Rail Electronics Technician — On‑Site, London

ALSTOM Gruppe; Greater London; On-site; GBP 50,000 - 55,000; Full time

Benefits offered by this job

Shift allowance

Job summary

Alstom in London, GB, is seeking an Electrical/Electronics Engineer to provide diagnostic and repair expertise for modern Electric Multiple Units. You will diagnose faults, support central systems, and assist in maintenance validation across depots and trains.

You’ll handle testing, commissioning, and data analysis, while contributing to skills development and on-train fault rectification to keep trains reliable and efficient.

Qualifications

• Degree in Electrical or Electronics Engineering or equivalent qualification (e.g., NVQ Engineering Level 3 in Electrical and Electronics).
• Experience or understanding of fault finding and diagnosing issues on mechanical, electrical, and electronic systems.
• Knowledge of AC and DC motors, inverters, converters, compressors, air systems, and 3-phase/single-phase/DC power systems.
• Familiarity with diagnostic tools, computer-based systems, and IT skills, including office packages, email, and intranet.
• Strong interpersonal and communication skills to liaise with team members and stakeholders.
• Practical experience in testing, commissioning, and functional validation of train-borne systems.
• Ability to investigate and resolve intermittent faults on vehicles, both on depot and in service.
• Strong attention to detail and ability to validate technical documentation and maintenance schedules.
• Resilience and adaptability to work in dynamic environments, including depots and outstations.
• Leadership and mentorship skills to assist in skills development within teams.

Responsibilities

• Providing diagnostic and repairs on electronics such as power supplies, rectifying circuits, and battery charging circuits to board level.
• Utilising extensive knowledge of three-phase, single-phase, and DC power systems and control systems.
• Positioning fault data into a shared drive facility for effective communication and analysis.
• Carrying out fault finding and investigating intermittent faults on vehicles either on depot or in service.
• Conducting testing and re-commissioning activities on vehicles and trains in accordance with pre-written test and commissioning procedures.
• Assisting in component change-outs and failure reporting for central systems support and reliability growth teams.
• Supporting skills development within depots and train care points to foster continuous learning and improvement.
• Providing on-train fault diagnosis and rectification for units in service to ensure operational efficiency.
• Investigating technical problems as instructed by the central systems support team to drive problem resolution.
• Gathering required data downloads on critical performance systems at all Train Care Centers (TCCs).

Skills

Fault finding

Diagnostics

3-phase power

AC/DC motors

IT skills

Interpersonal skills

Testing & commissioning

Documentation review

Leadership

Education

Bachelor's degree in Electrical or Electronics Engineering

Tools

Diagnostic tools

Office suite

Job description

Alstom in London, GB, is seeking an Electrical/Electronics Engineer to provide diagnostic and repair expertise for modern Electric Multiple Units. You will diagnose faults, support central systems, and assist in maintenance validation across depots and trains.

You’ll handle testing, commissioning, and data analysis, while contributing to skills development and on-train fault rectification to keep trains reliable and efficient.