Apex Space jobs

Software Engineering Internship, Embedded Systems (Summer 2026) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role We are seeking talented software engineers to work closely with the broader engineering team for an exciting internship opportunity on our. This person is passionate about engineering, ready to take ownership over complex challenges, and a strong desire to learn about all things satellites. You will have an opportunity to approach this from a fresh perspective targeting an end result indexed on reliability and efficiency. This will require innovation and creativity to ultimately disrupt and make an impact on the industry. During the internship program at Apex, you'll gain hands-on experience and professional growth opportunities. You'll be assigned a summer project to give

Power Electronics Engineer (Mid) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a spacecraft Electrical Engineer to work on a closely integrated team who will drive the design of the avionics, flight computer and power systems to meet the requirements of our bus. You will have an opportunity to approach this from a clean sheet design and inform coupled trades across the vehicle architecture. You will be innovative in your approach to push the limits of design and performance, while disrupting and making an impact on the industry. Responsibilities: - Provide engineering expertise in design, analysis, and testing of DC-DC power converters for harsh environments. - Work on electrical power system and sub-system level design

Spacecraft Mechanical Engineer (Early) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a skilled Mechanical Design Engineer to join our satellite engineering team. In this role, you will be responsible for developing mechanical designs and models for satellite structures, subsystems, and components. You will conduct structural analyses to ensure performance and reliability, while optimizing designs for weight, material selection, and manufacturability. Requirements: - Develop mechanical designs and models for satellite structures, subsystems, and components. - Conduct structural analyses to ensure compliance with performance and reliability requirements. - Optimize designs for weight reduction, material selection, and manufacturability. - Evaluate and select appropriate materials and processes for satellite mechanical systems. - Collaborate with cross-functional teams to integrate

RF Test Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex Space is seeking an RF Test Engineer to own system-level verification and performance testing of spacecraft communications hardware, with a primary focus on S-band TT&C and X-band payload systems. This role sits at the intersection of RF design, spacecraft integration, and hardware test, supporting development from early bring-up through spacecraft-level validation and environmental test campaigns. You'll work closely with RF, avionics, software, AIT, and systems engineering teams to develop scalable RF test infrastructure, execute integrated verification campaigns, debug complex hardware issues, and help ensure our communications systems perform reliably in flight-like environments. This is a highly hands-on role focused on building, operating, and improving RF test

Spacecraft Avionics Engineer (Early) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for an Avionics Engineer to design and develop avionics systems and electrical components for satellite platforms. In this role, you'll collaborate with cross-functional teams, develop electrical architectures, and ensure seamless integration of subsystems while maintaining the highest standards of performance. Responsibilities: - Design and Development: Design and develop avionics systems and electrical components for satellite systems, considering mission requirements, technical specifications, and industry standards. - System Integration: Collaborate with cross-functional teams, including mechanical engineers, systems engineers, and software engineers, to ensure seamless integration of avionics subsystems into the satellite platform. - Electrical Architecture: Develop and implement electrical system architectures and schematics, including power

Simulation Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role As a Simulation Engineer, you will be responsible for developing closed-loop spacecraft test platforms - such as six degrees of freedom simulation platform (6DOF), software-in-the-loop (SITL) and hardware-in-the-loop (HITL) - and executing simulation testing strategies to validate and verify the performance, functionality, and reliability of satellite systems. Your expertise and attention to detail will play a critical role in ensuring the successful deployment and operation of Apex's satellite buses. In this role, you will collaborate with multidisciplinary teams of engineers and technicians to design, implement, and integrate realistic test environments using simulation and emulation tools. We are looking for motivated engineers who are eager to solve complex problems

Avionics Hardware Development Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for an Avionics Hardware Development Engineer to ensure our avionics systems are buildable, testable, and repeatable at scale. This role sits at the intersection of design, production, test, and supply chain, acting as the continuity layer between development and execution. You'll own how avionics hardware performs in the real world, driving rapid issue resolution, improving yield, and closing the loop between design and production. Responsibilities: - Own first line response to build, test, and integration issues across avionics hardware - Perform root cause analysis and drive corrective actions across design, process, and supply chain - Partner with manufacturing (internal and CMs) to resolve

Electric Propulsion Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking an Electric Propulsion Engineer to join our closely integrated team, driving the development of our propulsion systems to meet the requirements of our spacecraft bus. You will have the opportunity to approach this from a clean-sheet design, guiding propulsion system architecture, integration, and testing to ensure optimal performance. Responsibilities: - Design electric propulsion system architecture, develop product specifications, and maintain Technical Performance Metrics (TPMs) including power and mass budgets. - Define placement and integration of an electric propulsion system architecture - Documenting and maintaining detailed work instructions, process flow diagrams, assembly, integration, and test (AI&T) procedures for manufacturing operations. - Establish engine degradation model,

