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Reliability Engineer (Hardware)

Lightmatter develops photonics-based AI data center infrastructure and is scaling reliability engineering to ensure their Passage™ 3D‑stacked photonics engine meets performance and durability goals. They are seeking a Reliability Engineer (Hardware) to develop and execute qualification tests, perform failure analysis, model device lifetimes, and drive cross-functional improvements in design and manufacturing.

Skills

  • Design and execution of reliability qualification tests for semiconductor/photonics devices
  • Failure analysis using SEM, TEM, FIB and other microscopy and inspection tools
  • Experience with reliability stress methodologies (HTOL, HAST, TDDB, TC, HTHH)
  • Knowledge of device physics, failure mechanisms for SerDes/digital/mixed-signal ICs
  • Understanding of packaging reliability risks (TSV, solder joints, warpage, metal migration)
  • Statistical reliability analysis (Weibull, Minitab, JMP) and data-driven lifetime modeling
  • FMEA and systematic root-cause investigation experience

Responsibilities

  • Develop reliability test plans aligned with product requirements, industry standards, and customer expectations
  • Execute reliability qualification testing (HTOL, HAST, TDDB, TC, HTHH, etc.) on photonics and semiconductor components and modules
  • Perform FMEA to identify and mitigate reliability risks in device design and manufacturing
  • Lead root cause analysis of failures using tools such as SEM, TEM, FIB and coordinate corrective actions with design and process teams
  • Establish internal reliability guidelines and standards to meet customer and industry benchmarks
  • Apply statistical analysis and reliability modeling (Weibull, life prediction) to interpret test data and forecast field lifetimes
  • Prepare and present detailed technical reports, risk assessments, and qualification results to stakeholders

Education

  • Bachelor’s degree in Electrical Engineering, Materials Science, Physics, or related field (required)
  • Master’s or PhD in a related technical discipline (preferred)

Benefits

  • Comprehensive medical, dental & vision insurance
  • Retirement savings matching program
  • Life insurance and short/long-term disability
  • Generous paid time off, paid family leave
  • Training & development programs
  • Commuter benefits and flexible hybrid workplace model
  • Equity grants for full-time employees
To read the complete job description, please click on the ‘Apply’ button

Average salary estimate

$175000 / YEARLY (est.)
min
max
$150000K
$200000K

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Lightmatter is a team of designers, developers, and strategists that build software applications to help the world's most promising health companies improve the lives of their patients.

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BADGES
Badge Rapid Growth
CULTURE VALUES
Customer-Centric
Empathetic
Transparent & Candid
Growth & Learning
Work/Life Harmony
BENEFITS & PERKS
Maternity Leave
WFH Reimbursements
Fully Distributed
Company Retreats
Medical Insurance
Vision Insurance
Dental Insurance
Unlimited Vacation
Paid Time-Off
Paid Sick Days
Paid Holidays
Learning & Development
Health Savings Account (HSA)
FUNDING
DEPARTMENTS
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$150,000/yr - $200,000/yr
EMPLOYMENT TYPE
Full-time, hybrid
DATE POSTED
August 26, 2025
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