Nuclear Thermal-Hydraulic Engineer

Enercon Services, Inc.; Kennewick (WA); Hybrid; USD 90,000 - 190,000; Full time

Job summary

ENERCON Services, Inc. is seeking a Thermal‑Hydraulic Analysis Engineer to support licensing and operability analyses for nuclear facilities. The role covers safety assessments across nuclear, mechanical, and chemical domains, with collaboration within a multidisciplinary engineering team and opportunities in multiple U.S.

locations. The position offers flexibility in work arrangements (PT/FT/contract) and may involve travel to plant sites. Remote work is possible for experienced professionals.

Qualifications

• Bachelor's degree in nuclear, mechanical, chemical engineering or related field.
• Minimum of 3+ years in safety analysis work in a nuclear environment.
• Excellent written and oral communication skills.
• Willing to travel to a plant site for meetings and/or assignments.

Responsibilities

• Safety & Licensing Support: Prepare calculations, evaluations, licensing documents for SAR/ISA/LAR related to nuclear analysis licensing submittals.
• Containment/Habitability and Environmental Qualification Analysis: Perform steady‑state and transient thermal‑hydraulic analysis.
• System Transient Evaluations: Model nuclear systems using thermal‑hydraulics tools for operating plants and new designs.
• Mechanical Analysis: Analyze piping systems, hydrodynamic loads, and heat exchanger performance.
• LOCA and Transient Analysis Methods: Experience with LOCA, transient, stability and subchannel analysis.
• Client Relations & Business Development: Participate in client reviews, propose technical work and support business development.

Skills

Communication skills

Willing to travel

Education

Bachelor's Degree in Nuclear Engineering, Mechanical Engineering, Chemical Engineering, or related engineering degree

Tools

Gothic

RELAP5

RETRAN

MELCOR

MAAP

AFT-FATHOM

AFT-ARROW

AFT-IMPULSE

PROTO-FLO

PROTO-HX

PEPSE

Job description

Overview

Join ENERCON's Nuclear Services Group as a Thermal‑Hydraulic Analysis Engineer. In this role, you will have the opportunity to develop nuclear and mechanical safety analysis work products supporting licensing, design, qualification, and operability of nuclear power, fuel cycle facilities, and other nuclear facilities. This role is in support of the multi‑disciplinary Engineering & Safety Analysis team, which supports radiological, mechanical, thermal‑hydraulic, chemical, and meteorological assessments of new and existing nuclear facilities, structures, systems, and components. This position can be Part Time, Full Time, or contract based. This role offers flexibility in the following office locations:

• Kennesaw, GA (Suburb of Atlanta)
• Kennewick, WA
• Naperville, IL
• FT Worth, TX
• Palm Beach Gardens, FL

Remote will be considered for candidates with 6+ years of experience in the nuclear or power industries.

Responsibilities

• Safety & Licensing Support: Prepare calculations, evaluations, engineering change packages, and licensing documents associated with mechanical, nuclear or chemical safety analysis. Provide technical support and develop licensing documents for Safety Analysis Reports (SAR), Integrated Safety Assessments (ISA), or license amendment requests (LAR) related to nuclear analysis licensing submittals. Develop and assess the nuclear facility safety programs, design basis documents, key calculations, processes and procedures in accordance with current design and regulatory requirements and expectations (USNRC & DOE).
• Containment/Habitability and Environmental Qualification Analysis: Perform steady‑state and transient thermal‑hydraulic analysis of high energy line breaks, containment response, flooding analysis, environmental qualification profiles, and control room habitability/HVAC performance evaluations. Key Software: Gothic.
• System Transient Evaluations: Model nuclear systems using thermal‑hydraulics and computer software tools in support of commercial operating plants and new reactor designs. Key Software: RELAP5, RETRAN, MELCOR, MAAP.
• Mechanical Analysis: Perform steady state and transient analysis of power plant piping systems including evaluations of hydrodynamic loads, water hammer, heat exchanger performance, pump specification, etc. Key Software: AFT‑FATHOM, AFT‑ARROW, AFT‑IMPULSE, PROTO‑FLO, PROTO‑HX, PEPSE.
• LOCA and Transient Analysis Methods: Experience with LOCA, transient, stability, subchannel, and other safety analysis methods is preferred.
• Client Relations & Business Development: Participate in client peer reviews, expert panels and NRC audits. Collaborate with discipline and client counterparts to ensure project clarity. Develop technical proposals and support business development as required.

Qualifications

• Bachelor's Degree in Nuclear Engineering, Mechanical Engineering, Chemical Engineering, or related engineering degree.
• Minimum of 3+ years of experience in safety analysis work in a nuclear environment.
• Excellent written and oral communication skills.
• Interest in application of technical skills to unique, varied and challenging engineering problems.
• Willing to travel to a plant site for meetings and/or assignments. Assignments vary based on project and client needs, ranging from a few weeks to several months.

Compensation Range

USD $90,000.00 – USD $190,000.00 /Yr.

Additional Information

ENERCON Services, Inc. (ENERCON) is powered by people who make a difference. We offer rewarding careers in a culture built on excellence, innovation, and growth. Please learn more about the potential benefits you may be eligible to receive with this role and working here at ENERCON. The compensation range listed is a good‑faith estimate of the compensation expected for this position at the time of posting. Actual compensation will be determined based on job‑related skills, experience, geographic location, and internal equity. Some positions may be performed remotely in one or more U.S. states. Compensation is aligned with applicable pay transparency requirements and reflects expected compensation at the time of posting.

Applicants must be legally authorized to work in the U.S. without current or future employer sponsorship. We ask all candidates this question to better understand work authorization and any potential sponsorship needs. Employment is contingent upon passing pre‑employment and random drug/alcohol screenings, background checks, and annual motor vehicle record reviews per company and client policies.

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.