Facilities Manager

Lumentum Operations LLC; Towcester; On-site; GBP 65,000 - 85,000; Full time

Job summary

Lumentum is seeking a Maintenance Manager to lead the safe, reliable and efficient maintenance of the Caswell site, including buildings, utilities and critical infrastructure. You will drive proactive maintenance, manage budgets and coordinate across Production, Engineering, EHS and Quality to support production ramp‑ups and business continuity.

The role requires extensive experience in complex facilities maintenance, strong leadership and a focus on reducing downtime, with responsibility for

Qualifications

• Proven experience managing maintenance activities within a complex industrial, manufacturing, laboratory or critical‑environment facility.
• Experience managing multi‑skilled engineering teams and contractors.
• Strong knowledge of planned preventative and condition‑based maintenance.
• Experience with electrical, mechanical, HVAC and building‑services systems.
• Experience of managing maintenance budgets, suppliers and service contracts.
• Good understanding of health and safety legislation and compliance requirements.
• Ability to plan work around operational and production constraints.
• Strong communication, organisational and problem‑solving skills.

Responsibilities

• Lead and manage the site maintenance team and maintenance contractors.
• Develop and deliver the planned preventative maintenance programme.
• Reduce reactive maintenance, repeat failures and unplanned downtime.
• Ensure maintenance activities are completed safely, efficiently and in accordance with site procedures.
• Maintain high standards across critical infrastructure, including HVAC and cleanroom systems, electrical distribution and standby power systems, UPS and DRUPS, chillers and air‑handling units, UPW, CDA, nitrogen and vacuum systems, fire, life‑safety and emergency systems.
• Ensure all statutory inspections, testing and certification are completed on time.
• Maintain accurate maintenance records, asset registers and compliance documentation.
• Manage maintenance budgets, purchase orders, suppliers and contractor performance.
• Ensure all contractors are appropriately approved, inducted and controlled while on site.
• Plan and coordinate maintenance activities around production requirements, using Green‑to‑Green planning where applicable.
• Ensure all planned interruptions are properly assessed, communicated and approved.
• Support investigations into equipment failures, incidents and near misses, ensuring effective corrective actions are implemented.
• Lead root-cause analysis and continuous‑improvement activities.
• Work closely with Production, Engineering, EHS, Quality, Facilities and Project teams.
• Provide clear weekly and monthly reports to the Senior WPS Manager.
• Support capital projects, commissioning, handover and acceptance of new equipment and systems.
• Ensure maintenance strategies are suitable for the site’s future production ramp‑up and business‑continuity requirements.
• Promote strong housekeeping, safety ownership and professional standards across the maintenance function.

Skills

Maintenance management

Team leadership

PPM & CBM

Electrical & HVAC

Budget management

HSE knowledge

Planning & scheduling

Communication skills

Education

Electrical/Facilities qualification

IOSH/NEBOSH certification

Tools

CMMS

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!

Role Purpose

The Maintenance Manager is responsible for leading the safe, reliable and efficient maintenance of the Lumentum Caswell site, including buildings, production support services, utilities and critical infrastructure. The role will ensure that maintenance activities support business continuity, production requirements, compliance obligations and the planned site ramp-up. The Maintenance Manager will drive a proactive maintenance culture, reduce equipment failures and ensure that all work is planned, controlled and completed to the required standards.

Key Responsibilities

• Lead and manage the site maintenance team and maintenance contractors.
• Develop and deliver the planned preventative maintenance programme.
• Reduce reactive maintenance, repeat failures and unplanned downtime.
• Ensure maintenance activities are completed safely, efficiently and in accordance with site procedures.
• Maintain high standards across critical infrastructure, including: HVAC and cleanroom systems Electrical distribution and standby power systems UPS and DRUPS systems Chillers, compressors and air-handling units UPW, CDA, nitrogen and vacuum systems Fire, life-safety and emergency systems Building fabric and associated services BMS and control systems
• Ensure all statutory inspections, testing and certification are completed on time.
• Maintain accurate maintenance records, asset registers and compliance documentation.
• Manage maintenance budgets, purchase orders, suppliers and contractor performance.
• Ensure all contractors are appropriately approved, inducted and controlled while on site.
• Plan and coordinate maintenance activities around production requirements, using Green-to-Green planning where applicable.
• Ensure all planned interruptions are properly assessed, communicated and approved.
• Support investigations into equipment failures, incidents and near misses, ensuring effective corrective actions are implemented.
• Lead root-cause analysis and continuous-improvement activities.
• Work closely with Production, Engineering, EHS, Quality, Facilities and Project teams.
• Provide clear weekly and monthly reports to the Senior WPS Manager.
• Support capital projects, commissioning, handover and acceptance of new equipment and systems.
• Ensure maintenance strategies are suitable for the site’s future production ramp-up and business‑continuity requirements.
• Promote strong housekeeping, safety ownership and professional standards across the maintenance function.

