3D Internal flows to estimate pressure drop and flow distribution, including the effects of unsteady flow, turbulent mixing and conjugate heat transfer
Requirements
heat transfer
fluid mechanics
ansys fluent
star-ccm+
dbs check
bpss clearance
Heat and mass transfer mechanisms such as steam sparging and condenser/evaporator heat exchangers
Strong technical expertise in fluid mechanics and heat transfer principles.
Ability to develop and deliver analysis methods, models, and tools to support design and safety cases.
Satisfactory completion of a Disclosure and Barring Service (DBS) check
Complex transient phenomena such as flow induced vibration or compressible flow effects
Experience in reviewing, verifying, and validating CFD models against experimental data.
External airflow and discharges to atmosphere, such as cooling tower recirculation or gaussian plumes
Obtaining Baseline Personnel Security Standard (BPSS) clearance
Hands-on experience with CFD tools such as Ansys Fluent/CFX and Star-CCM+.
Track record of technically leading complex analysis projects and collaborating with multidisciplinary teams.
Proven ability to apply structured, high-assurance thermo-fluid analysis in safety-critical environments.
1D Hydraulic systems analysis to demonstrate system performance / requirements, including system pressure drops, pump sizing and operating philosophy
Satisfactory completion of a basic financial probity check
Benefits
Pension - 12% employer and 6% employee contributions.
Private Medical Insurance - BUPA single cover health care
£250 - One-off payment for new starters for home office purchases
We anticipate paying a salary of between £48,000-£63,000 DOE
Life Assurance - 6x pensionable pay
Benefits Allowance – £2,200 per annum, enabling you to create a bespoke package
Holidays - 28 days holiday (+ public holidays) and the ability to buy or sell up to 4 days.
Bonus - Performance related target opportunity 12.5%
Opportunities for career growth in a rapidly scaling business.
A flexible, inclusive, and supportive working environment.
Training + Development
Information not given or found
Interview process
Information not given or found
Visa Sponsorship
Information not given or found
Security clearance
baseline personnel security standard (bpss) clearance
disclosure and barring service (dbs) check
basic financial probity check
Company
Overview
470 MWe
Nuclear Reactor Capacity
Output capacity of the pressurized water reactors designed by the company.
90% factory-built
Manufacturing Efficiency
Modules are almost entirely constructed in factories, reducing on-site complexity.
June 2025
Regulatory Milestone
The company successfully passed early regulatory milestones and won the UK government’s SMR competition.
1 million homes
Energy Supply
Each reactor is capable of powering a million homes for 60 years.
A team of 15 engineers at Rolls‑Royce began designing a compact, scalable nuclear solution in 2016.
Blends decades of naval reactor experience with advanced manufacturing.
Modules are nearly 90% factory‑built across 1,500 parts, then shipped and assembled on site—cutting costs, time and complexity.
The company uses a boron-free primary circuit, eliminating toxic boric acid and reducing water use and waste.
Backed by strategic investors and partners like ČEZ and Siemens Energy to support global rollout.
Positions itself as a repeatable, investable product offering dependable 'always-on' clean energy to grids and industries.
Culture + Values
Innovative and forward-thinking.
Focused on safety, quality, and integrity.
Committed to delivering customer success.
Collaboration and teamwork across functions and regions.
A culture of continuous learning and development.
Driving a performance culture with a focus on results.
Empowering employees to make decisions and take responsibility.
Environment + Sustainability
2050
Net Zero Commitment
Committed to achieving Net Zero by the year 2050, aligning with global sustainability targets.
Focus on reducing carbon emissions through advanced nuclear technology.
Development of compact, small modular reactors (SMRs) to provide cleaner, low-carbon energy.
Sustainability goals to align with international frameworks such as the Paris Agreement.
Supporting the UK government’s energy transition strategy with clean, reliable energy solutions.
Inclusion & Diversity
Striving for greater gender balance in the workforce.
Creating an inclusive and respectful work environment.
Empowering diverse talent to contribute at all levels of the organization.