Amentum

Subcontract Administrator III

Amentum • $90K — $120K *
US-Anywhere
+ 4 other locationsRemote
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Business, Supply Chain, or a related field.
  • 5+ years in subcontracting or procurement with federal acquisition knowledge (FAR/DFARS).
  • Proven ability to manage subcontract documentation and compliance.
  • Skilled in price/cost analysis and negotiation strategy.
  • Proficiency in administering various contract types (FP, CR, T&M).
  • Ability to identify risks and implement practical mitigation strategies.
  • Strong communication skills for all organizational levels.

Responsibilities

  • Manage the full subcontract lifecycle from planning to closeout.
  • Administer various subcontract types in compliance with FAR/DFARS regulations.
  • Maintain audit-ready files using procurement systems and manage subcontractor invoicing.
  • Produce key metrics to track performance indicators.
  • Act as the primary liaison between suppliers and internal management.
  • Draft and negotiate subcontracts and modifications according to mandatory FAR/DFARS flowdowns.
  • Issue RFPs and conduct price/cost analyses to ensure compliance and mitigate risks.

Benefits

  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits including 401(k) matching
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Disability and life insurance
  • Pet insurance
Full Job Description

Position Title: Subcontracts Administrator

Remote/Telework: Yes - Remote

Shift: Day Shift

Travel Required: Up to 10% of the time



Amentum is seeking aSubcontracts Administrator (SCA)to manage the full subcontract lifecyclefrom solicitation to closeoutsupporting 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.

Knowledge, Skills, and Abilities

  • Relationship Management:Expertly build and maintain productive partnerships with subcontractors and internal stakeholders.
  • Analytical Reasoning:Strong attention to detail with the ability to interpret complex requirements and apply sound judgment.
  • Strategic Negotiation:Influence positive outcomes through professional negotiation and collaborative partnership.
  • Adaptable Execution:Ability to work independently or collaboratively in fast-paced environments with minimal oversight.
  • Remote Coordination:Effectively support and coordinate distributed teams across multiple time zones

Core Responsibilities

Manage the full subcontract life cyclefrom planning and RFP issuance to negotiation, award, and closeoutensuring alignment with prime contract requirements andAmentumpolicies.Key duties include:

  • Lifecycle Management:Administer various subcontract types (CPFF, T&M, FFP) in compliance withFAR/DFARSregulations.
  • Systems & Compliance:Maintain audit-ready files usingDeltek Costpoint, AMRO, and SharePoint; manage subcontractor time collection and invoicing systems.
  • Performance Tracking:Produce key metrics, including cycle time, aging, burn rates, and closeout status.
  • Stakeholder Engagement:Act as the primary liaison between suppliers and internal management to resolve issues and ensure execution.
  • Contract Administration:Draft and negotiate subcontracts, NDAs, and modifications while applying mandatoryFAR/DFARSflowdowns and terms.
  • Proposal Management:Issue RFPs, evaluate supplier proposals for SOW compliance, and conduct price/cost analyses to mitigate risk.
  • Financial Oversight:Monitor funding ceilings and burn rates, coordinate invoice processing, and support subcontractor timekeeping.
  • Compliance & Guidance:Maintain audit-ready files and provide procurement expertise to cross-functional stakeholders.

Minimum Requirements

Minimum Qualifications & Experience

  • Education:Bachelors degree in Business, Supply Chain, or a related field.
  • Experience:5+ years in subcontracting or procurement; federal acquisition (FAR/DFARS) knowledge required.
  • Technical Skills:Proven ability to manage subcontract documentation, compliance, and file maintenance.
  • Financial Acumen:Skilled in price/cost analysis, scope evaluation, and negotiation strategy.
  • Contract Management:Proficiency in administering FP, CR, and T&M contract types.
  • Risk Management:Ability to identify risks and implement practical mitigation strategies.
  • Communication:Strong professional English communication skills for all organizational levels.
  • Execution:Excellent organizational skills to manage competing priorities and stakeholder reporting.
  • 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.

Minimum Systems & Tools

  • Software:Proficient in Microsoft Office (Word, Excel, PowerPoint).
  • ERPs:Experienced with procurement systems (e.g., CostPoint, SAP, OnBase) and electronic filing.

Compensation Details:

$90,000 - $120,000

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:

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:

09/29/2026 - 10/02/2026

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.

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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