Staff Engineer-Principal Engineer (Nuclear Safety Engineer)

United Cleanup Oak Ridge, LLC; Oak Ridge (TN); On-site; USD 100,000 - 140,000; Full time

Job summary

UCOR seeks a Nuclear Facility Safety Engineer for ORNL in Oak Ridge, TN. The role requires a BS in engineering and 7+ years of safety experience, including ability to obtain a Q clearance.

You will develop safety basis documents, perform calculations, and support unreviewed safety determinations for complex projects. Responsibilities include producing safety products, applying relevant software, and ensuring compliance with safety policies.

Qualifications

• BS in an appropriate engineering discipline from a four-year accredited college or university.
• 7+ years of experience required.
• Ability to obtain a Q clearance.
• Ability to become qualified in Unreviewed Safety Question Determination Preparer/Reviewer; Unreviewed Change Determination Preparer/Reviewer; Nuclear Facility Safety Engineer within one year of hiring.

Responsibilities

• Prepares Nuclear Facility Safety products such as calculations, scopes of work, and hazard identification and analysis in support of new or modified safety basis documents.
• Support project and functional Unreviewed Safety Question and Unreviewed Change Determinations for assigned work packages and procedures. Follows procedures in the development of Nuclear Facility Safety products.
• May provide technical support in the areas of operations, maintenance, inspections and tests, and configuration management for assigned facilities and/or projects.
• Understands and uses computer software and applications associated with Nuclear Facility Safety assignments.
• Complies with company’s safety awareness program, office and/or field safety policies.
• Develops an understanding of therole ofeach functional area within the company.
• Conforms to company core values.
• Acts with integrity in all elements of responsibility.
• Expresses ideas clearly and listens effectively to the ideas of others.

Education

BS in an appropriate engineering discipline

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

NGF SAL FT Professionals

10 days ago Requisition ID: 2790

Classification Title:

Grade:

26-28 (depending on experience)

Requisition No.:

2790

Number of Positions:

1

Location:

Oak Ridge, TN

Organization:

Department:

Nuclear & Criticality Safety

Project Assignment:

ORNL

Posting Date:

9/9/2026

Closing Date:

Duties:

As one of the groups Nuclear Facility Safety Engineers, support is provided to facilities and projects to review current and new work packages and develop or update the safety basis documentation along with all supporting calculations and reports. Must be able to communicate with project personnel to understand the project needs and translate both into the safety-based documents and work packages. Good oral and written communications skills are mandatory.

PRINCIPAL RESPONSIBILITIES (FOR ALL GRADE LEVELS):

• Prepares Nuclear Facility Safety products such as calculations, scopes of work, and hazard identification and analysis in support of new or modified safety basis documents.
• Support project and functional Unreviewed Safety Question and Unreviewed Change Determinations for assigned work packages and procedures. Follows procedures in the development of Nuclear Facility Safety products.
• May provide technical support in the areas of operations, maintenance, inspections and tests, and configuration management for assigned facilities and/or projects.
• Understands and uses computer software and applications associated with Nuclear Facility Safety assignments.
• Complies with company’s safety awareness program, officeand/or field safety policies.
• Develops an understanding of therole ofeach functional area within the company.
• Conforms to company core values.
• Acts with integrity in all elements of responsibility.
• Expresses ideas clearly and listens effectively to the ideas of others.

Job-Related Qualifications Required:

Education:

BS in an appropriate engineering discipline from a four-year accredited college or university

Experience:

7 + years of experience required.

Ability to obtain a Q clearance.

Ability to become qualified in the following areas: Unreviewed Safety Question Determination Preparer/Reviewer; Unreviewed Change Determination Preparer/Reviewer; Nuclear Facility Safety Engineer within one year of hiring.

Relocation:

YES

UCOR prohibits smoking in enclosed areas, including company vehicles.

NOTE 1:

Candidates eligible for 3161 status must so indicate on their résumé or cover sheet and provide a copy of their 3161 Preference-In-Hiring Eligibility form with their résumé. Section 3161 of the National Defense Authorization Act requires UCOR to give preference-in-hiring to qualified 3161 eligible displaced Department of Energy (DOE) contractor employees before other external hiring on DOE-funded work is considered. To be 3161 eligible, you must have worked for a DOE contractor on or before September 27, 1991.

NOTE 2:

Only web applications will be considered.