Senior Mechanical Engineer

About Persimmon Technologies:
Persimmon Technologies is a global leader in robotics and electric motor technology. We specialize in the development and manufacturing of vacuum environment robots that are integral to the production of advanced semiconductor chips used in data centers, cellular phones, computers, and other critical applications driving the AI revolution. Our cutting‑edge robotics solutions are used by the semiconductor industry's largest integrated device manufacturers and foundry companies worldwide, including industry giants like Intel, TSMC, Samsung, and AMD.

These solutions are integral to the production processes of their customers, such as Apple, NVIDIA, and Tesla. Persimmon is a key player in the global supply chain for advanced semiconductors, as well as in LED and flat panel display equipment manufacturing.

In addition to our semiconductor robotics, Persimmon has pioneered next‑generation electric motor technology, utilizing additive manufacturing techniques to develop motors for electric vehicles (EVs) and high‑performance applications.

Persimmon Technologies is a wholly owned subsidiary of Sumitomo Heavy Industries, Ltd. (SHI), a $7 billion global conglomerate. We are a rapidly growing technology company headquartered in Wakefield, Massachusetts. For more information about Persimmon Technologies, please visit

The Senior Mechanical Engineer will play a key role in developing the next generation of robotic products that will contribute to the shared success of Persimmon and our customers.

Reports to:

Director of Mechanical Engineering

Direct Reports:
None

This position has the primary responsibility to develop robotic and other electromechanical systems, including feasibility studies, design analysis, mechanical models, prototype construction and product introduction.

• Mechanical design of machine elements and mechanisms (preferably precision mechanisms)
• Analysis of mechanical systems and machine elements for life, stress, deflection; and related software tools
• Ability to create mechanical part models, assemblies, drawings, and bills of materials using 3D CAD software (Solid Works preferred but not necessary)
• Ability to document and present designs and analysis results for review to a technical audience

• 10+ years experience in mechanical engineering role, utilizing skills listed above
• Ideal candidate will have experience engineering precision robotics or mechanisms in the Semiconductor industry
• Engineering products that are used in an ultrahigh vacuum (UHV) environment
• Hands on experience building and testing prototype mechanical assemblies
• Hands on experience troubleshooting to find and resolve root causes of problems in mechanical systems

• Required approx. 20% travel to supplier locations which include local, domestic and international location
• Work is sedentary in nature, but may require standing, walking, grasping, and lifting/moving up to 25 pounds

BS in Mechanical Engineering, minimum

The compensation range for this position is $120k - $200k. The actual pay offered will be determined by multiple factors, including but not limited to the candidate’s relevant experience, skills, job‑related knowledge, internal equity, and geographical location.

At Persimmon Technologies, we prioritize our employees' well‑being and growth. We offer competitive compensation packages including comprehensive health benefits (medical, dental and vision), generous paid time off, 100% company paid short‑term and long‑term disability insurance, 100% company paid Basic life and AD&D insurance and a 401(k) plan with 5% company matching. Our commitment to professional development ensures continuous learning and career advancement.

Join us and experience a workplace that supports your success and well‑being!

Persimmon Technologies is committed to providing equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other characteristic protected by law. Reach out to HR if you require assistance in completing the applications or attending interviews.

• Mid‑Senior level

• Full‑time

• Engineering and Information Technology

• Semiconductor Manufacturing