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Principal Mechanical Engineer, Advanced Test & Equipment

WesternDigital

Shenzhen, Guangdong Province, China permanent

Posted: February 26, 2026

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Quick Summary

We are seeking a highly skilled Principal Mechanical Engineer with experience in designing and developing complex mechanical systems to support the development of innovative products.

Job Description

At Western Digital, our vision is to power global innovation and push the boundaries of technology to make what you thought was once impossible, possible.

At our core, Western Digital is a company of problem solvers. People achieve extraordinary things given the right technology. For decades, we’ve been doing just that—our technology helped people put a man on the moon and capture the first-ever picture of a black hole.

We offer an expansive portfolio of technologies, HDDs, and platforms for business, creative professionals, and consumers alike under our Western Digital®, WD®, and WD_BLACK™ brands.

We are a key partner to some of the largest and highest-growth organizations in the world. From enabling systems to make cities safer and more connected, to powering the data centers behind many of the world’s biggest companies and hyperscale cloud providers, to meeting the massive and ever-growing data storage needs of the AI era, Western Digital is fueling a brighter, smarter future.

Today’s exceptional challenges require your unique skills. Together, we can build the future of data storage.

• Product (precision testing unit) and/or automation testing equipment mechanical development
• Work out development plan, detail design, standard parts selection, and tolerance analysis; create 3D/2D drawing, BOM, assembly manual and buy off document etc…
• Conduct regular design review within the team to ensure an optimized design that can cover function, cost, schedule, DFM, etc.
• Communicate with vendor to deliver parts precisely and timely.
• Prototype assembly / buyoff / debug / evaluation / design improvement / qualification
• Product FA and root cause finding by in-depth study
• Collaboration with global (US/Japan/Philippines/Thailand/Malaysia) and local teams on product / equipment development
• Working with mechanical simulation, testing, electrical, servo, software, firmware team for new product and equipment development
• Support new product / equipment ramp up in overseas

• Master degree or above in mechanical engineering or related fields
• Knowledge/experience on mechanical design, TSA, heat treatment, material, mold and machining, FMEA, mechanical vibration, Solidworks software skillfully
• Experiences of system development, new product development, automation development, vision system development or application, data analysis is preferred
• Experiences in workshop is preferred
• Preferred to good at photography, has basic artistic ability
• High flexibility under various conditions; Uses professional concepts in accordance with company objectives to solve complex problems in creative and effective ways;
• Good team player, highly motivated and possessing a sense of urgency, capable of working independently
• Good written and verbal communication skills

Western Digital thrives on the power and potential of diversity. As a global company, we believe the most effective way to embrace the diversity of our customers and communities is to mirror it from within. We believe the fusion of various perspectives results in the best outcomes for our employees, our company, our customers, and the world around us. We are committed to an inclusive environment where every individual can thrive through a sense of belonging, respect and contribution.

Western Digital is committed to offering opportunities to applicants with disabilities and ensuring all candidates can successfully navigate our careers website and our hiring process. Please contact us at [email protected] to advise us of your accommodation request. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

#LI-TD1

WD thrives on the power and potential of diversity. As a global company, we believe the most effective way to embrace the diversity of our customers and communities is to mirror it from within. We believe the fusion of various perspectives results in the best outcomes for our employees, our company, our customers, and the world around us. We are committed to an inclusive environment where every individual can thrive through a sense of belonging, respect and contribution.

WD is committed to offering opportunities to applicants with disabilities and ensuring all candidates can successfully navigate our careers website and our hiring process. Please contact us at [email protected] to advise us of your accommodation request. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

Notice To Candidates: Please be aware that WD and its subsidiaries will never request payment as a condition for applying for a position or receiving an offer of employment. Should you encounter any such requests, please report it immediately to WD Ethics Helpline or email [email protected].

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