Senior Machinist

An innovative clean energy technology business is developing next-generation power systems designed to support the global transition away from fossil fuels. Operating at the intersection of advanced engineering, prototype development and precision manufacturing, the business is expanding its technical capability to support continued growth.

We’re looking for an experienced Senior Machinist to take a lead role within the machine shop. You’ll manage CNC programming and machining operations, CAD/CAM design work, tooling management and precision component manufacture, playing a vital part in delivering complex engineered hardware.

This role would suit a skilled machinist who is comfortable working independently, contributing to design decisions, and taking ownership of machine shop capability, output quality and continuous improvement.

Responsibilities include:

Programming, setting and operating 3 and 5-axis CNC machinery to produce high-precision components

Using CAD/CAM software (Fusion 360 / SolidWorks) to create and optimise machining programmes, fixtures and components

Machining complex prototype and low-volume engineered components, including exotic and high-performance materials

Operating manual turning and milling machinery where required

Managing tooling, materials and consumables inventory to support machine shop output

Maintaining accurate machining records, crib sheets and build documentation

Contributing to design reviews, manufacturability discussions and route-to-manufacture planning

Supporting the development and continuous improvement of machine shop capability

Supporting prototype builds, test hardware and subsystem manufacture where required

We’re keen to speak with people with experience in:

Strong hands-on CNC machining experience, including 5-axis programming and operation

CAD/CAM programming using Fusion 360, SolidWorks or similar

Siemens and/or Mazatrol machine controls

Machining precision prototype or low-volume engineered components

Working with stainless steel, exotic alloys or high-performance materials

Manual turning and milling to tight tolerances

Inspection using standard metrology equipment

Reading and interpreting engineering drawings

Stable engineering/manufacturing background within aerospace, motorsport, defence, advanced manufacturing or similar precision engineering environments

Package & Benefits:

Competitive salary

Performance bonus scheme

Share option scheme

Private healthcare

Contributory pension

25 days annual leave + bank holidays

Life insurance

Flexible working hours | 37.5 hrs/week

Employer-funded training & development

Up to 4 weeks contractual sick pay

To find out more or to apply, reach out to Lewis at Cranleigh STEM directly