Buyer Purchasing (Remote Position)

Amentum is seeking a talented Buyer III to support the Intelligence and Cyber business group. This hybrid role is based at our Chantilly, Reston, VA or Aikin, South Carolina office, with remote‑telework when on‑site presence is not required. US citizenship is required to apply.

Responsibilities Responsible for all phases of cradle‑to‑grave procurement, including acquisition planning, source selection, cost/price analysis, negotiation, post‑award administration, and closeout.

Establishes source(s) of supply, negotiates price, delivery dates and other commitments based on authorized requisitions, and ensures compliance with company policies and federal regulations.

Reviews and processes purchase requisitions, prepares procurement reports, contacts suppliers, secures bids, and executes purchase orders in accordance with Amentum procedures.

Evaluates proposals and quotations, determines offer responsiveness, responsibility, and eligibility for award, and conducts discussions and negotiations.

Provides pricing support for business development efforts, maintains procurement records per Contractor Purchasing System Review (CPSR) guidelines, and ensures compliance with FAR/DFARS and Amentum policies.

Conducts purchase order file reviews to support government audits, negotiates and settles claims related to damage, rejections, losses, returns, over‑shipments, and cancellations.

Interfaces and coordinates with subcontractors, service providers, and other internal teams (HR, Finance, AP, Program). Participates in cross‑functional collaboration and tiger teams.

Supports small business goals on assigned subcontracts, coordinates with technical staff, maintains records, and participates in small business outreach activities.

Performs purchase order closeout and other position‑related duties as assigned or requested.

Minimum Qualifications Bachelor’s degree in business administration or related field and at least five (5) years of experience in procurement, subcontracts, supply chain, or related field; or a Master’s degree and at least three (3) years of related experience.

Excellent communication and negotiation skills; working knowledge of SharePoint, Microsoft Office Suite, and integrated software applications.

Preferred Qualifications Experience with Costpoint or similar ERP system, including the purchasing module.

Process improvement experience in a recognized methodology (Agile, Lean Six Sigma, CMMI, ISO).

Experience with AMRO, IBM Maximo, Hyland OnBase, Unanet, IBM Cognos, Deltek Time and Expense, and OnPoint systems.

Capture and proposal support experience; experience negotiating agreements with commercial companies, non‑profits and universities.

Active Top Secret Clearance preferred; candidates without a clearance will be considered if they have the ability to obtain or maintain a US government security clearance.

Work Environment and Physical Demands Typical office environment with no unusual hazards. Occasional lifting to 20 pounds, constant sitting while using a computer terminal, and constant use of sight, speech/hearing, and mental alertness are required. Planning, organizing skills and ability to work under deadlines are essential. May be required to travel domestically and internationally on short notice.

Compensation Salary range: $80,000 – $85,000. Actual compensation may vary based on responsibilities, education, experience, internal equity, market data, collective bargaining agreements, and relevant laws.

Benefits Overview 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 (subject to eligibility)

Equal Opportunity Employer Statement Amentum is a proud equal opportunity employer. Our hiring practices provide equal opportunity for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, marital or domestic partner status, age, ancestry, U.S. military or veteran status, disability, genetic information, national origin, citizenship status, low‑income status, pregnancy, childbirth, or any federal, state, or local law protections.

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