AST Spacemobile jobs

Electronic Test technician - Testing area Barcelona, Spain AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a highly skilled and detail-oriented Electronic Test Technician to support the testing, validation, and troubleshooting of advanced electronic assemblies and systems. This role is critical to ensuring product performance, reliability, and quality throughout development and production phases. The ideal candidate will have strong hands-on technical experience, solid diagnostic skills, and the ability to operate effectively in a fast-paced engineering and manufacturing environment. Key Responsibilities: • Perform functional, validation, and acceptance testing of electronic assemblies and PCBAs. • Execute test procedures, record data, and document results in accordance with internal quality standards. • Troubleshoot and diagnose electrical and electronic failures down to the component level. • Support product development, verification testing, and production testing activities. • Operate and maintain electronic test equipment including oscilloscopes, spectrum analyzers, power supplies, signal generators, and data acquisition systems. • Assist engineers with test setup development, fixture assembly, and process improvements. • Interpret schematics, wiring diagrams, and technical documentation. • Ensure compliance with ESD, safety, and quality procedures. • Identify and escalate recurring test

Intellectual Property Counsel US - Remote AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a highly motivated and experienced Intellectual Property Counsel to join our in-house legal team. This individual will be a key advisor on all matters related to intellectual property, playing a critical role in developing, protecting, and enforcing our global IP portfolio. The ideal candidate will be a strategic thinker with a strong foundation in patent and trademark law, capable of providing practical legal advice that aligns with our business objectives. Key Responsibilities: - Develop and execute a global IP strategy that supports the company's innovation pipeline and commercial goals. - Manage the company's patent, trademark, copyright, and trade secret portfolios. - Work closely with R&D and engineering teams to identify patentable inventions. - Manage the preparation, filing, and prosecution of patent applications worldwide, both directly and through the supervision of outside counsel. - Conduct patentability, freedom-to-operate (FTO), and infringement/validity analyses. - Manage the company's global trademark portfolio, including clearance searches, filing, prosecution, and maintenance. - Advise marketing and business teams on proper trademark usage and brand protection strategies. - Oversee

Senior RF Testing and Integration Engineer Midland, Texas, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview The Senior RF Integration & Test Engineer will own the complete testing lifecycle for satellite TT&C and GNSS subsystems. This role operates across both the RF development laboratory and the spacecraft integration cleanroom, defining and executing RF test campaigns from early technology validation through flight hardware integration and environmental qualification. The engineer will validate satellite test procedures, develop and verify automated test software, and execute test campaigns that ensure spacecraft RF systems perform reliably from the factory floor to orbit. This position plays a critical role in ensuring ground system compatibility and supporting mission success through In-Orbit Testing (IOT) and satellite commissioning. Key Responsibilities - Define, author, and execute detailed RF test procedures supporting spacecraft development, integration, and production. - Validate satellite-level test procedures and automated scripts within the RF development lab prior to execution on flight hardware in the cleanroom. - Lead end-to-end “test as you fly” ground compatibility testing to ensure seamless RF communication between spacecraft radios and TT&C ground stations. - Support the development and validation

Director, IT & Infrastructure Lanham, Maryland, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Director of IT & Infrastructure to lead the technical foundation of our Defense subsidiary. This leader will be responsible for the stand-up and management of a CMMC Level 2 compliant network and will own the end-to-end IT infrastructure across our defense lab and gateway facilities. This role oversees the critical convergence of IT, cybersecurity, and facility security (FCL) to ensure mission-critical environments remain secure, resilient, and compliant DoD standards. Key Responsibilities - Infrastructure Ownership: Manage and scale IT infrastructure across corporate offices, defense laboratories, and satellite gateway locations. - CMMC & Compliance: Direct the implementation and certification of a CMMC Level 2 network environment. - Cyber & Space Security: Lead cybersecurity strategy in alignment with CNSSP-12 and NIST 800-171 standards for space systems. - FCL & Security Leadership: Serve as the technical lead for Facility Clearance (FCL) requirements, ensuring compliance with DCSA standards. - Cross-Functional Convergence: Align IT, security, and facility protocols to support complex defense programs and protect national security data. Qualifications Education: Bachelor's or master's

