Graduate Engineer in Plymouth

We’re building the hardware foundation for next-era computing.

Plessey is a world‑leading technology company driving the next generation of photonic devices and systems.

With over 70 years of innovation, we combine research, materials science, process engineering, and manufacturing under one roof.

We’re recognised as a global authority in micro LED displays, optical computing, and optical interconnects.

Join us to work on breakthrough technologies shaping the future of light‑based technology and computing.

Our Values

Lead

We don’t follow industry trends; we create them, pushing boundaries and setting standards others aspire to.

Every team member has the power to make decisions, drive change, and deliver excellence.

We support each other, challenge one another for the best solutions, and lead by example.

Together, we build industries and technologies that shape the future and scale toward our vision of the next era of computing.

Grow

We expand our capabilities every day — deepening our expertise, improving how we work, and pushing the boundaries of what’s possible.

Curiosity fuels us: we question assumptions, explore new ideas, and innovate with light‑based technologies.

By investing in and empowering our people, we strengthen Plessey’s impact and help shape the future of optical technology.

Trust

We operate like a family—honest, reliable, and supportive.

We have each other’s backs, own our actions, and uphold the highest standards of integrity and safety.

We trust each other to deliver, our customers to challenge us, and our expertise to guide the way.

Together, trust enables the collaboration essential for breakthrough innovation and lasting impact.

Location

Located at our head office and state‑of‑the‑art fabrication facility in Plymouth.

About the role

We are seeking a motivated and enthusiastic Graduate Engineer to join our Epitaxy team.

This is an excellent opportunity for a recent graduate to develop expertise in semiconductor epitaxial growth processes while contributing to process monitoring, data analysis, automation, and continuous improvement initiatives.

Working alongside experienced engineers and scientists, you will support the manufacture and development of high-performance semiconductor devices by analysing process data, maintaining metrology systems, developing scripting tools, and producing technical reports.

Responsibilities

• Support the operation and optimisation of epitaxial growth processes.
• Perform routine process monitoring and assist with process troubleshooting.
• Collect, analyse, and interpret manufacturing and metrology data to identify trends and opportunities for improvement.
• Develop and maintain scripts to automate data collection, analysis, reporting, and routine engineering tasks.
• Support the maintenance and continuous improvement of engineering databases and reporting tools.
• Carry out metrology measurements using semiconductor characterisation equipment and ensure measurement accuracy and repeatability.
• Analyse metrology results to verify process performance against specifications.
• Produce regular engineering reports, dashboards, and presentations summarising process performance, yield, and key metrics.
• Work closely with Process Engineers, Manufacturing, Quality, and Equipment Engineering teams to investigate process issues.
• Maintain accurate engineering documentation and follow established quality procedures.
• Ensure compliance with health, safety, environmental, and cleanroom working practices.

Experience

• Bachelor’s or master’s degree in Materials Science, Physics, Electronic Engineering, Chemical Engineering, Semiconductor Engineering.
• Strong analytical and problem‑solving skills.
• Good understanding of data analysis and statistical methods.
• Experience with scripting or programming such as Python or MATLAB.
• Ability to present technical information clearly through written reports and presentations.
• Strong attention to detail and organisational skills.
• Comfortable working with large datasets and engineering software.
• Good communication skills and ability to work effectively within a multidisciplinary team.
• Advantage
• Knowledge of semiconductor manufacturing processes.
• Understanding of epitaxial growth techniques such as MOCVD or MBE.
• Experience with semiconductor metrology techniques (e. g. XRD, PL, AFM, ellipsometry, optical microscopy, profilometry, or similar).
• Familiarity with SQL, data visualisation tools (Power BI, Tableau), or laboratory information systems.
• Basic understanding of statistical process control (SPC).
• Familiarity with version control systems such as Git.
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