Plessey Semiconductors

Advanced Architectures Team lead Department: R&D Employment Type: Full Time Location: Plymouth Description This is a key technical leadership role within Plessey's advanced technology organisation. The successful candidate will lead a small team of engineers focused on the development and industrialisation of new device architectures, while establishing processes, methodologies, and technical protocols across multiple emerging technology areas. The role will work closely with epitaxy, optics, and device physics teams to drive innovation from concept through fabrication, characterisation, and technology transfer into scalable manufacturing environments. This position is ideal for an individual with a strong technical background in semiconductor devices, photonics, and advanced process integration, combined with a proven track record of developing new architectures and leading multidisciplinary R&D activities. Key Responsibilities Lead the development of next-generation semiconductor and photonic device architectures. Define and implement technical processes, workflows, and engineering protocols for emerging technology programs. Establish best practices for device fabrication, characterization, testing, and process integration. Work closely with epitaxy, optics and photonics, device physics, process integration and manufacturing teams. Translate research concepts into manufacturable technology solutions.Support technology transfer activities from R&D into production environments. Lead and mentor a small team of engineers and researchers. Coordinate technical priorities, project execution, and development activities. Foster a collaborative and innovation-driven engineering culture. Contribute to long-term technology roadmap development. Identify new opportunities in photonics and advanced semiconductor architectures. Support intellectual property generation including patents and technical publications. Skills, Knowledge and Expertise PhD preferred in Semiconductor Physics, Materials Science, Photonics, Electronic Engineering or related discipline. Minimum 5 years' experience in III-V semiconductor or photonics R&D environments. Strong technical expertise in semiconductor device physics and advanced fabrication technologies. Proven experience developing and implementing new device architectures. Hands-on experience with semiconductor process development and characterisation. Experience working within multidisciplinary engineering teams. Proven experience with advanced semiconductor and photonic device architectures within MicroLED or Optical compute would be an advantage. Benefits Pension scheme Private medical & dental insurance 28 days' holiday + bank holidays Free onsite meals Onsite gym Relocation support Visa support available

Plessey Semiconductors in Plymouth is seeking an Advanced Architectures Team Lead to spearhead the development of innovative semiconductor and photonic devices. The successful candidate will lead a small engineering team while collaborating closely with multidisciplinary departments to translate research concepts into manufacturable products. This role requires a PhD in a relevant field and at least 5 years of hands-on experience in semiconductor process development. Benefits include a pension scheme, private medical insurance, and onsite amenities.

Plessey Semiconductors is seeking a Senior Infrastructure & Platform Engineer in Plymouth to enhance its infrastructure capacity and cloud presence. You'll join an experienced team focusing on modern infrastructure practices, including automation and DevOps. Key responsibilities involve managing Windows Server and VMware environments, Kubernetes clusters, and AWS services, while ensuring secure and efficient infrastructure operations. The role offers various benefits including private medical insurance and onsite gym facilities.

Plessey Semiconductors is looking for a Process Development Team Lead in Plymouth to oversee technical development in MicroLEDs. The role combines leadership with technical challenges, focusing on process optimization and team management. The ideal candidate should have a PhD and 5+ years in III-V semiconductor fabrication, exhibiting strong communication skills and a proactive mindset to inspire and support teams. Benefits include a pension scheme, medical insurance, and relocation support.

