Senior Nuclear Engineer

Senior Nuclear Engineer – Omega Technical Services

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At Omega Technical Services, every role supports a mission that matters. Whether you're advancing national security, driving innovation in nuclear infrastructure, or supporting critical DOE and DoD operations, you’re part of something bigger here.

USD $ - USD $ / Yr.

This is a forecasted opportunity for upcoming work**

Omega Technical Services is seeking a highly motivated Senior Nuclear Engineer to support ongoing operations in Oak Ridge, TN. This position plays a vital role in advancing critical mission objectives within a highly regulated and technically demanding environment. As a trusted partner to government agencies and national laboratories, Omega supports some of the nation’s most complex and high-impact programs, contributing directly to the strength, security, and sustainability of the U.S. Nuclear Security Enterprise.

• Lead and perform nuclear and radiological analyses supporting safety basis documentation for DOE nuclear facilities.
• Develop, review, and approve Documented Safety Analyses (DSAs), hazard analyses, accident analyses, and supporting technical evaluations in accordance with DOE Standard 3009‑2014.
• Provide technical oversight and guidance on nuclear safety methodologies, assumptions, and modeling approaches.
• Interface with project management, operations, engineering disciplines, and regulatory stakeholders, including U.S. Department of Energy representatives.
• Support safety basis change packages, Unreviewed Safety Question (USQ) evaluations, and regulatory reviews.
• Review subcontractor and vendor nuclear safety deliverables for technical adequacy and compliance.
• Mentor and provide technical direction to Nuclear Engineers and other junior staff.
• Support audits, readiness assessments, and independent reviews related to nuclear safety.

Bachelor of Science degree in Nuclear Engineering from an ABET‑accredited engineering program.

• Candidate must be a U.S. Citizen.
• Satisfactory results of a pre‑employment screening, which includes a drug and breath alcohol test, along with a Motor Vehicle Record check.
• Candidate must be able to obtain and maintain a DOE Security Clearance.
• Minimum of 15 years of experience performing nuclear analysis or preparing safety documentation for nuclear facilities.
• Demonstrated expertise in nuclear and radiological analysis and/or documented safety analysis preparation in accordance with DOE Standard 3009‑2014.
• Strong knowledge of DOE nuclear safety basis processes and requirements.
• Proven ability to lead technical efforts and provide expert judgment on complex nuclear safety issues.
• Excellent written and verbal communication skills.

• Possession of an active DOE/DoD clearance within the past two (2) years is preferred.
• Previous DOE/NNSA work experience.
• Prior experience serving as a technical reviewer or safety basis authority.
• Advanced degree in Nuclear Engineering or related discipline.

Shift will be dependent upon customer site discretion.

Omega Technical Services is a Service‑Disabled Veteran‑Owned Small Business and a trusted partner to the Department of Energy, Department of Defense, and other commercial clients, supporting mission‑critical projects that shape national security and technological innovation. Our culture is defined by leadership, initiative, and trust. Our values drive meaningful outcomes and long‑term impact. You’ll work alongside elite subject matter experts who thrive on being challenged, innovation, and collaboration.

We offer competitive pay, comprehensive benefits, and the opportunity to grow your career in a mission‑first, people‑focused environment.

Omega Technical Services is an Equal Opportunity Employer, and all qualified applicants will receive consideration for employment regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin, age, or status as a qualified individual with a disability or protected veteran.

Mid‑Senior level

Full‑time

Management and Manufacturing

Defense and Space Manufacturing