Quantum Si Inc jobs

Experienced Manager, Accounting Quantum Malaysia Selangor The Experienced Manager, Accounting is responsible for leading the US Consolidated Corporate accounting function, ensuring accurate financial reporting, statutory compliance, and strong internal controls. This role oversees the month-end close process, manages a global team, partners with auditors, and drives process improvements, including ERP optimization with Microsoft Dynamics 365.

Engineer – HW Tech Support Belgium (WD); UK Field As part of Quantum Global Call Centre team members and, primarily supporting our French customers based, incumbent will interface with Quantum tape library customers ranging from small businesses up to multi-national corporations in the Fortune 100 providing technical support to the customer's service needs. The technical support engineer will resolve highly complex issues on a variety of technical issues, act as a liaison between customers and engineering and provide input to engineering on serviceability of Quantum products.

Senior Software Engineer - Hyperconverged Infrastructure Data Path Quantum India We are seeking a high-caliber Senior HCI Software Engineer to join our Hyperconverged Infrastructure Team. In this role, you will be responsible for the core software stack that unifies compute, storage, and networking into a single, seamlessly managed platform: the HCI Software Stack. You will design, implement, and optimize the software layers that converge compute, storage, and networking resources into a unified, policy-driven infrastructure platform. This is a full-stack infrastructure role requiring a passion for systems software, distributed resource management, and building platforms that make complex infrastructure simple to operate at scale.

Director of Engineering Platforms US WA - Field The Director of Platforms at Quantum Corporation will lead the vision, strategy, and execution of our HW Platforms portfolio and implement formal practices for Compatibility, Performance, and Security. This role is pivotal in shaping and delivering Quantum's HW Platforms roadmaps to meet evolving market demands and customer needs, ensuring alignment with corporate objectives and long-term growth strategies.

NPI Commodity Manager Quantum Malaysia Selangor Quantum Corporation is seeking an NPI Commodity Manager to lead sourcing strategy and supplier readiness for new product introductions and early production ramps of complex hardware systems. This role is responsible for end to end commodity ownership during NPI, including supplier selection, technical engagement, cost modeling, tooling strategy, and transition to volume production. This is not a transactional buyer role. The successful candidate will operate as a cross functional leader, partnering closely with Engineering, Operations, Quality, and Contract Manufacturers to ensure robust, scalable, and cost effective supply chains from concept through ramp.

UI QA Engineer Centennial, CO Quantum is seeking a QA Engineer focused on UI for Storage Management. You will be responsible for ensuring the quality, usability, and reliability of user interfaces that manage complex storage systems. You will work closely with frontend and backend engineers, UX designers, product managers, and system architects to validate that management workflows are intuitive, accurate, responsive, and robust under real-world operational conditions.

Infrastructure Engineer (Systems and DevOps) Centennial, CO Quantum is seeking a skilled Infrastructure Engineer with strong Systems Administration expertise and practical exposure to DevOps practices to support the global Engineering organization. This role is systems-first, focused on cloud and on-premises infrastructure, virtualization, operating systems, networking, and domain administration. As the role matures, there will be opportunities to learn and take on more DevOps-centric responsibilities, partnering closely with Engineering teams and evolving platform capabilities over time.

Product Manager - ActiveScale Centennial, CO Quantum is seeking an experienced Product Manager to lead product strategy, roadmap development, and end-to-end lifecycle management for the ActiveScale object storage platform. ActiveScale is Quantum's large-scale, high-durability object storage solution designed for data lakes, AI/ML pipelines, HPC, media archives, and long-term unstructured data preservation. As Product Manager, you will define the vision, translate customer needs into requirements, work closely with Engineering on execution, and ensure the product's success in highly demanding enterprise and cloud-integrated environments.

Support Engineer (L3) - Tape & Archive Centennial, CO Quantum is seeking an experienced Level 3 (L3) Support Engineer to support enterprise tape and archive storage environments. In this role, you will serve as the technical escalation point for complex customer issues, working closely with Support and Engineering to ensure the stability, reliability, and performance of archive and long-term data storage solutions. This position requires strong experience in storage hardware, Linux environments, and advanced troubleshooting.

Shipping & Receiving / Inventory Control Associate Centennial, CO Quantum Corporation is seeking a reliable and detail‑oriented Shipping & Receiving / Inventory Control Associate to support daily warehouse and logistics operations. This role is responsible for handling inbound and outbound shipments-primarily using FedEx-maintaining accurate inventory records, and supporting material transactions and cycle counting activities. The ideal candidate is organized, comfortable with physical work, and proficient with basic office and ERP systems.

Support Engineer (L3) - ActiveScale Centennial, CO Quantum is seeking a highly skilled Level 3 (L3) Support Engineer to join our ActiveScale object storage engineering team. In this role, you will serve as the technical escalation point for complex customer issues, working closely with Support, Engineering, QA, and Product Management to ensure the stability, reliability, and performance of the ActiveScale product line. This position requires deep expertise in distributed storage systems, cloud/object storage architectures, Linux environments, and strong diagnostic ability.

