Amentum

Buyer III

Amentum • $82K — $95K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree and 5+ years experience, or Master's degree with 3+ years experience, or equivalent.
  • Active U.S. government SECRET security clearance.
  • Local applicants only, able to work in a hybrid role (3 days in office/2 days remote).
  • Strong understanding of materials procurement and supply chain principles.
  • Ability to solve complex problems independently.

Responsibilities

  • Purchase and evaluate a variety of materials and services consistently.
  • Select and negotiate with suppliers regarding price, quality, and delivery.
  • Follow up on purchases until order completion to ensure satisfaction.
  • Resolve issues with suppliers regarding claims, rejections, and cancellations.
  • Conduct on-site evaluations of suppliers' production capabilities.

Benefits

  • Health, dental, and vision insurance.
  • Paid time off and holidays.
  • Retirement benefits, including 401(k) matching.
  • Educational reimbursement and support for continuing education.
  • Employee stock purchase plan and tax-saving options.
Full Job Description

Position Title: Buyer III

Location: 13923 Captain W.J. Nelson Drive, Odon, IN 47562

Relocation Assistance: None available at this time

Remote/Telework: Hybrid (3 onsite/2 remote)

Clearance Type: ACTIVE U.S. Government Secret security clearance

Shift: Day shift

Compensation: $82,000 - $95,000


The Buyer III will support research and development efforts for Counter-Unmanned Systems (C-UxS) programs.


Responsibilities: Purchases a variety of materials, supplies and services. Evaluates bids, selects and recommends suppliers and negotiates price, delivery, quality and service. Follows up on all awards until completion of order. Negotiates and settles with suppliers regarding damage claims, rejections, losses, return of materials, over shipments, cancellations and engineering changes. Conducts supplier site visits and rates them as to production capability, performance and delivery.


  • Summary: Amentum is seeking a professional with a strong skill set and growing expertise, trusted to lead complex work and contribute to broader team or project goals.
  • Scope, Knowledge & Application: Applies substantial understanding of the job to complete job duties and responsibilities. Possesses a thorough understanding of principles, concepts, practices, and standards in area of specialization.
  • Complexity & Problem Solving: Works on problems of a diverse scope where analysis requires evaluation of factors. Independently selects methods and techniques to resolve a variety of complex problems.
  • Collaboration & Interaction: Builds an in-depth network with personnel both within and outside of functional area.
  • Degree of Supervision: Normally receives little to no instructions on routine work, and may occasionally receive general instructions on new projects or assignments. Work may be reviewed upon completion for consistence with departmental objectives.

Minimum Requirements:

  • Bachelor's degree and 5+ years experience or a Master's degree and 3+ years experience, or equivalent.
  • Local applicants with the ability to support a hybrid role (3 days in office/2 days remote).
  • Must possess an Active U.S. government SECRET security clearance. (Note: US citizenship is required to maintain a Secret clearance.)



Compensation Details:

$82,000 - $95,000

       

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:

09/29/2026 - 10/04/2026

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.

       

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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