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Jacobs Engineering Group Inc.
Your Impact:

At Jacobs, we'll inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow.With more than 55,000 people in 40+ countries, working at Jacobs offers an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities.

People are Jacobs' greatest asset, and we offer a competitive package to retain and attract the best talent.

In addition to the benefits you'd expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.

Work-life balance and flexibility is a key focus area for Jacobs. We're happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the Opportunity

We are currently recruiting for a Principal Modelling Consultant to join our Radioactive Waste Management and Disposal business.The role can be based at Harwell, London, Birchwood or other locations will be considered. You will be part of a multi-disciplinary business (including chemists, physicists, geologists, engineers, safety case specialists, mathematicians and project managers) who provide consultancy, modelling, safety case and laboratory studies to underpin the science, technology and engineering to allow the safe disposal of radioactive waste.

You will provide technical leadership across a portfolio of projects within the area of Radioactive Waste Management, centred on modelling for geological disposal. You will lead and support both large and small consultancy projects and proposals, many of which are multi-disciplinary. You will have the opportunity to lead and support client relationships and projects, prepare proposals, liaise with clients, manage projects and subcontractors, provide advice and deliver technical reports in line with client and regulatory requirements.

Key responsibilities:

As a Principal Modelling Consultant, you will provide technical leadership on a range of consultancy projects for customers, including radioactive waste management organisations, radioactive waste producers and regulators, both in the UK and overseas. The responsibilities include:

Leading radioactive waste management and disposal packages of work, including overseeing and supporting our delivery teams;

Leading modelling studies in a range of technical areas; this is likely to include both simple and complex modelling to underpin the safety of a future geological disposal facility. Key modelling areas include:

o groundwater flow and solute transport both near surface and deep underground

o radionuclide release from waste packages and repositories into the atmosphere on performance assessments for underground repositories for radioactive waste

o gas transfer and migration

o coupled modelling

o thermal modelling of radioactive waste under storage, transport or disposal conditions.

Producing, and checking calculations, analyses, design basis documentation and technical reports

Delivering high-quality and bespoke technical and strategic support to our clients

Developing an understanding of the underlying requirements of our customers, and how we can meet those requirements

Supporting development of our modelling capability with respect to radioactive waste management and disposal including mentoring and developing our graduates and other junior staff

Supporting other team members with business development activities

Supporting the continued development of our business, through identifying, bidding for and winning new work, either with new or existing clients

Continuing to build and develop excellent client relationships

Here's What You'll Need:

Degree qualification (or equivalent training and experience) in appropriate mathematical, scientific or engineering discipline

Significant experience in application and development of mathematical models related to geological disposal. The ideal candidate should have experience in at least one of,

o Geological and hydrogeological characterisation

o Groundwater flow

o Gas transfer/migration

o Contaminant transport in geological media

o Coupled process modelling (THMC) in geological and engineering materials

Ability to analyse complex systems and models, distil the important safety insights and communicate concisely with specialists and senior stakeholders

Demonstrable ability to write clearly and present complex arguments in a well-structured manner

Understanding of the nuclear industry, with experience of one of the following:

o UK regulatory and policy landscape for the management of radioactive waste, including recent developments in policy and strategy

o International waste management and disposal practices

o Waste management principles including application of the waste hierarchy

o Information requirements in siting, repository design and post-closure safety assessment

o The application of Best Available Techniques (BAT) and how is it assessed in the context of radioactive waste management

o The UK Radioactive Waste Inventory, including different classifications and waste streams

o Waste management processes across the entire lifecycle: characterisation, retrieval, processing, treatment, packaging, and disposal

Adaptable and able to work on a variety of projects, prioritising as appropriate.

Able to work in multi-disciplinary teams.

Desire to support growth of our radioactive waste management and disposal strategy capability .

Our Culture

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees. Find out more about life at Jacobs.

We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we're more connected, and if we are diverse, we're more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you're pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centred on inclusion and diversity - ACE, Careers, Enlace, Harambee, OneWorld, Prism, Vetnet, and Women's - find out more about our employee networks here.

Jacobs partners with VERCIDA to help us attract and retain diverse talent. For greater online accessibility please visit to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team .

Your application experience is important to us and we're keen to adapt to make every interaction even better. We welcome feedback on our recruitment process and if you need more from us before deciding to join Jacobs then please let us know.