We are seeking an Assistant Controller in our Broomfield, CO, location.

Quantinuum believes that employees work better, more efficiently and more collaboratively in close proximity to other employees, where ideas can be exchanged readily, and decisions can be made more quickly for the benefit of the Company and our customers. All employees should work at their assigned location; however, this role may offer the opportunity to work remotely up to 2 days per week, with approval.

As the Assistant Controller, you will be a critical partner to the Sr. Controller and CFO, helping lead the financial reporting, accounting operations, and internal control environment for our U.S. business.

Key Responsibilities:

• Oversee and participate in month-end close procedures, including preparation and review of journal entries, reconciliations, and analysis of key balance sheet accounts.

• Generate financial reporting in accordance with U.S. GAAP, supporting both internal and external reporting needs.

• Assist with the preparation of consolidated financial statements and footnotes.

• Support and actively participate in internal control activities, SOX testing, and remediation efforts as required.

• Provide information as needed to FP&A and business partners to support budgeting, forecasting, and planning processes.

• Assist in preparation of monthly and quarterly variance analysis, identify trends, and provide insights on variances, risks, and opportunities.

• Assist in developing, maintaining, and improving accounting policies, procedures, and documentation.

• Mentor and develop junior accounting staff; provide leadership and hands-on coaching.

• Work with external auditors during audit planning and execution, ensuring timely deliverables.

• Partner cross-functionally (e.g., Tax, Treasury, Legal) to support financial initiatives, system implementations, and process improvements.

YOU MUST HAVE:

• Bachelor's Degree minimum

• Minimum 8+ years of experience in GAAP accounting, month-end close procedures, Project Accounting, Cost Accounting, Fixed Assets, reconciliation preparation and review, and GL/AP/AR required

• Minimum 2 years of experience working with SAP S4 HANA.

• Minimum 2 years of experience working for a publicly traded company

• Due to Contractual requirements, must be a U.S. Person defined as, U.S. citizen permanent resident or green card holder, workers granted asylum or refugee status.

• Due to national security requirements imposed by the U.S. Government, candidates for this position must not be a People's Republic of China national or Russian national unless the candidate is also a U.S. citizen.

WE VALUE:

• CPA or Master's degree in accounting, finance, or related fields preferred.

• Strong GAAP knowledge, experience with consolidated financial statements, and accounting close processes. Previous experience working under SOX controls is highly desirable.

• Comfortable driving accounting work in ERP systems (SAP S4/HANA, SAP ECC) and financial reporting tools such as Workday Adaptive highly desirable.

• Exceptional analytical, problem-solving, and financial modeling skills; ability to simplify complex financial data for business partners.

• Excellent written and verbal communication skills; ability to convey financial insights clearly to non-finance stakeholders.

• Experience supervising or mentoring other accounting professionals.

• Thrives in a fast-paced, high-growth environment with evolving priorities.

• Gov CAS accounting, Accounting Information System (AIS), Audit (big 4).

• Experience utilizing AI tools, deploying autonomous processing systems, streamlining P2P, OTC, R2R processes, and deploying new ledgers in S4 HANA desirable

• You're motivated by innovation and enjoy diving deep into complex financial topics.

• You work cross-functionally and build relationships easily, aligning finance goals with broader strategic objectives.

• You hold yourself to high standards around accuracy, transparency, and compliance.

$136,000 - $170,000 a year

Compensation & Benefits:

Incentive Eligible - Range posted is inclusive of bonus target

The pay range for this role is $136,000 - $170,000 annually. Actual compensation within this range may vary based on the candidate's skills, educational background, professional experience, and unique qualifications for the role.

By uniting best-in-class software with high-fidelity hardware, our integrated full-stack approach is accelerating the path to practical quantum computing and scaling its impact across multiple industries.

By joining Quantinuum, you'll be at the forefront of this transformative revolution, shaping the future of quantum computing, pushing the limits of technology, and making the impossible possible.

What's in it for you?

A competitive salary and innovative, game-changing work

Flexible work schedule

Employer subsidized health, dental, and vision insurance

401(k) match for student loan repayment benefit

Equity, 401k retirement savings plan + 12 Paid holidays and generous vacation + sick time

Paid parental leave

Employee discounts

Applications will be accepted on an ongoing basis, there is no application deadline for this position.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.