Team Lead – Films Technology

About the Role

We are seeking an experienced and innovative Team Lead for Films Technology to drive the development optimisation and integration of thin-film processes for advanced Micro

LED display devices. This role oversees end-to-end technology development including epitaxial layers passivation films optical coatings buffer layers and functional thin films critical to Micro

LED performance yield and reliability. The ideal candidate has strong technical depth in semiconductor materials and thin-film engineering along with proven leadership experience in guiding cross-functional teams.

• Drive process innovation to enhance device efficiency reliability uniformity and surface quality
• Take ownership of deposition process modules (PVD ALD PECVD sputtering evaporation plating) and ensure stable high-quality film performance
• Work closely with epitaxy device and integration teams to define film requirements and deliver optimised stack architectures
• Establish and refine process windows through DOE SPC and data-led analysis
• Identify and resolve thin-film defect mechanisms such as particles stress adhesion moisture ingress and interface issues
• Support reliability engineering by assessing film stability under thermal optical electrical and environmental stress
• Utilise advanced metrology (SEM TEM AFM ellipsometry XRR XPS SIMS etc.) to ensure film quality and process control
• Act as Tool Owner for assigned equipment maintaining tool performance uptime safety and accurate documentation
• Lead continuous improvement initiatives to reduce downtime enhance tool capability and troubleshoot complex tool or process issues
• Provide day-to-day leadership to the module team including line management of Apprentices Graduates Engineers and Senior Engineers
• Conduct performance reviews set objectives and support the technical and professional development of team members
• Oversee resource planning to ensure effective deployment of personnel equipment and expertise across projects
• Collaborate with the Module Manager to align team activities with broader project and company objectives

• Masters or PhD in Materials Science Electrical Engineering Applied Physics or a related discipline
• Significant industry experience (7 years) in thin-film engineering within the semiconductor industry
• Practical expertise in thin-film deposition (PVD ALD PECVD MOCVD sputtering evaporation)
• Strong background in microfabrication and device process integration
• Proven experience leading engineers projects or technical teams
• Demonstrated tool ownership
• Strong technical judgement and decision-making skills

• Excellent problem-solving skills particularly in ambiguous or fast-moving environments
• Ability to prioritise and deliver within tight development cycles
• Strategic thinker with the ability to plan roadmaps and guide technology direction

• Experience with GaN-based device processing and characterisation
• Good understanding of Micro
  
  LED device architecture materials challenges and reliability mechanisms

• Knowledge of optical coatings and light-management films used in display devices
• Familiarity with high-volume manufacturing (HVM) processes and scaling challenges
• Experience in defect engineering surface passivation or interfacial film optimisation

Plessey is working with world leaders in consumer technology who are paving the way with innovative next-generation Augmented Reality and wearable applications based on advanced micro

LED display solutions.

Challenging existing display technologies micro

LEDs are propelling forward a vast yet stagnated market changing the way we interact with our devices both for information and entertainment.

Drawing on over a decade of semiconductor and optoelectronics expertise Plessey has developed an award-winning unique and proprietary GaN-on-Silicon platform and monolithic process at its state-of-the-art manufacturing facility.

For more information visit

• Cycle to work scheme
• Group personal pension plan and life assurance
• 28 days holiday plus bank holidays
• Subsidised gym and…