Senior Subcontracts Administrator – IRES

Amentum

. Independently manage a portfolio of complex, high-value subcontracts for Amentum’s MDA IRES contract .

Posted 10/28/2026full-timeRemote • United StatesSenior💰 $125,000 - $140,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing complex subcontracts, including acquisition planning, negotiation, and administration while ensuring compliance with FAR/DFARS regulations. Proven ability to develop acquisition strategies, conduct market research, and maintain supplier relationships in a government contracting environment.

Highest-signal resume keywords

Subcontract Administration ExperienceFAR/DFARS ComplianceCost And Price AnalysisMicrosoft Office ProficiencyActive DoD Secret Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Subcontract Lifecycle ManagementAcquisition Strategy DevelopmentMarket ResearchNegotiation SkillsCost AnalysisContract Type Knowledge (IDIQ, CPIF, T&M, Firm-Fixed-Price)Federal Regulation InterpretationSupplier Performance MonitoringContractual Risk CommunicationFormal Closeout Procedures

Soft Skills

Independent JudgmentCollaborationProblem SolvingCommunication

Tools & Technologies

Microsoft WordMicrosoft PowerPointMicrosoft ExcelMicrosoft SharePoint

Industry Keywords

Government SubcontractingCPSR-Ready ProcurementAudit-Ready FilesSubcontractor Performance ManagementSole-Source Determinations

About the role

Key responsibilities & impact

Independently manage a portfolio of complex, high-value subcontracts for Amentum’s MDA IRES contract
Lead the full subcontract lifecycle from acquisition planning through closeout
Plan, compete, negotiate, award, administer, modify, and close complex subcontracts
Develop acquisition strategies and translate technical requirements into executable packages
Conduct market research and identify capable sources
Assess competition, supplier eligibility, and responsibility
Support make-or-buy, commerciality, and single- or sole-source determinations
Manage solicitations and source selection
Perform cost and price analysis and lead negotiations within delegated authority
Document business decisions and establish appropriate subcontracting arrangements
Ensure award readiness and maintain contractual control
Administer changes and monitor subcontractor performance
Resolve performance and payment issues and maintain supplier relationships
Complete formal closeout
Interpret and apply FAR/DFARS, prime contract flowdowns, company policy, delegated authority, and acquisition strategies
Maintain CPSR-ready, audit-ready procurement files and protect sensitive information
Support reviews and corrective actions and improve subcontract execution
Exercise independent judgment and escalate matters to management, legal, compliance, or the customer when appropriate
Manage multiple high-priority actions and short deadlines
Communicate contractual risk and convert technical or program requirements into enforceable subcontract language
Collaborate in a matrixed program environment

Requirements

What you’ll need

2 or more years of experience performing in a senior-level subcontracts administration role or comparable position
5 or more years of directly related experience in Government subcontracting
10 or more years of general full-time work experience
General work experience requirements may be reduced with completion of advanced education
Recent subcontract experience working with FAR/DFARS
Working knowledge of IDIQ, CPIF, T&M, and firm-fixed-price contract types
Ability to execute and interpret federal regulations within contracts
Proficiency in Microsoft Word, PowerPoint, Excel, and SharePoint
Active DoD Secret Security Clearance
Resumes must be submitted in month-and-year format
Up to 10% travel required
Day shift
Subcontract Administrator experience required; COR-only or contract-administration-only backgrounds do not meet minimum qualifications

Benefits

Comp & perks

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
Remote/telework available
Relocation assistance: None available at this time