Subcontracts Administrator I

Responsibilities

• Administer various types of subcontracts and purchase orders from issuance through close-out
• Manage modifications, amendments, and funding updates to ensure alignment with scope and budget
• Track subcontractor spend and monitor financial performance against committed expenditures
• Validate subcontractor invoices for compliance with terms, conditions, and rate verifications
• Maintain complete, audit-ready subcontract files including justifications and correspondence
• Coordinate with vendors, procurement, finance, and program teams to resolve service or material issues
• Support internal and external audits by preparing necessary documentation and responding to inquiries
• Prepare and analyze reports using systems such as Maximo, OnPoint, or Power BI

Requirements

• 3+ years of relevant experience in subcontract administration, procurement, or contracting
• Bachelor's degree in Business Administration, Supply Chain Management, or a related field preferred
• Strong knowledge of commercial contracting principles and various subcontract types
• Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Visio, SharePoint)
• Strong analytical, negotiation, and organizational skills
• Excellent professional oral and written English communication skills

Preferred Qualifications

• Experience with ERP systems such as Costpoint, Maximo, OnBase, or OnPoint
• Familiarity with FAR/DFARS regulations
• Exposure to U.S. Government contracting environments

About the Company

Amentum delivers agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees across seven continents, we tackle the world’s toughest challenges through a broad range of operational support services.