Maintenance Controller / In Service Support Technician (ISST)

Siemens Mobility; Crawley; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading transportation company is seeking a Maintenance Controller to join the maintenance control team in Crawley. This critical role involves providing technical support in the Control Room, managing incidents, and maintaining strong relationships with partners. The ideal candidate will have an HNC in engineering and strong communication skills. A competitive salary, benefits, and opportunities for growth are offered in this exciting position.

Benefits

Competitive salary

Company bonus

Flexible benefits scheme

Pension

Qualifications

• HNC in electrical or mechanical engineering or equivalent experience.
• Advanced knowledge of IT systems/software.
• Good communication, planning, and organisational skills.

Responsibilities

• Act as the Single Point of Contact in the Control Room providing technical support.
• Manage mainline failures and serious incidents to minimize impact.
• Collaborate with internal and external partners.

Skills

Technical support

Communication

Planning

Organisational skills

Fault diagnosis

Proactivity

Education

HNC in electrical or mechanical engineering

Tools

IT systems/software

Job description

Maintenance Controller / In Service Support Technician (ISST)

485679

18-Nov-2025

Mobility

Customer Services

Siemens Mobility Limited>

Siemens Mobility is dedicated to pioneering the future of transportation. Our dynamic team is always exploring new ways to drive innovation and efficiency in rail. We are searching for forward-thinkers who are eager to challenge themselves and make a tangible impact. If you are passionate about creating sustainable and intelligent transport solutions, we want you on our team.

We are currently looking for an expert engineer to join our maintenance control team based within the Regional Operations Center (ROC) at our Three Bridges Depot in Crawley. This is a great opportunity to be part of a fast-paced team, in a very critical role within the business, where you will be responsible for handling the operations of one of the UK’s most advanced trains; the Desiro City CL700. This role forms a pivotal part of the project’s day-day operations, minimising any form of train running delays and providing outstanding service to both our customers and passengers.

You will make an impact by...

• Act as the Single Point of Contact (SPOC) in the Control Room, providing first-line technical support and remote fault diagnosis to operational staff.
• Manage mainline failures and serious incidents, minimizing impact on passengers and Siemens operations.
• Collaborate with internal and external partners, maintaining strong working relationships and professional representation at customer sites.
• Report to the Outstation Supervisor each shift to align expectations and responsibilities.
• Support the performance team with incident investigations, delay attribution, and root cause analysis, ensuring safety-related issues are closed out effectively.
• Control and manage fleet data downloads, ensuring accurate reporting and IT system updates for operational safety incidents and service defects.
• Provide technical guidance to maintenance teams, including planning scheduled and unscheduled depot maintenance requirements.
• Implement HSQE policies, promote health and safety awareness, and ensure compliance with safe systems and controls.

Your success will be grounded by...

• HNC in electrical or mechanical engineering or equivalent experience
• Complete records of actions and operations accurately and to procedures
• Advanced knowledge of IT systems / software
• Good communication, planning and organisational skills
• Detailed knowledge of technical aspects of the rolling stock allocated to the depot (preferred)
• Highly motivated and proactive

You'll benefit from...

Our compensation package includes a competitive salary, company bonus, holiday allowance and pension. We celebrate the fact that our employees are individuals and have different wants and needs. With this in mind, we have a flexible benefits scheme where you can tailor your benefits package to suit you.

#Transform The Everyday with us

We value your unique identity and perspective and are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society. Come bring your authentic self and create a better tomorrow with us! We are a Disability Confident Employer and welcome applications from all individuals, including those with disabilities. If you require any reasonable adjustments during the recruitment process, please contact your recruiter, who will be happy to support you.

At Siemens, we promote a growth mindset, the self-belief that we can learn and grow, take on new challenges and adapt to change. If you don't match all the criteria for this role but feel you have transferable skills to enable you to succeed, we encourage you to apply.