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Mechanical Design Development Engineer

Job in St Asaph, Saint Asaph, Denbighshire, LL17 0ER, Wales, UK
Listing for: Gooch & Housego PLC
Full Time position
Listed on 2026-06-08
Job specializations:
  • Engineering
    Mechanical Engineer, Product Engineer, Engineering Design & Technologists, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: St Asaph

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Mechanical Design Development Engineer

G&H is a world leader in optical designing, testing and manufacturing. As experts in the technology of light, G&H works with customers to provide optical systems, assemblies, and components for demanding applications.

Headquartered in Ilminster Somerset, UK with primary operations in the USA and Europe, G&H is recognised for the breadth of their acousto‑optic, electro‑optic, crystal‑optic, fibre‑optic, and precision optic products. G&H is recognised as the preferred source for OEMs in the life sciences, industrial, and aerospace and defence industries, with a history of quality and excellence that dates back over seventy‑five years.

Our success is built on innovation, precision, and the talent of our people. We are committed to developing capability at every stage of a career, from apprenticeships and graduate pathways through to leadership development.

Role

This position is based at our Optical Systems Innovation Hub in St Asaph, North Wales and focuses on mechanical system design and development of new imaging and sighting systems for Aerospace & Defence. You will be working with colleagues across the business including product management and business development to support new commercial opportunities as well as operations, supporting technology transfer to manufacture.

This is an exciting opportunity to join a multidisciplinary team of design development engineers working on new cutting‑edge products and applications including advanced multi‑band sighting systems for increased situational awareness that will drive and deliver sustained revenue growth.

Responsibilities
  • Provide mechanical systems engineering inputs from concept through testing and on to manufacture
  • Assist with requirements capture and specification definition, sensitivity analysis, reliability analysis as required
  • Work as part of a multi‑disciplinary team.
  • Produce designs of mechanical assemblies, opto‑mechanical sub‑assemblies and mechanisms for electro‑optical systems.
  • Interfacing with and managing sub‑contractors and suppliers
  • Prepare presentations and reports for both formal and informal design reviews.
  • Support handover of product data packs from design through to production
  • Work with Business Development and Engineering teams to support new opportunities and generate solutions for customers
  • Drive products from design, to prototyping up to environmental qualification following internal or customer‑driven NPI
  • Adherence to all Company policies, management systems and standard operational procedures, including legal responsibilities in relation to Health, Safety, Environmental and Quality
  • Working positively to develop and foster good working relationships with colleagues and contracted personnel in order to maintain a culture of mutual respect and dignity
  • Promote and display the G&H values:
    Customer focus, Integrity, Action, Unity, Precision
Performance Measures
  • On time delivery, cost and quality expectations of projects within his / her responsibility
  • Delivery of solutions meeting legislative and operating quality systems
Personal Attributes
  • Results orientated
  • Strong attention to detail
  • Demonstrable problem‑solving skills
  • Positive, flexible approach to working with a ‘can do’ attitude
Skills and Abilities
  • Bachelor’s degree level in Mechanical engineering
  • At least 3-5 years’ mechanical design experience within a precision industry
  • Comprehensive knowledge of 3D CAD, component design, assembly creation and production of drawings in accordance with BS.8888.
  • Experience of design of precision machines and mechanisms.
  • Experience of packaging electronics into systems enclosures.
  • Understanding of common engineering materials and finishing techniques.
  • Create and maintain technical documentation that supports the product development process including product specifications, data packs, manuals and end user instructions
  • Knowledge of finite element techniques to predict and simulate performance of proposed designs.
  • Ability to create and give presentations to customers and partners
  • Knowledge of Solidworks and PDM.
  • Understanding of pneumatic and hydraulic systems
  • Some experience of opto‑mechanical design would be an…
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