Test & Characterisation Engineer

Test & Characterisation Engineer

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Suffolk, UK Onsite working required
Key Responsibilities
Design, build, and execute complex optical and electrical test setups, including automated measurement systems.
Develop effective Design of Experiments (DoE) methodologies and perform advanced measurements to support product development.
Create and implement modular characterisation protocols and test methods aligned with project requirements.
Analyse and interpret device performance data to extract key metrics, identify trends, and determine failure modes.
Produce clear technical reports summarising verification and characterisation results, providing recommendations for future development.
Collaborate closely with design, process, test, and reliability engineering teams.
Contribute to the development of test strategies for new device platforms and emerging technologies.
Support continuous improvement initiatives relating to laboratory workflows, automation, engineering processes, and best practices.
Assist with additional technical activities as required to support project and business objectives.
To be considered you will need the following:
Degree in Physics, Optoelectronics, Photonics, or a related discipline (Masters or PhD preferred).
Experience designing and operating laboratory test setups for photonic or optoelectronic device characterisation.
Strong understanding of III-V optoelectronic device physics.
Experience with optical characterisation techniques, including: Optical power measurements
Spectral analysis
Optical coupling and alignment
Laser and fibre-optic instrumentation

Proficiency in electrical characterisation methods, including: DC and pulsed IV measurements
High-speed modulation testing
RF probing techniques

Strong data analysis and programming skills using tools such as Python, MATLAB, and database systems.
Ability to analyse complex datasets and communicate technical findings effectively through reports and presentations.
Knowledge of semiconductor fabrication processes, cleanroom environments, or wafer-level testing.
Experience with automated test systems and instrument control frameworks such as LabVIEW or NI TestStand.
Experience in high-speed photonics, including GHz-range modulation, eye diagram analysis, and S-parameter measurements. xwzovoh
Understanding of photonics packaging, integration, and reliability testing.
Additional programming experience in LabVIEW, C++, or C#.