Project Accountant

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitment s are underpinned by the belief that safety, collaboration and well-being are integral to success.

Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

Are you seeking a career that offers a healthy work-life balance, a friendly company culture, and engagement with a supportive community?

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent.

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.

Amentum is proud to be an Equal Opportunity Employer, please refer to our Enterprise Agreement and (Use the "Apply for this Job" box below). for more information.

The Project Accountant provides technical accounting support throughout the full project lifecycle and works closely with operations and finance teams to ensure accurate financial management, reporting, and compliance.

• Manage end-to-end project setup, maintenance, and closure, ensuring completeness, accuracy, and compliance throughout the project lifecycle.
• Maintain rolling forecasts, proactively incorporating risks, scope changes, variations, and project progress.
• Oversee project cost tracking, ensuring alignment with approved budgets and timely identification of variances.
• Prepare and submit client invoices accurately and on time in accordance with contractual terms.
• Ensure accurate revenue recognition in line with US GAAP and company accounting policies.
• Support the month-end close process, ensuring timely and accurate reporting.
• Prepare month-end financial reports and deliver in-depth analysis on project performance, risks, and trends.
• Monitor and manage project balances and key metrics, including Accounts Receivable, Work in Progress (WIP), Deferred Revenue, and Days Sales Outstanding (DSO).
• Develop and maintain project dashboards and KPIs to provide clear visibility into financial health and performance.
• Act as a key finance partner to the project team, providing ongoing guidance and support throughout the project lifecycle.
• Liaise effectively with cross-functional teams, clients, and external vendors to resolve financial and operational matters.
• Ensure compliance with company policies and procedures, US GAAP, statutory requirements, and SOX controls.
• Support internal and external audits, including documentation, analysis, and issue resolution.

• Bachelor’s degree in Accounting, Finance, or a related discipline
• Minimum of 5 years’ experience in a finance role, with strong preference for project‑based environments
• Demonstrated expertise in project accounting, including cost tracking, forecasting, and financial reporting
• Advanced technical proficiency in financial systems and Microsoft Excel, with hands‑on experience using macros, Power…