Jobs at Infleqtion

The DevOps Engineer will build and operate on-prem and hybrid infrastructure for quantum computing, manage Linux systems, and develop automation, while collaborating across disciplines in a dynamic environment.

Manage the full subcontract lifecycle for government and defense programs: RFP/RFQ creation, proposal evaluation, negotiation, award execution, post-award administration, compliance with FAR/DFARS/ITAR/EAR/CPSR, supplier performance monitoring, and cross-functional coordination to maintain audit-ready procurement files.

The Director of Internal Audit leads a risk-based internal audit function, overseeing SOX compliance, audit plans, governance support, and stakeholder communication.

Design and implement quantum-inspired and quantum machine learning models (tensor-network architectures), build hybrid classical-quantum workflows, collaborate with hardware and experimental teams, optimize models for HPC/GPU and low-SWaP deployment, contribute to research publications and technical reports, and provide mentorship in an interdisciplinary R&D environment.

The Director, Brand & Creative leads brand development and visual storytelling through diverse media, ensuring consistency and engagement across all channels. This role includes managing creative assets, collaborating with freelancers and agencies, and leveraging advanced design technologies.

Prepare and post U.S. GAAP journal entries, perform monthly reconciliations, support month/quarter/year close, analyze financial statements, support audits and SOX readiness, implement accounting policies, and provide accounting guidance across departments.

Lead revenue recognition, contract accounting, and ASC 606 analyses for complex multi-element, milestone, government, and commercial contracts. Prepare technical accounting memos, maintain revenue schedules and waterfall reports, support monthly/quarterly close and SEC disclosures, assist PCAOB audits, and improve NetSuite revenue processes and SOX controls while partnering cross-functionally with legal, program management, FP&A, and contracts teams.

Lead the UK integrated photonics capability, driving design, simulation, fabrication, testing, and packaging of silicon photonics PICs and integrated subsystems. Oversee technical project execution, mentor team members, coordinate with foundries and suppliers, characterise lasers and combs, identify commercialization opportunities, and present technical results to stakeholders.

Lead audience strategy and integrated marketing campaigns for corporate sectors, translating quantum technology into business outcomes, and managing corporate engagement with stakeholders.

As a Quantum Software Engineer, you'll design and maintain quantum software, support customers, collaborate with physicists, and engage with the scientific community.

Lead the development of software systems for quantum sensing products, focusing on full-stack engineering, team leadership, and software best practices.

Support the quantum computing team's optomechanical engineering group by collaborating on optical design, assembly, and testing of optomechanical systems.

The Senior Counsel will oversee corporate governance and SEC compliance, prepare filings, support Board processes, and manage securities matters for a public company.

Design and implement high-performance embedded FPGA/programmable-logic solutions for quantum applications. Develop testable, performant RTL (SpinalHDL/HDL), architect processing chains with analytical models, perform lab tuning and troubleshooting, and apply modern software engineering practices including CI, revision control, and code reviews.

The Office & Procurement Coordinator will manage office operations, vendor coordination, procurement activities, and support employee experience in the Chicago office.

The Senior Productization Engineer leads the technical implementation of products, translating concepts into actionable plans, managing risks, and working across various engineering disciplines to ensure manufacturability and supportability of products.

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.

The RF/Electromagnetics Engineer will design and characterize RF structures, develop RF test environments, and support advanced sensor systems, collaborating with various engineers.

The role involves designing opto-mechanical systems, collaborating with teams, leading engineers, and ensuring system performance in rugged environments throughout the project lifecycle.

Seeking a Mechanical Engineer to develop atomic clock pilot line products, involving CAD design, prototype fabrication, testing, and documentation. Ideal candidates should have hands-on experience with SolidWorks and product-focused engineering roles.