Spacecraft Quality Inspector (2nd Shift) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for an experienced and motivated Spacecraft Quality Inspector to oversee daily manufacturing operations. The ideal candidate will provide the production team with the ability to meet quality and safety standards while driving continuous improvement initiatives. This role requires strong leadership, organizational skills, and a commitment to fostering a collaborative and high-performing work environment. Responsibilities: • Conduct inspections and tests on in-process products and finished goods using appropriate tools and equipment. • Read and interpret blueprints, technical drawings, and specifications to verify product compliance. • Document and report quality issues, non-conformances, and inspection results accurately. • Perform root cause analyses and collaborate with

Spacecraft Design Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role As a Spacecraft Design Engineer, you will be a foundational team member responsible for defining the future of Apex's satellite platforms. You will operate at the design and development phase of the product lifecycle, shaping system architectures that balance performance, reliability, manufacturability, and cost for mass-manufactured satellite buses that enable access to Earth orbit and beyond. You will act as a platform-level integrator and architect-translating mission needs into clear system requirements, interfaces, and design trades that downstream teams can execute with confidence. Responsibilities System Architecture & Design - Define and evolve end-to-end satellite system architectures across multiple mission profiles - Perform system-level trade studies to optimize performance,

Spacecraft Mechanical Engineer (Mid) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a skilled Mechanical Design Engineer to join our satellite engineering team. In this role, you will be responsible for developing mechanical designs and models for satellite structures, subsystems, and components. You will conduct structural analyses to ensure performance and reliability, while optimizing designs for weight, material selection, and manufacturability. Responsibilities: - Develop mechanical designs and models for satellite structures, subsystems, and components. - Conduct structural analyses to ensure compliance with performance and reliability requirements. - Optimize designs for weight reduction, material selection, and manufacturability. - Evaluate and select appropriate materials and processes for satellite mechanical systems. - Collaborate with cross-functional teams to integrate

Spacecraft Dynamics Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for a Spacecraft Dynamics Engineer to own dynamic analysis and vehicle response across our spacecraft. This role is responsible for predicting and validating how our hardware behaves across all phases of flight, from ground and launch environments through on-orbit operations. You'll work across structures, test, and systems teams to ensure our vehicles are robust to vibration, shock, acoustics, and coupled loads. Responsibilities: - Own dynamic and loads analysis across components, subsystems, and full spacecraft - Expertise in CLA, load derivation and structural verification - Develop load cases and environmental requirements (quasi-static, random vibration, shock, acoustics) - Predict vehicle response across launch, deployment, and on-orbit

Spacecraft Quality Inspector Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for an experienced and motivated Spacecraft Quality Inspector to oversee daily manufacturing operations. The ideal candidate will provide the production team with the ability to meet quality and safety standards while driving continuous improvement initiatives. This role requires strong leadership, organizational skills, and a commitment to fostering a collaborative and high-performing work environment. Responsibilities: • Conduct inspections and tests on in-process products and finished goods using appropriate tools and equipment. • Read and interpret blueprints, technical drawings, and specifications to verify product compliance. • Document and report quality issues, non-conformances, and inspection results accurately. • Perform root cause analyses and collaborate with cross-functional teams

Senior Spacecraft Avionics Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for an experienced Avionics Enginee r to design and develop avionics systems and electrical components for satellite platforms. In this role, you'll collaborate with cross-functional teams, develop electrical architectures, and ensure seamless integration of subsystems while maintaining the highest standards of performance. Responsibilities: - Design and Development: Design and develop avionics systems and electrical components for satellite systems, considering mission requirements, technical specifications, and industry standards. - System Integration: Collaborate with cross-functional teams, including mechanical engineers, systems engineers, and software engineers, to ensure seamless integration of avionics subsystems into the satellite platform. - Electrical Architecture: Develop and implement electrical system architectures and schematics,

Senior Spacecraft Mechanical Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a skilled Mechanical Design Engineer to join our satellite engineering team. In this role, you will be responsible for developing mechanical designs and models for satellite structures, subsystems, and components. You will conduct structural analyses to ensure performance and reliability, while optimizing designs for weight, material selection, and manufacturability. Responsibilities: - Develop mechanical designs and models for satellite structures, subsystems, and components. - Conduct structural analyses to ensure compliance with performance and reliability requirements. - Optimize designs for weight reduction, material selection, and manufacturability. - Evaluate and select appropriate materials and processes for satellite mechanical systems. - Collaborate with cross-functional teams to integrate

Senior Electric Propulsion Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a Senior Electric Propulsion Engineer to join our closely integrated team, driving the development of our propulsion systems to meet the requirements of our spacecraft bus. You will have the opportunity to approach this from a clean-sheet design, guiding propulsion system architecture, integration, and testing to ensure optimal performance. Responsibilities: - Design electric propulsion system architecture, develop product specifications, and maintain Technical Performance Metrics (TPMs) including power and mass budgets. - Define placement and integration of an electric propulsion system architecture - Documenting and maintaining detailed work instructions, process flow diagrams, assembly, integration, and test (AI&T) procedures for manufacturing operations. - Establish engine

