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: lewis@cranleighstem.co.uk
Cranleigh STEM is a specialist recruitment partner in STEM, Sustainability, and SHEQ. We work with innovative organisations and purpose-led professionals to help solve some of the world’s most pressing challenges, from advancing clean technologies to driving scientific discovery.
We understand that progress in these fields depends on people. Our role is to connect the right individuals with the right teams, whether that’s scientists in the lab, engineers on the ground, or leaders at the helm.
🚀 Our Mission
To support innovative organisations by delivering the talent they need to grow, evolve, and make a meaningful impact in their field.
🔎 Our Core Values
Challenge
We’re comfortable working in complex, technical spaces. We approach every brief with curiosity and care, asking the right questions to deliver people who can genuinely move your organisation forward.
Collaboration
We see recruitment as a partnership. That means open communication, transparency, and shared goals, whether you’re building a team or looking for your next role.
Commitment
We take pride in the work we do. We’re committed to high standards, long-term relationships, and doing what’s right for our clients, our candidates, and the industries we serve.
💡 Our Purpose
To contribute to a more sustainable and innovative future by helping organisations in science and technology attract and retain the talent they need to grow responsibly and with purpose.
🌍 Our Reach
Headquartered in South London, we work with clients and candidates across the UK, Europe, and the USA.
🔬 Areas of Expertise
Biotechnology
Pharmaceuticals
Chemicals & Materials
Food Technology
Clean Technology
Electric Vehicles & Sustainable Engineering
If you're hiring or exploring your next move in STEM, we’re here to help.
