Principal Subcontracts Administrator

STR · Remote

  • Senior
  • Full-time
  • $140,000 – $175,000
  • Posted 2026-11-10
  • Confirmed live on 11 November 2026

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Job description

STR is seeking a highly motivated Principal Subcontracts Administrator to join our growing Contracts & Supply Chain team. The Principal, Subcontracts professional will lead and manage the full lifecycle of subcontracts across a diverse portfolio of government contracts. Responsibilities will include subcontracting strategy, solicitation, proposal evaluation, negotiation, award, post-award administration, compliance, performance management, modification, and closeout.

The successful candidate will serve as a subject-matter expert and trusted business partner to Program Management, Engineering, Finance, Supply Chain, Contracts, Legal, and other internal stakeholders. The role requires sound judgment, strong negotiation and communication skills, exceptional attention to detail, and the ability to independently manage multiple priorities in a fast-paced federal contracting environment.

This position offers the opportunity to lead complex subcontracting activities, advise internal stakeholders, support purchasing-system compliance, contribute to process improvements, and help scale STR’s subcontract management practices as the company grows.

What you will do:

• Lead full lifecycle administration of a portfolio of subcontracts, including pre-award, award, post-award administration, modification, closeout, and records retention

• Partner with Contracts, Legal, Security, Quality, Finance, IT, and Program teams to develop and execute subcontracting strategies aligned with program requirements, prime contract obligations, company policies, and applicable acquisition regulations

• Oversee subcontractor due diligence, onboarding, risk classification, screening, periodic reviews, and compliance monitoring

• Prepare and issue requests for proposals and other solicitations to subcontractors

• Evaluate subcontractor proposals for price, cost, technical, schedule, contractual, and compliance considerations, as applicable

• Lead proposal analysis, including review of labor rates, indirect rates, assumptions, exceptions, terms and conditions, and cost or pricing information, as appropriate

• Draft, negotiate, and execute subcontracts, subcontract modifications, nondisclosure agreements, teaming-related agreements, and other special agreements

• Interpret and apply applicable Federal Acquisition Regulation (FAR), Defense Federal Acquisition Regulation Supplement (DFARS), prime contract requirements, and subcontract flowdown requirements

• Manage subcontract modifications, changes, deliverables, invoices, funding actions, approvals, and other post-award requirements

• Monitor subcontractor performance, including cost, schedule, technical performance, deliverables, compliance, and overall risk

• Partner with Program Management, Engineering, Finance, Supply Chain, Contracts, Legal, and other stakeholders to resolve subcontract-related issues and support successful program execution

• Support purchasing-system compliance activities, including communications with the Defense Contract Management Agency (DCMA), preparation for Contractor Purchasing System Reviews (CPSRs), audit responses, and remediation activities

• Identify subcontracting risks and recommend mitigation strategies related to pricing, terms and conditions, intellectual property, data rights, cybersecurity, export controls, security requirements, organizational conflicts of interest, and other applicable compliance areas

• Develop and improve subcontracting procedures, templates, tools, and training to increase efficiency, consistency, and scalability

• Maintain appropriate records and evidence to support audits, customer reviews, certifications, and regulatory inquiries

• Serve as a trusted advisor and subject-matter expert on subcontracting matters across the organization

• Utilize purchasing and ERP systems

• Experience using AI‑enabled tools and a strong willingness to learn and apply AI to drive efficiency and improve quality and effectiveness in Contracts and Supply Chain processes

Who you are:

• This position requires the ability to obtain and maintain a US government security clearance, if required for assigned programs, for which US citizenship is needed by the US Government.

• Bachelor’s degree in business, supply chain, contracts, finance, or a related field, plus at least 7 years of relevant experience; equivalent combinations of education and experience may be considered

• Significant experience administering subcontracts in a U.S. government contracting environment

• Experience supporting DoD and/or Intelligence Community customers

• Working knowledge of the FAR, DFARS, federal acquisition principles, and applicable subcontract flowdown requirements

• Experience with multiple contract types, such as firm-fixed-price (FFP), cost-plus-fixed-fee (CPFF), time-and-materials (T&M), labor-hour, and other cost-reimbursement arrangements

• Experience drafting, negotiating, administering, and managing subcontracts and related agreement

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