Senior Mechanical Engineer; OCS
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-06-19
Listing for:
PsiQuantum
Full Time
position Listed on 2026-06-19
Job specializations:
-
Engineering
Mechanical Engineer, Systems Engineer, Manufacturing Engineer, Electronics Engineer
Job Description & How to Apply Below
Requirements
- Strong communication & interpersonal skills across engineering, operations, quality, and supplier teams
- Willingness to support colleagues and external partners to achieve OCS schedule, quality, and build-readiness objectives
- Exercises independent judgement in resolving design, interface, and manufacturability tradeoffs
- Continuous learning mindset with interest in photonics packaging, process development, and production scale-up
- Execution of deliverables against schedule & quality targets in a fast-moving productization environment
- Experience with subcontractor management, supplier technical coordination, and manufacturing partner support
- 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
- The Senior Mechanical Design Engineer is responsible for designing highly complex optomechanical and optoelectronic packages for the Optical Circuit Switch (OCS) program
- You will work closely with photonics, packaging, process, test, quality, supply chain, and external manufacturing partners to translate OCS architecture and requirements into buildable, manufacturable, and verifiable package designs
- Strong design skills incorporating mechanics of materials, thermodynamics, electronics integration, optical alignment, and precision design principles are a must
- Ownership of OCS 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 OCS process flow documentation, build travelers, and assembly sequence definition
- Conduct DFMEA, PFMEA, CTQ mapping, and risk analysis heat maps for OCS package and process development
- Fixture design & fabrication for alignment, attach, metrology, handling, and production build support
- Test set-up design & fabrication for optical, mechanical, thermal, and process verification activities
- Generate & maintain BOM’s, build standards, material callouts, and configuration-controlled package documentation
- Generate & maintain Specification & Drawing Trees for OCS package, subassembly, fixture, and supplier documentation
- Ability to execute basic structural, thermal, warpage, and tolerance analyses to down-select designs and reduce build risk
- Comfortable with PDM / Arena, ECO discipline, drawing release, supplier documentation packages, and revision control
Position Requirements
10+ Years
work experience
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