Health, Safety and Compliance

The Maintenance Manager will: Ensure compliance with Lumentum policies, statutory requirements and safe systems of work. Maintain effective permit‑to‑work, isolation and lockout/tagout controls. Ensure risk assessments and method statements are suitable and implemented. Stop unsafe work and elevate significant risks immediately. Support audits, inspections and compliance reviews. Ensure environmental, fire, electrical and statutory obligations are effectively managed.

Performance Measures

Success in this role will be measured by: Improved asset reliability and availability. Reduction in reactive maintenance and repeat failures. Delivery of the planned maintenance programme. Reduced maintenance‑related production interruptions. Completion of statutory inspections and compliance actions on time. Effective contractor and supplier performance. Accurate maintenance records and reporting. Delivery of maintenance activities within budget. Positive feedback from production and site stakeholders. Demonstrable improvements in safety, housekeeping and maintenance standards.

Experience and Qualifications

Essential

• Proven experience managing maintenance activities within a complex industrial, manufacturing, laboratory or critical‑environment facility.
• Experience managing multi‑skilled engineering teams and contractors.
• Strong knowledge of planned preventative and condition‑based maintenance.
• Experience with electrical, mechanical, HVAC and building‑services systems.
• Experience of managing maintenance budgets, suppliers and service contracts.
• Good understanding of health and safety legislation and compliance requirements.
• Ability to plan work around operational and production constraints.
• Strong communication, organisational and problem‑solving skills.

Desirable

• Experience working in semiconductor, microelectronics, cleanroom, pharmaceutical or other high‑reliability environments.
• Experience with CMMS or maintenance‑management systems.
• Electrical, mechanical, facilities or building‑services qualification.
• IOSH, NEBOSH or equivalent health and safety qualification.
• Experience supporting capital projects and equipment commissioning.
• Knowledge of business continuity, critical utilities and resilience planning.

Personal Attributes

The successful candidate will be: Safety‑focused and willing to challenge unsafe behaviour. Proactive, organisational and able to prioritise competing demands. Calm and decisive during equipment failures or site incidents. Commercially aware and able to manage budgets effectively. A strong leader who develops people and sets clear expectations. Customer‑focused, with a clear understanding of production needs. Collaborative and able to work effectively across departments. Analytical, with a structured approach to problem‑solving. Accountable for delivering agreed actions and standards.

Authority and Accountability

The Maintenance Manager will have authority to: Direct and prioritise maintenance activities. Stop unsafe work or work that presents an unacceptable operational risk. Escalate critical asset and compliance risks to the Senior WPS Manager. Approve routine maintenance activities within delegated authority. Recommend improvements to maintenance strategy, resourcing and site infrastructure. Hold contractors and service providers accountable for agreed performance. The Maintenance Manager will remain accountable to the Senior WPS Manager for the safe, compliant, reliable and cost‑effective delivery of site maintenance.

Equal Opportunity

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.

About Lumentum

Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long‑haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began as a vision with JDS Uniphase to harness the power of photonics has evolved into a global force driving the communication infrastructure of tomorrow. At Lumentum, we’re building more than a business—we’re building a team of passionate innovators whose drive to collaborate, create, and connect the world fuels everything we do. We are part of the AI technology revolution and we are illuminating the path forward. Headquartered in San Jose, California, we operate worldwide through a network of R&D, manufacturing, and sales locations.