Financial Assistant

Amentum; Aiken (SC); On-site; USD 59,000 - 62,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits (401(k) matching)

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking an Admin – Financial Analyst to join the O&M Telecommunication contract team in Aiken, SC. You’ll interface with SRNS & ATI finance, support invoicing, purchasing, CLIN management, and monthly/annual reporting for the contract.

The role requires a finance degree and 3–5 years of government-contract experience, strong MS Office skills, and familiarity with Deltek Costpoint. U.S. citizenship is required.

Qualifications

• U.S. citizen due to government contracting work.
• Degree in Accounting, Finance, or related field with 3+ years of gov’t contracting experience.
• Strong analytical and problem-solving abilities.
• Multitasking with excellent communication and interpersonal skills.
• Proficient in MS Office; experience with Deltek Costpoint.

Responsibilities

• Process monthly O&M invoices: collect materials, verify quantities and billing codes, ensure pricing accuracy.
• Support purchasing: solicit quotes, update requisitions, ensure PO receipt.
• Develop/adjust CLINs, prepare pricing tables and ROM letters.
• Assist in monthly/annual reports for SRNS and Program Manager.
• Deliver invoices with backup documentation and coordinate approvals.

Skills

Analytical skills

Communication

Problem-solving

Team player

Education

Associate’s degree in finance

Tools

Deltek Costpoint

Microsoft Excel

Microsoft Word

SharePoint

PowerPoint

Job description

Purpose and Impact:

DOE Savannah River Site (SRS) processes and stores nuclear materials in support of national defense and U.S. nuclear nonproliferation efforts. The site also develops and deploys technologies to improve the environment and treat solid and liquid nuclear and hazardous waste left from the Cold War. While current missionsremainthe highest priority, SRS leadership placesgreat importanceon developing broader missions for SRS that use its unique capabilities to address critical national missions. The Operation and Maintenance operator is Savannah River Nuclear Solutions (SRNS), as a Subcontractor to SRNS, Amentum Technology Inc. (ATI) provides telecommunications system operation and maintenance services as well as site operator services at SRS. This position supports operation and maintenance program managing the voice and data services at the Savannah River site.

Essential Responsibilities:

Amentum is seeking a skilled Admin – Financial Analyst to join our team with O&M (Operation and Maintenance) Telecommunication contract with SRNS (Savannah River Nuclear Solutions) in Aiken, SC. Interface with the SRNS & ATI (Amentum Technological Inc.) financial personal, providing reports and information, and successfully supporting the SRNS O&M Telecommunications contract. Responsibilities include:

• Monthly O&M invoice:

• Collect all material to be billed.

• Verify material, quantities, and billing codes are accurate

• Ensure the pricing is correct for the material
• Purchasing:

• Pricing will be requested and emailed to our procurement department.

• Submit to program manager for approval.

• Make updates to the purchase requisition and ensure that purchase order is received
• Develop new, adjust, re-price, and reinstate CLINs as requested by customer and Amentum management
• Assist with the creation of monthly and annual reports to SRNS and Program Manager
• Prepare cover letters and create pricing tables.
• Acquire and maintain all supporting documentation related to the development of CLINs for EMS’s/Work Orders before submitting to SRNS
• Verify EMS pricing, generated Rough Order of Magnitude (ROM) letter to the customer, maintain Master EMS tracking database, process approved ROM letters to the Proposal stage for approval from ATI & SRNS customer, when EMS is completed invoice to SRNS.
• Seek quotes for the renewal of maintenance contracts.
• Process purchase requisitions and orders including obtaining/verifying vendor quotes and pay invoices
• Interact with vendors and supplies
• Deliver copy of invoice with all backup documentation to SRNS; upon approval prepare cover letter, official invoice and submit for payment

Minimum Requirements (Knowledge, Skills, and Abilities):

• Due to the nature of the work, the candidate must be a U.S. citizen.

• Degree in Accounting, Finance, or a related field with minimum of3years of relevant experience in government contracting for multiple type contracts (FFP, CPFF, T&M).

• Team player with strong analytical and problem-solving skills.

• Multi-tasker with strong communication and interpersonal skills.

• Ableto recognize and research issues and make recommendations/decisions based on that research.
• Experience using Microsoft Office applications including Excel, Word,SharePointand PowerPoint.

• Intermediate knowledge ofExceland Excelfunctions.

• Experience inDeltekCostpoint.

Minimum Education:

• Associate’s degree in finance

Minimum Years of Experience:

• 3 – 5 years of prior assistant roles in finance.

#javelin

As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

Compensation Details:

$58,913 - $62,400

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:

11/02/2026 - 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.