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Lumentum Holdings Inc. is a designer and manufacturer of optical and photonic products enabling optical networking and laser applications worldwide. Its products support cloud and communications network operators, network equipment manufacturers, data-centre infrastructure, artificial intelligence and machine learning applications, data-centre interconnects, communications networks and industrial technology markets.
JOB PURPOSE:
Provide hands-on technical leadership for the safe, reliable and efficient operation of the Reliability Laboratory and its test hardware. Support semiconductor and optoelectronic qualification through equipment ownership, low-voltage DC test development, test coordination and technician guidance.
KEY RESPONSIBILITIES:
• Coordinate laboratory priorities, test schedules, equipment availability and technician workload.
• Support HTOL, burn-in, damp heat, HAST, temperature cycling, high-temperature storage, ESD and other reliability testing.
• Operate, maintain, troubleshoot and improve ovens, chambers, testers, SMUs, fixtures, carriers and associated instrumentation.
• Develop, modify and debug low-voltage DC test circuits, wiring, probe boards, fixtures, sensors and device interfaces.
• Support equipment installation, commissioning, calibration, preventative maintenance and acceptance testing.
• Maintain work instructions, equipment records, test logs, maintenance schedules and risk assessments.
• Apply MSA, GR&R, SPC, capability analysis, Six Sigma, 8D and root-cause methods to improve repeatability and control.
• Lead, provide technical guidance and coaching to technicians and interface with Reliability, R&D, Pilot line/Die Fab/ Wafer Fab, Manufacturing operations, Facilities, Quality, EHS and suppliers.
• Maintain awareness of AC mains safety, isolation and grounding; the primary technical focus is DC test systems.
KEY RELATIONSHIPS:
• Reliability Engineering, R&D and Product Design and Development.
• Prototype assembly and Manufacturing Test, and Verification Engineering.
• Facilities, Maintenance, Quality and EHS.
• Equipment suppliers and service providers.
REPORTS:
• Report to Engineering Dev Manager, Chip Reliability.
EDUCATION/QUALIFICATIONS/SKILLS/COMPETENCIES:
Education/Qualification - Minimum:
• HND or equivalent technical qualification with substantial related practical experience; or a Bachelor's degree with typically 5+ years of related experience;
Skills/Competencies Essential:
• Minimum seven years' hands-on experience in a high-technology, precision-engineering, electronics, semiconductor, optoelectronics or controlled laboratory environment.
• Ability to apply professional concepts to solve complex problems, work independently within broadly defined practices and provide guidance to lower-level personnel.
• Practical experience with electrical or electro-mechanical test equipment, instrumentation, fixtures or laboratory apparatus.
• Experience with DC testing, wiring, power supplies, sensors, source-measure equipment or test-fixture development.
• Strong fault-finding skills and ability to read schematics, wiring diagrams and technical documentation.
• Good planning, communication and record-keeping skills, with the ability to follow controlled procedures.
• Awareness of AC mains hazards, isolation, grounding and safe working practices.
Skills/Competencies Desirable:
• Previous experience in semiconductor, photonics, laser or optoelectronic reliability testing.
• Experience with HTOL, burn-in, damp heat, HAST, temperature cycling, ESD or environmental test equipment.
• Experience with automated test systems, SMUs, PXI, optical measurement systems or probe stations.
• Experience with calibration, MSA, GR&R, SPC, Six Sigma, 8D or process capability analysis.
• Experience managing, supervising or coordinating technicians, including workload planning, coaching and skills development.
• Experience transferring equipment or test methods from R&D into manufacturing or routine laboratory operation.
• Experience working with external equipment suppliers and service providers.
OTHER REQUIREMENTS:
• Primarily laboratory-based, with occasional out-of-hours support for critical or long-duration testing.
• Must be eligible to work in the UK.
• A driving licence and access to transport may be beneficial due to the rural Caswell location.
LOCATION AND BENEFITS:
The office is based in a rural location in Towcester, Northamptonshire and is not supported by public transport.
We offer company benefits such as 25 days holiday plus bank holidays, private medical cover, pension, health cash plan, training and development with career progression, plus much more.
EQUAL OPPORTUNITIES:
Lumentum is committed to equal opportunities and actively seeks applications from all sectors of the community irrespective of sex, race, colour, nationality, ethnic or national origin, disability, marital status, sexual orientation, having responsibility for dependents, age, religion or beliefs, or any other reason which cannot be shown to be justified.
We are an equal opportunity employer and value diversity at our company.
We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.
Please contact us to request accommodation.
Skills Required
- Master's degree in Applied Physics, Electrical Engineering, Materials Science, or a related discipline
- Minimum five years of experience in semiconductor optoelectronics
- Experience defining, planning, and implementing optoelectronic component reliability and qualification programs
- Knowledge of optoelectronic failure modes involving lasers, photodetectors, modulators, resistors, waveguides, and fiber coupling
- Hands-on experience with accelerated life testing and life prediction of optoelectronic devices
- Experience with reliability modeling and statistical software such as ReliaSoft/Weibull++, JMP, Minitab, or Python
- Experience with Design for Reliability, FMEA, and FTA frameworks
- Strong report writing, presentation, data analysis, and technical communication skills
- PhD in Applied Physics, Electrical Engineering, Materials Science, or a related discipline
- Experience in fabrication and process engineering
- Experience with die-level characterization and test instrumentation engineering
- Experience with C, C#, and Python
- Experience using electroluminescence, FIB, SEM, TEM, and EDX for root-cause analysis
- Experience with optoelectronic component design and COMSOL or Ansys
- Experience communicating with customers about reliability and qualification
- Mentoring experience
- Good interpersonal and project management skills
- Willingness and ability to travel worldwide to visit customers
Lumentum Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lumentum and has not been reviewed or approved by Lumentum.
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Equity Value & Accessibility — Equity is positioned as a meaningful part of total compensation, with RSUs frequently framed as a valued component of offers. An employee stock purchase plan with a discount and look-back further reinforces equity access as part of rewards.
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Retirement Support — Retirement benefits are presented as a clear strength, with a 401(k) match and immediate vesting highlighted as supportive features. Auto-enrollment and match eligibility details indicate a structured retirement program for U.S. employees.
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Healthcare Strength — Multiple medical plan options are described, including PPO and HDHP/HSA choices and Kaiser in some locations, suggesting breadth and choice in coverage. Health and well-being programming is also characterized as part of a comprehensive benefits approach.
Lumentum Insights
What We Do
Lumentum (NASDAQ: LITE) is a market-leading designer and manufacturer of innovative optical and photonic products enabling optical networking and laser applications worldwide. Lumentum optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. Lumentum lasers enable advanced manufacturing techniques and diverse applications including next-generation 3D sensing capabilities. Lumentum is headquartered in San Jose, California with R&D, manufacturing, and sales offices worldwide. For more information, visit www.lumentum.com.