Back office Admin Planning & Production Barcelona, Spain AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Planning and Procurement Administrative Specialist to support the Production and Planning departments by ensuring the availability of materials required to meet the manufacturing plan. This role will be responsible for managing purchase requests, monitoring orders, controlling stock levels, and maintaining accurate material data within the ERP system. Key Responsibilities: • Generate and manage purchase requisitions based on production needs • Follow up on open orders with the Purchasing department and suppliers to ensure timely delivery • Monitor stock levels and coverage of critical materials • Review material requirements derived from the production plan • Maintain and update logistical and procurement parameters in the ERP system • Provide administrative support in the preparation and tracking of production orders • Review and maintain material data within Bills of Materials (BOM) • Verify item references, descriptions, units of measure, and other master data • Collaborate with Engineering, Purchasing, and Production to ensure data consistency in the ERP • Participate in continuous improvement initiatives related to material data quality • Prepare

Facilities Electrician Midland, Texas, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Summary We are seeking a qualified Electrician to support plant operations by installing, maintaining, and repairing electrical systems and equipment. This role is essential to ensuring the safe and efficient operation of production infrastructure. The Electrician will work closely with the maintenance and production teams to minimize downtime and uphold safety and compliance standards. Responsibilities - Install, troubleshoot, and repair electrical systems, including motors, control panels, lighting, and power distribution. - Perform preventive maintenance on electrical equipment to ensure reliability and compliance with safety standards. - Read and interpret blueprints, wiring diagrams, and technical manuals. - Diagnose electrical faults using appropriate testing equipment and resolve issues efficiently. - Support the installation and commissioning of new electrical systems and upgrades. - Maintain accurate records of inspections, repairs, and maintenance activities. - Ensure compliance with OSHA regulations and internal safety protocols. - Collaborate with production and facilities teams to support operational goals. - Respond to emergency calls and participate in on-call rotations as needed. Required Qualifications - High school diploma or equivalent. - Valid electrician license or

Business Development Manager - LATAM US - Remote AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Business Development Manager to lead our growth efforts in Latin America. This role is responsible for driving the commercial, strategic, and operational footprint in the region. The ideal candidate will identify opportunities, close deals, build partnerships, support key customers, and shape the company's market approach. This is a high-ownership, entrepreneurial role in a startup environment, requiring versatility across sales, strategy, and operations. Key Responsibilities - Identify and develop new business opportunities across Latin America - Build and maintain a strong pipeline of prospects, particularly with Mobile Network Operators (MNOs) - Develop and nurture relationships with key stakeholders at top MNOs - Represent the company at industry events, conferences, and regional forums - Act as a trusted advisor to customers, collaborating with Pre-Sales and Project teams - Drive sales cycles from lead generation through negotiation and closing - Prepare commercial proposals, manage contracts, and ensure delivery aligns with commitments - Meet and exceed regional growth targets - Provide insights on market trends, regulations, and competitive activity - Collaborate

Environmental Test Engineer-Night Shift Midland, Texas, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a capable and energetic Environmental Test Engineer to validate our satellite's ability to survive the harsh conditions of launch and Low Earth Orbit (LEO). In this role, you will be responsible for the end-to-end planning, coordination, and execution of critical test campaigns. You will work closely with systems, mechanical, and electrical engineering teams to ensure mission readiness. The ideal candidate thrives in a fast-paced, dynamic environment and demonstrates strong ownership over their work, making a direct impact on the success of our rapidly growing business. This position is assigned to Shift 2-Nights: Monday-Thursday, 6:00 p.m.-4:00 a.m. (4x10s) 10% pay premium. Depending on business needs, this role may also have opportunities on: - Shift 1- Days: Monday-Thursday, 7:30 a.m.-5:30 p.m. (4x10s). - Shift 3- Weekends: Friday-Sunday, 6:00 a.m.-6:00 p.m. (3x12s) 20% premium - Shift 4- Weekend Nights: Friday- Sunday 6:00 pm - 6:00 am (3x12s) 25% premium Key Responsibilities: - Perform Thermal Vacuum (TVAC), vibration, and shock testing on components, subsystems, and fully assembled satellites. - Coordinate logistics and

Mechanical Harness Engineer US - Remote AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a highly skilled and detail-oriented Mechanical Harness Engineer to join our dynamic team working on state-of-the-art Low Earth Orbit (LEO) satellite systems. In this role, you will design, develop, and integrate electrical harnesses that form the backbone of the satellite's electrical system, ensuring reliable and efficient power and data transfer for successful missions. Key Responsibilities - Design and develop electrical harnesses for LEO satellite systems, considering mission requirements, space constraints, thermal considerations, and EMC requirements. - Collaborate with system engineers, electrical designers, and mechanical engineers to define harness specifications and design constraints. - Create and manage detailed harness drawings, including cable/wire routing, connector selection, splicing, and termination plans using CAD tools. - Ensure compliance with industry standards (e.g., IPC-WHMA-A-620, ECSS-E-HB-10-10) and space agency requirements. - Conduct analyses and simulations to verify mechanical integrity, electrical performance, and environmental resistance. - Support fabrication, assembly, and testing of harnesses, providing guidance to ensure quality and adherence to specifications. - Perform in-house testing and validation, including continuity checks, insulation resistance, and signal integrity testing.

Field Tester Midland, Texas, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Contract Field Tester specializing in Service Acceptance for satellite broadband and direct-to-device (NTN) services across LEO/MEO constellation deployments. This role ensures that every feature, workflow, and service meets defined entry/exit criteria through rigorous field testing, evidence collection, and structured reporting. The contractor will work closely with Engineering, RF/NTN, Firmware, and Service Delivery teams to deliver complete acceptance validation packages The Contract Field Tester will execute structured drive tests and static performance validation across varied terrains and blockage conditions, validate NTN behaviors including timing/RTT, beam/satellite transitions, and mobility scenarios, while maintaining complete traceability from acceptance criteria to test evidence and final sign-off deliverables This contract role operates in demanding field environments supporting critical validation of satellite-cellular network performance for commercial service launch. Success requires deep technical expertise, meticulous attention to detail, and the ability to work independently while maintaining the highest standards for data quality, safety compliance, and professional deliverable quality in challenging field conditions Key Responsibilities Acceptance Planning & Criteria Management - Convert business/service requirements into testable acceptance criteria

Director – Gateway Products US - Remote AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Director of Gateway Products to lead the strategy, development, and lifecycle management of gateway solutions within a complex telecommunications environment. This role is responsible for transforming gateway systems into standardized, scalable, and globally deployable products with clearly defined configurations and performance expectations. The Director will ensure that gateway offerings are designed for repeatability, operational efficiency, and seamless integration into broader network architectures. Key Responsibilities: - Define and manage gateway product offerings, including standardized configurations and scalable product tiers - Develop and maintain a product roadmap aligned with operational scalability and service delivery objectives - Establish and oversee acceptance criteria, testing standards, and validation processes for gateway deployments - Build and implement automated testing and validation workflows to improve efficiency and consistency - Own and maintain standardized configurations to ensure compatibility across diverse deployment environments - Ensure gateway solutions align with overall network architecture and integration requirements - Define deployment procedures, upgrade paths, and lifecycle management processes - Enable operational teams with clear guidance for deployment, maintenance, and support

Mechanisms Flight Assurance Engineer Midland, Texas, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview: The Flight Assurance Engineer will independently execute mechanisms-specific flight assurance processes and practices to ensure product reliability, compliance, and quality throughout the lifecycle of flight mechanisms and mechanical assemblies. This role owns design, manufacturing, test, and integration related assurance activities to ensure the safety, functionality, and performance of flight hardware with limited supervision. Key Responsibilities - Own and execute flight assurance methods, plans, and processes across the full mechanisms development and production lifecycle - encompassing design, manufacturing, assembly, test, and integration - while supporting program schedule and cost objectives and meeting quality, safety, and regulatory requirements. - Conduct independent inspections at defined hold points across assembly, test, and integration for high-complexity mechanisms. Define, maintain, and enforce witness point classifications for all mechanisms through their full product lifecycle. - Review and approve assembly work instructions and test procedures before execution across functional and environmental test campaigns. Track qualification and verification of mechanisms through rigorous assurance processes including test readiness review, TVAC and life test witnessing, and test completion sign-off. - Execute mechanisms

