Technical Accounting and Financial Reporting Manager

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. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents. The Technical Accounting & Financial Reporting Manager is responsible for supporting the public filings of Form 10-Q and Form 10-K, including the accounting for stock compensation, pensions, derivatives, etc., purchase accounting, annual goodwill and intangible impairment assessments, cash flow, footnotes and multiple ad hoc requests as needed to complete the public filings. Additionally, will be called upon to lead projects as needed, supervise the work of other team members, as well as coordinate projects between groups in an effort to improve accuracy or process efficiencies. This position is US Remote telework and the candidate must be within limited driving distance our Reston, VA or Fort Worth, TX Offices. Key Responsibilities: Administer and interpret accounting policies, various accounting analysis, schedules, exhibits, and summaries in accordance with US GAAP in a cross-functional capacity. Ensure clear and concise written documentation of accounting conclusions (both memos and journal entries), accounting policies and performance within its control atmosphere. Apply knowledge of accounting principles and develop appropriate relationships to become subject matter expert in specific areas. Areas include pensions, derivatives, stock compensation, purchase and divestiture accounting, goodwill and intangible impairment assessments, cash flow, foreign currency, and multiple ad hoc requests to satisfy requests related to our public filings. Perform monthly/quarterly/annual close activities including compiling and analyzing financial information, performing calculations, preparing journal entries and account reconciliations, and resolving issues as needed, and performing tie out of information related to our public filings. Ability to organize and prioritize multiple work assignments, work with little supervision, and work well under pressure. Conduct process overviews and submit recommendations for improving the organization's accounting operation, including training plans, implementation and strategies. Performs other duties as assigned. Key Competencies, Knowledge, Skills and Abilities: Ability to perform data extraction and manipulation, analyze financial data, and generate reports. Ability to analyze and explain forecast vs actual, quarter-over-quarter, and year-over-year variances. Knowledge of General Accepted Accounting principles (GAAP). Ability to work with numbers and complete assignments with attention to detail and a high degree of accuracy. Strong analytical and organizational skills to oversee and balance multiple work assignments. Excellent communication, leadership and interpersonal skills with the ability to communicate effectively with all levels of the organization and act as a key liaison with external auditors. Demonstrate proficiency in finance and accounting relational databases (Costpoint, Cognos, HFM, Blackline) and Microsoft applications. 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. Minimum Qualifications: Typically, eight (8) years of accounting experience or six (6) years of public accounting experience with a Bachelor’s degree in Accounting or Finance. US Citizenship is required. Desired Qualifications, Knowledge, Skills and Abilities: CPA preferred. Experience auditing a public client or working for a public company within corporate accounting highly preferred. Compensation Details: 140-155K depending on experience The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. Benefits Overview: Our health and welfare benefits are designed to support you and your priorities. Offerings include: Health, dental, and vision insurance Paid time off and holidays Retirement benefits (including 401(k) matching) Educational reimbursement Parental leave Employee stock purchase plan Tax-saving options Disability and life insurance Pet insurance Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Original Posting: Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters .