Refrigeration Systems Engineer

Job Description

Insight Global is seeking a Refrigeration Systems Engineer to join our team in Lake Forest, CA. ATS is a leading provider of massively parallel electronic test systems, including System Level Test (SLT), burn-in, and semiconductor/module testing. We offer an exciting portfolio of high-performance test systems that support the semiconductor industry worldwide. This is a unique opportunity for an engineer with deep refrigeration expertise to contribute to thermally demanding, cutting-edge semiconductor test equipment. This individual will be responsible for the design, validation, and integration of refrigeration systems into ATS electronic test platforms — supporting products across semiconductors, photonics, and embedded devices. Responsibilities span from concept through production, including hands-on prototype evaluation, field issue resolution, and customer site support.

Essential Duties & Responsibilities

• Define refrigeration system requirements to meet the thermal management needs of electronic test equipment
• Perform refrigeration cycle analysis and establish performance and sizing requirements for major system components, including compressors, heat exchangers, and expansion devices
• Design refrigeration systems from concept through production, including component sizing and selection
• Collaborate with cross-functional design and development teams to integrate refrigeration systems into electronic test equipment
• Conduct hands-on evaluation of prototype and sub-assembly builds, including thorough performance assessments
• Perform thermal testing and validation to ensure compliance with design specifications and performance requirements
• Develop and maintain detailed documentation of designs, analyses, and test results
• Ensure compliance with applicable industry standards and regulations governing refrigeration systems
• Partner with procurement, manufacturing, quality, and field service teams to establish component specifications and support vendor/supplier qualification
• Identify risk areas and opportunities for design optimization
• Act as a technical point of contact for customers on select refrigeration-related issues
• Provide hands-on support during product installation and commissioning at customer sites, and serve as a technical resource for field service teams

Skills and Requirements

Requirements, Education & Skills

• Bachelor's degree in Mechanical Engineering or related field; Master's degree preferred
• Minimum 5 years of experience in refrigeration system design
• Demonstrated experience with vapor compression cycle analysis and hands-on design of condensing units and/or chillers
• Expertise in liquid- and refrigerant-based thermal systems
• Strong analytical and problem-solving skills
• Proficiency in 3D CAD modeling; SolidWorks experience preferred
• Ability to travel up to 20% domestically and internationally to customer sites
• On-site role based in Lake Forest, CA

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [email protected].