Principal Process Engineer - Nuclear

" Empowering Innovation in Nuclear Energy: Join AECOM’s Vision for a Sustainable Future!"

Work with Us. Change the World.

At AECOM, we’re delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world’s trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of nearly 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We’re one global team driven by our common purpose to deliver a better world. Join us.

Job Description

Start here. Grow here.

“Are you ready to join a team of talented engineers and shape the future of the Nuclear Industry?”

Joining our established and expanding Nuclear team as a Principal Process Engineer means engaging in a diverse and growing array of UK-based projects. This role offers the opportunity to participate in multi-disciplinary projects at various stages of their lifecycle, from client consultancy to delivering comprehensive engineering design solutions. Your responsibilities will include client interaction, preparing bids and proposals, and overseeing project delivery in line with AECOM's standards for quality, safety, and environmental care.

Our established multi-disciplinary nuclear SQEP team, based across the UK, has been delivering fit-for-purpose solutions across the full spectrum of the nuclear sector for over 50 years. We understand that the nuclear sector is unique, with the utmost need for safety and a critical requirement to manage a myriad of potential risks.

We recognise the importance of social value, the need for sustainable delivery, and the responsibility to leave a positive legacy with the communities we engage with. We offer technically excellent delivery and strategic services, working in close collaboration with our clients and partners to shape the future of energy and support the ongoing and planned decommissioning efforts, ensuring our UK nuclear sites are safe for the next generation.

As we continue the growth and expansion of our nuclear capability, there has never been a better time to join our nuclear team and work on some of the most exciting projects in the industry.

Here’s what you’ll do:

Review of key process engineering deliverables as part of a wider multidiscipline team, these include: 

• Process Descriptions, 
• Basis of Design, 
• Process Flow Diagrams,
• Process & Instrumentation Diagrams, 
• Process & Instrument Data Sheets & Schedules, 
• Underpinning Design Calculations, 
• Material and Enthalpy Balances, 
• Design Justification Reports. 

Leading all aspects of process design including: 

• Key deliverables listed above, and their delegation as required, 
• Ensuring that the process design satisfies the project requirements and overall scope, 
• Ensuring that the process design complies with health and safety standards by utilising a Safety in Design approach, 
• Project programme development, 
• Managing project workload amongst the Process Team, 
• Liaising with other engineering disciplines to ensure a fully integrated multidisciplinary design, 
• Communication of design development in project meetings and reporting documentation.

Additional 

• Development of the Process Team via training, guidance and reviewing of work. 
• Responsible as a ‘Designer’ under the CDM 2015 regulations.
• Supporting Safety Case development via engineering substantiation. 
• Pragmatic approach to problem solving and ability to apply ‘Engineering Fit for Purpose Judgement’ where appropriate. 
• Support the Process Team growth through identifying work opportunities and assisting with recruitment activities. 
• Manage Contractors and build a working relationship with Delivery Partners. 
• Staying abreast of technical and commercial developments in the nuclear industry. 

Come grow with us.

Become part of our dynamic nuclear team, which boasts a team of leading and innovating industry experts. Collaborate with top-tier civil, mechanical, electrical, and process engineers to deliver a variety of captivating projects, from small initiatives to large-scale ventures, all the way from concept to completion. At AECOM, you’ll thrive in an inclusive and forward-thinking environment where your contributions are valued.

And let's not forget about the perks at AECOM. You'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days.

Why Join Us:

• Be part of a dynamic team that tackles challenging and impactful nuclear projects.
• Work alongside industry-leading professionals and thought leaders.
• Engage in a collaborative and inclusive work environment.
• Opportunity to progress in this role in line with your professional development, the growth of the team and the success and growth of our Nuclear business.
• Access to continuous learning and development opportunities.
• Competitive salary and comprehensive benefits package.
• Enjoy the flexibility to work in a way that fits your lifestyle while supporting a healthy work–life balance.

Qualifications

Ready to push the limits of what’s possible?

Here’s what we’re looking for:

• Chartered Member with the IChemE or equivalent.
• At least 10 years of experience working as a Process Engineer or equivalent in aspects of design in the nuclear industry. 
• Demonstratable experience of the following: 
• Awareness and implementation of Health and Safety processes, regulations and standards, 
• Successfully leading the delivery of process engineering work packages, 
• Leading a team, 
• Mentoring of other Process Engineers, 
• Supporting bids, 
• Developing a delivery schedule, 
• Knowledge of relevant regulations and standards. 
• Working knowledge of different forms of contract, in particular NEC. 
• Able to meet the requirements for security clearance in the UK. 
• Full UK driving license. 

At AECOM, we believe in creating a better world through innovative and sustainable solutions. If you share our vision and are ready to make a difference in the nuclear industry, we want to hear from you.

Security Clearance

Please note that our offer of employment is conditional upon your ability to meet UK security clearance requirements. This is necessary for you to work on the full range of projects requiring security clearance at AECOM Infrastructure and Environment UK Limited.

Additional Information

Application Support

We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at View email address on jobs.smartrecruiters.com. At AECOM, we value everyone's unique contributions and perspectives.

If you meet some of the requirements above or have transferable skills you believe would benefit us, we would be delighted to hear from you!

Additional Information

“Want to find out more about the role or what working at AECOM is like?”

You can learn more about us here:  Energy Brochure

#LI-RP1 #AECOMUKNUCLEAR #AECOMUKNUCLEARPROCESS

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM

AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity 

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address  View email address on jobs.smartrecruiters.com if you would like to apply through the Disability Confident Interview Scheme.

All your information will be kept confidential according to EEO guidelines.