Senior Machinist

H-Power is a UK-based, AIM-listed clean energy company developing zero-emissions hydrogen power systems. Using ammonia to produce low-carbon hydrogen at the point of need, and fuel cells to convert it into reliable, off-grid power, H-Power offers a scalable, practical alternative to fossil fuels, serving construction, infrastructure, transport and power generation sectors.

Making sure you fit the guidelines as an applicant for this role is essential, please read the below carefully.

Behind the technology is a team driven by a shared purpose: to accelerate the shift away from fossil fuels.

H-Power is looking for an experienced Senior Machinist to take a lead role in the Machine Shop. You'll manage CNC programming and operations, CAD/CAM design work and tooling management playing a vital part in delivering the high-precision components that underpin H-Power's clean energy technology.

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

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 components, including exotic and high nickel alloy 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 as 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 nickel materials
• Manual turning and milling to tight tolerances
• Inspection using standard metrology equipment
• Reading and interpreting engineering drawings xwzovoh
• Stable engineering/manufacturing background within aerospace, motorsport, defence, advanced manufacturing or similar precision engineering environments

Package & Benefits:

• Competitive salary
• Performance bonus scheme
• Company Share Option Scheme
• Bupa private healthcare
• Contributory pension
• 25 days annual leave + bank holidays
• Life insurance
• Flexible working hours | 37.5 hrs/week
• Employer-funded training: induction, H&S, CPD, management & compliance
• Up to 4 weeks contractual sick pay per rolling 12 months

H-Power have appointed Cranleigh STEM as their exclusive RPO recruitment partner. To find out more or to apply, reach out to Lewis at Cranleigh STEM directly