Refrigeration Systems Engineer

Refrigeration Systems EngineerInsight 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 equipmentPerform refrigeration cycle analysis and establish performance and sizing requirements for major system components, including compressors, heat exchangers, and expansion devicesDesign refrigeration systems from concept through production, including component sizing and selectionCollaborate with cross-functional design and development teams to integrate refrigeration systems into electronic test equipmentConduct hands-on evaluation of prototype and sub-assembly builds, including thorough performance assessmentsPerform thermal testing and validation to ensure compliance with design specifications and performance requirementsDevelop and maintain detailed documentation of designs, analyses, and test resultsEnsure compliance with applicable industry standards and regulations governing refrigeration systemsPartner with procurement, manufacturing, quality, and field service teams to establish component specifications and support vendor/supplier qualificationIdentify risk areas and opportunities for design optimizationAct as a technical point of contact for customers on select refrigeration-related issuesProvide hands-on support during product installation and commissioning at customer sites, and serve as a technical resource for field service teams