Perform and document non-LOCA and LOCA accident analyses using Framatome's version of RELAP5 or similar thermal-hydraulic codes Support evaluations of plant and core design changes and their impact ...
Perform and document non-LOCA and LOCA accident analyses using Framatome's version of RELAP5 or similar thermal-hydraulic codes Support evaluations of plant and core design changes and their impact ...
Thermal-Hydraulics Engineer
Lynchburg, VA · On-site
$88K - $95K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
Lynchburg, VA · On-site
$88K - $95K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
Lynchburg, VA · On-site
$88K - $95K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
Lynchburg, VA · On-site
$88K - $95K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Core Thermal Hydraulic Engineer (Engineer IV)
Lynchburg, VA · On-site
$139K - $149K/yr
TRACE, S-RELAP5, RETRAN, CATHARE) applied to Light Water Reactors; * Creating complex models and analyzing design basis transients in the assessment of plant safety analyses; * Working within LINUX ...
Core Thermal Hydraulic Engineer (Engineer IV)
Lynchburg, VA · On-site
$139K - $149K/yr
TRACE, S-RELAP5, RETRAN, CATHARE) applied to Light Water Reactors; * Creating complex models and analyzing design basis transients in the assessment of plant safety analyses; * Working within LINUX ...
Thermal-Hydraulics Engineer
$85K - $116K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
$85K - $116K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
$88K - $95K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
$88K - $95K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
Lynchburg, VA · On-site
$85K - $116K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
Lynchburg, VA · On-site
$85K - $116K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
$85K - $116K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Thermal-Hydraulics Engineer
$85K - $116K/yr
Plants systems design and analysis, including experience with software such as ANSYS-Fluent (CFD), AFT Fathom, RELAP5. * Ability to analyze customer's technical specification and apply appropriate ...
Core Thermal Hydraulic Engineer (Engineer IV)
$139K - $149K/yr
TRACE, S-RELAP5, RETRAN, CATHARE) applied to Light Water Reactors; * Creating complex models and analyzing design basis transients in the assessment of plant safety analyses; * Working within LINUX ...
Core Thermal Hydraulic Engineer (Engineer IV)
$139K - $149K/yr
TRACE, S-RELAP5, RETRAN, CATHARE) applied to Light Water Reactors; * Creating complex models and analyzing design basis transients in the assessment of plant safety analyses; * Working within LINUX ...
Core Thermal Hydraulic Engineer (Engineer IV)
$139K - $149K/yr
TRACE, S-RELAP5, RETRAN, CATHARE) applied to Light Water Reactors; * Creating complex models and analyzing design basis transients in the assessment of plant safety analyses; * Working within LINUX ...
Core Thermal Hydraulic Engineer (Engineer IV)
$139K - $149K/yr
TRACE, S-RELAP5, RETRAN, CATHARE) applied to Light Water Reactors; * Creating complex models and analyzing design basis transients in the assessment of plant safety analyses; * Working within LINUX ...
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
Lynchburg, VA · On-site
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
Lynchburg, VA · On-site
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
Lynchburg, VA · On-site
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
Lynchburg, VA · On-site
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
Lynchburg, VA · On-site
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
Lynchburg, VA · On-site
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Thermal Hydraulic Core Design Engineer
$86K - $136K/yr
Familiarity with physics tools such as Ansys, Relap5-3D, and Flownex. * Knowledge of programming languages such as FORTRAN, Python, C, and C++. What We Offer: * Competitive salary and benefits ...
Relap5 information
What is RELAP5?
What are the uses of relap?
What are the key skills and qualifications needed to thrive as a RELAP5 Nuclear Safety Analyst, and why are they important?
What is the difference between Relap5 vs Relap5?
| Aspect | Relap5 | Relap5 |
|---|
Since the comparison is between the same job title, there is no difference in skills, credentials, or work environment. Both roles involve using Relap5 software for thermal-hydraulic safety analysis in nuclear engineering, requiring similar certifications and industry experience. Typically, professionals in this role work in nuclear power plants, research facilities, or engineering firms focused on nuclear safety. The primary distinction may lie in specific project focus or experience level, but overall, the roles are equivalent.
