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Subcontracts Administrator II

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. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

Seeking a Subcontract Administrator II with Aerospace or Aviation experience.

Responsible for all phases of subcontract administration, cradle to grave, to include acquisition planning, source selection, cost/price analysis, negotiation, post-award administration and closeout. Responsible for ensuring compliance with government policies and procedures.

This position is approved for remote-telework. Position requires U.S. Citizenship or permanent resident status.

Key Responsibilities:

• Coordinate, develop, and produce subcontract documentation such as subcontracts, agreements, modification task/delivery orders, solicitations, estimates, cost/price analyses, negotiation memorandums, justifications, determinations, special contract provisions, representations, certifications, and correspondence.
• Coordinate, develop, and produce procurement documentation such as acquisition plans, source selection plans and evaluation criteria, Requests for Proposals (RFPs), agreements, price analyses, statements of work, data submittal requirements, and proposal preparation instructions.
• Evaluate proposals and quotations, determine offer responsiveness, responsibility, and eligibility for award, and provide support for discussions and negotiations.
• Maintain subcontract files. Monitor and track subcontractor deliverables.
• Review and process purchase requisitions in Costpoint.
• Conduct peer reviews of subcontract files in support of Government audits.
• Draft/review/negotiate teaming and non-disclosure agreements.
• Coordinate with accounting and finance departments in administering subcontract invoicing and payments, change orders/incremental funding, and closeout process.
• Ensure compliance with governmental law and divisional policies on contracts and procurement.
• Ensure subcontract requirements are met, monitor cost status, assist in cost management, and coordinate issue resolution with customers.
• Ensure the management of subcontract file(s), prepare and control of all modifications and correspondence.
• Interface and coordinate with contractor/subcontractor, intercompany, interdepartmental, and internal department personnel.
• Monitor small business goals on assigned subcontracts, coordinate with technical staff, maintain records, and participate in small business activities/fairs.
• Negotiate terms and conditions with subcontractors.
• Ensure cost or price analysis is conducted and adequately documented to ensure fair and reasonable price.
• Enter subcontract information into the Costpoint accounting system.
• Close out subcontracts.

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

Knowledge, Skills and Abilities:

• Ability to read and interpret contracts and procurement policy and manuals.
• Able to adhere to all company directives, prime contract and ISO 9001:2008 requirements.
• Demonstrated proficiency with Microsoft Office applications (Word, Excel, PowerPoint), and auditing procedures.
• Able to produce clear, concise written reports and correspondence pertaining to contracts and procurement activities.
• Demonstrated ability to interface with both technical and non-technical personnel in a multi-cultural environment.
• Familiarity with commercial and host country regulations and requirements for commercial contracting for professional services using fixed-price and cost reimbursable contract types.
• Ability to analyze and evaluate contractual and performance risks associated with services performance statements of work and fixed price contract types with an emphasis on vendor performance management and subcontract documentation.
• Leadership potential with strong work ethic, ability to work independently self-starter, initiator, comfortable in a changing and challenging work environment.
• Capable of multitasking in a fast-paced environment, within all levels of the organization.

Minimum Qualifications:

• Bachelor's degree and at least 3 years and Master's and 0-2 years of job-related experience or equivalent years of experience in place of degree. Additional education may be substituted for experience or additional experience may be substituted for education (generally 2 years of experience equals 1 year of education).
• Must have Aerospace or Aviation industry experience.
• Excellent communication and negotiation skills and working knowledge of word processing, database, spreadsheets, and integrated software applications are required.
• Ability to organize and prioritize multiple work assignments and work well under pressure.
• Position requires U.S. Citizenship or permanent resident status.
• US Citizenship is required to apply.

Preferred Qualifications:

• Experience working in government or public sector.

Compensation Details:

70k - 85k

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:

05/11/2026 - 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) .