Senior Mechanical Engineer (Photonic Systems)

PsiQuantum; Palo Alto (CA); Hybrid; USD 140,000 - 200,000; Full time

Benefits offered by this job

401(k) with match

Equity grants

Health coverage

DTO time off

Paid parental leave

Flexible work options

Job summary

PsiQuantum seeks a Senior Mechanical Design Engineer to design complex optomechanical and optoelectronic packages for the Optical Circuit Switch (OCS) program. You will collaborate with photonics, packaging, process, test, quality, and supply chain teams to translate architecture into manufacturable designs.

Roles require expertise in GD&T, tolerance analysis, and Design for Manufacturability, with ownership from prototype through production readiness.

Qualifications

• 5+ years in optomechanical design or related packaging roles.
• Strong knowledge of mechanics of materials, thermodynamics, and precision design.

Responsibilities

• Own OCS package and subassembly designs from prototype to production readiness.
• Generate and maintain BOMs, drawings, and configuration-controlled documentation.
• Perform DFMEA, PFMEA, and risk analysis for package development.
• Design fixtures, test setups, and metrology tooling for alignment and assembly.
• Coordinate with suppliers and manufacturing partners to ensure manufacturability.

Skills

Optomechanical design

Optoelectronic packaging

Design for Manufacturability

Tolerance analysis

GD&T

Electronics integration

Education

Master’s Degree or above in Mechanical/Optomechanical/Packaging Engineering

Tools

PDM Arena

Job description

• 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

Benefits

• Financial & Retirement: 401(k) with company match, equity grants, and access to financial wellness tools and planning resources.
• Health: Competitive health coverage for you and your dependents that go beyond your standard medical, dental & vision.
• Wellness: $200 quarterly health reimbursement, 12 therapy + 6 coaching sessions with Modern Health for you and depndents, and annual membership to Care.com.
• Time Off: Discretionary Time Off (DTO) for full-time employees in addition to federal holidays and an end-of-year company shut-down.
• Family Leave: 12 weeks of paid parental leave with the support of a dedicated leave consultant.
• Flexible WOrk: Work in office, hybrid, or remote depending on your team and location.

Willingness to support colleagues and external partners to achieve OCS schedule, quality, and build-readiness objectivesExercises independent judgement in resolving design, interface, and manufacturability tradeoffsStrong communication & interpersonal skills across engineering, operations, quality, and supplier teams5 years of experience, with a focus on optomechanical design, optoelectronic packaging, photonics packaging, or precision mechanical systemsMaster’s Degree or above in Mechanical Engineering, Optomechanical Engineering, Packaging Engineering, or a relevant disciplineContinuous learning mindset with interest in photonics packaging, process development, and production scale-upExecution of deliverables against schedule & quality targets in a fast-moving productization environmentExperience with subcontractor management, supplier technical coordination, and manufacturing partner support