Senior/Lead Process Engineer (3920)

Location: Oak Ridge, Tennessee, United States

Department: Oklo

Workplace: remote

Employment Type: full

Description

Navarro Research and Engineering is recruiting a Senior/Lead Process Engineer (3920) for a new Nuclear Fuel Facility. 

Navarro is an award-winning provider of turnkey solutions, delivering comprehensive nuclear, environmental and technical services to federal agencies, commercial enterprises and private clients across the United States. Our expertise supports organizations such as the Department of Energy, the National Nuclear Security Administration, the Department of Defense and NASA, while also extending to commercial industries and private sector partners facing complex engineering, technical and environmental challenges. Navarro specializes in nuclear operations, environmental remediation, D&D, waste management, advanced energy, facilities management, and technical and professional services. For more information, please visit Navarro-inc.com. 

Position Summary 

The Senior/Lead Process Engineer will provide technical leadership for process engineering scope supporting a new nuclear fuel facility. This role will lead process design development, technical reviews, calculations, equipment sizing, process safety support, and engineering deliverables for DOE, nuclear, chemical, or other high-hazard facility systems. 

The position requires a senior engineer capable of leading design work, coordinating cross-discipline interfaces, mentoring engineers, and translating process requirements into safe, reliable, constructible, and operable designs. The role will work closely with I&C, piping, mechanical, HVAC, nuclear safety, operations, procurement, vendors, and project leadership. 

Responsibilities 

• Lead process engineering design activities for nuclear, chemical, high-hazard, or DOE facility systems. 

• Develop, review, and approve process flow diagrams, piping and instrumentation diagrams, heat and material balances, process calculations, hydraulic analyses, and technical basis documents. 

• Perform and oversee equipment sizing for vessels, pumps, heat exchangers, piping systems, process utilities, control valves, relief devices, and related process equipment. 

• Support process safety activities, hazard reviews, operability reviews, design reviews, safety basis interfaces, and implementation of credited process controls. 

• Lead development of process design criteria, system descriptions, specifications, datasheets, procurement packages, and vendor technical evaluations. 

• Coordinate with piping, I&C, mechanical, HVAC, electrical, civil/structural, radiological controls, criticality safety, quality, construction, commissioning, and operations teams. 

• Review vendor data, resolve technical comments, evaluate design changes, and provide engineering support during procurement, construction, testing, startup, and commissioning. 

• Mentor process engineers and designers while maintaining technical quality, schedule alignment, configuration control, and client expectations. 

Requirements

Requirements 

• Bachelors degree in chemical engineering, nuclear engineering, mechanical engineering, or a closely related engineering discipline. 

• 10+ years of process engineering experience supporting DOE, nuclear, chemical, high-hazard, fuel cycle, radiological, or highly regulated industrial facilities. 

• Strong experience with PFDs, P&IDs, hydraulics, process calculations, equipment sizing, process safety, technical specifications, and design leadership. 

• Demonstrated ability to lead process design work and coordinate engineering deliverables across multiple disciplines. 

• Working knowledge of process hazards, design basis development, system operability, configuration control, and regulated facility requirements. 

• Strong technical writing, communication, leadership, review, and issue-resolution skills. 

• Ability to obtain and maintain required site access, training, and security clearances. 

• Due to the nature of the government contract requirements and/or clearances requirements, US citizenship is required. 

Preferred Qualifications 

• Experience with nuclear fuel facilities, uranium processing, chemical processing, hot cells, gloveboxes, gas transfer systems, or high-temperature process systems. 

• Experience supporting DOE nuclear safety basis, readiness reviews, commissioning, or operational startup. 

• Professional Engineer license or advanced technical degree. 

• Active DOE L or Q clearance. 

Education and Experience 

Bachelor’s degree in chemical engineering, nuclear engineering, mechanical engineering, or a related engineering discipline and 10+ years of relevant experience, or an equivalent combination of education and experience. 

Due to the nature of the government contract requirements and/or clearances requirements, US citizenship is required. 

Navarro is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, race, religion, color, national origin, age, disability, veteran’s status, or any classification protected by applicable state or local law. 

EEO Employer/Vet/Disabled 

Benefits

• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (401k)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation & Public Holidays)
• Short Term & Long Term Disability