Role Overview
Amentum is hiring a senior-level Accountant III. This is a full-time role in IN. Part of Amentum's Treasury hiring, posted yesterday. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job description
Job Summary
The Accountant III - International Enterprise Accounting is responsible for applying strong accounting and taking ownership of complex accounting processes, ensuring the accuracy and integrity of financial records, and play a key role in driving timely and compliant financial reporting and mentor junior team members and contribute to process improvement initiatives.
Principal Accountabilities
- Apply thorough knowledge of US GAAP to ensure accurate recording of financial transactions across all ledger accounts. Always maintain the integrity and accuracy of the general ledger.
- Perform month/quarter/annual close activities which may include analyzing accounts, performing calculations, preparing journal entries, performing payroll and tax reconciliations, flux analysis and resolving issues as needed.
- Create financial reports and statements that summarize and interpret current and projected company financial position.
- Perform quality control audits and account reconciliations; Review data for completeness, accuracy, and conformance to reporting and procedural standards/regulations; Ensure issues are resolved.
- Act as a key point of contact for internal and external auditors. Review audit packages, respond to queries, and ensure compliance with accounting standards and tax regulations.
- Comply with government regulations and internal controls (e.g., SOX).
- Point of contact for site and customer support for the financial management organization.
- Mentor and guide Junior Accountants and Accountants providing technical support and knowledge sharing.
- Collaborate cross-functionally with Project Accounting, Tax, Treasury, and AP/AR teams.
- Act as a consultant to facilitate the implementation of accounting functions during the transition phase of a new task.
- Position may be assigned to a specific targeted business area and may require additional or specific job duties related to the assigned function that are not aforementioned.
Reporting Relationships
Title of Direct Report(s): No direct reports
Title of Supervisor: Assistant Manager - International Enterprise Accounting
Knowledge & Skills
- Knowledge of General Accepted Accounting Principles (GAAP) required. Federal Acquisition Regulations (FAR), Cost Accounting Standards (CAS) and Joint Travel Regulations (JTR) a plus.
- Demonstrate proficiency in finance and accounting relational databases (Costpoint, Cognos, HFM, and Blackline) and Microsoft applications.
- Ability to analyze variances to budgets/forecasts/accruals, explain management, and create corrective action plan.
- Strong analytical skills and problem-solving abilities.
- Excellent attention to detail with a high degree of accuracy.
- Effective communicator with the ability to present financial data to stakeholders.
- Advanced proficiency in MS Excel, Power BI and strong knowledge of Access.
- Ability to manipulate, interpret, and analyze data in Excel. Ability to work with numbers and manage multiple priorities and meet tight deadlines.
Required Skillset
- Data-driven and continuous learning mindset — Candidates should demonstrate curiosity, adaptability, and the ability to learn new technologies quickly, including leveraging AI to automate repetitive tasks, synthesize information, improve communication, and accelerate problem solving while maintaining human judgment and accountability.
- Ability to evaluate and apply emerging technologies — Candidates should be comfortable assessing new AI-enabled tools and processes, identifying practical use cases, validating outputs, understanding limitations/risk, and incorporating AI responsibly into day-to-day work.
- Demonstrated AI fluency and workflow integration — Candidates should have experience using AI tools to enhance workflows, productivity, decision-making, customer experiences, business outcomes, or operational efficiency.
Experience & Education
- Four (4) to eight (8) years of progressive accounting experience, with significant exposure to general ledger.
- Bachelor's or Master’s degree in Accounting or Finance required (B. Com, BBM, BBA / MBA, M. Com, MSc Accounting & Finance).
- Professional qualification preferred – CPA/ACCA/CMA (fully or part-qualified).
Physical Requirements/Working Environment
Normal office environment.
Travel
No travel required.
Disclaimer
The above information on this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job.
About Amentum
Amentum
amentum.com
24 other open roles at Amentum on TryApplyNow.
Frequently Asked Questions
How do I apply for the Accountant III position at Amentum?
Use the Apply button above to submit your application directly to Amentum. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Accountant III position at Amentum located?
This position is based in IN. Amentum has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Accountant III at Amentum earn?
Amentum has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Accountant III role at Amentum posted?
This role was posted on July 7, 2026 (yesterday). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Accountant III role at Amentum require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Amentum lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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