Senior Thermal Systems Engineer: Electric Propulsion

ALTEN LTD - UK; Bicester; Hybrid; GBP 70,000 - 95,000; Full time

Benefits offered by this job

Private Medical Insurance

Cycle & Tech Scheme

Employee assistance programme

Life insurance & Pension Scheme

Social atmosphere, team events

Flexible working (role dependent)

Job summary

ALTEN LTD - UK is seeking a Senior Thermal Systems Design Engineer to join our aerospace-focused engineering team in Bicester. You will design and optimise thermal management for electric propulsion systems, including motors, power electronics, and EPUs, using CFD and experimental validation.

You will collaborate with multidisciplinary teams, liaise with suppliers, and ensure manufacturability and reliability of solutions across the product lifecycle.

Qualifications

• Bachelor’s or Master’s degree in Engineering or equivalent military experience.
• Proven experience delivering thermal design solutions for advanced engineering products.
• Experience with design, analysis, testing, and validation of thermal systems.

Responsibilities

• Own the thermal system design for electric propulsion products and associated technologies.
• Develop thermal management solutions for motors, power electronics, and EPUs.
• Analyse and optimise sealed liquid cooling systems, including heat exchangers, pumps, coolant circuits, and airflow management.
• Perform thermal and fluid flow simulations to support product development activities.
• Validate analysis results against real-world operating conditions and provide engineering recommendations.
• Specify cooling system components, including pumps, heat exchangers, and airflow requirements.
• Support development of innovative thermal management concepts to improve product performance and durability.
• Guide and support junior CAE Engineers, Designers, and Systems Engineers during the design process.
• Work with suppliers and customers to resolve technical challenges and deliver optimal engineering solutions.
• Ensure designs are suitable for assembly, manufacture, and volume production.
• Produce technical specifications, reports, and engineering documentation throughout the product lifecycle.
• Support testing and validation activities to verify analytical models and design assumptions.

Skills

Thermal engineering

Thermodynamics

Fluid mechanics

Heat transfer

CFD

ANSYS Fluent

Manufacturable solutions

Stakeholder management

Multidisciplinary teamwork

Independent work

Education

Bachelor’s or Master’s in Engineering

Equivalent military experience

Tools

Python

MATLAB

LabVIEW

Job description

ALTEN LTD - UK is seeking a Senior Thermal Systems Design Engineer to join our aerospace-focused engineering team in Bicester. You will design and optimise thermal management for electric propulsion systems, including motors, power electronics, and EPUs, using CFD and experimental validation.

You will collaborate with multidisciplinary teams, liaise with suppliers, and ensure manufacturability and reliability of solutions across the product lifecycle.