Nuclear Commissioning Engineer

TFE, Inc.•Oak Ridge, TN

About The Position

TFE, Inc. is seeking Nuclear Commissioning Engineers at multiple levels. The role bridges construction and full-scale operations, planning, executing, and documenting the testing and commissioning of complex nuclear systems, process equipment, and safety-critical components. The engineer ensures systems are safely transitioned into service in compliance with engineering specifications, safety standards, and regulatory requirements. TFE, Inc. provides professional, technical, and administrative personnel and services in the U.S. nuclear energy complex and other commercial ventures. The company describes its employees as key to its success and supports their growth in knowledge, skills, and abilities.

Requirements

Bachelor’s degree in Nuclear, Mechanical, Electrical, or Chemical Engineering, or a related technical discipline; an equivalent combination of education and extensive nuclear experience may be considered.
Experience in nuclear power generation, government nuclear facilities, or heavily regulated high-hazard industrial environments.
Minimum experience by level: Junior, 3–5 years; Mid-level, 5–10 years; Lead, 10+ years; SME, 15+ years.
Demonstrated experience in nuclear system testing, startup operations, or component commissioning.
Strong ability to read, interpret, and work from complex P&IDs, electrical one-lines, logic diagrams, and instrument loop drawings.
Deep understanding of nuclear safety standards, Conduct of Operations, and work control processes.
Ability to access all areas of a nuclear or industrial site, potentially including stairs, ladders, and uneven surfaces.
May be required to wear personal protective equipment, including respirators or anti-contamination clothing.

Nice To Haves

Previous experience working within DOE- or NRC-regulated facilities.
Familiarity with ASME NQA-1 Quality Assurance requirements.
Professional Engineer (PE) license or specific system certifications.
Ability to obtain DOE Q Clearance or hold an active Secret clearance.

Responsibilities

Develop, review, and execute commissioning plans, pre-operational test procedures, and startup protocols for nuclear facility systems.
Manage system turnover from construction to operations, including preparing, tracking, and closing punch lists and final documentation packages.
Oversee and document cold and hot functional testing, Factory Acceptance Testing (FAT), and Site Acceptance Testing (SAT).
Ensure commissioning activities comply with nuclear safety culture guidelines, Quality Assurance programs such as ASME NQA-1, and applicable federal regulations, including NRC and DOE requirements.
Identify, document, and troubleshoot system anomalies, design discrepancies, and non-conformances; coordinate root-cause analysis and corrective actions.
Coordinate between construction contractors, design engineering, plant operations, quality control, and regulatory reviewers.