Technical Assembly Lead, Shift 2 Midland, Texas, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Technical Assembly Lead to oversee a team responsible for assembling parts for satellite systems in a manufacturing facility. This hands-on role combines leadership, technical expertise, and production oversight to ensure high-quality assembly of electrical and mechanical components. The ideal candidate will have experience interpreting blueprints, using precision tools, and guiding team members to meet production goals. Key Responsibilities: - Lead and participate in the assembly of satellite system components. - Interpret and apply blueprints and technical drawings during assembly. - Assemble electrical and mechanical parts manually, following prescribed procedures. - Use measurement equipment such as scales, calipers, and multimeters. - Utilize small tools and jigs to manipulate parts for precise assembly. - Clean and package assembled parts in protective materials. - Assign daily tasks and goals to team members and monitor progress. - Coach and motivate team members to meet production and quality standards. - Coordinate with other departments to resolve issues and ensure workflow continuity. - Assist in training newly assigned personnel. - Function as

RAN Deployment Engineer Miami, Florida, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview The RAN Deployment Engineer is responsible for executing all deployment, installation, and integration activities required to enable stable satellite‑to‑mobile connectivity across India and within global delivery programs. This role supports gateway and cell‑site builds, performs beam surveys, validates field installations, uploads configurations, and conducts probe‑based integration checks to ensure RAN readiness for satellite network activation. The position works closely with regional engineering teams, the NOC, vendors, and global deployment groups to resolve technical blockers, uphold high integration quality, and support seamless service enablement. Operating at the intersection of field engineering and advanced satellite‑RAN deployment, this role demands precision during installation, disciplined validation practices, and continuous coordination with cross‑functional teams. The RAN Deployment Engineer must balance technical accuracy, operational urgency, and regulatory variations across India to ensure smooth and consistent readiness for global satellite network activation. Key Responsibilities Field Deployment & Installation Activities - Deliver RAN deployment activities including cell‑site builds, managing end-to-end field installation processes for satellite-RAN infrastructure - Execute installation checks and commissioning procedures to validate proper equipment mounting, cabling, power

Shift Supervisor – Rigging & Lifting Midland, Texas, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview The Shift Supervisor - Rigging & Lifting, is responsible for directing all rigging and lifting activities during their assigned shift. Serving as the designated Lift Director, this role leads a five-person rigging team and ensures safe, compliant, and precise execution of lifts involving sensitive or high-value equipment. The supervisor coordinates with production, maintenance, engineering, and quality teams to ensure efficient workflow and adherence to established standards across all lifting operations. Key Responsibilities Rigging & Lifting Oversight: - Serve as the Lift Director for the assigned shift. - Supervise all rigging and lifting operations involving sensitive or high-value equipment. - Review and validate lift plans, load paths, and equipment setups before each lift. - Ensure compliance with OSHA, ASME, and internal safety procedures. Team Leadership: - Lead, mentor, and support a five-person rigging team. - Assign daily tasks, allocate manpower, and ensure operational readiness. - Conduct team meetings, pre-lift briefings, and shift safety discussions. - Provide performance feedback and support employee skill development. Safety & Compliance: - Enforce proper rigging

Lead Structures Mechanic Midland, Texas, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. The Structures Mechanic plays a critical role in the fabrication, assembly, and integration of spacecraft structural components used in our large-scale Low Earth Orbit (LEO) satellites. This position is responsible for assembling, installing, and modifying structural hardware including aluminum, titanium, and composite components that form the primary and secondary structures of spacecraft systems. The ideal candidate is highly detail-oriented, comfortable working from engineering drawings, and experienced with precision assembly in aerospace, aviation, or similarly demanding manufacturing environments. Key Responsibilities - Assemble spacecraft structural components, subassemblies, and mechanical systems according to engineering drawings, work instructions, and specifications - Install fasteners including rivets, bolts, nut plates, and specialty aerospace hardware using proper torque and installation procedures - Perform drilling, reaming, countersinking, deburring, and precision fitting of structural components - Assemble and bond composite and metallic structures used in satellite frames, panels, and deployable systems - Perform precision alignment and fit-up of structural assemblies to meet engineering tolerances - Work with manufacturing engineers to resolve build issues and improve assembly processes - Maintain strict compliance with quality

