Assembly Technician - Electrical

Lockheed Martin; Ampthill; On-site; GBP 32,000 - 42,000; Full time

Job summary

Lockheed Martin in Ampthill, United Kingdom, seeks an experienced Wire Cable Harness Assembler to manufacture and inspect high-reliability cable harnesses for defence and aerospace applications. Build from drawings and customer specifications, ensuring workmanship meets IPC standards.

You will terminate, crimp, solder, install heat shrink and markers, and verify workmanship with test equipment, maintaining full traceability and quality records in a regulated environment.

Qualifications

• Experience in cable harness assembly or wiring looms.
• Ability to read engineering drawings and build instructions.
• Attention to detail and high quality workmanship.

Responsibilities

• Assemble, terminate, and inspect cable harnesses per drawings and specs.
• Perform wire preparation: crimping, soldering, connector assembly, lacing, bundling.
• Install heat shrink, backshells, strain reliefs, shielding, and markers per docs.
• Conduct in-process self-inspection and quality verification.
• Carry out electrical testing: continuity, insulation resistance, functional tests.
• Maintain traceability and complete records.
• Identify non-conformances and support corrective actions.
• Adhere to safe work practices and standards.

Skills

Cable harness assembly

Wiring looms

Electro-mechanical assembly

Reading engineering drawings

Crimping and soldering

Quality-focused workmanship

Team collaboration

Tools

Crimping tools

Soldering stations

Multimeters

Continuity testers

Harness fixtures

Heat shrink equipment

Job description

About The Role

We are seeking an experienced Wire Cable Harness Assembler to manufacture and inspect high-reliability cable harnesses and wiring assemblies for military, defence, aerospace, and other mission-critical applications. The successful candidate will work from detailed engineering drawings, build instructions, and customer specifications, consistently maintaining the highest standards of workmanship and quality. This role requires a strong understanding of precision assembly techniques, compliance with IPC workmanship standards, and the ability to produce assemblies suitable for demanding operational environments.

Key Responsibilities

• Assemble, terminate, and inspect cable harnesses, wiring looms, and electro-mechanical assemblies in accordance with engineering drawings and manufacturing specifications.
• Perform wire preparation tasks including crimping, soldering, connector assembly, lacing, bundling, and harness dressing to military and customer-defined standards.
• Install heat shrink tubing, backshells, strain reliefs, shielding, and identification markers in line with build documentation.
• Conduct in-process self-inspection and quality verification throughout assembly.
• Carry out electrical testing including continuity, insulation resistance, and functional testing using approved equipment.
• Maintain full traceability and accurately complete all manufacturing and quality records.
• Identify non-conformances and support corrective action activities as required.
• Adhere to safe working practices and comply with all health, safety, and quality standards.

Tools & Equipment

• Manual and calibrated crimping tools
• Wire cutting and stripping equipment
• Soldering and rework stations
• Connector insertion and extraction tools
• Heat shrink and cable preparation equipment
• Harness assembly boards and fixtures
• Digital multimeters and continuity testers
• Insulation resistance and electrical test equipment
• Precision hand tools and measuring instruments

Standards & Compliance

The ideal candidate will have awareness of, or experience working to, the following:

• IPC/WHMA-A-620 – Requirements and Acceptance for Cable and Wire Harness Assemblies
• J-STD-001 – Requirements for Soldered Electrical and Electronic Assemblies
• Military and defence manufacturing standards

Required Skills, Qualifications And Experience

• Proven experience in cable harness assembly, wiring looms, or electro-mechanical assembly
• Ability to read and interpret engineering drawings, schematics, wiring schedules, and build instructions
• Hands-on experience with crimping, soldering, cable preparation, and connector assembly techniques
• Excellent attention to detail with a strong focus on quality and workmanship
• Ability to work both independently and as part of a team

Desired Skills

• IPC/WHMA-A-620 certification
• J-STD-001 certification
• Experience within defence, aerospace, naval, or other high-reliability sectors
• Experience working in environments requiring security clearance

Personal Attributes

• Methodical and disciplined approach
• Strong commitment to quality and compliance
• Ability to follow detailed processes and specifications precisely
• Reliable, conscientious, and safety-focused