Thermal Hydraulics Engineer – Advanced Reactors
Flood Modeller
Birchwood, United Kingdom Countrywide,United Kingdom
5d ago

Your Impact :

Start your Jacobs career with a company that inspires and empowers you to deliver your best work so you can evolve, grow, and succeed today and into tomorrow.

Our Critical Mission Solutions business we are invested in you and your success. Everything we do - whether Aerospace, Defence, Intelligence, Information Technology, Cybersecurity, Nuclear, Automotive, or Telecommunications - is more than just a project.

It is our challenge as human beings, too. That is why we bring a thoughtful and collaborative approach to every one of our partnerships.

It is our promise to challenge the status quo as we redefine how to solve the world's greatest challenges and transform big ideas into intelligent solutions for a more connected, sustainable world.

Work life balance and flexibility is a key business strategy focus for Jacobs therefore we are considering flexible working hours, patterns, and locations to suit you and our business requirements.

About the role :

Jacobs is currently recruiting an engineer or scientist with Thermal Hydraulics Expertise to join our Advanced Reactors business and develop their skills and experience to work with our team and support our clients.

As the demand for our expertise continues to grow, an opportunity has arisen to work in the area of nuclear engineering, specialising in thermal hydraulics analysis, working in our Knutsford office to support a number of UK and international nuclear projects.

You will be a key part of our team, supporting a wide range of consultancy projects, small and large, for a variety of clients across the nuclear industry, including new build projects, SMR and AMRs, existing civil and defence plant, fusion reactor design and decommissioning.

Mentoring and training will be provided to support the development of your technical and professional skills throughout your career at Jacobs.

In this role you will have the opportunity to work on various applications of reactor technology, potentially including SMRs, AMRs, fusion reactor designs and looking at reactor and associated thermal hydraulic performance, safety performance and other aspects of nuclear reactor technology.

You will gain detailed knowledge of nuclear data and their application in a variety of modern physics codes, specialising in thermal hydraulic applications and associated analysis.

You will also be challenged to develop your skills and experience as well as being provided with opportunities to build a successful career.

Key Responsibilities include :

  • Developing a detailed understanding of reactor plant performance, spcialising in thermal hydraulic understanding and analysis
  • Performing complex reactor physics plant and thermal hydraulics analysis
  • Developing underpinning mathematical and physical theories
  • Working as a team to deliver work to time, cost and customer satisfaction
  • Presenting results at technical meetings and conferences where appropriate
  • Here's What You'll Need :

    Here's what you will need :


  • A postgraduate degree in mathematics, physics or engineering, or any other subject with a strong mathematical component (or equivalent experience)
  • A background and interest in mathematical and physical theory and their application to engineering
  • Experience of undertaking thermal hydraulic calculations and using associated analytical software packages
  • Good scientific programming skills
  • Ability to think innovatively and to solve complex problems
  • Ability to work independently, but also to seek guidance when necessary
  • Ability to quickly and efficiently absorb new technical skills rather than just applying current ones
  • Ability to communicate well, both verbally and in writing with internal & external experts and clients
  • The ability to write well-structured reports that present clear arguments with a sound basis for recommendations
  • Good interpersonal skills with the ability to work as part of a team;
  • Desirable

  • Knowledge / experience with nuclear reactor technology and good understanding of principles of reactor plant operations
  • Familiar with modelling codes / analytical software relating to reactor physics and thermal hydraulics
  • Experience of undertaking thermal hydraulics calculations for Pressurised Water Reactors or other reactor types, including performance of calculations for : faults, severe accident, loss of cooling and decay heat removal conditions
  • Experience of working in multifunctional teams
  • Applicants with thermal analysis experience from other industries are also welcomed as comprehensive training will be provided for all successful candidates.
  • Ability to lead tasks and provide guidance to more junior team members
  • Why Jacobs?

    We clear the way for inventive thinking so you have the support, means and space to deliver the boldest solutions for the extraordinary and every day.

    Jacobs. A world where you can.

    Our Culture :

    We’re invested in you and your success. 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.

    We aim to make inclusion and diversity core attributes of our identity, embedded in all our employment and business practices in all locations.

    We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative.

    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 have any queries regarding the application process, please contact style "font-family : Arial">

  • Successful candidates will be asked to complete a Baseline Personnel Security Standard Pre-Employment check and will be required to undergo various checks including : Identity, Right to Work;
  • Employment / Education History and Criminal Record. If you are unable to meet this and any associated criteria, then your employment may be delayed or rejected.

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