Sr. Subcontracts Project Manager

Job description

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Amentum is currently seeking an Sr. Subcontracts Project Manager to support the DHS/ICE Camp East Montana contract in El Paso, TX. Purpose and Scope: Responsible for leading the Subcontract Management Team on site as the liaison between the Subcontract Administrators, Program Management, and Operations. Overall responsible for the cost, schedule and technical execution of the subcontractors. Expected to actively manage suppliers in delivering the services and projects on schedule, and develop and implement corrective actions when necessary. This is a senior level position that will be expected to possess a wide range of experience and an advanced understanding of government subcontracting, work independently and develop solutions to resolve complex issues, lead efforts to support team and organizational goals, exercise excellent judgement and business acumen, frequently collaborate with stakeholders, other departments, and senior leadership. Represent Subcontracts and partner with onsite Program Leadership and Functional Area leads on strategy, integration, compliance, oversight, and status of subcontractor activities. Essential Responsibilities: Coordinate, develop and produce subcontract documentation such as SOWs, action plans, Purchase Requests, reports, and correspondence. Assist in evaluating proposals, responsiveness, responsibility, and eligibility for award, and identify clarifications. Monitor and track subcontractor deliverables, including invoices. Review and process purchase requisitions. Support and conduct subcontract onsite surveillance reviews, Quality checks, and Government audits. Coordinate with accounting and finance departments in administering subcontract invoicing and payments. Ensure compliance with SOW requirements, proper NDS requirements, OSHA and any other onsite requirements. Coordinate with Subcontract Administration and / or Quality to identify non-conformances and corrective actions to closure. Interface and coordinate with subcontractors and service providers, as well as Amentum HR, Finance, AP, and Program teams. Participation in cross-functional collaboration and tiger teams. Build and enhance relationships with key stakeholders to include Program Management, Operations, Subcontractor leads, Contracts, Finance, and others. Develop key reporting tools for performance indicators on program and coordinate with Program Operations team. Perform all other position related duties as assigned or requested. Minimum Knowledge, Skills, and Abilities: Bachelor's degree in Business Administration, or related field, and ten (10) years of experience in subcontracts or supply chain or related field, or a Master’s and eight (8) years is required; two (2) years of experience in related field may be substituted for each year of the four (4) years of college. For this role, at least five (5) years of prior experience must be directly with subcontract management. Experience with various subcontract types (Cost-Plus, Fixed Price, Time & Materials, and subsets thereof). Preferred Knowledge, Skills, and Abilities: Experience with Costpoint or similar ERP system, to include use of the purchasing module. Excellent communication and negotiation skills and advanced knowledge of Sharepoint, Microsoft Office Suite, and integrated software applications are required. Capture and Proposal support experience. Knowledge of construction contracts, facility operations, and facility development, including but not limited to payment and performance bonds and insurance, and site development and expansions. Experience supporting DHS, ICE, or detention operations is preferred. Work Environment, Physical Demands, and Mental Demands: Unique working environment in El Paso, TX. Working conditions at assignment location is exposed to weather and dust. Occasional lifting up to 20 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness; must possess planning/organizing skills and be able to work under deadlines. ONSITE in El Paso, TX required. NO REMOTE WORK. Other Responsibilities: Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams. Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities. Procedure Compliance - Each employee must read, understand, and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to job. Compensation Details: TBD 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: 08/06/2026 - 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. 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 .