Global Tax Manager Miami, Florida, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a highly motivated and experienced Global Tax Manager to oversee global tax compliance, tax planning, and accounting for income taxes for a growing, multinational organization. This role is responsible for managing complex domestic and international tax matters, ensuring compliance with regulatory requirements, and supporting strategic business initiatives. The ideal candidate is a strategic thinker with a hands‑on approach and deep expertise in international taxation, tax provisions, and internal controls. Key Responsibilities - Manage and oversee the timely and accurate preparation and filing of federal, state, and international tax returns in multiple jurisdictions. - Coordinate with external tax advisors to ensure compliance with applicable tax laws and regulations. - Lead the quarterly and annual global income tax provision process in accordance with ASC 740, including calculating effective tax rates, managing deferred taxes, and preparing financial statement disclosures. - Ensure compliance with Sarbanes‑Oxley (SOX) requirements for all tax‑related processes, including maintaining control documentation and coordinating with internal and external auditors. - Provide subject‑matter expertise on international tax matters, including transfer pricing,

Launch Operations Mechanical Engineer Lead Cape Canaveral, Florida, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Launch Operations Mechanical Engineer Lead who will own and drive all mechanical integration activities at the launch site. This role provides technical authority and execution leadership throughout the launch campaign, ensuring mechanical readiness, risk mitigation, and flawless execution for flight hardware and Mechanical Ground Support Equipment (MGSE). The Lead serves as the primary on-site mechanical authority, bridging design, manufacturing, and launch operations while mentoring engineers and coordinating across internal and external partners to ensure mission success. Key Responsibilities - Lead and own mechanical integration efforts at the launch site, ensuring satellites and launch adapters are flight-ready and fully certified for launch. - Define and execute the mechanical integration strategy, sequencing, and risk mitigation throughout launch campaigns. - Lead the design, qualification, and deployment of Mechanical Ground Support Equipment (MGSE). - Serve as the primary technical authority for mechanical issues during integration, testing, and launch operations. - Coordinate mechanical activities with systems engineering, integration teams, test operations, launch vehicle providers, and range operations. - Review and

Senior RF – GNSS & TT&C Satellite Engineer Lanham, Maryland, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Senior RF & GNSS Satellite Engineer to lead the design, analysis, and integration of our spacecraft's GNSS and TT&C RF subsystems. You will own the GNSS architecture and work closely on the TT&C subsystems. This role requires strong RF systems experience to develop link budgets, analyze dynamic systems, integrate hats and test setups, and manage design projects with external antenna vendors. Key Responsibilities: - Leads the technical definition, system design, and documentation for satellite's CSat GNSS subsystem. - Collaborates on the design and testing of the TT&C subsystem. - Leads the architecture and system design for all owned TT&C ground stations. - Drives R&D for new TT&C solutions and frequency bands, owns the TT&C link budgets, and contributes to the link budget tool development. - Provide support to system-level Compatibility and EMI/EMC testing campaigns. - Subsystem Ownership & Collaboration: Lead the architecture, specification, and hardware validation of the spacecraft GNSS subsystem, while acting as a core contributor to the design and performance of

Electronic Testing Technician, Shift 2 Barcelona, Spain AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a highly skilled and detail-oriented Electronic Test Technician to support the testing, validation, and troubleshooting of advanced electronic assemblies and systems. This role is critical to ensuring product performance, reliability, and quality throughout development and production phases. The ideal candidate will have strong hands-on technical experience, solid diagnostic skills, and the ability to operate effectively in a fast-paced engineering and manufacturing environment. Key Responsibilities: • Perform functional, validation, and acceptance testing of electronic assemblies and PCBAs. • Execute test procedures, record data, and document results in accordance with internal quality standards. • Troubleshoot and diagnose electrical and electronic failures down to the component level. • Support product development, verification testing, and production testing activities. • Operate and maintain electronic test equipment including oscilloscopes, spectrum analyzers, power supplies, signal generators, and data acquisition systems. • Assist engineers with test setup development, fixture assembly, and process improvements. • Interpret schematics, wiring diagrams, and technical documentation. • Ensure compliance with ESD, safety, and quality procedures. • Identify and escalate recurring test failures

