Mechanical Design Engineer

Tessolve; San Francisco (CA); On-site; USD 120,000 - 160,000; Part time

Job summary

Tessolve is seeking a Mechanical Engineer for NPI in the Bay Area to lead system-level product development from concept to production ramp. This hands-on role blends design, prototyping, and high-volume manufacturing to deliver complex products.

The successful candidate will drive DFM/DFA improvements, develop CAD models and docs, and collaborate across engineering, manufacturing, and supply chain to ensure production readiness and lifecycle support.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 5+ years of experience in mechanical design and NPI for system-level or electromechanical products.
• Proficiency in 3D CAD tools (SolidWorks, Creo, NX, or equivalent).
• Strong understanding of DFM, DFA, GD&T, tolerance analysis, and manufacturing processes.
• Experience with prototype builds, product validation, and manufacturing transfer.
• Excellent problem-solving, communication, and project management skills.
• Preferred: Experience with semiconductor equipment, optical/photonics products, robotics, automation systems, or precision electromechanical assemblies.
• Preferred: Familiarity with PLM, ERP, and change control processes.

Responsibilities

• Lead mechanical design and development of system-level products.
• Support New Product Introduction (NPI) activities including prototyping, qualification, pilot builds, and production ramp.
• Apply DFM/DFA principles to improve manufacturability, quality, and cost.
• Develop CAD models, drawings, BOMs, and engineering documentation.
• Collaborate with Electrical, Optical, Systems, Manufacturing, Quality, and Supply Chain teams.
• Drive root cause analysis and resolution of product and manufacturing issues.
• Work with suppliers and contract manufacturers to support production readiness and volume manufacturing.
• Support ECOs, design reviews, and product lifecycle management.

Skills

5+ years exp

3D CAD

DFM / DFA

GD&T

NPI

Prototype builds

Cross-functional

Education

Bachelors in Mechanical Eng

Tools

SolidWorks

Creo

NX

Job description

• Title : Mechanical Engineer – NPI (System-Level Products)
• Location: Bay Area
• Experience: 5+ Years
• Long Term Contract

Summary

Tessolve is looking for a Mechanical Engineer – NPI (System-Level Products) to join our team in the Bay Area. This role is ideal for a hands-on mechanical engineer who thrives at the intersection of design, prototyping, and high-volume manufacturing, driving complex system-level products from concept through production ramp.

What You’ll Do

• Lead mechanical design and development of system-level products
• Support New Product Introduction (NPI) activities including prototyping, qualification, pilot builds, and production ramp
• Apply DFM/DFA principles to improve manufacturability, quality, and cost
• Develop CAD models, drawings, BOMs, and engineering documentation
• Collaborate with Electrical, Optical, Systems, Manufacturing, Quality, and Supply Chain teams
• Drive root cause analysis and resolution of product and manufacturing issues
• Work with suppliers and contract manufacturers to support production readiness and volume manufacturing
• Support ECOs, design reviews, and product lifecycle management

What You Bring

• Bachelor's degree in Mechanical Engineering or related field
• 5+ years of experience in mechanical design and NPI for system-level or electromechanical products
• Proficiency in 3D CAD tools (SolidWorks, Creo, NX, or equivalent)
• Strong understanding of DFM, DFA, GD&T, tolerance analysis, and manufacturing processes
• Experience with prototype builds, product validation, and manufacturing transfer
• Excellent problem-solving, communication, and project management skills
• Preferred: Experience with semiconductor equipment, optical/photonics products, robotics, automation systems, or precision electromechanical assemblies
• Preferred: Familiarity with PLM, ERP, and change control processes

What We Offer

• Opportunity to work on cutting-edge system-level and electromechanical products
• Collaborative, cross-functional engineering environment
• Exposure to the full product lifecycle — from concept to high-volume manufacturing
• Competitive compensation and growth opportunities

About us:

Tessolve Semiconductors, a venture of Hero Electronix, is a Design and Test Engineering Service Company providing End to End Solutions from Product Engineering, Software, Hardware, Wireless, Automotive and Embedded Solutions. Tessolve offers a unique combination of pre-silicon and post-silicon expertise to provide an efficient turnkey solution for silicon bring-up, spec to the product. With 2500+ employees worldwide, Tessolve provides a one-stop-shop solution with full-fledged hardware and software capabilities, including its advanced silicon and system testing labs. Tessolve offers a Turnkey ASIC Solution, from design to packaged parts. We have a global presence with office locations in the United States, India, Singapore, Malaysia, Germany, United Kingdom, China, UK, Japan, Thailand, Philippines, and Test Labs in India, Singapore, Malaysia, Austin, San Jose. Tessolve offers a highly competitive compensation and benefits along with an electric work environment to scale one’s intellect, skills and growth