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Open nowPosted 2 days ago

Early Career Mechanical Process Engineer

PAE1,695 open roles

Where
US TN Tullahoma
Work mode
On site
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Your applicationOpen nowEarly Career Mechanical Process EngineerPAE · US TN Tullahoma

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market. PAE postings stay open a median of 7 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: posted 2 days ago

PAE median: 7 days open

The posting

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities.

We are seeking an Early Career Mechanical Process Engineer to join Amentum’s Advanced Solutions Group. Candidates may be based at either our Tullahoma, TN; Farmington Hills, MI; or Greenville, SC office.

Our Advanced Solutions Group delivers the design, construction, and operation of unique and complex research and development facilities across the nuclear, automotive, motorsports, defense, and aerospace industries. Our team has supported an impressive range of clients, including Audi, Boeing, BMW, Fiat Chrysler, Ford, Honda, General Motors, NASA, the U.S. Air Force, U.S. Navy, U.S. Department of Energy, Volkswagen, and organizations throughout North America, Europe, and Asia.

Most of your designs will be unique, and you will usually be working on several projects at one time in a dynamic, challenging, and even fun environment. This position will provide you with an exciting opportunity to work on projects as part of a multi-discipline team of professionals. We are looking for a mechanical process engineer who will work to ensure client satisfaction and deliver key projects within scope, budget, and schedule.

Essential Responsibilities:

  • Work as part of project teams to develop new process system designs supporting research and test facilities.
  • Under the direction of a Senior Engineer, plan, schedule, conduct, and coordinate engineering work through the selection, adaptation, and modification of engineering techniques, procedures, and criteria.
  • Analyze design features and project requirements while applying sound engineering principles and best practices.
  • Develop technical reports and presentations for project management teams and clients.
  • Collaborate closely with structural, machine design, controls and instrumentation, and aerodynamics/fluid dynamics engineers.
  • Size and specify piping and ducting systems and components, including the selection of compressors, pumps, fans, valves, flow measurement devices, and fluid conditioning equipment.
  • Design:High-pressure cryogenic and pneumatic piping systems. High-temperature systems, including steam systems. Refrigeration, vacuum, and fuel systems. Specialty HVAC systems and components.
  • Work in a fast-paced environment with aggressive deadlines while maintaining high-quality standards.
  • Support the Project Manager and Senior Engineer in ongoing design and engineering efforts.
  • Participate in internal and external meetings, as well as design reviews, with project team members and clients.
  • Gather information, interview stakeholders, conduct studies, perform calculations, and prepare preliminary layouts and sketches as required.
  • Develop engineering calculations and specifications and support the creation of engineering drawings.
  • Work effectively within a multidisciplinary team to meet project budgets, schedules, and performance objectives.

Required Qualifications:

  • US citizenship is required to comply with government customer requirements and/or applicable government regulations.
  • A Bachelor of Science in Mechanical, Aerospace, or a related engineering field from an ABET-accredited program.
  • Self-motivated with the ability to work effectively both independently and collaboratively.
  • Ability to work successfully within a multidisciplinary team environment.
  • Strong mechanical and process engineering analytical skills.
  • Excellent oral and written communication, technical problem-solving, and organizational skills, with a self-motivated and team-oriented approach.
  • High ethical standards and a strong commitment to self-development, teamwork, and desire to work.
  • Experience managing project scope, schedules, and budgets.
  • Knowledge of AMSE B31.1 and B31.3 and ASME B&PV Code.
  • Knowledge of thermodynamics, fluid flow – compressible and incompressible, thermal sciences, and process systems.

Preferred Qualifications:

  • FE/EIT certification.
  • Prior design experience with process systems.
  • Experience in the design and/or maintenance of mechanical process systems.
  • Experience with AutoCAD, AutoPipe, Caesar II, Mathcad, Creo, and AFT.
  • Previous DOE nuclear, DoD, NASA, or test facility experience.

Description of Work Environment:

  • Work will mainly be performed in an inside-office environment.
  • Field work may be required, including climbing test stands and working around machinery.
  • Travel may be required to support design reviews, attend factory acceptance testing of equipment, support construction activities, and provide onsite support for startup and commissioning activities.

Compensation Details:

$70,000 - $90,000

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:

10/21/2026 - 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.

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