Assistant Controller jobs in United States
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Quantinuum · 9 hours ago

Assistant Controller

Quantinuum is a leader in quantum computing, and they are seeking an Assistant Controller to lead financial reporting and accounting operations for their U.S. business. This role involves overseeing month-end close processes, generating financial reports, and supporting internal controls and budgeting efforts.

Cyber SecurityQuantum ComputingSoftware Engineering
badNo H1BnoteU.S. Citizen Onlynote

Responsibilities

Oversee month-end close, including journal entries, reconciliations, and analysis of key balance sheet accounts
Generating financial reporting in accordance with U.S. GAAP, supporting both internal and external reporting needs
Assist with the preparation and review of consolidated financial statements and schedules
Support internal control activities, SOX testing, and remediation efforts
Support budgeting, forecasting, and planning processes, working closely with FP&A and business partners
Analyze financial results, identify trends, and provide insights on variances, risks, and opportunities
Help develop, maintain, and improve 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

Qualification

GAAP knowledgeFinancial reportingSOX/internal controlERP systemsProject AccountingCost AccountingFixed AssetsFinancial modelingAnalytical skillsCommunication skillsMentoringProblem-solvingRelationship building

Required

Bachelor's Degree required
Minimum 8+ years of experience in Project Accounting, Cost Accounting, Fixed Assets, and GL/AP/AR required
Due to Contractual requirements, must be a U.S. Person defined as a U.S. citizen, permanent resident, or green card holder, worker 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

Preferred

Master's degree in accounting, Finance, or related fields preferred
Strong GAAP knowledge, experience with consolidated financial statements, and accounting close processes. Previous SOX/internal control experience is highly desirable
Comfortable driving accounting work in ERP systems (SAP S4/HANA, SAP ECC, Oracle Net Suite) and financial reporting tools
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 Ledger accounting, Accounting Information System (AIS), Audit (big 4 client or provider side or both) preferred
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
You pair retrospective reporting with forward-looking insights to uncover emerging risks and opportunities

Benefits

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

Company

Quantinuum

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Quantinuum is a IT firm that accelerates quantum computing and the development of applications across chemistry, cybersecurity, and finance. It is a sub-organization of Honeywell.

Funding

Current Stage
Growth Stage
Total Funding
$925M
Key Investors
NVenturesJP Morgan ChaseIBM Ventures
2025-08-15Series B· $600M
2024-01-15Series A· $300M
2022-02-22Convertible Note· $25M

Leadership Team

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Rajeeb Hazra
President & Chief Executive Officer
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Denise Holmquist
Senior Director Product Operations
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Company data provided by crunchbase