Senior​/Principal Nuclear Safety Engineer

Job Description Overview

Do you take pride in ensuring the highest standards of nuclear safety and delivering robust solutions to technical challenges? Join us as a Senior or Principal Nuclear Safety Engineer, where you will play a vital role in identifying, analysing, and mitigating nuclear risks. You will have the drive to deliver excellent technical work, paying attention to detail without missing out on the bigger picture.

This includes supporting our nuclear clients in demonstrating compliance with regulatory expectations, enabling the safe design, operation, and decommissioning of nuclear facilities, and contributing to a secure, low‑carbon energy future for the UK.

• Leading teams producing nuclear safety cases, including identification, characterisation, assessment, authoring, and review.
• Working with clients across nuclear generation, nuclear new build, defence, fusion, and SMR sectors.
• Supporting critical decision‑making for the design, commissioning, operation, and decommissioning of nuclear facilities and assets.
• Influencing client strategy and supporting nuclear site licence applications.
• Building a business pipeline and delivering technical presentations to clients and regulators.
• Leading technical delivery to solve complex safety‑critical problems, and presenting solutions to stakeholders.
• Contributing to and benefiting from the wider Atkins
  
  Réalis technical community, mentoring and developing junior engineers to strengthen our capability.
• Taking ownership of your technical and professional development through the breadth of our nuclear safety portfolio.
• Competitive salary: £50,000+ per annum plus additional pay in line with our performance philosophy and recognition culture.

Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, well‑being, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise.

And combine our hybrid working culture and flexible holiday allowances to balance a great work life and fulfilling personal life.

Be rewarded. Find out more.

We’re Atkins

Réalis, a world‑class engineering services and nuclear organization. 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’re committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Find out more.

Security clearance

This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you  vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any currently or previously held security clearance.

We are committed to creating a culture where everyone feels that 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.

Worker Type Employee

Job Type Regular

At Atkins

Réalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world‑class talent is not defined by gender, ethnicity or national origin, sexual identity and orientation, age, religion or disability, but is enriched by these differences.