Mechanical Engineer IV (E4)

About the role

As a Mechanical Engineer IV you will apply physics, mathematics and materials science to solve complex mechanical problems, design custom tooling, and support the full product life‑cycle from concept through production.

Key responsibilities

• Identify and troubleshoot a wide range of complex mechanical problems with limited supervision.
• Lead or execute engineering projects, including development of key suppliers.
• Design, develop and implement custom mechanical tooling, fixturing and associated processes.
• Generate product specifications and engineering test reports, and review engineering documentation.

Required profile

• Bachelor’s degree in engineering or a related field.
• 7‑10 years of mechanical engineering experience.
• Strong proficiency with 3D CAD tools such as SolidWorks, Creo or NX.
• Experience performing tolerance stack‑up analyses and design‑for‑manufacturing/assembly evaluations.

Required skills

• SolidWorks, Creo, NX (3D CAD)
• Tolerance stack‑up analysis
• Design for Manufacturing / Assembly (DFM/DFA)
• Prototype assembly, integration and testing of precision opto‑mechanical hardware
• Root‑cause analysis and experimental investigation of mechanical hardware issues

What we offer

• Salary range $128,000 – $176,000 per year.
• Location: Benicia, CA (onsite).
• Supportive work culture with learning and development opportunities.
• Comprehensive benefits package, bonus and stock award program.