Mechanical Engineer (Propulsion/Fluids) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a Propulsion Mechanical Engineer to own mechanical designs for our spacecraft propulsion systems. You will drive the design, analysis, and qualification of propulsion hardware that must perform reliably through launch environments and long-duration on-orbit operations. This role spans mechanical design, fluid system development, thermal interfaces, and flight hardware qualification, with end-to-end ownership from early concept through flight readiness and operational performance. You will work closely with propulsion, thermal, avionics, and systems engineering teams to deliver robust, repeatable propulsion hardware designed for production spacecraft. Responsibilities: - Own the mechanical design of propulsion system hardware and its integration into propulsion modules, including thrusters, PPUs, manifolds, flow

Electric Propulsion Engineer (Early) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking an Electric Propulsion Engineer (Early) to join our closely integrated team, driving the development of our propulsion systems to meet the requirements of our spacecraft bus. You will have the opportunity to approach this from a clean-sheet design, guiding propulsion system architecture, integration, and testing to ensure optimal performance. Responsibilities: - Design electric propulsion system architecture, develop product specifications, and maintain Technical Performance Metrics (TPMs) including power and mass budgets. - Define placement and integration of an electric propulsion system architecture - Documenting and maintaining detailed work instructions, process flow diagrams, assembly, integration, and test (AI&T) procedures for manufacturing operations. - Establish engine

Spacecraft Structural Analyst Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for a Spacecraft Structural Analyst to own structural modeling, analysis, and validation of spacecraft hardware from early design through flight readiness. This role sits at the center of hardware development, driving structural performance across components, subsystems, and full vehicles. You'll work closely with design, dynamics, and test teams to ensure hardware meets launch and on-orbit requirements while enabling rapid iteration. Responsibilities: - Own structural analysis across components, assemblies, and full spacecraft from initial sizing through test and validation - Develop high-fidelity finite element models and perform analyses (FEA and hand calculations) to evaluate strength, stiffness, stability, and fatigue - Define structural load cases and

Senior Mechanical Engineer (Propulsion) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a Propulsion Mechanical Engineer to own mechanical designs for our spacecraft propulsion systems. You will drive the design, analysis, and qualification of propulsion hardware that must perform reliably through launch environments and long-duration on-orbit operations. This role spans mechanical design, fluid system development, thermal interfaces, and flight hardware qualification, with end-to-end ownership from early concept through flight readiness and operational performance. You will work closely with propulsion, thermal, avionics, and systems engineering teams to deliver robust, repeatable propulsion hardware designed for production spacecraft. Responsibilities: - Own the mechanical design of propulsion system hardware and its integration into propulsion modules, including thrusters, PPUs, manifolds,

Staff NPI Manufacturing Engineer - Comet Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a skilled and experienced Staff NPI Manufacturing Engineer to help define and scale the manufacturing strategy for Comet, a next generation spacecraft platform with substantially different production requirements than prior programs. In this role, you will drive the development of scalable manufacturing systems, production methodologies, factory infrastructure, and new product introduction processes required to transition from low rate development builds into high-rate production. You'll work cross functionally with design engineering, production, supply chain, and leadership teams to ensure Comet is manufacturable, scalable, and operationally efficient from early architecture through production ramp. Responsibilities: - Drive manufacturing strategy and NPI execution for Comet

Spacecraft Build Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for a Spacecraft Build Engineer to develop and scale the manufacturing processes, tooling, and production systems that enable high-rate spacecraft builds. This role sits at the intersection of design and production, with ownership over how hardware is built, integrated, and transitioned into production. You'll work across propulsion, avionics, and structural systems to drive manufacturability, yield, and rate. Responsibilities: - Own the development and qualification of manufacturing processes for spacecraft components and assemblies - Design and implement precision tooling and fixtures to improve quality, repeatability, and cycle time - Drive high-rate production by optimizing processes, reducing takt time, and increasing throughput - Develop and automate

Spacecraft Avionics Engineer (Mid) Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is looking for an Avionics Engineer to design and develop avionics systems and electrical components for satellite platforms. In this role, you'll collaborate with cross-functional teams, develop electrical architectures, and ensure seamless integration of subsystems while maintaining the highest standards of performance. Responsibilities: - Design and Development: Design and develop avionics systems and electrical components for satellite systems, considering mission requirements, technical specifications, and industry standards. - System Integration: Collaborate with cross-functional teams, including mechanical engineers, systems engineers, and software engineers, to ensure seamless integration of avionics subsystems into the satellite platform. - Electrical Architecture: Develop and implement electrical system architectures and schematics, including power

Senior Simulation Engineer Los Angeles Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role As a Simulation Engineer, you will be responsible for developing closed-loop spacecraft test platforms - such as six degrees of freedom simulation platform (6DOF), software-in-the-loop (SITL) and hardware-in-the-loop (HITL) - and executing simulation testing strategies to validate and verify the performance, functionality, and reliability of satellite systems. Your expertise and attention to detail will play a critical role in ensuring the successful deployment and operation of Apex's satellite buses. In this role, you will collaborate with multidisciplinary teams of engineers and technicians to design, implement, and integrate realistic test environments using simulation and emulation tools. We are looking for motivated engineers who are eager to solve complex