Is it hard to find a job as a nuclear engineer?
What is the highest paying nuclear job?

Framatome rating
8.4
Based on 22 frontline employees who took The Breakroom Quiz
98th of 486 rated machine equipment manufacturers
Job description
General information Legal company Framatome is an international leader in nuclear energy recognized for its innovative, digital and value added solutions for the global nuclear fleet. With worldwide expertise and a proven track record for reliability and performance, the company designs, services and installs components, fuel, and instrumentation and control systems for nuclear power plants. Its more than 20 000 employees work every day to help Framatome's customers supply ever cleaner, safer and more economical low-carbon energy.
Visit us at www.framatome.com, and follow us on Twitter: @Framatome_ and LinkedIn: Framatome. Framatome is owned by the EDF Group (80.5%) and Mitsubishi Heavy Industries (MHI - 19.5%). Reference number 2026-25660 Publication date 3/18/2026 Job details Category TA - DESIGN & ENGINEERING - TAH - Safety, process and systems design - Reactor operation & functional design Job Opening Title Safety Analysis Engineer VIE F/H Job type [France] VIE Remuneration annuelle minimum en 44928 Remuneration annuelle maximum en 44928 BU description S'appuyant sur plus de 40 annees de savoir-faire, et les competences de 5 000 collaborateurs a travers le monde, la Business Unit (BU) Fuel developpe, concoit, fabrique et commercialise des assemblages de combustible ainsi que des services associes au combustible, pour les centrales de production d'electricite de type reacteur a eau legere (REP pour les reacteurs a eau sous pression et REB pour les reacteurs a eau bouillante) et les reacteurs de recherche
La BU Fuel est egalement en charge de l'elaboration du zirconium et de ses alliages et commercialise aussi des services d'ingenierie et des services sur site associes au combustible. Job description About the Role: We are seeking a highly motivated Safety Analysis Engineer to join our Fuel Design team and contribute to the development of advanced nuclear safety evaluations. This role focuses on performing thermal-hydraulic safety analyses to support the design, licensing, and operation of pressurized water reactors (PWRs) or boiling water reactors (BWRs).
You will work alongside experienced nuclear engineers and analysts to develop and apply accident simulation models, evaluate plant behavior under transient conditions, and support the safe deployment of nuclear fuel technologies. Key Responsibilities: Perform and document non-LOCA and LOCA accident analyses using Framatome's version of RELAP5 or similar thermal-hydraulic codes Support evaluations of plant and core design changes and their impact on safety margins Assist in the development and validation of analysis methodologies for new fuel products Collaborate with cross-functional teams to ensure accurate and timely delivery of safety analysis results Contribute to the automation and improvement of analysis tools and workflows Participate in the preparation of technical reports, presentations, and regulatory documentation Stay informed on nuclear safety regulations and industry best practices Profile Required: B.S. or M.S
in Nuclear Engineering, Mechanical Engineering, or a related field Familiarity with thermal-hydraulic principles and reactor system behavior Experience using RELAP or similar code (e.g., TRACE, RETRAN, CATHARE, etc.) to simulate reactor system behavior during postulated accidents. Proficiency working in Linux Proficiency in Python, MATLAB, or similar tools for data analysis and automation Strong analytical and problem-solving skills Ability to communicate technical concepts clearly and work effectively in a team environment Preferred: Experience with PWR or BWR systems Exposure to accident analysis methodologies and safety evaluation processes Familiarity with model development, validation, and uncertainty quantification Job location Job location USA, Virginia, Lynchburg Job location (site) Lynchburg Travel Occasionally BU (Organization) FL - FD Applicant criteria Minimum level of education required Master Minimum level of experience required New graduate Employment level Student Languages English (Fluent) Extra informations Background checking required . Yes Poste soumis a autorisation au titre du controle des exportations Yes
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About Framatome
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Company size
10,000+ Employees