Process Engineer

Posted Yesterday
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Oak Ridge, TN, USA
In-Office
100K-150K Annually
Senior level
Security • Cybersecurity
The Role
Designs projects as part of an engineering team and performs and formally documents process engineering calculations. The role requires process equipment specification experience, project and nuclear engineering experience, and professional chemical engineering licensure. Preferred experience includes nuclear material or uranium processing, managing engineers and designers, and Q clearance eligibility. The position supports office or remote work, with quarterly travel to Oak Ridge for remote employees.
Summary Generated by Built In

Mid-Level Process Engineer


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 currently seeking a Process Engineer to support our Oak Ridge, Tennessee office. The Process Engineer will be part of a team of engineers in the design phase of projects. Additionally, you will perform and formally document Process Engineering calculations.


Work Location:

This position is designed to support either in-office or remote work, with a strong preference for the successful candidate to work from Amentum's office in Oak Ridge, Tennessee. Employees who reside within 50 miles of Oak Ridge will be expected to work from the Oak Ridge office. Employees who live more than 50 miles away are eligible for a remote work arrangement; however, remote employees must travel to the Oak Ridge office on a quarterly basis. Those working remotely are required to maintain a company-approved secure workspace that meets all client security requirements and is located within the United States. This U.S.-based secure work location requirement applies to all projects associated with the position.


Qualifications

  • 7 or more years of experience
  • Must be a U.S. Citizen
  • Degree in Engineering from ABET-accredited college or university program
  • Licensed Professional Chemical Engineer with ability to obtain licensure in TN
  • Process Equipment specifications
  • Experience in Project Engineering and Nuclear Engineering

 Preferred Experience Includes

  •  Nuclear material processing
  • Q clearance or eligibility to obtain a “Q”
  • Uranium processing experience
  • Prefer someone already residing near the Oak Ridge, TN area
  • Experience managing the work of other engineers and/or designers
  • MS in Engineering from ABET-accredited college or university program

Essential Functions:

Intermittent sitting, walking, standing, bending, squatting, climbing, kneeling, twisting, and lifting. Lifting requirements limited to 20 lbs. in the form of supplies, drawings, etc. Longest distance carried of 50 feet. Hand manipulation is required for simple grasping, pushing and pulling, and fine manipulation. Right and/or left hands utilized. Occasional need to reach and/or work above the shoulder, for supplies, as well as below the shoulder for same. Occasional need to walk on uneven ground, exposure to dust, gas or fumes, exposure to noise, extremes in temperature or humidity. We help prepare people for new opportunities and challenges. With positions at every level, openings in multiple disciplines, expertise in a range of markets and offices around the globe, we create an environment where you can learn, grow, and thrive. From our competitive benefits program to our Health and Safety initiative of zero workplace injuries.



       

Compensation Details:

$100,000 - $150,000

       

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:

10/29/2026 - 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.

Skills Required

  • Seven or more years of experience
  • U.S. citizenship
  • Engineering degree from an ABET-accredited college or university program
  • Licensed Professional Chemical Engineer with ability to obtain licensure in Tennessee
  • Experience with process equipment specifications
  • Experience in project engineering and nuclear engineering
  • Nuclear material processing experience
  • Q clearance or eligibility to obtain a Q clearance
  • Residence near Oak Ridge, Tennessee
  • Experience managing the work of engineers and/or designers
  • Master’s degree in Engineering from an ABET-accredited college or university program

Amentum Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.

  • Healthcare Strength — Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
  • Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
  • Leave & Time Off Breadth — Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.

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The Company
HQ: Chantilly, VA
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

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