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Mechanical Engineer - Thermal Analyst

Lensa
Alameda, CA Contractor
POSTED ON 12/21/2025
AVAILABLE BEFORE 1/19/2026
Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for Belcan. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice.

Mechanical Engineer - Thermal Analyst

Job Number: 361750

Category: Mechanical Engineering

Description: Job Title: Mechanical Engineer - Thermal Analysis

Location: Alameda, CA (100% onsite or remote)

Zip Code: 94501

Type: Contract (6-9 months)

Pay Rate: $60.00-$65.00/HR (Depending on experience)

Belcan is seeking a hands-on Mechanical Engineer Thermal Analyst to support the design and analysis of reactor systems and components. This role directly influences high-consequence thermo-mechanical design decisions in a first-of-a-kind advanced reactor.

Key Responsibilities

  • Develop steady-state and transient thermal and thermal-hydraulic models for reactor components and systems (vessels, internals, piping, core supports, and auxiliary systems).
  • Provide temperature distributions, heat loads, and thermal boundary conditions for structural FEA and ASME Section III, Division 5 design analyses.
  • Collaborate with structural engineers to iterate designs and achieve acceptable thermo-mechanical margins.
  • Use first-principles modeling, hand calculations, and CFD/system simulations to scope problems, validate results, and communicate key physics.
  • Support high-temperature fluid systems design and provide thermal guidance to system and safety teams.
  • Produce clear, review-ready calculation packages, technical memos, and design reports.

Qualifications

  • BS in Mechanical, Nuclear, Chemical, Aerospace Engineering, or related field (MS/PhD preferred).
  • 3-7 years of experience in thermal analysis, thermal-fluids, or thermal-hydraulics for safety-critical or complex systems (nuclear, power, aerospace, chemical/process).
  • Hands-on experience with CFD tools (STAR-CCM , Fluent, ANSYS, or similar), thermal network/system analysis, and thermal-structural interface with FEA.
  • Familiarity with ASME BPVC Section III, Division 5 or equivalent design-by-analysis practices.
  • Strong foundation in heat transfer, fluid mechanics, and first-principles modeling.
  • Excellent analytical, problem-solving, and communication skills in a multi-disciplinary team environment.
  • Scripting and data analysis experience (Python, MATLAB) is a plus.

If you are interested in this role, please apply via the apply now link provided. Our overriding goal is to provide quality staffing solutions that help people, organizations, and communities succeed. Belcan is a leading provider of qualified personnel to many of the world's most respected enterprises. We offer excellent opportunities for contract, temporary, temp-to-hire, and direct assignments. We are the employer of choice for thousands worldwide. For more information, please visit our website at Belcan.com

Belcan is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Location: Alameda , CA

Minimum Experience (yrs): 3-7

Required Education: Bachelor (BA, BS...)

Benefits

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If you have questions about this posting, please contact support@lensa.com

Salary : $60 - $65

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