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Senior Mechanical Engineer

Advantest

Lake Forest, CA · Posted September 17, 2026

Just laid off? Start here: a plan for the first weeks

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Pay compared with the market

This listing does not state pay. Across 95 open senior mechanical engineer listings that state pay, the middle half runs $155,500 to $175,000 and the median is $170,000.

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How AI is used in this kind of work

AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).

Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.

Check how this applies to your own job

Advantest has filed one layoff notice in the last twelve months, covering 55 workers, most recently May 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings

About the job

Sr. Mechanical Engineer

Advantest Test Solutions, Inc. (ATS) is looking for a senior level Mechanical Engineer. This individual will perform a broad range of mechanical engineering functions related to the design, testing, and evaluation of hardware sub-systems for handling and testing electronic systems including semiconductors, embedded devices and co-packaged optics (CPO) devices. Develop and execute the detail design on new and/or modified existing designs in a fast-paced environment. Serve on product development team(s) and be assigned specific sub-assembly or sub-system mechanical design and testing responsibility. This role will require experience in electro-mechanical and automated systems, as can be found in leading semiconductor handlers and test systems.

Essential Duties and Responsibilities:

Design new and/or modify existing electro-mechanical assemblies to meet specific end customer requirements. Can include PCB Assys with multiple PCBs and heatsinks.

Complete all detail drawings, assembly drawings and Bills of Material for all initial manufacturing builds and eventual production level manufacturing.

Identify technical risk areas and optimization opportunities.

Present designs during internal Design Reviews.

Develop test specifications and evaluation protocols.

Perform electro-mechanical hardware, assembly and integration testing and final qualification testing.

Interpret functional test results and present findings to senior technical staff or vendors and customers.

Develop and implement mechanical design changes that are identified during testing or design verification review.

Develop new or modified test equipment, manufacturing and inspection jigs and fixtures, as required.

Work as part of a team that includes manufacturing, quality assurance and technical support organizations to establish functional specifications for components and to select vendors/suppliers for purchased parts, materials and assemblies.

Work closely with external Technology partners and successfully accomplishes common product design/ production goals.

All other duties as assigned.