Overview
ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation. Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today. Join us and start building tomorrow’s world today!
* Clearance: Clearable
Job Description
As a Modelling and Simulation Engineer, you will join the team in Bristol to support our activities within the Aerospace sector. You will play a key role in the development and optimisation of hybrid powertrain systems for next-generation aircraft. Working at system and component level, you will develop performance models to support architecture selection, concept development, and system integration, helping drive efficient and innovative propulsion solutions for future aerospace platforms.
* Location: Bristol
* On Site: Hybrid
* Clearance: Clearable
* Experience Level: Mid - Level
Key Responsibilities
* Develop and maintain component-level models for hybrid powertrain systems including energy sources, power electronics, motors, and auxiliary systems
* Build and execute system-level performance models to evaluate efficiency, sizing, and operational behaviour
* Conduct trade studies and optimisation analyses to identify optimal hybrid propulsion architectures
* Support architecture selection and early concept development through detailed modelling and simulation
* Collaborate with battery, electric power unit, and systems engineering teams to support integration activities
* Support validation and testing activities, correlating simulation models with experimental data
* Produce technical documentation including modelling methodologies, reports, and analysis summaries
* Provide technical guidance and mentoring to junior engineers where required
Qualifications
Required Skills:
* Strong experience developing physics-based mathematical models for engineering systems
* Strong understanding of power electronics, electric machines, and power distribution systems
* Experience building system-level performance models for propulsion or powertrain systems
* Proficiency with MATLAB, Simulink, and Simscape
* Ability to translate first-principle engineering calculations into simulation models
* Strong analytical and problem-solving skills
Required Qualifications:
* A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.
* Demonstrated experience in engineering modelling and simulation within complex systems
Desirable Skills:
* Experience working on hybrid or electric propulsion systems
* Experience within aerospace, automotive, or advanced mobility sectors
* Knowledge of battery systems, power electronics, or electric power units
* Experience supporting system validation, model correlation, or experimental testing
Additional Information
Why join us?
We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals. Join a passionate team and help build tomorrow, today.
In short you get:
* A personalised career path and a rewarding management style
* A huge diversity of engineering projects and industries
* Private Medical Insurance
* Cycle & Tech Scheme
* Employee assistance programme
* Life insurance & Pension Scheme
* Social atmosphere, regular gatherings & team buildings
* Flexible way of working (role dependent)
We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.
ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.
This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview.
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