Senior Mechanical Engineer

Title: Senior Mechanical Engineer, ECU

Location: Costa Mesa, CA (ONSITE)

Duration: 12 Month to Hire

Clearance: Top Secret Security Clearance (Not required)

Pay: $70-$80/hr

Required Skills & Experience:

• 7+ years of professional mechanical engineering experience, with a focus in HVAC, refrigeration, or environmental control unit design.
• Demonstrated experience in vapor-compression system design (component selection, sizing, and integration of compressors, heat exchangers and coils, refrigerant circuits, and air-moving equipment).
• Strong grounding in thermodynamics, heat transfer, and fluid dynamics.
• High competence with, and fluid use of, engineering first principles.
• Experience working with suppliers or vendors on hardware design and build.
• CAD skills (any platform) and the ability to produce high-quality engineering drawings.
• BS, M.Eng, MS, or PhD in Mechanical Engineering or a related field.
• Must be a U.S. Person due to required access to U.S. export-controlled information or facilities.
• Excitement to work onsite at our headquarters in Costa Mesa, CA the majority of the time!

Nice to Have Skills & Experience:

• Experience designing ruggedized, deployable, or mobile HVAC/ECU systems for extreme or military environments.
• Experience with VapCyc and CoilDesigner software.
• Hands-on CFD experience (ANSYS Fluent, CFX, or equivalent) for airflow and thermal optimization.
• Knowledge of static, dynamic, or thermal analysis methods and their use in ANSYS.
• Experience with refrigerant selection and compliance (e.g., low-GWP refrigerants and evolving regulations).
• Familiarity with HVAC and refrigeration standards and test methods (e.g., AHRI, ASHRAE).
• Experience transitioning a product from a supplier or contract manufacturer to in-house design and production.
• Experience with Siemens NX and Teamcenter.
• Active Top Secret security clearance (not required).

Job Description

Insight Global is seeking a Senior Mechanical Engineer to support the development of next-generation environmental control systems (ECUs) for deployable military shelters and expeditionary systems. This engineer will own HVAC and thermal management systems from concept through field deployment, helping ensure mission-critical command posts, operations centers, and shelter systems remain operational in extreme environments.