Senior Mechanical Engineer - Tape Automation Systems Centennial, CO Quantum is seeking a Senior Mechanical Engineer to play a key role in the design, validation, and sustaining of our robotic tape library automation systems. This position is ideal for an experienced mechanical engineer who brings deep expertise in material selection, part qualification, and mechanical validation, along with prior experience developing tape automation libraries or similar high-reliability electromechanical systems.

PreSales Systems Engineer Canada Field The Solutions Architect participates in pre-sales activities such as technical presentations, assessment of technical and business requirements and detailed system design; participates in managing and developing customer and partner relationships for long-term success and is responsible for matching Quantum products to the problem being solved by articulating their capabilities and interoperability with 3rd-party products. The role requires considerable experience in Media and Entertainment (Post, VFX, Broadcast, etc) in order to provide technical support for the development and implementation of complex solutions to prospective and existing customers.

Support Engineer (L3) - File Storage Centennial, CO Quantum is seeking a highly skilled Level 3 (L3) Support Engineer to support the StorNext and Xcellis file storage platforms. In this role, you will serve as the technical escalation point for complex customer issues, working closely with Support, Engineering, QA, and Product Management to ensure the stability, reliability, and performance of our file storage solutions. This position requires strong experience in enterprise file systems, Linux environments, storage architectures, and advanced troubleshooting.

Principle Systems and Performance QA Engineer Mendota Heights, MN; Centennial, CO As a Senior or Principle Systems and Performance Engineer, you will play a key role in designing, analyzing, and optimizing the performance, scalability, and reliability of Quantum's primary storage and data management platforms. You will work across hardware, software, and infrastructure layers to ensure our systems meet demanding performance, availability, and scalability requirements. This role blends deep technical expertise with cross-functional collaboration. You will drive performance characterization efforts, build and evolve benchmarking and analysis tools, and influence system architecture to deliver predictable, high-performance solutions for complex, distributed storage environments.

Director of Next Gen Product US CA Bay Area - Field The Director of Product Management at Quantum Corporation will lead the vision, strategy, and execution of our product portfolio, driving innovation in data storage, protection, and management solutions. This role is pivotal in shaping and delivering Quantum's product portfolio roadmaps to meet evolving market demands and customer needs, ensuring alignment with corporate objectives and long-term growth strategies.

Quantum Engineer (Physicist) New Haven, CT Quantum Circuits, Inc. (QCI) is developing a full-stack quantum computing platform using superconducting devices and a modular, robust, and scalable architecture. QCI's mission is to build the first truly useful quantum computers. Our novel approach to building quantum computers is based on technology developed over a decade of research at Yale University's world-class quantum labs. Our machines have built-in error correction, unique software features that enable lightning-fast algorithm execution, and multiple modes of operation to solve more algorithms than ever, all in one quantum computer. So, why join QCI? You'll be working with the latest technology at our state-of-the-art facilities, where your curiosity, ingenuity, and initiative will thrive - you'll learn a ton by working with us and have a lot of fun doing it. We have a deep, fast-paced team that's passionate about building the best quantum computers in the world. Join us if you want to be at the forefront of the quantum revolution. Quantum Circuits, Inc. (QCI) is developing a full-stack quantum computing platform using superconducting devices and a modular, robust, and scalable architecture. QCI's mission is to build the first truly useful quantum computers. Our novel approach to building quantum computers is based on technology developed over a decade of research at Yale University's world-class quantum labs. Our machines have built-in error correction, unique software features that enable lightning-fast algorithm execution, and multiple modes of operation to solve more algorithms than ever, all in one quantum computer. So, why join

Associate Quantum Engineer New Haven, CT Quantum Circuits, Inc. (QCI) is developing a full-stack quantum computing platform using superconducting devices and a modular, robust, and scalable architecture. QCI's mission is to build the first truly useful quantum computers. Our novel approach to building quantum computers is based on technology developed over a decade of research at Yale University's world-class quantum labs. Our machines have built-in error correction, unique software features that enable lightning-fast algorithm execution, and multiple modes of operation to solve more algorithms than ever, all in one quantum computer. So, why join QCI? You'll be working with the latest technology at our state-of-the-art facilities, where your curiosity, ingenuity, and initiative will thrive - you'll learn a ton by working with us and have a lot of fun doing it. We have a deep, fast-paced team that's passionate about building the best quantum computers in the world. Join us if you want to be at the forefront of the quantum revolution. Quantum Circuits, Inc. (QCI) is developing a full-stack quantum computing platform using superconducting devices and a modular, robust, and scalable architecture. QCI's mission is to build the first truly useful quantum computers. Our novel approach to building quantum computers is based on technology developed over a decade of research at Yale University's world-class quantum labs. Our machines have built-in error correction, unique software features that enable lightning-fast algorithm execution, and multiple modes of operation to solve more algorithms than ever, all in one quantum computer. So, why join

Director, Quantum Finance Engineering Remote, US About IonQ: IonQ, Inc . [NYSE: IONQ] is the world's leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance . Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. IonQ is seeking a Director, Engineering of Quantum Computing for Financial Applications and Algorithms to lead the design, development, and implementation of quantum solutions that address high-value use cases in the financial sector. The ideal candidate will bridge deep domain expertise in financial mathematics, quantitative modeling, and optimization with quantum algorithm design and near-term hardware capabilities. This role is highly strategic and interdisciplinary. You will collaborate with IonQ's hardware, software, and research teams to identify problems where quantum advantage is emerging, engage with global financial institutions

