Senior Engineer - CFD Analysis at Rolls-Royce Smr in Derby, England, United Kingdom | GBP48,000-63,000 | Kablio

Role

Description

3d flow

pressure drop

flow distribution

unsteady flow

turbulent mixing

heat transfer

3D Internal flows to estimate pressure drop and flow distribution, including the effects of unsteady flow, turbulent mixing and conjugate heat transfer

Requirements

cfd tools

ansys fluent

star-ccm+

fluid mechanics

heat transfer

bpss clearance

Heat and mass transfer mechanisms such as steam sparging and condenser/evaporator heat exchangers
Hands-on experience with CFD tools such as Ansys Fluent/CFX and Star-CCM+.
Satisfactory completion of a basic financial probity check
Satisfactory completion of a Disclosure and Barring Service (DBS) check
1D Hydraulic systems analysis to demonstrate system performance / requirements, including system pressure drops, pump sizing and operating philosophy
External airflow and discharges to atmosphere, such as cooling tower recirculation or gaussian plumes
Ability to develop and deliver analysis methods, models, and tools to support design and safety cases.
Complex transient phenomena such as flow induced vibration or compressible flow effects
Strong technical expertise in fluid mechanics and heat transfer principles.
Proven ability to apply structured, high-assurance thermo-fluid analysis in safety-critical environments.
Obtaining Baseline Personnel Security Standard (BPSS) clearance
Track record of technically leading complex analysis projects and collaborating with multidisciplinary teams.
Experience in reviewing, verifying, and validating CFD models against experimental data.

Benefits

Pension - 12% employer and 6% employee contributions.
Bonus - Performance related target opportunity 12.5%
A flexible, inclusive, and supportive working environment.
Opportunities for career growth in a rapidly scaling business.
Private Medical Insurance - BUPA single cover health care
Life Assurance - 6x pensionable pay
£250 - One-off payment for new starters for home office purchases
We anticipate paying a salary of between £48,000-£63,000 DOE
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.

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

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

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.

Articles

Rolls-Royce SMR Overview

Careers at Rolls-Royce SMR

Description

3d flow

pressure drop

flow distribution

unsteady flow

turbulent mixing

heat transfer

3D Internal flows to estimate pressure drop and flow distribution, including the effects of unsteady flow, turbulent mixing and conjugate heat transfer

Requirements

cfd tools

ansys fluent

star-ccm+

fluid mechanics

heat transfer

bpss clearance

Heat and mass transfer mechanisms such as steam sparging and condenser/evaporator heat exchangers
Hands-on experience with CFD tools such as Ansys Fluent/CFX and Star-CCM+.
Satisfactory completion of a basic financial probity check
Satisfactory completion of a Disclosure and Barring Service (DBS) check
1D Hydraulic systems analysis to demonstrate system performance / requirements, including system pressure drops, pump sizing and operating philosophy
External airflow and discharges to atmosphere, such as cooling tower recirculation or gaussian plumes
Ability to develop and deliver analysis methods, models, and tools to support design and safety cases.
Complex transient phenomena such as flow induced vibration or compressible flow effects
Strong technical expertise in fluid mechanics and heat transfer principles.
Proven ability to apply structured, high-assurance thermo-fluid analysis in safety-critical environments.
Obtaining Baseline Personnel Security Standard (BPSS) clearance
Track record of technically leading complex analysis projects and collaborating with multidisciplinary teams.
Experience in reviewing, verifying, and validating CFD models against experimental data.

Benefits

Pension - 12% employer and 6% employee contributions.
Bonus - Performance related target opportunity 12.5%
A flexible, inclusive, and supportive working environment.
Opportunities for career growth in a rapidly scaling business.
Private Medical Insurance - BUPA single cover health care
Life Assurance - 6x pensionable pay
£250 - One-off payment for new starters for home office purchases
We anticipate paying a salary of between £48,000-£63,000 DOE
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.

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

Senior Engineer - CFD Analysis

Rolls-Royce Smr

Senior Engineer - CFD Analysis

Rolls-Royce Smr

Description

3d flow

pressure drop

flow distribution

unsteady flow

turbulent mixing

heat transfer

Requirements

cfd tools

ansys fluent

star-ccm+

fluid mechanics

heat transfer

bpss clearance

Benefits

Training + Development

Interview process

Visa Sponsorship

Security clearance

Overview

Culture + Values

Environment + Sustainability

Inclusion & Diversity

Articles

Description

3d flow

pressure drop

flow distribution

unsteady flow

turbulent mixing

heat transfer

Requirements

cfd tools

ansys fluent

star-ccm+

fluid mechanics

heat transfer

bpss clearance

Benefits

Training + Development

Interview process

Visa Sponsorship

Security clearance

Overview

Culture + Values

Environment + Sustainability

Inclusion & Diversity

Articles

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.

2050

Net Zero Commitment

Committed to achieving Net Zero by the year 2050, aligning with global sustainability targets.