Senior Mechanical Engineer, Photonic Systems

The role

The Senior Mechanical Design Engineer designs complex optomechanical and optoelectronic packages. You will work with photonics, packaging, process, test, quality, supply chain, and external manufacturing partners to translate requirements into manufacturable designs.

What you will do

• Ownership of package and subassembly designs from prototype through production readiness
• Expertise in Design for Manufacturability, Design for Assembly, and supplier-ready build documentation
• Expertise with GD&T for precision optomechanical interfaces, datums, fixtures, and inspection plans
• Expertise with tolerance analysis methods for optical alignment, mechanical stack-up, FAU attach, and package interfaces
• Generate and maintain process flow documentation, build travelers, and assembly sequence definition
• Conduct DFMEA, PFMEA, CTQ mapping, and risk analysis heat maps
• Fixture design and fabrication for alignment, attach, metrology, handling, and production build support
• Test set-up design and fabrication for optical, mechanical, thermal, and process verification activities
• Generate and maintain BOMs, build standards, material callouts, and configuration-controlled package documentation
• Generate and maintain Specification and Drawing Trees for package, subassembly, fixture, and supplier documentation

Required qualifications

• Master’s Degree or above in Mechanical Engineering, Optomechanical Engineering, Packaging Engineering, or a relevant discipline
• 5 years of experience, with a focus on optomechanical design, optoelectronic packaging, photonics packaging, or precision mechanical systems
• Strong communication and interpersonal skills
• Ability to execute basic structural, thermal, warpage, and tolerance analyses
• Comfortable with PDM / Arena, ECO discipline, drawing release, supplier documentation packages, and revision control
• Experience with subcontractor management, supplier technical coordination, and manufacturing partner support

Benefits

• competitive health coverage for you and your dependents
• 401(k) with company match
• equity grants
• access to financial wellness tools and planning resources
• wellness benefits
• family support programs
• life and disability insurance
• paid leave programs
• company-designated paid holidays
• discretionary time off (DTO)
• end-of-year company shutdown

About the company

PsiQuantum's mission is to build the first useful quantum computers. Their architecture and approach is based on silicon photonics.