Jobs at Infleqtion

Own the full subcontract lifecycle for government and defense programs, including sourcing, RFPs, proposal evaluation, cost analysis, negotiations, contract execution, performance administration, modifications, compliance, and closeout. Maintain audit-ready procurement files and ensure FAR, DFARS, ITAR, EAR, and CPSR compliance while coordinating with suppliers, engineering, quality, finance, legal, and program management teams.

Senior Counsel will lead complex commercial contracting and strategic transactions, including customer, partnership, government, licensing, technology development, SaaS, data, vendor, and procurement agreements. The role advises on intellectual property, export controls, national security, public company obligations, revenue recognition, disclosure, governance, and regulatory matters. It also develops legal processes, playbooks, approval frameworks, and training while partnering with commercial, technical, finance, and executive teams in a high-growth public technology company.

Leads the engineering operating system for complex quantum hardware and firmware products from concept through manufacturing transition. Establishes lifecycle processes, technical gate reviews, quality systems, AS9100 readiness, configuration and document control, engineering tools, laboratory operations, equipment planning, technical-data security, and cross-functional manufacturing-transition practices. Builds and manages Engineering Operations across quality, configuration management, document control, and laboratory functions while scaling consistent practices internationally.

Lead end-to-end technical execution for a terrestrial quantum gravity gradiometer program. Own system architecture, technical decisions, risk mitigation, verification and validation, testing, and product readiness. Coordinate multidisciplinary engineering teams spanning systems, mechanical, thermal, opto-mechanical, electrical, embedded controls, and software. Partner with program leadership on cost, schedule, roadmaps, and technical execution while mentoring engineers and supporting deployed quantum sensing products.

Administer contracts from negotiation through closeout, including reviewing terms, assessing risk, ensuring FAR and DFARS compliance, managing deliverables and changes, advising stakeholders, coordinating government property reporting, and completing final invoicing and disposition activities. The role also maintains contract records, supports billing and collection, and collaborates with accounting, program teams, customers, and government officials.

Supports sales and commercialization of quantum hardware products by identifying prospects, engaging technical and business stakeholders, preparing presentations and quotations, managing CRM pipelines, coordinating supplier registration and procurement processes, and overseeing custom orders through production and delivery. Serves as a technically credible liaison between customers and internal Product, Engineering, Production, Contracts, Finance, Quality, and Supply Chain teams.

Leads direct and indirect procurement for company operations and government contracts. Oversees sourcing, supplier selection, negotiations, purchase orders, supplier performance, procurement documentation, supplier risk, and FAR/DFARS compliance. Partners with program management, finance, contracts, legal, quality, engineering, and operations while developing the procurement team. Responsibilities include market research, cost analysis, savings initiatives, audit readiness, internal controls, and subcontractor management.

Develop and own production software controlling and calibrating neutral-atom quantum computers. Build backend services, control frameworks, scientific data pipelines, CI/CD systems, and containerized deployments. Debug the full control stack from embedded kernels through distributed services, collaborate closely with physicists and hardware engineers, and create tooling for experiments, real-time image analysis, and object detection.

Qualify, assess, audit, and monitor suppliers for quality-system capability, technical competence, capacity, delivery, and risk. Manage supplier nonconformances, material review, root-cause analysis, CAPA, SCARs, quality plans, first-article inspections, traceability, and objective quality records. Interpret engineering documentation and ensure compliance with Government and defense contract requirements, including FAR Part 46. Collaborate with suppliers, procurement, engineering, manufacturing, program management, and customers.

Leads global software development and serves as technical lead for quantum sensing products. Develops and productizes React/Next.js frontends and Python FastAPI backends integrating with embedded hardware, Rust middleware, and device-control systems. Responsibilities include architecture, code reviews, testing, documentation, CI/CD, Jira and sprint management, team coordination, and transitioning prototypes into production-ready systems.

Design and integrate precision mechanical infrastructure for quantum gravity gradiometers deployed in laboratory, terrestrial, and space environments. Lead structural, thermal, vibration, shock, tolerance, and environmental analyses; integrate optical, electrical, vacuum, thermal, fiber, cable, and spacecraft interfaces; manage suppliers and product lifecycle reviews; support testing, risk resolution, reliability, and manufacturing readiness. Present technical decisions to customers and leadership while mentoring junior engineers.

Develop scalable, high-performance RTL and embedded processing systems for quantum computing applications. Collaborate with physicists and multidisciplinary engineering teams, architect processing chains, build analytical models, and tune and troubleshoot systems in laboratory environments. Apply software engineering practices including testing, version control, CI, static analysis, automated builds, documentation, and code reviews. The role may also lead small technical teams or projects.

Lead the mechanical systems IPT for quantum gravity gradiometer hardware, driving requirements closure, design trades, CAD, analysis, drawings, procurement readiness, assembly, and testing. Coordinate with cross-functional teams, suppliers, and customers while ensuring alignment, vacuum, thermal, vibration, cleanliness, and integration requirements are met. Facilitate design and manufacturing reviews, manage risks and configuration control, mentor engineers, and provide schedule and cost inputs.

Own the RF and electromagnetics discipline for quantum radio-frequency sensing systems. Design, simulate, integrate, calibrate, characterize, and troubleshoot RF structures, signal chains, sensor interfaces, and controlled test environments. Define requirements, performance budgets, measurements, verification methods, and acceptance criteria. Develop test automation and data analysis tools, reconcile models with laboratory results, and collaborate across physics, hardware, software, manufacturing, and technician teams to transition prototypes into repeatable systems.

Manage a portfolio of complex quantum software and computing projects as a cohesive program. Responsibilities include coordinating multidisciplinary teams and resources, managing schedules, budgets, costs, risks, subcontractors, staffing, deliverables, and communications. The role supports proposals and contracts, develops project plans, tracks milestones, manages scope and change, engages technical leaders, contributes to forecasts and roadmaps, and represents the company to external stakeholders. Travel up to 10% may be required.

Leads company-wide FP&A, including annual planning, quarterly forecasting, long-range modeling, management and Board reporting, performance analysis, strategic finance, resource allocation, and cash planning. Partners with executives and business leaders to develop actionable financial insights, support capital allocation and M&A, improve forecasting processes, and establish scalable FP&A infrastructure for a growing public technology company.

Design, develop, test, and maintain integrations between quantum computing software and cloud, HPC, AI, scientific, and enterprise platforms. Build APIs, SDK integrations, plugins, workflow connectors, and hybrid quantum-classical workflows. Collaborate with internal teams and external partners on architectures, prototypes, documentation, testing, monitoring, troubleshooting, and deployment. Support reliable access to quantum resources within existing computational environments while contributing to software architecture and product roadmaps.

The Senior Embedded Systems Engineer designs and develops embedded software and hardware for Quantum RF systems, collaborating with cross-functional teams to ensure successful system integration and deliver high-performance solutions.

Designs and develops precision opto-mechanical subsystems for scalable quantum computing hardware. Responsibilities include optical and mechanical integration, simulations, tolerance and thermal analysis, laboratory assembly, optical stability characterization, root-cause investigations, documentation, and design-for-manufacturing. The engineer collaborates with physicists and multidisciplinary engineering teams to transition research prototypes into repeatable, maintainable products.

Designs, models, integrates, and validates precision opto-mechanical subsystems for scalable neutral-atom quantum computing hardware. Responsibilities include tolerance and error budgets, FEA, thermal and vibration analysis, laboratory characterization, design-for-manufacturing, root-cause investigations, and transitioning research-grade systems into repeatable production hardware. Collaborates with physicists and multidisciplinary engineering teams while providing technical leadership and mentoring to developing engineers.