Process Development Team Lead Department: R&D Employment Type: Full Time Location: Plymouth Description As we continue to grow, we have an exciting opportunity for a Team Lead to join our team. This is a highly technical role where you will identify and solve complex technical challenges while further developing your leadership capabilities and building a high performing technical team. Key Responsibilities You will combine technical leadership, team management, and cross-functional coordination to support the successful development and delivery of our technology. Working closely with epitaxy, process engineering, operations, quality, test, and program management teams, you will ensure the efficient execution of development activities and the successful achievement of project milestones. You will define, maintain, and continuously mature process development flows and integration stages, driving improvements in performance, scalability, and manufacturability. The role requires identifying and resolving complex technical challenges impacting device performance, process uniformity, and electrical or process yield, while driving innovation through the development of novel MicroLED process architectures. You will be responsible for your team's technical documentation, reporting, and development planning, coordinating development runs and effectively utilising development technicians to maintain process continuity across day and night shifts. In addition, you will lead, develop, and mentor a team of development engineers, supporting their professional growth through structured training, conference participation, and internal and external technical seminars. Skills, Knowledge and Expertise A PhD in Physics, Electrical/Electronic Engineering, Materials Science, or a related discipline, or equivalent industry experience. 5+ years hands on experience developing and optimising III V semiconductor fabrication processes in a cleanroom environment. Strong experience in AlGaInP-based optoelectronic devices, including Red LEDs, MicroLEDs, laser diodes, or related III V semiconductor technologies; experience with Red MicroLEDs or AlGaInP LED technologies would be an advantage. Proven experience in epitaxial structure optimisation, device physics, semiconductor process integration, and performance improvement of III V optoelectronic devices. Demonstrated track record of improving External Quantum Efficiency (EQE), Wall Plug Efficiency (WPE), optical output power, yield, and reliability through device, epitaxial, and process optimisation. Strong knowledge of semiconductor device physics and semiconductor process techniques including lithography, etch, CVD, PVD, evaporation, ALD, and IBD. Experience with DOE, SPC, CAM systems, and statistical analysis techniques. Strong communication and stakeholder management skills, with the ability to clearly communicate technical decisions across cross functional teams. Proactive mindset, and the ability to inspire and support others within a fast paced development environment. You should have a proven ability to contribute to or lead technical projects, coordinate across functions, and drive work to completion in a structured and methodical way. Previous management experience would be an advantage; however, we are equally interested in individuals with strong leadership potential, and we have a structured development path at Plessey where you will be well supported in your role. Benefits Pension scheme Private medical & dental insurance 28 days' holiday + bank holidays Free onsite meals Onsite gym Relocation support Visa support available

Senior Infrastructure & Platform Engineer Department: Operations Employment Type: Full Time Location: Plymouth Description This role exists to strengthen the depth and resilience of Plessey's infrastructure capability. We operate a mature on premises estate spanning virtualisation, hyper converged infrastructure, container platforms, and enterprise identity-and are actively expanding our cloud presence to support business critical platforms. You will work alongside an experienced infrastructure team, bringing senior level platform knowledge and the ability to operate in a modern, DevOps informed way-using code, automation, and pipelines to build and operate infrastructure reliably and at scale. This is not a pure DevOps role. We need someone with strong infrastructure fundamentals who works in a structured, automated way and has the appetite to grow our cloud and IaC capability alongside the team. Key Responsibilities Administer and support Windows Server environments, including Hybrid Azure AD, Group Policy, DNS, and DHCP across the estate. Manage VMware virtualisation platforms. Support the ongoing Nutanix HCI implementation, including post migration operational support. Maintain and develop on premises Kubernetes clusters supporting manufacturing execution systems. Maintain Linux based infrastructure underpinning core services and container workloads. Support Intune and Microsoft 365 endpoint and platform configuration. Manage and grow AWS environments, including platforms supporting YieldWerx and other cloud hosted services. Develop and maintain Infrastructure as Code using Terraform and/or Bicep. Build and maintain CI/CD pipelines using GitHub Actions to automate infrastructure deployment and configuration. Ensure cloud resources are provisioned securely, consistently, and cost effectively. Contribute to security standards, patching schedules, and system hardening across all platforms. Version control infrastructure configuration and changes using Git. Produce and maintain clear, accurate technical documentation. Provide senior technical guidance and share knowledge to reduce operational single points of failure. Participate in on call and incident response activities as required. Skills, Knowledge and Expertise Proven experience in a senior infrastructure engineering role. Strong hands on expertise with Windows Server, Active Directory, and Hybrid Azure AD. Experience administering VMware vSphere in production environments. Solid Linux administration experience (RHEL, Ubuntu, or equivalent). Practical, hands on Kubernetes experience including deployment, operations, and troubleshooting. Demonstrable AWS experience including EC2, S3, VPC, IAM, and core platform services. Working knowledge of Infrastructure as Code using Terraform. Experience with CI/CD tooling such as GitHub Actions or equivalent platforms. Strong scripting capability in PowerShell, Bash, or Python. Confident working with Git and version controlled infrastructure. Takes ownership and drives issues through to resolution independently. Works methodically under pressure and effectively balances competing priorities. Actively shares knowledge and reduces reliance on single points of expertise. Communicates clearly with both technical and non technical stakeholders. Comfortable working in an environment transitioning from traditional on prem infrastructure to a more modern, automated, cloud centric model. Advantage Experience with Nutanix HCI or similar converged infrastructure platforms. Microsoft Azure experience (IaaS, PaaS, Intune, M365). Familiarity with Aruba networking or Fortinet firewall platforms. Relevant certifications: AWS SysOps Administrator, CKA, AZ 104, or equivalent. Experience with monitoring and observability tooling (Prometheus, Grafana, or similar). Background in a manufacturing, semiconductor, or regulated environment. Benefits Pension scheme Private medical & dental insurance 28 days' holiday + bank holidays Free onsite meals Onsite gym Relocation support

