Principal Engineer

Company: AtkinsRéalis

Location: Belfast

Posted: April 17th, 2026

Shape a faster, smarter, safer future.

We might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise and knowledge. And when you join us, you'll be a part of this genuinely collaborative environment, where everyone's voice is valued and treated equally.

Overview

We're passionate about what we do, but we don't take ourselves too seriously. Simply put, this is a great place to be. So, when it comes to your life outside of work, ask us about our flexible and remote working policies designed to help you get the most out of life.

Your role

As a Principal Engineer in our Transportation team, you'll be pivotal in implementing ideas that shape the future of how we move. You'll collaborate across new build, renewal, maintenance, and assessment works, from our largest, most high‑profile projects to more progressive and specialised ones. Our clients include the Department for Infrastructure, National Transport Authority, Highways England, and local authority councils across the UK and Ireland. With such size, scope and scale, you'll have plenty of opportunities to keep yourself challenged.

About You

Rewards & Benefits

Explore the rewards and benefits that help you thrive at every stage of your life and career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. Combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life. Be rewarded. Find out more.

About AtkinsRéalis

AtkinsRéalis is a world‑class engineering services and nuclear organisation. We connect people, data and technology to transform the world's infrastructure and energy systems. Together with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We are committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Security Clearance

This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK for five years or longer. If applying for this role please do not make reference to or include in your application or CV details of any current or previously held security clearance.

Equal Opportunities Employer

We are committed to creating a culture where everyone feels they belong – a place where we can all be ourselves, thrive and develop to be the best we can be. We offer a range of family‑friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and abilities.

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