Thermal Structural Engineer in , us

Energy Jobline ATTB; Us; On-site; EUR 60,000 - 90,000; Full time

Job summary

Energy Jobline ATTB is seeking a Thermal Structural Engineer to support the design, analysis and development of advanced microreactor systems. This role offers technical ownership across thermal, structural, and computational analysis activities within a multidisciplinary team.

The ideal candidate has strong experience with heat transfer, thermodynamics, and FEA using ANSYS, COMSOL or Abaqus, and can document results through calculations and presentations.

Qualifications

• Bachelor’s degree in a core engineering field is required; Master’s degree acceptable with flexibility on years of experience.
• 5+ years of engineering experience are required.
• Strong understanding of heat transfer, thermodynamics, fluid mechanics and mechanics of materials.
• Experience with thermal-fluid systems and structural analysis in complex engineering systems.
• Proven computational analysis and engineering simulation experience.
• Experience with ANSYS, COMSOL, Abaqus, or similar tools.
• Proficiency with MATLAB or Python is valuable for analysis and scripting.
• Clear written communication and ability to work in a multidisciplinary team.
• Nuclear experience is a plus but not required.

Responsibilities

• Perform thermal and structural analyses supporting microreactor system design and development.
• Conduct heat transfer, thermal stress, fluid mechanics, and mechanical performance evaluations.
• Develop analyses using ANSYS, COMSOL, Abaqus, or equivalent FE packages.
• Support computational modeling, finite element analysis, and design optimization.
• Evaluate components under steady-state, transient, and accident conditions.
• Lead design verification and material selection discussions as experience grows.
• Prepare calculations, reports, and technical presentations for stakeholders.
• Collaborate with nuclear, mechanical, materials, and licensing teams.
• Participate in design reviews, testing, and problem-solving efforts.
• Apply ASME codes and industry standards to safe reactor designs.
• Senior engineers may assume ownership and mentoring roles.

Skills

Thermal analysis

Structural analysis

Heat transfer

Mechanics of materials

Python

Education

Bachelor’s degree in Mechanical/Nuclear/Aerospace/Chemical Engineering

Master’s degree (flexible on experience)

Tools

ANSYS

COMSOL

Abaqus

Job description

My client is a rapidly growing advanced energy and engineering technology company developing next-nuclear systems. As the organization continues to expand, they are seeking a

Thermal Structural Engineer

to support the design, analysis, and development of advanced microreactor systems. This is an exciting opportunity for an engineer with strong thermal, structural, and computational analysis experience to take on meaningful technical ownership and contribute to the development of innovative reactor technology. The company is open to candidates across multiple experience levels, with compensation and level of responsibility determined based on the candidate’s experience and technical expertise.

What You’ll Do

• Perform thermal and structural analyses supporting the design and development of advanced microreactor systems.
• Conduct heat transfer, thermal stress, fluid mechanics, and mechanical performance evaluations for reactor components and complex systems.
• Develop and execute engineering analyses using advanced simulation and FEA tools, with experience in ANSYS, COMSOL, Abaqus, or equivalent highly relevant.
• Support computational modeling, finite element analysis, and design optimization activities.
• Evaluate components and systems under steady-state, transient, and accident-condition operating scenarios.
• Support mechanical design activities including component sizing, material selection, and design verification.
• Take ownership of thermal and structural analysis activities, with opportunities for increased technical leadership based on experience level.
• Prepare engineering calculations, technical reports, design documentation, and technical presentations.
• Collaborate closely with nuclear, mechanical, materials, systems, and licensing teams.
• Participate in design reviews, testing activities, and technical problem-solving efforts.
• Apply engineering principles, ASME codes, and industry standards to support safe and reliable reactor designs.
• More experienced engineers may take on expanded technical ownership, mentoring responsibilities, and leadership of analysis activities.

Qualifications

• Bachelor’s degree in Mechanical Engineering, Nuclear Engineering, Aerospace Engineering, Chemical Engineering, or a related engineering discipline required; Master’s degree , with flexibility on years of experience.
• 5+ years of engineering experience.
• Strong understanding of heat transfer, thermodynamics, fluid mechanics, and mechanics of materials.
• Experience with thermal-fluid systems, structural analysis, pressure vessels, high-temperature components, or similarly complex engineering systems.
• Strong computational analysis and engineering simulation experience.
• Experience with ANSYS, COMSOL, Abaqus, or similar advanced engineering analysis tools.
• Experience with MATLAB, Python, or other modeling and programming tools is valuable, particularly when used for engineering analysis and simulation. The relevance of this experience will be evaluated based on how these tools have been used in practice.
• Ability to communicate complex technical information clearly through written reports, presentations, and technical discussions.
• Ability to work collaboratively within a multidisciplinary engineering environment.
• Nuclear experience is highly but not required. Relevant experience from aerospace, oil & gas, energy, defense, or other technically complex industries will be considered.
• Experience with advanced reactor systems, HTGRs, microreactors, or other nuclear technologies is a plus.
• Familiarity with ASME codes and standards is .
• Experience supporting technical documentation for regulatory review is a plus.