Signal Technician

Alstom; Johannesburg; On-site; ZAR 300,000 - 420,000; Full time

Job summary

Alstom in Johannesburg seeks a full-time Signal Technician for the Midrand Maintenance Depot to keep railway signaling systems safe, reliable and affordable through planned maintenance, corrective work and calibration.

You will diagnose faults in centralised traffic control, colour-light signaling, track circuit detection and interlocking systems, perform testing and routine cleaning, and contribute to safe shift operations and on-call standby as required.

Qualifications

• Grade 12 and electronics diploma required or equivalent.
• Minimum 5 years experience in railway signal maintenance.
• Registration as a Professional Technician is advantageous.
• Strong organisational and interpersonal skills; good verbal and written communication.

Responsibilities

• Provide safe, reliable railway signaling through maintenance planning.
• Perform preventive and corrective maintenance, troubleshooting, repair, and calibration.
• Test and clean signaling and radio systems.
• Work with centralised traffic control, interlocking, and associated systems.
• Adhere to safety regulations and standby on-call duties.

Skills

Sound signalling

Centralised traffic control

Colour light signalling

Track circuit detection

Computer-based signalling

Points machines

OHSA regulations awareness

Education

Minimum Grade 12

Electronics National Engineering Diploma (S4)

Job description

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Date: 30 Oct 2026

Location: Johannesburg, GP, ZA

Company: Alstom

At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, more than 80 000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars.

Could you be the full-time Signal Technician we’re looking for?

This role will be based at the Maintenance Depot in Midrand, Johannesburg.

Your future role

To provide a safe, reliable and affordable railway signalling system through effective execution of the maintenance plan by conducting preventative and corrective maintenance, troubleshooting, repair, adjustment, calibrations, testing and cleaning of all Signaling and Radio systems

• Sound signalling skills, including:
• Centralised traffic control systems (effective application of maintenance skills, fault diagnostics and fault solving)
• Colour light signalling systems (ability to apply skills for all corrective maintenance and scheduled maintenance activities)
• Track circuit detection systems (effective application of skills relating to integrity of system)
• Computer-based signalling, interlocking and associated systems
• Points machines (relevant skills application for scheduled and corrective maintenance
• Knowledge of relevant safety regulations (Act 85 of OHSA)

All about you

• Minimum Grade 12 Certificate; Electronics National Engineering Diploma S4 for Signal Technician;
• Minimum 5 years experience in Railway Signal Maintenance
• Registration as a Professional Technician at the Engineering Council of South Africa advantageous
• Sound organisational and interpersonal skills
• Good verbal and written communication skills
• Willing to work shifts and be on standby
• High attention to detail and quality orientated
• The capacity to accept change and adapt accordingly

You don’t need to be a train enthusiast to thrive with us. We guarantee that when you step onto one of our trains with your friends or family, you’ll be proud. If you’re up for the challenge, we’d love to hear from you!

Important to note

As a global business, we’re an equal-opportunity employer that celebrates diversity across the 63 countries we operate in. We’re committed to creating an inclusive workplace for everyone.