Principal Engineer (Traffic Signal Control)


Transport for London

About the role:
A true technical expert in your field, you will develop and implement complex engineering solutions safely, and within cost limitations. Day-to-day, you will provide technical guidance and advice in your position as a trusted source of engineering expertise for everyone, including our Heads of Engineering Delivery.

Required experience:
You will be degree qualified or have substantial equivalent relevant experience in traffic signals and other traffic control systems in an urban environment. You will be a recognised expert in the design, testing and commissioning of highways traffic control systems in an urban environment. As such you will industry leading experience of relevant regulations, standards and good practice relating to the design, installation and management of traffic control assets. You will have extensive design and technical assurance experience of traffic control assets and associate communication and networking, supplemented with a practical knowledge of asset management and value engineering techniques. Your knowledge of your subject should be sufficient to robustly establish statutory defence for design decisions taken by TfL in carrying out its Traffic Authority duties, ideally with experience of acting as an expert witness in a court of law.

The more teams and projects you’ve led, the better. It’s also equally important you bring a passion for the TfL Vision and strategy too. That’s because, wherever you join us, you’ll explore work of unparalleled scale, scope and variety across a unique range of projects, as you build your career and expertise. So come and bring on tomorrow, as a Principal Engineer at TfL.

  • Benefits: 
    In return for your commitment and expertise, you will enjoy excellent benefits and scope to grow. Our benefit package includes;
    Final salary pension scheme
    Free travel for you on the TfL network (and one additional person at your address)
    A 75> discount on National Rail Season Ticket and interest free loan
    30 days annual leave plus public and bank holidays
    Private healthcare discounted scheme
    Tax-efficient cycle-to-work programme
    Retail, health, leisure and travel offers through the MyTfL rewards programme
    Discounted Eurostar travel
    Flexible working or part-time working


We are an equal opportunity employer and value diversity. We do not discriminate on the basis of race, religion, ethnicity, gender, sexual orientation, age or disability status.

Interviews will be held between 23rd April 2019 and 30th May 2019

A minimum of 5 working days notice will be provided however, please note, due to critical delivery timeframes we may not be able to offer interview slots outside of this period.

If you have been unsuccessful in applying for this role within the last six months, you need not re-apply.

To apply for this job please visit


About Author


Rachelle joined Traffic Technology International in early 2016 after having worked for an HR magazine and prior to that, as a freelance sub editor for various lifestyle consumer magazines. As deputy editor, she supports the editor in making each issue and updating the website. Outside of work, she enjoys tap dancing, playing the piano and video games, and eating spicy food.