Senior Subcontracts Administrator IRES - SSFB

Position Title: Senior Subcontracts Administrator

Location: Schriever Space Force Base, Colorado Springs, CO

Relocation Assistance: None available at this time

Remote/Telework: NO REMOTE

• Requires a minimum of 2 days, in-person work at either the customer site located on Schriever Space Force Base or the Amentum office.

Clearance Type: DoD Secret

Shift: Day shift

Travel Required: Up to 10% of the time

Description of Duties:

We're looking for a detail-oriented and proactive Senior Subcontracts Administrator to manage and administer a portfolio of subcontractors for Amentum's Missile Defense Division. This role ensures that subcontracting activities are executed in compliance with federal regulations, corporate policies, and contract requirements, while helping to deliver mission-critical support services efficiently and effectively. The Sr. Subcontracts Administrator supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) Contract.

The candidate will be responsible for the following:

Subcontract Management:

• Perform as a proactive, technical expert, overseeing the entire lifecycle of high-value, complex subcontracts. This role requires advanced knowledge of procurement regulations (FAR/DFAR), strategic sourcing, risk mitigation, and technical collaboration to achieve successful outcomes
• Determine appropriate solicitation methods and resultant contract types for a broad range of requirement categories
• Serve as business advisor to task order teams
• Continuously assess existing processes and present suggestions for improvements in compliance, efficiency, risk mitigation, and sound business decisions
• Conduct market research
• 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
• Conduct cost and/or price analysis and provide justification for the award
• Continuously monitor contract status and performance to proactively identify necessity for amendments or extension of contracts. Prepare subcontract modifications, which include coordination of required additions, deletions, or other modifications or formal documentation of communication to/from subcontractors
• Establish, negotiate, and administer subcontracting solutions such as Master Service Agreements (MSA) and Basic Ordering Agreements (BOAs)
• Develop subcontract requirements documents conducive to project-based requirements, with defined objectives, outcomes, and deliverables
• Perform formal closeout of subcontracts after project completion
• Maintain communications to ensure timely contract execution by the parties

Performance Monitoring:

• Administer resulting subcontracts, ensuring that all requirements are performed in accordance with the statement of work and delivery schedules, actively maintaining positive business relationships with subcontractors
• Provide dispute resolution as needed

Compliance and Record Keeping:

• Maintain document files in accordance with Subcontracts Policies and Procedures for internal and external audits
• Ensure final contract documents are consistent with agreements reached at negotiations
• Review the Federal Acquisition Regulation (FAR) and Defense Federal Acquisition Regulation Supplement (DFARS) regularly to ensure contract compliance with government regulations

The successful candidate will:

• Be able to perform tasks successfully with minimum guidance, often 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
• Understand contractual risks to apply to subcontract negotiations

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 10, or more, years of general (full-time) work experience
  • May be reduced with completion of advanced degree
• Must have 5, or more, years of directly related experience in Government contracting
• Must have demonstrated recent contract and/or 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 contract and/or subcontract requirements with little to no prior acquisition history
• Have demonstrated experience developing process improvements and new processes for contract and/or 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.

This position will be posted for a minimum of 3 days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.

Our health and welfare benefits are designed to invest in you, and in the things that you care about. Your health. Your well-being. Your security. Your future. Typical benefits offered include flexible work schedules, educational reimbursement, retirement benefits (401K match), employee stock purchase plan, health benefits, tax saving options, disability benefits, life and accident insurance, voluntary benefits, paid time off and paid holidays, and parental leave.

Compensation Details:
$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:

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:
02/06/2026 - 02/17/2026
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 .