Senior buyer [h1.location_city]

The Buyer is responsible for procurement of materials, components, supplies and / or services for the company in accordance with standard operating procedures, contract requirements and federal acquisition regulations.

Essential Responsibilities :

• Establish source of suppliers, negotiate prices, delivery dates, and other necessary commitments based upon authorized requisitions that maintains consistency with the Program / Requisitioning Unit requirement and compliance with company policies and federal regulations.
• Provide guidance and information to requesters which include communication of procurement actions and assisting with special or complex requirements.
• Maintain procedures to assure follow-up and administration of purchase order and subcontract files.
• Coordinate requisition requirements with requesters.
• Assist in the preparation of reports internally and for customers to comply with various laws, company policies and standard operating procedures.
• Evaluate bids, selecting and recommending suppliers.
• Review purchase requisitions and place orders with approved suppliers for routine and more complex purchases.
• Negotiate price, quality and delivery dates and terms / conditions.
• Negotiate and settle with suppliers regarding damage claims, rejections, and losses, return of materials, over-shipments, and cancellations.
• Expedite supplier deliveries to ensure on time commitments.
• Resolve invoice discrepancies in collaboration with Accounts Payable.
• Provide pricing in support of Business Development efforts.
• Responsible for signature authority level increases, in line with Company procedures.
• Responsible for signature authority level increases, in line with Company procedures.
• Report and upload data into SCMS, ACMS and Procurement SharePoint sites as required.

Perform all other position-related duties as assigned or requested.

Minimum Requirements :

Position may require the ability to pass and maintain a Security Clearance .

Preferred Qualifications :

Compensation Details :

65,000

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 :

01 / 08 / 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 .