Functional Tester (Rail Signalling)

Reference: JO12445SFT 
Type: Permanent 
Position: Signalling Functional Tester - 3BI 
Location: London, England 
Industry: Transport and Rail 
 

Functional Tester (Rail Signalling)

UK-wide (site-based, flexible working options available)
Full-time | Permanent
Competitive Salary + Excellent Benefits Package

Our client is looking for a skilled and experienced Functional Tester to join their growing Signalling Testing & Commissioning team. This is an exciting opportunity to play a key role in delivering some of the UK’s most high-profile rail infrastructure projects — in a collaborative, inclusive, and forward-thinking environment.

What You’ll Do:

• Carry out functional testing of signalling systems, including CBI and relay-based interlockings.
• Test 4-foot trackside equipment to ensure compliance and performance.
• Support the Tester in Charge with planning, resource management, and reporting.
• Guide and mentor junior team members to support their technical progression.
• Ensure all testing activities meet industry and safety standards.
• Travel to project sites as required — some overnight stays and unsocial hours may be necessary.

What We’re Looking For:

• IRSE Licence (Functional Tester 1.3.170) – current or held within the last 5 years
• Network Rail Certificate of Competence (CofC) – current or held within the last 5 years
• 3BI Competence – essential
• Demonstrable experience in railway signalling functional testing, including interlocking systems
• Solid knowledge of Network Rail Signal Works Testing Handbook and NWR standards
• NWR 3B/4 testing competency and/or equipment-specific expertise
• Strong organisational and communication skills
• Full UK Driving Licence
• Willing to undertake COSS duties and contribute to staff development

Why This Role?

Our client offers a dynamic and inclusive working environment, with a strong focus on flexibility and professional development. Whether you're looking for full-time, part-time, remote, or site-based work — there are opportunities to tailor the role to fit your lifestyle and career goals.

• Competitive salary & tailored benefits package
• Ongoing professional development and mentoring opportunities
• Career progression planning at all stages
• Supportive, inclusive team culture
• Flexible and remote working options

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.