Demo

Mechanical Engineer

Pantex Plant
Amarillo, TX Full Time
POSTED ON 12/31/2025
AVAILABLE BEFORE 1/29/2026
Location: Amarillo, TX

Job Title: Mechanical Engineer

Career Level From: Associate

Career Level To: Senior Associate

Organization: Eng Commercial Constr Office (51424741)

Job Specialty: Core Engineering

What You'll Do

The candidate will be responsible for developing high quality detailed design packages, providing engineering procurement and field technical support to implement those designs, and providing expertise for troubleshooting and technical assessments of plant systems. Design involves the preparation of conceptual engineering deliverables such as cost-estimating bills of material and man-hour estimates, statements of work, design criteria, and title II engineering deliverables including preparation of calculations and analyses, construction specifications & drawings, and equipment specifications. Candidate must effectively and cooperatively work as a team member of an integrated project team, or as a technical lead for a multi-discipline task and will routinely provide input to system engineers and other plant customers. The engineer will routinely perform walkdowns in the existing plant facilities in order to generate design documents and provide field support to craft personnel.

The Engineer shall be responsible for interpreting, organizing, and executing assignments and engineering design for process piping, utility piping systems, high-efficiency particulate air (HEPA) filtration, exhaust systems, dehumidification, and air conditioning in support of nuclear and non-nuclear projects at Pantex. A strong candidate for this position should have experience with design in systems such as potable water and fire-protection supply systems, gases, acid and caustic fluids, brines, cryogenics, steam and condensate, hot and chilled water systems, chillers, boilers, cooling towers, and vacuum systems as well as design of duct systems, ventilation/exhaust systems, and the basic installation of mechanical heating, ventilation, and air conditioning (HVAC) equipment. Additional experience in performing computer hydraulic (steady-state and transient) analysis, computer pipe stress analysis, and support selection/design is desired.

What You Can Expect

  • Meaningful work and unique opportunities to support missions vital to national and global security
  • Top-notch, dedicated colleagues
  • Generous pay and benefits with a stable organization
  • Career advancement and professional development programs
  • Work-life balance fostered through flexible work options and wellness initiatives

Minimum Job Requirements

  • Bachelor's degree in Mechanical Engineering or a related field with a minimum 3.0/4.0 cumulative Grade Point Average (GPA) and 4 years of relevant experience
  • OR a Master's degree in Mechanical Engineering or a related field with a minimum 3.3/4.0 cumulative GPA and 2 years of relevant experience
  • OR a PhD in Mechanical Engineering or a related field with a minimum 3.5/4.0 cumulative GPA
  • There is a minimum Grade Point Average (GPA) requirement up to 4 years post-graduation at time of offer and confirmed by transcript
    • Beyond four years from graduation, engineering experience will supersede GPA as a requirement for hire
Department of Energy (DOE) Order 426.2A Requirements

  • In addition, the applicant must meet the requirements of DOE O 426.2 (i.e., Baccalaureate in engineering or related science, 2 years job-related and at least 1 year nuclear experience, or a DOE O 426.2 alternative). DOE 426.2 experience requirements can be satisfied following employment. In the interim, newly hired personnel will not be assigned duties that could impact the safety basis of nuclear facilities. (Ref. DOE O 426.2)

Preferred Job Requirements

  • Bachelor of Science in Mechanical Engineering from an Engineering Accreditation Commission (EAC) Accreditation Board for Engineering and Technology (ABET) accredited program in the United States or designated equivalents from Canada or Mexico, the Washington Accord, or the list of substantially equivalent as documented by ABET
  • Professional Engineering License (PE) is preferred but not required
  • Knowledgeable in respective technical standards, principles, theories, concepts, and techniques
  • Demonstrated technical capabilities, leadership, and work ethic
  • Ability to work in a project team environment and communicate well with other disciplines, customers, and stakeholders
  • Ability to follow procedures and work within a rigorous work process
  • Ability to estimate, plan, and track progress for preparation of discipline deliverables
  • Good written and oral communications skills
  • Capable of handling classified information

#JointheMission: Your Impact Starts Here

At Pantex, you won't just find a job—you’ll discover a career of purpose safeguarding national security through work performed nowhere else on Earth. We empower dedicated, innovative individuals like you to achieve their greatest impact surrounded by exceptional talent and limitless opportunities for professional growth.

When you #JointheMission, you choose a lifetime career where your commitment is genuinely valued and rewarded. At Pantex, we believe that extraordinary talent thrives when supported by a balanced life. Discover the flexibility that empowers you to excel, coupled with a benefits package designed for your total peace of mind from comprehensive health coverage and robust retirement planning, to opportunities for continuous learning through education reimbursement.

Notes

The minimum education and experience for the lowest career level in the job posting range are listed under Minimum Job Requirements. Successful candidates hired into a higher career level than the minimum in the range must meet the requirements listed in the job leveling charts for the career level into which they are being hired.

If a range of Career Levels is posted, i.e., Senior Associate to Senior Specialist, internal applicants already in one of the Career Levels would come across at their current Career Level. Internal applicants currently in a lower level Career Level would move to the lowest posted Career Level.

Requires a Q clearance; however all qualified candidates will be considered regardless of their current clearance status. The ability to obtain and maintain a Department of Energy Q clearance is required.

Position may require entry into Materials Access Areas (MAA) and participation in the Human Reliability Program (HRP). If HRP is required, candidate must complete a counterintelligence-scope polygraph, pursuant to 10 CFR 709. Medical requirements may apply.

Pantex is a drug-free workplace. Candidates accepting a job offer will be required to pass a pre-placement physical, drug screening and background investigation. As an employee, you may be required to receive and maintain a security clearance from the United States Department of Energy in order to meet eligibility requirements for access to sensitive information or matter. U.S. citizenship is a requirement for security clearance applicants. All employees are subject to being randomly selected for drug testing without advance notification.

Pantex is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, age, religion, national origin, ancestry, genetic information, disability or veteran status.

Salary.com Estimation for Mechanical Engineer in Amarillo, TX
$78,161 to $94,133
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