Senior Subcontracts Administrator - IRES

Amentum; Huntsville (AL); Remote; USD 125,000 - 140,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) matching

Paid time off

Job summary

Amentum is seeking a Sr. Subcontracts Administrator to manage the full lifecycle of complex subcontracts across multiple sites, including Huntsville, AL. Remote/telework is available.

The role requires DoD Secret clearance, extensive FAR/DFARS experience, and proven negotiation skills. Responsibilities span pre- to post-award activities and supplier performance management. Key duties include market research, source selection, and ensuring compliance, documentation, and closeout.

Qualifications

• Must have 2+ years in a senior subcontracts administration role.
• Must have 5+ years of Government subcontracting experience.
• Must have 10+ years of general full-time work experience.
• Active DoD Secret clearance required.
• Familiarity with multiple contract types (IDIQ, CPIF, T&M, firm-fixed price).

Responsibilities

• Lead full subcontract lifecycle: plan, compete, negotiate, award, administer, modify, close subcontracts with clear ownership of schedule, risk, approvals, and files.
• Develop the acquisition strategy and translate requirements into executable packages.
• Perform cost and price analysis; lead negotiations within authority; document business decisions.

Skills

Subcontract management

FAR/DFARS knowledge

DoD Secret Clearance

Negotiation

Documentation discipline

Tools

MS Word

PowerPoint

Excel

SharePoint

Job description

Position Title:

Sr. Subcontracts Administrator

Location:

Schriever Space Force Base, Colorado Springs, CO; Redstone Arsenal, Huntsville, AL; Fort Belvoir; VA, Dahlgren, VA; Vandenberg, CA

Relocation Assistance:

None available at this time

Remote/Telework:

Yes - Available for this position

Clearance Type:

DoW Secret

Shift:

Day shift

Travel Required:

Up to 10% of the time

This role specifically requires Subcontract Administrator experience. Candidates whose backgrounds consist only of COR or contract administration duties do not meet the minimum qualifications for this position.

Description of Duties

Subcontract Management

• Lead the full subcontract lifecycle. Plan, compete, negotiate, award, administer, modify, and close complex subcontracts with minimal supervision while maintaining clear ownership of schedule, risk, approvals, and file documentation.
• Develop the acquisition strategy.
• Translate technical requirements into executable packages.
• Conduct and document market research. Identify capable sources, assess competition, validate supplier eligibility and responsibility, and support make-or-buy, commerciality, and single- or sole-source determinations when applicable.
• Manage solicitations and source selection.

Proposal Analysis, Negotiation, and Award

• Perform cost and price analysis.
• Lead negotiations within delegated authority.
• Document the business decision.
• Establish the appropriate subcontracting arrangement.
• Ensure award readiness.

Post-Award Administration and Supplier Performance

• Maintain contractual control.
• Administer changes.
• Monitor subcontractor performance.
• Resolve performance and payment issues.
• Maintain effective supplier relationships.
• Complete formal closeout.

Compliance, Records, and Business Leadership

• Interpret and apply requirements.
• Maintain CPSR-ready and audit-ready files.
• Protect sensitive information.
• Support reviews and corrective actions.
• Improve execution.

The successful candidate will

• Exercise sound independent judgment and know when a matter requires management, legal, compliance, or customer escalation.
• Manage multiple high-priority actions and short deadlines without sacrificing compliance, documentation quality, or business judgment.
• Communicate contractual risk clearly and convert technical or program requirements into specific, enforceable subcontract language.
• Be organized, responsive, detail-oriented, and effective in a collaborative, matrixed program environment.
• Understand how subcontract terms allocate cost, schedule, technical, and performance risk and applies that understanding during negotiations.

Basic Requirements

• Must have 2 or more years of experience performing in a senior level subcontracts administration role or comparable position.
• Must have 5, or more, years of directly related experience in Government subcontracting
• Must have 10, or more, years of general (full-time) work experience
• May be reduced with completion of advanced education
• Must have demonstrated recent subcontract experience working with the FAR/DFARS
• Working knowledge of multiple contract types including IDIQ, CPIF, T&M, firm-fixed price, and demonstrated ability to execute and interpret federal regulations within contracts
• Must be proficient in Microsoft Word, PowerPoint, Excel, and SharePoint
• Must have an active DoD Secret Security Clearance

Desired Requirements

• Have experience developing subcontract requirements with little to no prior acquisition history
• Have demonstrated experience developing process improvements and new processes for subcontract management portfolios

This position is expected to pay $125,000 – $140,000 annually; depending on experience, education, and any certifications that are directly related to the position.

$125,000 - $140,000

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

• 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

10/28/2026 - 10/31/2026

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.