Subcontract Administrator

Amentum is seeking a Subcontracts Administrator (SCA). This is a full-time, remote role . As the SCA, you will manage the full subcontract lifecycle-from solicitation to closeout-supporting prime government contracts within the Engineering and Technology Business Group. You bring proven experience in federal subcontract administration and procurement systems. You can work independently, manage multiple priorities, and ensure high levels of internal customer satisfaction.

Essential Responsibilities:

• Assist in the preparation, issuance, and administration of subcontract agreements.

• Assist in coordinating, solicitation activities with potential subcontractors

• Support the review and analysis of proposals and quotations,.

• Document and maintain subcontract files.

• Ensure subcontract actions are executed in accordance with company policies and applicable regulatory

• Prepare correspondence to subcontractors and internal personnel.

• Review requisitions, process purchase orders, and modifications.

• Coordinate with accounting and finance department in administering subcontract invoices and payments.

• Assist in supporting small business subcontracting goals and outreach activities.

• Close out subcontracts.

• Perform all other position-related duties as assigned or requested.

Minimum Requirements:

• Bachelor's degree in a relevant field and 3 years of experience in procurement, supply chain, contracts administration, or related business functions. Experience reviewing, writing, and editing contracts.

• Familiarity with Federal Acquisition Regulation (FAR) and/or Defense Federal Acquisition Regulation Supplement (DFARS).

• Experience supporting government contracts or defense programs.

• Experience working in a cross-functional environment with program management, finance, and contract teams.

• Experience working in a client-facing role while keeping up with multiple subcontract actions at once.

• Experience supporting contract documentation, file management, and procurement administrative processes.

• Ability to communicate well verbally and in writing.

• Possess strong organizational and time management skills with the ability to manage multiple subcontract actions simultaneously.

• Experience with Costpoint or similar ERP systems, including the use of the purchasing module.

• Experience with Procurement Systems: OnBase, Deltek Time and Expense, SAP, or related systems and electronic filing.

• Proficiency with Microsoft Excel, Word, PowerPoint, and other Microsoft Office tools for reporting, documentation, and data tracking.

• Travel: Ability to travel for occasional onsite meeting requirements. Must be able to obtain and maintain facility credentials/authorization. Note: US citizenship is required for facility credentials/authorization at the onsite work location.

Benefits:

Amentum offers the following benefits for this position, subject to applicable eligibility requirements: medical dental and vision insurance, 401(k) retirement plan, life insurance, long-term and short-term disability insurance, 15 days of paid time off, 10 holidays (8 fixed/2 flexible), and parental leave.

Compensation Details:

$62,000 - $87,500

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:

05/05/2026 - 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 () .