Finance Administrative Assistant

Amentum • Williamsburg, VA • 3d ago

Amentum is seeking a Financial Administrative Assistant located in the Williamsburg area of Virginia. The Administrative Assistant manages daily financial operations, handling tasks like budgeting, payroll, accounts payable/receivable, reconciliations, financial reporting, cash flow and ensuring regulatory compliance, and assists the customer in administrative duties as outlined below and other ad hoc duties as required:

Job Requirements:

Secretarial duties (filing, taking phone calls, scheduling appointments, making travelarrangements

Strong bookkeeping abilities

Proficiency in utilizing point-of-sales (POS) systems

Preparing bank reconciliation reports

Assisting and supporting the financial analyst

Developing and maintaining overtime reports

Oversight and management of project codes

Managing all things timecards

Administrative support to executive staff with office management responsibilities

Create agendas, take minutes and disseminate notes

Create, update and manage spreadsheets

May be required to work independently on projects requiring research and preparation of briefing charts and other presentation materials

Communicate effectively with other teams and clients both in written communication and verbal communication

Works independently receiving a minimum of detailed supervision and guidance

Receive and disseminate work/repair orders; arrange and coordinate repair of office equipment as needed

Perform ad hoc administrative support to training exercises, as necessary

May be required to travel in the US for up to two weeks at a time, potentially four times year

Minimum Requirements:

Must have a U.S. government security clearance at time of application

Minimum of one (1) year experience working on the client computer system

Preferred a degree in Finance or Accounting, or relevant experience

Two (2) years general administrative support work with demonstrated experience that provides the required knowledge, skills and abilities

A valid driver's license

May require repetitive motion during work shift

Proficient in Microsoft Windows applications including Microsoft Office Suite, Outlook, and SharePoint

Analytical and software skills to support overall financial health and strategic planning,

Strong interpersonal skills and professional demeanor

Ability to lift 10 or more pounds

US citizen or naturalized citizen

Service Contract Act (SCA) Compensation & Benefits:

This is an hourly, overtime-eligible position that falls under the Service Contract Act (SCA). In accordance with the Health and Welfare provisions of the SCA, and in addition to your base hourly rate, you may be eligible to receive an additional health and welfare payment for each hour you work to ensure compliance with the minimums set forth by the act. The amount you are entitled to receive will vary depending upon the fringe benefits you select now and in the future.

Compensation Details:

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:

02/20/2026 - Until Filled

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 (https://postings.govdocs.com/#/vxSkbztPuAwwxfs) .

Amentum

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