Lead Mechanical Engineer - Nuclear Energy

CT19; Illinois; On-site; USD 100,000 - 130,000; Full time

Job summary

A leading company in energy innovation is seeking a Lead Mechanical Engineer to support the design and analysis of critical components in nuclear energy systems. The ideal candidate will have a degree in Mechanical or Nuclear Engineering and 8-10+ years of experience in mechanical system design. Key responsibilities include collaborating with an engineering team and conducting thermal-hydraulic analysis. This is a full-time role with opportunities to advance clean energy initiatives in a challenging and rewarding environment.

Qualifications

• 8–10+ years of experience in mechanical system design, preferably in nuclear, energy, or aerospace sectors.
• Strong understanding of ASME codes and regulatory standards.
• Solid material performance knowledge in high-temperature and high-pressure environments.

Responsibilities

• Support the design, analysis, and integration of critical reactor components and systems.
• Collaborate with a cross-disciplinary engineering team to develop mechanical systems.
• Conduct system modeling and thermal-hydraulic analysis.

Skills

CAD

FEA

Thermal-fluid analysis

Education

Degree in Mechanical or Nuclear Engineering

Job description

Lead Mechanical Engineer - Nuclear Energy

Are you an experienced Mechanical Engineer ready to take on meaningful challenges in the nuclear energy space? This editing is a unique opportunity to join an innovative company advancing the commercialization of next‑generation nuclear reactors.

We’re seeking a Lead Mechanical Engineer to support the design, analysis, and integration of critical reactor components and systems. You’ll collaborate closely with a cross‑disciplinary engineering team to develop mechanical systems including structural supports, heat exchangers, piping, and pressure vessels – all within a highly regulated environment. Your work will span system modeling, thermal‑hydraulic analysis, material selection, and support for prototyping, testing, and commissioning activities.

The ideal candidate has a degree in Mechanical or Nuclear Engineering, with 8–10+ years of experience in mechanical system design – preferably within nuclear, energy, or aerospace sectors. You’ll bring strong skills in CAD, FEA, and thermal‑fluid analysis tools, and have a solid understanding of ASME codes, regulatory standards, and materials performance in high‑temperature and high‑pressure environments. A PE license or progress toward one is a plus.

This is your chance to work at the forefront of clean energy innovation. If you’re driven by technical excellence and collaborative problem‑solving, we’d love to hear from you.

Apply now to help shape the future of nuclear energy.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Electric Power Generation