Mechanical Technician

Mechanical Technician – Associate II – Semiconductor Product Validation

We are looking for a Mechanical Technician with experience in thermal cooling systems and mechanical assemblies for servers and electronic equipment. The candidate should have hands‑on experience with cooling components, CDUs, and liquid/air‑cooled systems.

• Assemble, install, test, and maintain thermal management solutions, including cold plates, heat sinks, and heat pipes.
• Assemble cooling assemblies for servers and electronic systems.
• Work with Cooling Distribution Units (CDUs) and associated thermal equipment.
• Perform mechanical assembly, troubleshooting, and maintenance of pumps, tubes and piping systems, filters, valves, flow meters, connectors, and fittings.
• Support integration and testing of air‑cooled and liquid‑cooled systems for GPUs, CPUs, AI/HPC servers, and semiconductor/chip cooling applications.
• Conduct leak testing, pressure testing, and thermal validation activities.
• Interpret engineering drawings, assembly instructions, and technical documentation.
• Ensure compliance with quality, safety, and operational standards.
• Collaborate with engineering and production teams for system builds, upgrades, and troubleshooting.
• Maintain tools, equipment, and records related to assembly and maintenance activities.

• High School Diploma or Associate Degree in Mechanical Engineering or related field.
• Hands‑on experience in thermal equipment and cooling systems.
• Experience handling and maintaining CDUs (Cooling Distribution Units).
• Strong mechanical aptitude with experience in fluid and thermal systems.
• Familiarity with liquid cooling and air‑cooling technologies used in servers or electronic hardware.
• Ability to work with mechanical components including pumps, valves, tubing, filters, and flow meters.
• Knowledge of thermal interface materials, cooling loops, and heat transfer concepts is preferred.
• Ability to read mechanical drawings and follow SOPs/work instructions.
• Good troubleshooting and problem‑solving skills.

Role Location
:
California

Compensation Range
: $56,000–$84,000

Full‑time employees accrue a minimum of 10 days of paid vacation per year, 6 days of paid sick leave, 10 paid holidays, and are eligible for paid bereavement leave and jury duty. Employees may participate in the company’s 401(k) plan with employer matching, as well as medical, dental, and vision insurance, and a range of additional voluntary benefits. (Additional details available on request.)

UST is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other applicable characteristics protected by law. We consider qualified applicants with arrest or conviction records in accordance with state and local laws and "fair chance" ordinances.

UST reserves the right to periodically redefine roles and responsibilities based on organizational requirements and employee performance.