Nuclear Senior Process Engineer (Full-time / Part-time)

AtkinsRéalis; Epsom; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid working

Training and development

Flexible holidays

Job summary

AtkinsRéalis is expanding its Nuclear EMEA Process Engineering team in the UK. We seek engineers who can contribute to design, sizing, heat and material balances, and P&IDs, while applying HAZID/HAZOP and DSEAR safety assessments. You will collaborate across disciplines, engage with clients, and help grow a strong, inclusive team with mentoring.

You’ll work on diverse environments—client sites, embedded roles, and in-house support—fostering technical excellence and practical outcomes.

Qualifications

• Strong foundation in Chemical or Process Engineering (BEng/MEng) with IChemE chartership achieved or in progress.
• Experience or interest in nuclear industry and related processes.
• Excellent communication and collaboration across multidisciplinary teams.

Responsibilities

• Collaborate with multidisciplinary teams across the full project lifecycle from concept design to decommissioning.
• Contribute to core process engineering deliverables: process sizing, heat and material balances, P&IDs.
• Apply process modelling and safety activities such as HAZID/HAZOP and DSEAR assessments.
• Work with AtkinsRéalis teams to provide expert input where most valuable.
• Engage with clients, support site-based and embedded roles, and deliver high-quality engineering solutions.
• Mentor and support development of others within a growing team.

Skills

Leadership

Team collaboration

Client engagement

Process safety

Mentoring

Education

BEng/MEng in Chemical or Process Engineering

IChemE chartership (achieved or in progress)

Tools

Process simulation tools

Model-based systems approaches

Job description

Job Description

Overview

AtkinsRéalis is growing our team of Process Engineers within our Nuclear EMEA business, and we’re excited to connect with individuals who are passionate about contributing to meaningful and complex projects. If you’re energised by the opportunity to work on impactful challenges and be part of something that shapes the future, we would love to hear from you. At AtkinsRéalis, we value diverse perspectives, experiences, and ways of thinking. You’ll be part of an inclusive and collaborative environment where your strengths are recognised, your voice is valued, and your growth is actively supported.

Your role

In this role, you will have the opportunity to:

• Collaborate with multidisciplinary teams to solve technical challenges across the full project lifecycle, from concept design to decommissioning.
• Contribute to core process engineering deliverables, including:
  • Process sizing calculations.
  • Heat and material balances.
  • P&IDs/.
• Apply your skills and interest in process modelling and process safety activities such as HAZID/HAZOP studies and DSEAR assessments.
• Work closely with colleagues across AtkinsRéalis to provide expertise where it is most valuable and impactful.
• Experience a variety of working environments, including client-embedded roles, site-based assignments, and in-house engineering support.
• Contribute to delivering high-quality, thoughtful engineering solutions with a strong focus on client outcomes.
• Grow your skills and confidence in a supportive, purpose-driven team environment.

About you

We take a strengths-based approach, focusing on what you naturally do well and how you can grow and succeed with us. You may find that many of the following resonate with you:

• You enjoy leading and supporting others, and feel confident guiding a small team while fostering a collaborative and inclusive environment.
• You bring an appreciation of how engineering work connects to commercial outcomes and feel comfortable engaging with clients in a thoughtful and confident way.
• You have a strong foundation in Chemical or Process Engineering (BEng/MEng), with IChemE chartership achieved or in progress.
• You’re curious about the nuclear industry whether through direct experience or transferable insights and bring an understanding of its fundamentals.
• You’re energised by technical problem-solving and may have experience or interest in areas such as process simulation tools or model-based systems approaches.
• You communicate clearly and effectively, both in writing and conversation, and value open and respectful collaboration.
• You find fulfilment in mentoring and supporting the development of others, and are motivated to play an active role within a growing team.

Rewards & benefits

• 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, wellbeing, 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 job and fulfilling personal life.

About AtkinsRéalis

We’re AtkinsRéalis, 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.

Additional information

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. The 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 current 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. So, 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 ability. As a Disability Confident Leader, we are committed to offering an interview to all applicants who have a disability and meet the essential criteria. If you would like to be considered under this commitment, please let us know at the application stage.

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Worker Type

Employee

Job Type

Regular

At AtkinsRéalis_, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.