[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Lumentum Holdings jobs](https://jobs.opennash.com/companies/lumentum-holdings/) · [Search jobs](/search/) Lumentum Holdings # Senior Epitaxy Equipment Engineer United Kingdom - Towcester Northamptonshire Senior individual contributor Finance & Accounting Listed on Lumentum Holdings’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there. [Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/United-Kingdom---Towcester-Northamptonshire/Senior-Epitaxy-Equipment-Engineer_20261046) [OpenNash Jobs](https://jobs.opennash.com/) / [Lumentum Holdings](https://jobs.opennash.com/companies/lumentum-holdings/) / Senior Epitaxy Equipment Engineer ## Job description It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Senior Epitaxy Equipment Engineer It’s an exciting time to join Lumentum! Lumentum (NASDAQ: LITE) is a market-leading manufacturer of innovative optical and photonic products enabling optical networking and commercial laser customers worldwide. Lumentum’s optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. Lumentum’s commercial 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. ### Summary You will provide Equipment Engineering support to the Epitaxy Shift Equipment Engineers and Technicians at the Caswell site. This will include (but not limited to) Continuous Improvement projects, day to day production support, assisting with fault finding / repair of production equipment and associated systems, working with Process Gas systems and the use of self-contained breathing apparatus (SCBA). ### Key Responsibilities Daily maintenance planning coordinating with Manufacturing and Process teams. Equipment improvements and upgrades and assistance with installations Providing technical input to new tool procurement, commissioning and release to process. Working on MOVPE and associated equipment to minimize downtime during production. This will include include phosphorous-trap and gas cylinder changes using self-contained breathing apparatus SCBA (training will be provided as neccessary, must be clean shaven). Forklift truck driving (training will be provided). Oversee chemical, gases and spare parts control, chemical fills and waste management. Provide technical direction and instruction to Shift Technicians regarding procedures, safety and best practice. Assist with logistic projects, e.g. equipment relocation, cleanroom reorganization, shipping, etc. Assist with shutdown activities (some weekend overtime may be required). Liaising with equipment and spares suppliers and specialist service providers (including the supervision of external contractors and field service engineers). Developing and delivering preventative maintenance strategies to maximise equipment utilisation and up-time. Adhere to all site safety and environmental procedures. Support of site emergency response function. Key Relationships Epitaxy Process Engineering Team Manufacturing Operations Team Site Facilities Team Qualifications An HNC or Degree in an electrical/mechanical engineering discipline or equivalent time-served apprenticeship. 5 years of experience within a Wafer Fab or Epitaxy Engineering environment. Electrical qualifications such as BS7671 18th edition would be an advantage. ### Skills Essential Electrical engineering experience to include low and high voltage working. Comprehensive Semiconductor Engineering experience (Minimum 5 years) including MOVPE and/or MOCVD. Experience of a fast-paced semiconductor manufacturing environment. Excellent knowledge of vacuum systems including Hi-Vac principles, pumps and leak-checking, pneumatic systems and the operation & use of PLCs. Ability to read and quickly understand equipment wiring and mechanical schematics. Familiar and comfortable with the use of hazardous process gases. Competent Microsoft office user. ### Desirable Previous experience with Aixtron MOVPE reactors or any other CVD equipment. Semiconductor Process Gas experience to include Mass Flow Controllers. Previous experience with Dry Abatement systems. ### Other Requirements Day Shift 08:00 - 16:00 Working within a cleanroom environment with the prerequisite use of cleanroom clothing. Contactable for advice or call out should the occasion arise. Requirement to wear (SCBA) self-contained breathing apparatus. This will require candidate to be clean shaven. Excellent standard of written and spoken English is essential. Eligible to work in the UK, though we will also consider visa sponsorship for this role. 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/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. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 7 days - Location: United Kingdom - Towcester Northamptonshire[Apply on Lumentum Holdings’s careers site →](https://lumentum.wd5.myworkdayjobs.com/LITE/job/United-Kingdom---Towcester-Northamptonshire/Senior-Epitaxy-Equipment-Engineer_20261046) ## More jobs at Lumentum Holdings ### [Epitaxy Process Shift Engineer](https://jobs.opennash.com/companies/lumentum-holdings/jobs/0798f6c61a01216ccae3/) United Kingdom - Towcester Northamptonshire ### [Contractor Manager](https://jobs.opennash.com/companies/lumentum-holdings/jobs/0d93630fdba514519e02/) United Kingdom - Towcester Northamptonshire ### [Equipment Maintenance Engineer (Electrical/Mechanical maintenance backrground)](https://jobs.opennash.com/companies/lumentum-holdings/jobs/fac17f53c8be5a48dc49/) United Kingdom - Towcester Northamptonshire ## Similar jobs at other companies ### [Diffusion / Epitaxy Equipment Technician](https://jobs.opennash.com/companies/nxp-semiconductors/jobs/519d392f7c65e590c649/) NXP Semiconductors · Austin ### [Equipment Sales Engineer](https://jobs.opennash.com/companies/trane-technologies/jobs/b482d6ed823490a8364f/) Trane Technologies · Finland ### [DEMO Equipment Engineer](https://jobs.opennash.com/companies/siemens/jobs/8eff0306ee28cb8003af/) Siemens ### [Equipment Sales Engineer](https://jobs.opennash.com/companies/trane-technologies/jobs/231324a716d066455679/) Trane Technologies · Copenhagen, Denmark ### [Senior Equipment Engineer – Handler](https://jobs.opennash.com/companies/infineon-technologies/jobs/fa6909be4fe8a1a1b65b/) Infineon Technologies · Batam OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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