Mechanical Technician

Position: Mechanical Technician

Department: Cryobitz Manufacturing

Location: Witney

Salary: competitive

Role Purpose

We are seeking a skilled, practical technician to manufacture and assemble high-quality cryogenic products, including transfer lines, LN₂ traps, vacuum-insulated components and associated assemblies.

This is a hands-on role with a strong emphasis on precision welding, soldering, brazing, and mechanical assembly. The successful candidate will produce neat, accurate and carefully to engineering drawings and defined quality standards.

Key Responsibilities

Assemble bespoke cryogenic systems from engineering drawings and build information.
Fit pipework, valves, vacuum components, flanges and mechanical assemblies.
Perform vacuum and helium leak testing of components and assemblies.
Prepare, clean and handle components for high and ultra-high vacuum (UHV) applications.
Maintain high standards of cleanliness throughout assembly and prevent contamination of vacuum-critical components.
Complete mechanical fitting, drilling, tapping and general assembly work.
Occasionally operate manual mills and lathes for simple machining and modification work.
Follow route cards, drawings, Standard Work Instructions and manufacturing instructions.
Complete and record required checks during assembly.
Identify, investigate and resolve build problems, escalating issues where required.
Carry out rework and modifications when required.
Essential Skills and Experience

Previous mechanical assembly, engineering or manufacturing experience.
Strong practical and mechanical skills.
Ability to read and work from engineering drawings.
Good problem-solving skills and the ability to identify practical solutions to build issues.
Excellent attention to detail and a high standard of workmanship.
Ability to work to strict cleanliness standards.
Experience using hand tools and workshop equipment.
Ability to follow documented processes and instructions.
Able to work independently and take responsibility for the quality of completed work.

Good communication and teamwork skills.

Desirable Skills & Experience

Experience handling and assembling components for high vacuum or ultra-high vacuum (UHV) applications.
Understanding of UHV cleanliness, contamination control and appropriate component handling..
Vacuum and helium leak testing.
Cryogenic or high-vacuum equipment.
Stainless steel pipework and fittings.
Swagelok or similar compression fittings.
Manual milling and turning.
Precision mechanical assembly.
Scientific, laboratory or specialist engineering equipment.
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