Operator/Fitter (Darlington)

Company: Colas Rail UK
Apply for the Operator/Fitter (Darlington)
Location: London
Job Description:

PURPOSE OF THE ROLE

Colas Rail has been awarded the Mobile Maintenance Train (MMT) contract. This entails the maintenance, operation and driving of a fleet of 8 MMTs based in various parts of the UK.

We are looking for a qualified Fitter to work on the Network Rail owned MMT fleet based at Darlington.

WHAT DO MMTs DO?

MMTs are an essential element of track maintenance, providing a mobile, safe and secure space for personnel fixing track defects. The MMTs carry equipment and materials essential to maintenance to the chosen worksite.

ESSENTIAL QUALIFICATIONS

  • Level 3 qualification in a mechanical or engineering discipline or engineering background.
  • Full UK Driving Licence.
  • Must live near to Darlington.
  • Able to work weekends, bank holidays and a mixture of days and nights as part of a shift‑based roster.
  • Computer skills in Microsoft Windows.

DESIRABLE QUALIFICATIONS

  • Previous experience working on Mobile Maintenance Trains.
  • Previous railway experience.
  • Level 4 in a mechanical/ engineering or relevant discipline.

LOCATION AND ROSTER PATTERN

You will be required to work a combination of days, nights and weekends based around a 5‑week roster.

KEY RESPONSIBILITIES

  • Resolve engineering issues on operational shifts.
  • Follow maintenance schedules during maintenance shifts to ensure MMTs are reliable and fit for service.
  • Adapt to operational requirement changes from time to time.
  • Carry out any other reasonable duties as required.

WHAT WE OFFER

  • Competitive salary.
  • 34 days annual leave.
  • Industry‑leading life assurance.
  • Healthcare cash plan.
  • Well‑being employee assistant programme.
  • Pension scheme.
  • Eye care vouchers.
  • Long service award.
  • Season ticket loan.

APPLY

Even if you do not meet every requirement, we encourage you to apply if your skills, values, and experience align with the role.

We are committed to fostering an inclusive and diverse workplace. We believe that diversity drives innovation and creativity, and we actively seek to create an environment where everyone feels welcome, heard, valued and respected. Regardless of background, disability, age, race, religion, or gender, everyone is welcome at Colas Rail.

We strive to promote equity and eliminate discrimination, actively seeking to create a workforce reflective of communities we serve. We welcome applicants from all backgrounds, offering flexible and inclusive adjustments to the interview process.

As part of a positive action drive to address under‑representation we encourage applications from women, ethnically diverse individuals and people with disabilities, along with all candidates who identify with protected characteristic groups under the Equality Act 2010.

We are proudly part of the Disability Confidence Scheme, and as such we operate a Guaranteed Interview Scheme if you meet the minimum requirements.

On joining Colas Rail, you’ll have access to our growing Employee Network Groups including Railbow (representing the LGBTQ+ community), BeyonDisability (representing those with disabilities) and Cross Culture (representing people from ethnic backgrounds). Everyone is welcome to join our network groups whether you are part of the community or an ally.

Work‑life balance is important to us; flexible working options are available where feasible and dependant on the role. Please discuss this during the interview process.

Join us in making a positive impact! Apply and be part of a team that values diversity and embraces unique perspectives.

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Posted: June 1st, 2026