Aircraft Avionics Technician

Line Up Aviation; London Borough of Southwark; On-site; GBP 30,000 - 52,000; Full time

Job summary

Line Up Aviation seeks an experienced Aircraft Avionics Technician to operate within its South-East England base, performing inspections, fault diagnosis, repairs and modifications on advanced avionics systems in a premium business aviation environment.

The role offers day and night shifts with a 4 on/4 off pattern, is permanent and full-time, and requires solid knowledge of aviation maintenance documentation and regulatory standards to ensure safe, compliant operations.

Qualifications

• Proven experience in aircraft avionics maintenance (civil or military).
• Background within a Part 145 MRO or military aviation environment (RAF, Royal Navy, Army Air Corps, or equivalent).
• Completed aerospace apprenticeship or military technical training.
• Strong working knowledge of avionics systems, wiring, and fault diagnosis.
• Working knowledge of UK CAA / EASA regulations and maintenance documentation.
• GCSE English & Maths grade C/ grade 4 or above, or equivalent.

Responsibilities

• Carry out detailed avionics inspections, fault finding, and rectification across aircraft systems.
• Perform modifications and upgrades in line with engineering data and regulatory requirements.
• Interpret wiring diagrams, schematics, and technical publications confidently.
• Support aircraft functional testing and, where required, flight test activities.

Skills

Avionics maintenance

Fault diagnosis

Part 145 MRO experience

UK CAA/EASA regulations knowledge

Education

Aerospace apprenticeship or military technical training

Job description

Aircraft Avionics Technician (Day and Night Shifts available)

• 4 on, 4 off shift
• Day Shift (07:00 – 19:00)
• Night Shift (19:00 – 07:00)
• Permanent, Full-Time
• South-East England

Salary available upon application

A globally recognised aerospace organisation is seeking an experienced Aircraft Avionics Technicians to join its Part 145 operation in the South-East of England.

This role is ideally suited to:

• Experienced avionics engineers, or;
• Ex-military fixed-wing/rotary technicians, or;
• Skilled MRO professionals

Who are looking to work in a premium business aviation line & base maintenance environment with modern aircraft and excellent facilities.

You will play a key role in the inspection, fault diagnosis, repair, and modification of advanced aircraft avionics systems, working alongside certifying engineers within a high-performing team. Training will take place on day shift for the night shift option.

Applicants must already hold the right to live and work in the UK without restrictions at the time of application. Sponsorships cannot be provided now or in the future.

Main Responsibilities:

Avionics Maintenance & Diagnostics

• Carry out detailed avionics inspections, fault finding, and rectification across aircraft systems
• Perform modifications and upgrades in line with engineering data and regulatory requirements
• Interpret wiring diagrams, schematics, and technical publications confidently
• Support aircraft functional testing and, where required, flight test activities

Documentation & Compliance

• Accurately complete work packs, CMP cards (Configuration, Maintenance, and Procedures), and maintenance records
• Ensure all work complies with UK CAA / EASA Part 145 regulations and company procedures
• Maintain full traceability on tracking software, and adhere to quality standards

Team & Operational Support

• Provide guidance and informal mentoring to junior technicians and fitters
• Support aircraft movement and ground operations

Safety & Environment

• Operate ground support equipment safely and effectively
• Maintain high standards of housekeeping using Lean / 6S principles
• Promote a strong safety culture and report hazards proactively

Ideal candidate profile:

We are particularly keen to hear from candidates with:

• Proven experience in aircraft avionics maintenance (civil or military)
• Background within a Part 145 MRO or military aviation environment (RAF, Royal Navy, Army Air Corps, or equivalent)
• Completed aerospace apprenticeship or military technical training
• Strong working knowledge of avionics systems, wiring, and fault diagnosis
• Working knowledge of UK CAA / EASA regulations and maintenance documentation
• GCSE English & Maths grade C/ grade 4 or above, or equivalent

Highly desirable:

• Experience supporting certification or release-to-service activities

If you’re an experienced avionics professional looking for a role where your expertise is valued and developed further, this is an excellent opportunity to join a world-class aviation environment.