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