OptiGrid ยท 10 hours ago
Thermal System Engineer
Longmont, CO
Full-time
Onsite
Senior Level
5+ years expOptiGrid is an energy technology company accelerating fleet electrification with battery-integrated DC fast charging solutions. The Thermal System Engineer will architect thermal systems for next-generation battery and power electronics platforms, influencing product performance and reliability while collaborating with manufacturing partners.
Electrical & Electronic Manufacturing
Hiring Manager
Alisa Lynn, CPSR
Responsibilities
Design & Innovate: Engineer advanced thermal systems for electric vehicle DC fast charging, pushing the boundaries of efficiency and reliability
Create & Build: Prepare detailed drawings and schematics, fabricate and assemble prototypes, and bring concepts to life
Test & Validate: Develop test plans, conduct lab experiments, and translate results into actionable insights and robust test reports
Collaborate & Lead: Work cross-functionally to launch new products, support compliance testing, and solve manufacturing and quality challenges
Drive Excellence: Diagnose and resolve issues in production, ensuring every part and assembly meets the highest standards
Qualification
Required
Bachelor's degree in Mechanical Engineering or equivalent
5+ years of hands-on experience designing thermal management systems
Expertise in battery thermal systems and large-scale cooling (forced air, refrigerant)
Experience implementing mechanical and thermal solutions for power electronics
Track record of taking designs into volume production (sheet metal, extrusion, injection molding)
Advanced 3D CAD skills and knowledge of ASME Y14.5 standards
Exceptional written and verbal communication skills
Preferred
Master's degree in Mechanical Engineering or equivalent
10+ years in electronics packaging
Proven success with Computational Fluid Dynamics (CFD) modeling and validation
Background in EV supply equipment product design and lithium-ion battery systems
Mastery of PTC Creo Parametric CAD software
Proficiency with Arena and Windchill PLM
Benefits
Health, dental, vision insurance
PTO
Company
OptiGrid
We revolutionize electric vehicle charging by delivering innovative, sustainable, and easily deployable EV charging solutions.
11-50 employees
H1B Sponsorship
OptiGrid has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (4)
Funding
Current Stage
Early StageCompany data provided by crunchbase