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Development Engineer; Mechanical Engineer

Job in Oak Ridge, Anderson County, Tennessee, 37830, USA
Listing for: Y-12 National Security Complex
Full Time position
Listed on 2026-02-28
Job specializations:
  • Engineering
    Mechanical Engineer, Process Engineer, Quality Engineering, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Development Engineer (Mechanical Engineer)

Location: Oak Ridge, TN

Job Title: Development Engineer (Mechanical Engineer)

Career Level From: Senior Associate

Career Level To: Senior Specialist

Organization: Alternate Mtls Proc & Tech )

Job Specialty: Core Engineering

What You'll Do

This position requires the application of technical principles in the fields of mechanical engineering, vacuum sciences, material sciences; emerging technologies, theories, and concepts. Candidate must have the ability to interpret engineering requirements, write technical reports; implement advanced techniques for processing and characterizing ceramics, polymers, and other materials; gather, analyze and interpret test results; independently and accurately organize and track test data;

perform duties as a project lead; coordinate and prepare technical aspects of technical projects from inception to completion including project reviews; and conduct formal presentations to plant personnel and other interested parties.

  • Performs difficult and complex technical assignments involving ceramics, fluids, processing, process equipment, purification and/or material analysis. This can include process capability for new equipment; design of experiments; FEA load calculations; coordination with modeling team to test new variables.
  • Participate in the development, research, and design of process improvements which may include new technologies or modification to existing technologies.
  • Design, fabricate and test tooling and fixtures that can include steel, aluminum, graphite, ceramics, polymers, high-performance alloys, etc.
  • Propose, design and execute solutions to complex problems in the field of mechanical engineering.
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 of Science in Engineering/Physical Science [Chemistry, Physics, or related] from an Engineering Accreditation Commission (EAC) Accreditation Board of 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 AND 2 years of relevant experience. OR MS in Engineering /Physical science.

    OR PhD in Engineering /Physical science.
  • 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.
    • 3.0/4.0 minimum cumulative GPA for Bachelor degree
    • 3.3 minimum cumulative GPA for Master degree
    • 3.5 minimum cumulative GPA for PhD
Preferred

Job Requirements
  • Bachelor's degree in engineering/physical science discipline with a minimum 7 years of relevant experience, OR Master's Degree with a minimum 5 years of relevant experience OR a Ph.D. with a minimum of 2 years of relevant experience.
  • Bachelor's, Master's, or PhD in mechanical engineering/physical science discipline.
  • Experience with Solidworks, ANSYS, JMP, and Microsoft Suite.
  • Ability to test new processes, materials and technologies including some automation.
  • Experience implementing new technology, machines or materials.
Why Y-12?

We encourage employees to achieve a healthy personal balance among home, work and the community. One of the ways we embrace work-life balance is by offering flexible work arrangements that provide alternatives to the traditional workweek, while still meeting business needs. Top talent and personal commitment mean more to our success than any other factors, so we reward our people with the kinds of benefits that make a positive difference in the quality of their lives.

Benefits such as: medical plan, prescription drug plan, vision plan, dental plan, employer matched 401(k) savings plan, disability coverage, education reimbursement and many more. Want to stay healthy and fit but hate the cost of a gym membership? Take advantage of one of our onsite workout facilities and eat healthy in our onsite cafeterias. Much more than a workplace, at Y-12, you can build a career that lasts a lifetime.

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…

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