Amentum

Lead Subcontract Administrator

Amentum$123K — $148K *
Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • 12+ years of general work experience required
  • 8+ years of directly related experience
  • 2+ years in a management or leadership role
  • Proficient in Microsoft Office and SharePoint
  • Active DoW Secret Security Clearance required or must be obtained

Responsibilities

  • Prepare solicitation documents and define solicitation methods
  • Analyze and negotiate subcontractor proposals
  • Provide analysis of pricing strategies and contract terms
  • Establish and negotiate Master Service Agreements
  • Administer and ensure compliance of subcontracts
  • Conduct formal closeout of completed subcontracts
  • Evaluate contract performance and manage disputes

Benefits

  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits with 401(k) matching
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance
Full Job Description
Position: Lead Subcontract Administrator

Location: Schriever Space Force Base, Colorado Springs, CO; Redstone Arsenal, Huntsville, AL; Dahlgren, VA; Fort Belvoir, VA; Vandenberg, CA, or Fort Greely, AK

Relocation Assistance: None available at this time

Remote/Telework: Yes, U.S. CONUS locations

Clearance Type: DoW Secret

Shift: Day shift

Travel Required: Up to 10% of the time

The Lead Subcontract Administrator supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. The candidate will:
  • Prepare solicitation documents, determine correct solicitation method, and determine sources to be solicited.
  • Analyze and evaluate Task Order and subcontractor proposals, negotiate deviations from work statements, schedule, and terms and conditions, acting as the primary POC interfacing with subcontractors and project team leadership.
  • Provide value-added analysis of solicitations, pricing strategies, contract terms and conditions. Identify risks as well as mitigation alternatives.
  • Establish and negotiate unique subcontracting solutions such as Master Service Agreements (MSA).
  • Maintain document files in accordance with Subcontracts Policies and Procedures for internal and external audits.
  • Conduct cost and/or price analysis and provide justification of award.
  • Coordinate cross functionally to meet internal and external requirements and deadlines.
  • Manage subcontract modifications, which includes coordination of required additions, deletions, or other modifications or formal documentation of communication to/from subcontractors.
  • Administer resulting subcontracts, ensuring that all requirements are performed in accordance with the statement of work and delivery schedules.
  • Perform formal closeout of subcontracts after project completion.
  • Review subcontractor invoices to ensure they are in accordance with the negotiated terms and conditions.
  • Maintaining communications to ensure timely contract execution by the parties.
  • Ensure final contract documents are consistent with agreements reached at negotiations.
  • Review FAR and DoD Supplement regulations regularly to ensure contract compliance with government regulations.
  • Evaluate contract performance to determine necessity for amendments or extension of contracts.
  • Provide dispute resolution as needed to include developing and tracking to closure Letters of Concern.
  • Coordinate activities and participate in fact-finding meetings.
  • Work closely with proposals and technical team on Statement of Work (SOW), Purchase request submission, and obtaining competition from vendors/suppliers.
  • Maintain and present subcontractor specific metrics to leadership including items such as the total awarded value by subcontractor, average times between different process steps, etc.


The successful candidate will:
  • Be able to perform tasks successfully with minimum guidance under short timelines and must have the ability to manage shifting work priorities.
  • Be responsive, flexible, organized, have a strong attention to detail.
  • Be a highly motivated self-starter with the ability to work independently and with others in a collaborative environment.
  • Have excellent written/verbal communication and interpersonal skills.
  • Be able to mentor and manage subcontract administrators.
  • Understanding of contractual risks to apply to subcontract negotiations.
  • Working knowledge of all contract types including IDIQ, CPIF, T&M, firm-fixed price, and demonstrated ability to execute
  • and interpret federal regulations within contracts.


Resumes, in month and year format, must be submitted with application in order to be considered for the position. The selected candidate may be assigned as an employee for one of our teammate companies.

Basic Requirements:
  • Must have 12, or more, years of general (full-time) work experience

>May be reduced with completion of advanced education
  • Must have 8, or more, years of directly related experience
  • Must have 2, or more, years of experience working in a management or leadership role
  • Proficient in Microsoft Office Applications (Word, Excel, and Outlook), and SharePoint
  • Must have, or obtain, an active DoW Secret Security Clearance
  • Ability to travel up to 10% of the time


This position is expected to pay $123,000 - $148,000 annually; depending on experience, education, and any certifications that are directly related to the position.

Compensation Details:
$123,000 - $148,000

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:
08/20/2026 - 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.

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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