Mechanical Assembler – Sub Assemblies

Location: Near Uxbridge, West London
Salary: £35,593 + overtime {5+ hours per week available}
Interview Process: One-stage, onsite
Start Date: ASAP

Syntech Recruitment is working for a UK aerospace and defence manufacturer, renowned for producing high-precision components.

This is an excellent opportunity to join a clean, modern manufacturing facility offering long-term stability and development.

We are recruiting a Precision Mechanical Assembler to support the build of kit-of-parts assemblies and complex mechanical sub-assemblies, where accuracy, repeatability, inspection discipline, and traceability are essential.

Why join?
• £35,593 (depending on experience).

• Overtime paid at 1.5x (typically 5–10 hours per week)
• Fantastic company pension scheme.

• Healthcare plan.

• Early Friday finish for improved work–life balance.

• Opportunity to work on aerospace-grade precision components.

• Clean, modern working environment.

• Long-term role with development opportunities.

Mechanical Assembler Duties
• Assemble precision mechanical kits and sub-assemblies to defined specifications.

• Build assemblies using M3+ fasteners, fittings, and mechanical components.

• Work accurately from engineering drawings, technical specifications, and work instructions.

• Use hand tools including torque wrenches, sockets, hex keys, screwdrivers, and pliers.

• Apply correct torque settings and assembly sequences.

• Carry out self-inspection using measuring equipment and Go / No-Go gauges.

• Support pressure testing or leak testing activities where required.

• Ensure all builds meet quality, safety, and documentation standards.

• Record build progress, inspection results, and traceability using MRP / ERP systems (SAP desirable).

• Support continuous improvement, 5S, and safe working practices.

Mechanical Assembler Profile
• Minimum 3 years’ experience in precision mechanical assembly.

• Proven experience building kit-of-parts or mechanical sub-assemblies.

• Confident reading and working from engineering drawings and specifications.

• Comfortable using hand tools for accurate, repeatable builds.

• Experience with inspection tools and gauges (Go / No-Go, basic measurement).

• Understanding of mechanical tolerances and quality requirements.

• Basic computer literacy and experience using ERP / MRP systems.

• High attention to detail and a quality-first, disciplined approach.

Simply apply today to speak to one of our consultants.

Please note: candidates must be available to attend interviews in early January to be considered for this position.

All candidates will go through a base line security vetting process (BPSS) before employment commences.

INDMA

Job Types: Full-time, Permanent

Pay: From £35,500.00 per year

Benefits:
• Canteen.

• Company pension.

• Cycle to work scheme.

• Discounted or free food.

• Free parking.

• Health & wellbeing programme.

• Life insurance.

• On-site parking.

• Referral programme.

Experience:
• Complex Mechanical Sub-Assemblies : 3 years (preferred).

Licence/Certification:
• Driving Licence (preferred).

Work Location: In person