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Criticality Safety Engineer

  1. Warrington, Sheffield, Epsom, Bristol
  1. Nuclear

Criticality Safety Engineer

Take the lead in global nuclear safety.

Are you ready to take up a vital role in shaping some of our exciting projects? How about joining our talented team, where everyone has a voice, and together we face our clients' problems head-on. It's a diverse and inclusive work environment where world-class talent knows no distinctions.
We know that different people have different priorities, which is why we're here to support you. Flexible and remote working is a central part of our culture. So talk to us about what's ideal for you – from reduced weeks to buying more leave over school holidays. And if you're returning from a career break, ask us how we can help you transition back into work with us.

Read more about how you can thrive with us.

Join us as a Criticality Safety Engineer in our Nuclear & Power Division, and play a vital role designing complex new schemes to protect our clients' assets. There's no such thing as a one-size-fits-all career plan in Atkins. And with a huge variety of projects to work on, you'll have plenty of opportunities to grow and challenge yourself as a consultant.

Your purpose:

Working within the Power New Build business, you will be supporting delivery on a number of client projects, either on behalf of Atkins or even based within the client’s organisation. The role will be versatile and encompass all stages of project delivery, from initial set up, to delivery of the finished project.

Within the Power New Build business our clients work in highly regulated nuclear environments and you will be directing your multi-disciplinary teams to deliver complex and unique projects.

Main aspects of the role will include enhancing radiation protection and safety processes and procedures, assisting in the production of bids and proposals, and implementing and contributing to our safety culture, an environment we value so greatly.

What you can bring:

Science or engineering expertise (physics, chemistry, mechanical, chemical or process engineering, Degree qualified or equivalent)

Understanding and experience of utilising industry recognised radiation transport codes such as; MCNP, MONK, SCALE, for k-effective calculations.

Successful delivery of criticality assessments including development of key associated documentation such as Hazard Analysis (HAZANS), Criticality Advice Notes (CANs) and Criticality Clearance Certificates (CCCs).

Experience working as a radiation shielding within multi-disciplined project teams

Teamwork and Leadership qualities

An appreciation of what’s required for design, when working in safety critical industries, like Nuclear

An appreciation of project and client management

An understanding of the fundamental factors which contribute to business success

Why work for Atkins?

The UK is the first major economy to legislate for a Net Zero target by 2050. To achieve this, our Energy Teams are ensuring a mix of secure and sustainable energies that can meet our industry and lifestyle demands today, and in 30 years' time. We help to power our world through exciting new technologies and intelligent cybersecurity systems on projects that vary greatly in size, scope, and scale. So, you'll be creating the right safe and resilient systems across nuclear power, renewables, decarbonisation development, new builds and energy efficiency.

We value your diversity and believe that everyone deserves to thrive – no exceptions. You'll be part of a culture committed to finding new talent from underrepresented groups. We're Disability Confident, an Inclusive Employer, and support STEM Returners. We also want to see more women in senior roles at Atkins. In the energy sector, we've signed up to the AXIS Pledge, promising to make equal pay, equal leadership, and equal opportunities a reality. "

Read more about our Vision for Women.

Meeting your needs:

To help you get the most out of life in and outside of work, we offer employees ""Total Reward."" It's a package that can be tailored to your changing lifestyle, career and personal needs. You'll enjoy benefits such as partner discounts, leadership training, professional, accreditations, and career planning for any stage of your career.

Making sure you're supported is important to us. So if you identify as having a disability, tell us ahead of your interview. And let's talk through any adjustments you might need."

Read more about 'Total Reward'.

Please refer to our Rewards and Benefits page for details on our full benefits package.

More about us:

Atkins, a member of the SNC-Lavalin Group, is a leading global consultancy with over 80 years of design and engineering expertise. With us, you'll be surrounded by the skills, knowledge and support to help you succeed. Together, we can deliver projects which have a positive, sustainable impact on the world.

Check out some of our recent, most exciting projects.

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 at interview.

If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance.

Atkins is committed to having a diverse and inclusive workforce. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.



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Job Type

Flexible Working

Full Time



Career Area

Nuclear safety











Take the lead in global nuclear safety.Are you ready to take up a vital role in shaping some of our exciting projects? How about joining our talented team, where everyone has a voice, and together we



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