Mechanical Fitter
About Us:
Greenjets is an innovative engineering company developing high-performance propulsion systems for the aviation market. Our work spans research and development, engine production, aircraft systems, technical integration and flight testing. We are committed to delivering high-grade engineering and best-in-class propulsion for unmanned aircraft.
We do things differently. We move fast, we experiment and we adopt technologies that push beyond the current state of the art. Our aim is to go further, faster and more efficiently, while keeping costs competitive.
All our propulsion systems are designed, developed and manufactured in the UK. We focus on high quality, reliable and cost effective products supported by a robust, secure and ethical supply chain.
About the Job:
To manufacture, assemble, maintain, and operate large energetic mechanical systems. This role combines traditional mechanical fitting skills with specialized knowledge of pneumatic systems and heavy equipment handling, ensuring safe and efficient performance both in the UK and overseas.
Key Responsibilities:
Assembly & Installation:
Fit, assemble, and align mechanical components for large pneumatic mechanical systems.
Install and secure parts using appropriate tools and techniques.
Ensure tolerances and specifications are met during assembly.
Maintenance & Repair:
Inspect, diagnose, and repair mechanical faults in large precision systems.
Replace worn or damaged components and carry out preventative maintenance.
Maintain accurate service records and documentation.
Machining & Fabrication:
Operate workshop machinery (e.g., lathes, milling machines) for component manufacture or modification.
Perform drilling, grinding, and finishing tasks as required.
Pneumatic Systems:
Assemble and maintain pneumatic circuits, valves, and pressure control systems.
Test and calibrate pneumatic components for operational readiness.
Equipment Handling:
Safely operate lifting and rigging equipment for large assemblies.
Comply with manual handling and health & safety standards.
Operational Deployment:
Operate systems in overseas environments following strict safety protocols.
Support testing and commissioning activities on-site.
Required Skills & Knowledge:
Proven experience as a Mechanical Fitter in heavy or industrial equipment assembly.
Strong mechanical assembly and repair skills.
Knowledge of pneumatics, pressure systems, and associated safety standards.
Competence in machining and fabrication techniques.
Ability to read and interpret engineering drawings and schematics.
Skilled in using hand tools, power tools, and workshop machinery.
Familiarity with lifting equipment and safe handling of large components.
Qualifications & Experience:
NVQ Level 3 or equivalent in Mechanical Engineering or Fitting.
Minimum 3 years’ experience in mechanical fitting or assembly roles.
Experience with pneumatic systems and heavy industrial equipment.
Other Requirements:
Willingness to travel and work overseas for extended periods.
Strong problem-solving skills and ability to work independently.
Commitment to health and safety standards.
- Department
- Engineering - Applications
- Locations
- Farnborough
About Greenjets
At Greenjets we’re rethinking how the world moves through the air. From cutting-edge electric propulsion to autonomous UAV systems, we design and deliver technology that makes aviation quieter, cleaner and more capable.
Joining us means working on projects where your ideas have real impact, combining deep engineering expertise with bold design thinking. As a fast-scaling company there are countless opportunities to take ownership and grow, all within a culture that is collaborative, curious and hands-on
Already working at Greenjets?
Let’s recruit together and find your next colleague.