Senior Test Engineer

Teledyne Technologies Incorporated provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research.​

We are looking for individuals who thrive on making an impact and want the excitement of being on a team that wins.

We are seeking a Senior Optical Test Engineer to join our Test Engineering team at our St Asaph site. This role is critical to supporting New Product Introduction (NPI), sustaining production, and driving continuous improvement across optical test processes and equipment.

You will work closely with Optical Design, Manufacturing, Quality, and Operations teams to ensure optical products meet demanding performance, quality, and regulatory requirements in a high‑reliability engineering environment.

• →Develop, execute, and maintain optical test methods and procedures to verify product performance against specification
• →Provide hands‑on test support to NPI and production, including fault finding, root cause analysis, and corrective action
• →Own and improve optical test equipment, including calibration, reliability, and obsolescence management
• →Drive continuous improvement initiatives such as test time reduction, process robustness, and yield improvement
• →Interface proactively with Operations to identify and mitigate test‑related risks
• →Generate and maintain technical documentation, test reports, and compliance evidence
• →Ensure all test activities comply with company procedures, Health & Safety, and regulatory requirements
• →Support and mentor junior engineers and technicians within the test function

• Degree (or equivalent experience) in Physics, Optical Engineering, Photonics, or a related discipline
• Practical experience in optical testing or metrology within a manufacturing environment
• Strong understanding of optical principles (imaging, alignment, aberrations, tolerancing)
• Experience troubleshooting complex optical systems and test setups
• Ability to work effectively across multi‑disciplinary engineering and operations teams
• Clear technical communication and structured problem‑solving skills

• Experience supporting NPI programmes and stage‑gate reviews
• Familiarity with optical test equipment (e.g. interferometry, MTF, alignment benches)
• Experience in regulated or high‑reliability sectors (Aerospace, Defence, Medical, Automotive)
• Knowledge of test automation or data analysis tools