Strategic Sourcing – Project Manager Spain Barcelona, Spain AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking an experienced and highly skilled Strategic Sourcing Project Manager. The Strategic Sourcing Project Manager is responsible for driving global sourcing strategies, identifying and qualifying strategic suppliers across Europe, Asia, and the Americas, while ensuring excellence in cost, lead time, quality, and innovation within aerospace structures materials (metallic, CFRP, plastics). The ideal candidate will be a strategic thinker with strong business acumen, capable of managing cost comparisons, developing business cases, planning procurement activities, and analyzing data-driven decisions. This role requires exceptional negotiation and stakeholder management skills, fluency in English and Spanish, and a minimum of 5 years of experience in similar roles within the aerospace sector. Key Responsibilities: • Identify, qualify, and develop new strategic suppliers globally, with a focus on aerospace components made from advanced materials and metals • Lead supplier expansion and qualification efforts across Europe, Asia, and the Americas • Define and execute strategic sourcing strategies aligned with business objectives • Build and present detailed business cases to support sourcing decisions, vendor changes, and cost-saving initiatives

Quality Engineer – Thruster and Electric Propulsion Production Line Homestead, Florida, United States AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Job Summary: The Quality Engineer will be responsible for ensuring that thrusters and electric propulsion systems meet stringent quality standards throughout the production process. This role involves developing, implementing, and maintaining quality control procedures, conducting root cause analysis for defects, and driving continuous improvement initiatives to ensure product reliability and compliance with aerospace industry standards. Key Responsibilities: - Develop, implement, and maintain quality assurance and quality control processes for thruster and electric propulsion production lines. - Perform inspections and audits of incoming materials, in-process components, and finished thrusters to verify compliance with design specifications and quality standards. - Collaborate closely with manufacturing, engineering, and supply chain teams to identify and resolve quality issues promptly. - Analyze production data and quality metrics to identify trends and areas for process improvement. - Lead root cause analysis and corrective/preventive actions (CAPA) for quality non-conformances. - Ensure compliance with relevant aerospace standards and customer requirements (e.g., AS9100, ISO 9001). - Develop and maintain quality documentation including inspection plans, test procedures, and control

HW Electronic Engineer Barcelona, Spain AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking an Electronic Hardware Engineer to design, develop, validate and document onboard electronic systems for satellites, ensuring their reliability, performance and compliance with aerospace industry standards. Key Responsibilities: • Design schematics and PCBs for satellite electronic systems (power subsystems, communications, control, etc.) • Perform simulations, signal analysis, electrical and thermal integrity • Participate in component selection in accordance with space standards (ECSS, MIL-STD, etc.) • Collaborate in HW-SW system integration with other departments (software, systems, integration and testing) • Prepare technical documentation in compliance with aerospace standards • Support environmental test campaigns (EMC, vibration, thermal-vacuum, etc.) • Collaborate with suppliers for the manufacturing and assembly of electronic boards • Participate in design reviews (PDR, CDR) with clients or agencies (ESA, NASA, etc.) Qualifications Education : University degree in Electronic Engineering, Telecommunications Engineering, Aerospace Engineering or similar Experience : A minimum of 8 years in electronic hardware design, preferably in high-reliability environments (aerospace, defense, automotive) Experience in multilayer PCB design, high-speed design, and environments with thermal or electromagnetic constraints Preferred Qualifications : •

Senior Ground Software Engineer (Cyber) US - Remote AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Senior Ground Software Engineer with deep full‑stack development experience to help design, build, and maintain software and infrastructure that supports mission‑critical ground systems and operations. This role plays a key part in developing reliable, scalable systems used for monitoring, communication, and control of space‑based assets. The ideal candidate is a strong individual contributor and technical leader who thrives in complex, highly regulated environments, takes ownership of system design decisions, and proactively drives improvements through automation and best practices. This is a hybrid, U.S.-based role with occasional travel. Key Responsibilities - Design, develop, and maintain full‑stack software applications supporting ground and mission operations - Architect and support networked systems used for secure communication between distributed systems - Debug, troubleshoot, and resolve issues across application, infrastructure, and networking layers - Collaborate with cross‑functional engineering teams to identify gaps and improve operational workflows through automation - Contribute to system architecture decisions and lead development efforts for new tools and platforms - Serve as a technical leader within the ground software