Company: Jacobs
Skills: Hydraulic & Pneumatic
Education: High School/Secondary
Employment Type: Full Time Salaried Employee
Location: Birchwood, United Kingdom

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

With $13 billion in revenue and a talent force of approximately 52,000, Jacobs provides a full spectrum of professional services including consulting, technical, scientific and project delivery for the government and private sector.

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Critical Mission Solutions

Your mission is our mission.

We're invested in you and your success. Everything we do - whether Aerospace, Defense, Intelligence, Information Technology, Cybersecurity, Nuclear, Automotive, or Telecommunications - is more than just a project. It's our challenge as human beings, too. That's why we bring a thoughtful and collaborative approach to every one of our partnerships.

It's 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.

Design your 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.

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


• 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;

• 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

Our Culture

At Jacobs we see safety differently - we strive to go 'BeyondZero' by putting the health, safety and well-being of our employees first in everything we do.
We are committed to equality across our business and we work with external organisations such as STEM, WISE (Women in Science & Engineering) and Stonewall. We are also Disability Confident Committed; therefore, we guarantee to interview all disabled applicants who meet the minimum criteria for a vacancy.

When you join Jacobs you will have access to a wide range of Global Networks, centred on inclusion and diversity which is the foundation of our business and at the centre of our values.

To find out more about our networks, please visit our website;

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.

JACOBS is an Equal Opportunity Employer who is committed to the safety and wellbeing of all.