Mechanical Technician

First Military Recruitment; Hungerford; On-site; GBP 25,000 - 42,000; Full time

Job summary

First Military Recruitment is seeking a skilled Mechanical Technician to support the build, test and commissioning of refuelling equipment in a low-volume manufacturing environment in Hungerford, Berkshire.

You will work from P&IDs and drawings, assemble high‑pressure gas systems and install instrumentation, with a strong focus on safety when handling compressed gases. Ex‑military candidates encouraged; all applications considered.

Qualifications

• Proven experience as a Mechanical or Instrument Technician in a manufacturing or engineering environment.
• Experience assembling high pressure gas systems or similar process equipment.
• Competence in small bore tubing installation and ferrule fittings.
• Ability to read and interpret P&IDs, GA drawings and mechanical schematics.
• Experience supporting pressure and functional testing.
• Strong attention to detail and structured approach to work.
• Clear written and verbal communication skills.
• Experience in hydrogen systems, compressed gases or process plant.
• Knowledge of ATEX environments.
• CompEx certification.
• Experience supporting site installation and commissioning.
• Experience working in low volume or prototype build environments.

Responsibilities

• Assemble mechanical systems and sub assemblies in line with engineering drawings, P&IDs and build procedures.
• Install small bore tubing systems including tube and thread and twin ferrule fittings.
• Mount valves, regulators, pressure vessels and associated pipework.
• Ensure correct torqueing, alignment and mechanical integrity of all assemblies.
• Install and mechanically connect pressure transmitters, temperature sensors, flow meters and other field instruments.
• Interpret P&IDs to ensure correct installation and routing.
• Support loop checks and basic functional verification during test activities.
• Identify discrepancies between drawings and physical build and raise issues clearly.
• Assist with pressure testing, leak testing and functional system testing.
• Record test data accurately and support fault finding activities.
• Diagnose mechanical or installation related issues and implement corrective actions.
• Complete build records, inspection reports and test documentation.
• Maintain traceability of components where required.
• Support quality inspections and audits.
• Contribute to continuous improvement of build processes.
• Work safely with high pressure hydrogen systems.
• Follow procedures relating to pressure systems and hazardous areas.
• Identify and report unsafe conditions.
• Support compliance with relevant UK and EU standards.
• Work closely with engineering, project management and operations.
• Provide practical feedback to engineering based on build experience.
• Support site installation or commissioning activities where required.

Skills

Mechanical assembly

High pressure systems

P&IDs interpretation

Torque & alignment

Hydrogen systems

ATEX knowledge

CompEx certified

Site commissioning

Documentation traces

Job description

First Military Recruitment are seeking a skilled Mechanical Technician to support the build, test and commissioning of refuelling equipment. This role is focused on low volume manufacturing and engineering builds, working from P and IDs, general arrangement drawings and detailed assembly documentation.

You will assemble high pressure mechanical systems, install and connect small bore tubing, mount and connect instrumentation, and support functional and pressure testing of hydrogen systems. The role requires strong mechanical competence, attention to detail and a clear understanding of the safety implications of working with compressed gases.

Our client strongly encourages applications from ex-military personnel but all applications will be considered.

Duties and Responsibilities:

• Assemble mechanical systems and sub assemblies in line with engineering drawings, P and IDs and build procedures
• Install small bore tubing systems including tube and thread and twin ferrule fittings
• Mount valves, regulators, pressure vessels and associated pipework
• Ensure correct torqueing, alignment and mechanical integrity of all assemblies
• Install and mechanically connect pressure transmitters, temperature sensors, flow meters and other field instruments
• Interpret P and IDs to ensure correct installation and routing
• Support loop checks and basic functional verification during test activities
• Identify discrepancies between drawings and physical build and raise issues clearly
• Assist with pressure testing, leak testing and functional system testing
• Record test data accurately and support fault finding activities
• Diagnose mechanical or installation related issues and implement corrective actions
• Complete build records, inspection reports and test documentation
• Maintain traceability of components where required
• Support quality inspections and audits
• Contribute to continuous improvement of build processes
• Work safely with high pressure hydrogen systems
• Follow procedures relating to pressure systems and hazardous areas
• Identify and report unsafe conditions
• Support compliance with relevant UK and EU standards
• Work closely with engineering, project management and operations
• Provide practical feedback to engineering based on build experience
• Support site installation or commissioning activities where required

Skills and Qualifications:

• Proven experience as a Mechanical or Instrument Technician in a manufacturing or engineering environment
• Experience assembling high pressure gas systems or similar process equipment
• Competence in small bore tubing installation and ferrule fittings
• Ability to read and interpret P and IDs, GA drawings and mechanical schematics
• Experience supporting pressure and functional testing
• Strong attention to detail and structured approach to work
• Clear written and verbal communication skills
• Experience in hydrogen systems, compressed gases or process plant
• Knowledge of ATEX environments
• CompEx certification
• Experience supporting site installation and commissioning
• Experience working in low volume or prototype build environments

Mechanical Technician • Hungerford, Berkshire, England