Senior Quantum Sales Executive - Germany München, Bavaria, Germany About IonQ: IonQ, Inc . [NYSE: IONQ] is the world's leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance . Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. Location: Germany Travel: Up to 20% Job ID: 1571 The Role: IonQ is seeking a driven Quantum Sales Executive to lead growth in Germany and the broader European market. As a pivotal member of our cross-functional team, you will have the unique opportunity to drive IonQ's mission of developing the world's most advanced quantum computers. Our cutting-edge technology is designed to tackle some of the most challenging and significant problems facing the world today. This role sits at the forefront of category creation,

Senior Quantum Engineer, Quantum Integrated Circuit Design Berkeley, CA or Fremont, CA As a Quantum Engineer in the quantum integrated circuit design team, you will drive systematic improvements to Rigetti Computing's quantum processors through modeling and design. You will be actively involved in realizing the chips that are at the core of our technology stack. You will contribute to our full-wave electromagnetic simulation workflows and use it to model the performance of superconducting circuits. Drawing from your expertise in circuit Quantum Electrodynamics and full-wave radio-frequency engineering, from fundamental theory through practical application, you will identify and implement improvements to the integrated circuit layout to mitigate loss and crosstalk channels. You will lay out and design microwave multi-qubit circuits for fabrication and develop next-generation quantum processors. Key Responsibilities D e s i g n , l a y o u t , a n d s i m u l a t e s u p e r c o n d u c t i n g m i c r o w a v e i n t e g r a t e d c i r c u i t s f o r q u a n t u m p r o c e s s o r s , w i t h a f o c u s o n o p t i m a l o n - c h i p s i g n a l d e l

Staff Systems Integration Engineer - Quantum Communication Bothell, Washington, United States About IonQ: IonQ, Inc . [NYSE: IONQ] is the world's leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance . Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. Location: This role will work onsite at our office located in Bothell, WA. Travel: Up to 20% domestic and/or international travel Job ID: 1521 The Role: We are seeking a highly skilled Staff Level Systems Integration Engineer to join the Quantum Networking team at IonQ. As a Staff Level Systems Integration Engineer, you'll be part of a cross-functional team whose mission is to lead IonQ on its journey to build the world's best quantum computers to solve the world's most complex

AMS/RF Board Designer, Quantum AI Goleta, CA, USA Be part of a team that pushes boundaries, developing custom silicon solutions that power the future of Google's direct-to-consumer products. You'll contribute to the innovation behind products loved by millions worldwide. Your expertise will shape the next generation of hardware experiences, delivering unparalleled performance, efficiency, and integration. In this role, you will be a key team member in the development of quantum control and measurement systems. You will leverage radio frequency (RF), analog, or mixed-signal expertise to implement high-performance board-level designs which are then used to control our quantum computers. You will work with ASIC designers to architect system-level solutions which allow us to improve our system density and performance. You will document your designs and measurement results and present these data to relevant stakeholders. You will support team-members using the equipment you have designed as they integrate it into larger quantum computing systems. The full potential of quantum computing will be unlocked with a large-scale computer capable of complex, error-corrected computations. Google Quantum AI's mission is to build this computer and unlock solutions to classically intractable problems. Our roadmap is focused on advancing the capabilities of quantum computing and enabling meaningful applications. Individual pay is determined by factors including job-related skills, experience, and relevant education or training. US: $159000 - $231000 (USD) + 15% bonus target + bonus + equity + benefits Learn more about benefits at Google . Support deployment and operations of electronics to Google's fleet of quantum computers.

Quantum Engineer Berkeley, CA or Fremont, CA As a Quantum Engineer at Rigetti Computing, you will be a key contributor to the development of our gate-based, superconducting quantum computers. Your work will turn experimental ideas into ever-improving hardware functionality through rigorous characterization of qubits and gates, implementation of new measurement techniques, and interpretation of processor data. You will collaborate closely with cross-functional teams spanning device design, cryogenic/microwave hardware, control systems, fabrication, and software to push the boundaries of quantum computing to the scale and performance required for practical quantum computing and error correction. This is a general job posting for experimental physicists that leads to consideration for a targeted role with a specific focus. Topics could include: gate calibration, qubit relaxation and/or dephasing, piloting new research ideas in small processors, integration of new ideas into large processors, or implementation of quantum error correction. Your training and achievements as an experimental physicist in quantum information mean that you, more than anyone else, already know how hard this will be. And that's why you've sought us out. As a Quantum Engineer at Rigetti Computing, you will be a key contributor to the development of our gate-based, superconducting quantum computers. Your work will turn experimental ideas into ever-improving hardware functionality through rigorous characterization of qubits and gates, implementation of new measurement techniques, and interpretation of processor data. You will collaborate closely with cross-functional teams spanning device design, cryogenic/microwave hardware, control systems, fabrication, and software to push the boundaries of quantum computing to the