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Machining Process Engineer

Consolidated Nuclear Security

Job Location:

Oak Ridge, TN - USA

Monthly Salary: Not provided by the employer

Posted: 29 September 2026 (17 hours ago)

Application Deadline: 27 December 2026

Vacancies: 1 Vacancy

Job Summary

Location: Oak Ridge TN
Job Title: Machining Process Engineer
Career Level From: Senior Associate
Career Level To: Senior Specialist
Job Specialty: Core Engineering

What Youll Do

Process Engineers function as the Subject Matter Expert (SME) on weapon operation processes and associated procedures. They perform duties and tasks that are vital to ensuring the reliability and integrity of the nations nuclear weapons stockpile.

Process Engineers develop maintain and lead implementation of new weapon processes and changes on existing weapon processes. Process Engineers perform process studies and evaluations and lead efforts to resolve technical issues that may impact production quality efficiency capability and capacity. They participate and advise in training to operations personnel and maintain technical content in work control documents such as process descriptions and/or product specifications. They ensure weapon operation processes comply with customer specifications and requirements including Design Agency requirements and safety basis requirements. Process Engineers are responsible for achieving approval for readiness assessments on new processes including supervision during the conduct of start-up plans and ensure tests are conducted as written.

Position will support machining/fabrication operations in a production environment.

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. (Advanced degrees require a technical undergraduate degree.)
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 Bachelors degree.
- 3.3 minimum cumulative GPA for Masters degree.
- 3.5 minimum cumulative GPA for Ph.D.
In addition the applicant must meet the requirements of DOE O 426.2A (i.e. Baccalaureate in engineering or related scientific major 2 years job-related and 1-year nuclear experience; or a DOE O 426.2A alternative). DOE 426.2A experience requirements can be satisfied following the interim newly hired personnel will not be assigned duties that could impact the safety basis of nuclear facilities. (Ref. DOE O 426.2A)

Preferred Job Requirements

Bachelor of Science in Engineering (Mechanical Engineering Industrial Engineering Material Science/Metallurgical Engineering) with manufacturing experience of at least 5 years.
Must demonstrate the ability to handle complex assignments and to have good oral and written communication skills. Must be willing to work in a production environment and be able to interact and communicate clearly with hourly employees as well as technical personnel and management.
Requires significant amounts of time in production environments.
Candidate must be capable of performing technical assignments requiring originality and exhibit independence in utilizing engineering knowledge and experience.
Must be able to review and analyze data and use statistical process control techniques.
Must be able to interpret mechanical drawings and dimensional inspection results per GD&T/ASME Y14.5.
Experience preferred in one or more of the following: CNC machining/grinding CNC programming 3D modelling continuous improvement etc.

Why Y-12

You get #morethanajob. 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 candidates will be considered regardless of their current clearance status. The ability to obtain and maintain a Department of Energy Q clearance is required.

This position may require entry into the Material Access Areas (MAA) and participation in the Human Reliability Program (10 C.F.R. Part 712) which requires successful competition of a DOE counterintelligence evaluation and may include a counterintelligence-scope polygraph examination.

This position may be categorized as a designated position identified by 10 C.F.R. Part 709 requiring successful completion of a DOE counterintelligence evaluation that may include a counterintelligence-scope polygraph examination.

CNS 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.

CNS is an equal opportunity employer. All qualified applicants will receive consideration for employment based on merit and without regard to race color religion sex sexual orientation national origin protected veteran status or disability.

Required Experience:

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