Signalling technician

Career path and progression

With experience, you could move from junior to senior technician jobs and become a team leader.

With more qualifications and experience you could become a signalling designer or incident investigator.

What it takes

Skills and knowledge

You'll need:

• to be thorough and pay attention to detail
• the ability to use, repair and maintain machines and tools
• patience and the ability to remain calm in stressful situations
• the ability to accept criticism and work well under pressure
• knowledge of public safety and security
• the ability to work well with others
• to be flexible and open to change
• knowledge of transport methods, costs and benefits
• to be able to carry out basic tasks on a computer or hand-held device

Restrictions and Requirements

As a signalling technician, you'll work in a safety critical environment around live wires and on train tracks. This means you'll have a medical test as part of the selection process. This will include checking your hearing and vision.

You might also need to:

• take regular drug and alcohol checks
• have a driving licence so you can drive rail company vehicles
• live no more than an hour away from the location you wish to work

Related subjects

Most relevant

• Physics - Signalling technicians work with electrical circuits, electromagnetic relays, and signal transmission systems every day. Understanding how electricity, magnetism, and wave-based communications work is essential for installing, testing, and diagnosing faults in signalling equipment.
• Electronics - Signalling technicians install and maintain electronic signalling systems, radio networks, and communication equipment. They need to understand how electronic circuits, sensors, and control systems work in order to find and fix faults reliably.
• Engineering - Signalling technicians apply engineering principles when installing new signalling systems, upgrading infrastructure, and carrying out maintenance. Understanding how mechanical and electrical systems integrate within the rail network helps them keep everything running safely.
• Mathematics - Signalling technicians take equipment test readings, calculate electrical values like voltage and resistance, and interpret technical data. Maths is also essential when reading circuit diagrams and ensuring systems are calibrated correctly.

Also relevant

• Design and Technology - Signalling technicians read technical drawings, use specialist tools, and work with a range of materials when installing and repairing equipment. Practical problem-solving skills and the ability to understand how systems are constructed are central to the role.
• Computer Science - Signalling technicians increasingly work with computer-based signalling systems and programmable electronic controls. Understanding how software interacts with hardware helps when configuring, testing, and troubleshooting modern digital signalling equipment.
• Geography - Signalling technicians work across the rail network and need to understand how transport infrastructure connects different regions. Knowledge of how terrain, weather, and environmental conditions affect rail operations can be useful when maintaining outdoor equipment.