Lightmatter · 1 day ago
Engineering Manager - Photonics Test
Mountain View, CA
Full-time
Hybrid
Senior Level, Lead/Staff
$216K/yr - $280K/yr
12+ years expLightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. They are seeking a technically strong and execution focused Test Engineering Manager to lead the test development, characterization, and validation of semiconductor lasers and photonic integrated circuits (PICs).
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
Responsibilities
Define and implement test strategies for PIC characterization, validation, reliability, and manufacturing qualification
Oversee the design, deployment, and scaling of automated test setups for optical/electrical validation, including probe stations, active alignment systems, and temperature-controlled environments
Own and drive program-level milestones for test readiness, encompassing test plan definition, execution tracking, schedule risk mitigation, and cross-functional alignment
Engage with laser and integrated photonics design teams to establish design for test criteria and ensure efficient testability of device characterization DOEs and product designs
Collaborate cross-functionally with test, design, packaging, firmware, reliability, and systems teams to align test coverage with product and system-level requirements
Drive smooth transition of test flows from R&D to pilot and high-volume manufacturing, including SPC implementation, yield monitoring, and process optimization
Coordinate with external foundries, supply chain, and operations to align test capabilities with wafer/die delivery, production timelines, and sourcing constraints
Establish test plans with external component suppliers and review test reports
Manage relationships with capital equipment vendors, oversee tool procurement and calibration, and supervise outsourced test and reliability services as needed
Manage and mentor a team of test engineers supporting laser and photonics test activities at wafer, die, and package levels
Qualification
Required
Master's in Electrical Engineering, Applied Physics, Photonics or related discipline
12+ years of experience in photonics test engineering
5+ years of people management experience
Demonstrated experience building and scaling automated optical/electrical test systems
Proficiency in test automation environments (Python, LabVIEW, or similar)
Experience with program tracking tools (e.g., JIRA, Asana, MS Project) and engineering documentation management
Familiarity with reliability standards (e.g., Telcordia GR-468) and compliance (e.g., IEC 60825)
Strong analytical, organizational, and cross-functional communication skills
Experience in integrated photonics such as InP, SiPh, or hybrid platforms
Preferred
Experience collaborating with foundries and OSAT partners
Knowledge of supply chain operations and contract manufacturer test integration
Benefits
Comprehensive Health Care Plan (Medical, Dental & Vision)
Retirement Savings Matching Program
Life Insurance (Basic, Voluntary & AD&D)
Generous Time Off (Vacation, Sick & Public Holidays)
Paid Family Leave
Short Term & Long Term Disability
Training & Development
Commuter Benefits
Flexible, hybrid workplace model
Equity grants (applicable to full-time employees)
Company
Lightmatter
Lightmatter develops photonic chips that enable data processing and communication using light instead of electricity.
201-500 employees
H1B Sponsorship
Lightmatter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (12)
2023 (5)
2022 (4)
2021 (4)
2020 (4)
Funding
Current Stage
Late StageTotal Funding
$822MKey Investors
T. Rowe PriceViking Global InvestorsGoogle Ventures
2024-10-16Series D· $400M
2023-12-19Series C· $155M
2023-05-31Series C· $154M
Leadership Team
Nicholas Harris
Founder, CEO
B
Bob Turner
Sr. VP Sales & Solution Architecture
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase