Infleqtion is a global quantum technology company solving the world's most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables "quantum everywhere" through our ecosystem of devices and platforms. Our mission is to commercialise atom-based quantum products that provide orders of magnitude improvements in performance and computing applications.

Location: Infleqtion has offices in the USA, United Kingdom, and Australia. This full‑time position is split between our Kidlington, Oxford office and the National Quantum Computing Centre, Harwell. Work from home is permitted up to two days per week based on business needs and manager approval.

Role Summary: As a Senior Accountant, you will be a key member of the finance team, responsible for maintaining accurate financial records, ensuring compliance with accounting standards, and supporting the company’s strategic growth. This role blends hands‑on accounting with analytical insight, providing opportunities to work on complex areas such as R&D capitalization, grant accounting, and cost accounting for high‑tech manufacturing. You will collaborate across departments — including R&D, Operations, and Commercial — to ensure financial data supports both internal decision‑making and external reporting.

Responsibilities

Financial Accounting & Reporting

• Manage the monthly, quarterly, and annual close process, including journal entries, reconciliations, and variance analysis.
• Prepare GAAP‑compliant financial statements and management reports.
• Maintain and reconcile general ledger accounts across entities and currencies.
• Ensure accurate accounting for fixed assets, inventory, and capitalised R&D costs.

Operational Support

• Partner with department heads to track project costs, grants, and capital projects.
• Support compliance and reporting for government‑funded research and development initiatives.
• Provide detailed analysis on cost structures, product margins, and project‑level spend.

Audit & Compliance

• Coordinate and prepare audit documentation for external auditors.
• Ensure internal controls are designed and operating effectively.
• Maintain compliance with tax, grant, and statutory reporting requirements across jurisdictions.

Process & Systems Improvement

• Support ERP implementation and optimisation efforts to improve automation and accuracy.
• Enhance accounting workflows, ensuring scalability as the company expands globally.
• Drive efficiency initiatives and contribute to continuous improvement projects within Finance.

Cross‑Functional Collaboration

• Work closely with FP&A to provide financial insights and forecast support.
• Partner with procurement and operations to ensure accurate accruals and cost allocations.
• Collaborate with R&D teams to align financial reporting with project milestones and funding cycles.

Qualifications

• Bachelor’s degree in Accounting, Finance, or related field; CPA or equivalent certification strongly preferred.
• 4‑7 years of progressive accounting experience, ideally in technology, manufacturing, or scientific R&D environments.
• Strong understanding of GAAP and financial reporting standards.
• Experience with ERP systems (e.g., NetSuite, SAP, or similar).
• Proficiency in Excel and strong analytical and problem‑solving skills.
• Detail‑oriented, with the ability to manage multiple priorities in a dynamic setting.

Preferred Experience

• Exposure to grant accounting, government compliance, or cost accounting.
• Experience with multi‑entity or international consolidation.
• Familiarity with manufacturing, research funding, or capital project accounting.
• Previous experience in deep‑tech, hardware, or quantum technology environments.

Benefits

• Competitive salary
• Unlimited PTO
• Generous company 10% pension contribution regardless of employee contribution
• Cycle to work and technology schemes
• Incentive Stock Option Plan
• BUPA Private Healthcare Insurance after successful completion of probationary period

Travel

Up to 10% travel may be required.

Equal Opportunity

Infleqtion is committed to a diverse and inclusive workplace. We consider all qualified applicants regardless of race, color, religion, sex, national origin, age, disability, or any other protected characteristic. We are proud to be an Equal Employment Opportunity Employer.