Plessey Semiconductors is seeking a Technical Lead Epitaxy in Plymouth to drive the development of epitaxial growth processes for MicroLED technology. In this role, you will oversee MOCVD process development and collaborate with R&D, ensuring high-quality results in device performance. The ideal candidate has extensive experience in AsP epitaxy, with hands-on skills in lab environments, and will provide technical leadership and mentorship to a team of engineers. Benefits include a pension scheme, private medical insurance, and onsite facilities.

Technical Lead Epitaxy Department: R&D Employment Type: Full Time Location: Plymouth We are seeking a hands-on Epitaxy Tech lead to drive the development, optimisation, and production support of epitaxial growth processes for our MicroLED technology. You will report into R&D and will drive and execute the epitaxial process development, reactor performance, and material quality, while working closely with device, integration, and manufacturing teams to enable high-performance devices and scalable manufacturing. This role combines technical leadership with hands-on work, using your expertise to directly advance our technology. Key Responsibilities Develop and optimise III-AsP epitaxial growth processes using MOCVD for advanced device structures, ensuring high crystal quality, low defect density, and scalable manufacturability. Define suitable procedures/techniques for material characterisation. Design, plan, and execute Design of Experiments (DOE) to systematically optimise MOCVD growth parameters. Analyse epitaxial characterisation data and identify key process drivers influencing crystal quality, interface abruptness, and electrical performance. Collaborating with R&D, you will take full technical ownership of MOCVD process development, from early-stage epitaxial structure design through qualification and transfer to high-volume manufacturing. Define and establish robust MOCVD process windows, to ensure stable and repeatable epitaxial growth. Provide hands-on support when required for MOCVD reactor operation, including process setup, calibration, troubleshooting, and optimisation of growth conditions. There will be a team of experienced Epitaxy Engineers but as one of the technical experts you will be the go to person to advise and support. Provide technical leadership within the MOCVD epitaxy module, supporting engineers in best practices for growth, reactor operation, and process control. Mentor and develop junior engineers. Document and update best practice procedure to be used for troubleshooting and training junior engineers. Research on current trends in the industry and academia concerning microLED technology, AR/VR, visual light communication and optical computing from publications, conference proceedings and patents. Contribute to technology roadmap development. Strong collaboration across device, integration, and manufacturing teams. Skills, Knowledge and Expertise Proven experience involving AsP epitaxy for photonics including LEDs and uLEDs, edge emitting lasers, VCSELs, preferably on GaAs, preferably in the visible range. Experience in III-V on Si/Ge and Si photonics is also of interest. Experience scaling R&D processes into manufacturing. Previous and direct experience with relevant epitaxy tools. Highly hands-on and experimental mindset. Strong problem-solving and troubleshooting ability. Comfortable working in lab and fab environments. Ability to translate device requirements into epitaxial structures. Ability to organise data in order to support the team to arrive at solutions efficiently, by focusing on appropriate issues. Be committed and contribute towards a continuous improvement operating environment. Proactive attitude and able to work independently and task ownership. Benefits Pension scheme Private medical & dental insurance 28 days' holiday + bank holidaysFree onsite meals Onsite gym Relocation support Visa support available