Senior Thermal Engineer Battery Systems

Date Posted: 02/18/2026

Hiring Organization:
Rose International

Position Number: 497214

Industry: Manufacturing

Job Title:

Senior Thermal Engineer Battery Systems

Job Location:

Mossville, IL, USA, 61552

Work Model:
Onsite

Shift: M-F 8am-4:30pm

Employment Type:

Temporary

FT/PT:
Full-Time

Estimated Duration (In months): 10

Min Hourly Rate($): 40.00

Max Hourly Rate($): 45.00

Must Have Skills/Attributes: CAD, Mechanical Engineer

Experience Desired:
Proven experience specifically in designing thermal systems for battery modules. (10 yrs);
Ability to integrate thermal components effectively within the overall battery system. (10 yrs)

Required Minimum Education:

Bachelor’s Degree

• Degree Requirement:
  Bachelor's degree in Mechanical Engineering or Thermal Engineering.
• Advanced Degree Option:
  Open to a Master's degree with 6+ years of experience.
• Experience Level: 8-10+ years of experience required (internships do not count toward this total).

• Battery Module/Pack Thermal Design:
  Proven experience specifically in designing thermal systems for battery modules.
• Thermal System Integration:
  Ability to integrate thermal components effectively within the overall battery system.
• Analytical Tools:
  Proficiency with CFD and thermal simulation software such as FlowEFD, Ansys, or Star-CCM+.

• Thermal Engineering principles.
• Mechanical Engineering design fundamentals.
• Advanced ability to make sketches, engineering drawings, and common computations.
• Advanced ability to read and interpret blueprints, technical drawings, schematics, and computer-generated reports.
• Previous experience with CAD software.

• Team player:
  Must collaborate daily with on-site teams.
• Self-motivated:
  Ability to take initiative and work independently.
• Willingness:
  Open to taking on diverse tasks and seeing them through.
• Creativity, verbal and written communication skills, analytical and problem-solving ability.
• Detail-oriented with strong leadership and mentoring skills.
• Displays attributes of a critical thinker and leverages innovative ideas.

• Candidates who present themselves as the "Master" or ultimate expert of Thermal System design.
• Candidates requesting remote work (this is an On-Site Full Time role).
• Disqualification:
  No 2-year degrees accepted.

• Design & Development:
  Research, design, develop, manufacture, and test tools, engines, machines, and mechanical devices, with a specific focus on thermal systems for battery modules.
• Concept Maturation:
  Mature ongoing thermal system designs and take them through the drawing release and production phases.
• Continuous Improvement:
  Develop new concepts and seek continuous design improvement for thermal efficiency and performance.
• Innovation Support:
  Support new technology development initiatives related to battery thermal management.
• Product Ownership:
  Take extreme ownership of parts from the initial design and manufacture stage through to production release.
• Analysis & Feasibility:
  Research and analyze customer design proposals, specifications, and manuals to determine time and cost feasibility to complete projects.
• Troubleshooting:
  Investigate equipment failures and difficulties to diagnose faulty operation and make recommendations to maintenance crews.
• Oversight:
  Oversee installation, operation, maintenance, and repair to ensure that machines and equipment are installed and functioning according to specifications.
• Technical Support:
  Implement operating procedures, resolve system malfunctions, and provide technical information to relevant teams.

For information and details on employment benefits offered with this position, please visit here.

Should you have any questions/concerns, please contact our HR Department via our secure website.

For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.

Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color,…