Powertrain Thermal Systems Simulation Engineer

Bugatti Rimac, part of the Rimac Group, brings together two forces that have redefined the automotive world. By combining Rimac’s cutting-edge electric performance and innovation with Bugatti’s 110+ year legacy of crafting iconic hypercars, we are pushing the boundaries of what’s possible in automotive engineering.

Our team is at the core of this, we work with passion, aim for excellence, and take ownership of what we do. We grow together, pioneer solutions, and deliver vehicles that set new standards.

Get in the driver's seat

As a Powertrain Thermal Systems Simulation Engineer, you will develop, validate and maintain accurate 1D thermal and hydraulic models of powertrain systems and components. You will support vehicle performance development, XiL applications and thermal management optimisation through advanced simulation methodologies.

Working across powertrain, testing and vehicle teams, you will develop robust GT-Suite and MATLAB/Simulink models and ensure reliable predictions and strong correlation between simulations and experimental tests.

You will love this role if you enjoy solving complex thermal management challenges, transforming test data into engineering insight and influencing powertrain development through simulation-driven decisions.

Where you’ll make an impact

• Develop, validate and maintain accurate 1D thermal and hydraulic models of powertrain components

• Develop and maintain fast-running and real-time thermal models for vehicle development and XiL applications

• Advance thermal modelling knowledge of ICEs, gearboxes, electric motors and batteries

• Utilize GT-Suite and MATLAB/Simulink for thermal analysis and model development

• Collaborate with testing teams to define instrumentation, sensors and validation plans

• Participate in experimental testing and use results to refine models

• Assess simulation results and recommend technical solutions to improve thermal performance and reliability

• Prepare and present technical reports highlighting simulation findings and engineering recommendations

What are your core components

• 2-5 years of experience in thermal simulation, powertrain engineering and virtual validation

• Proven expertise in GT-Suite and MATLAB/Simulink

• Strong understanding of fluid dynamics, heat transfer and thermodynamics

• Knowledge of cooling circuits, lubrication systems and thermal management

• Understanding of internal combustion engines, gearboxes, electric motors, batteries, HVAC and refrigerant circuits

• Strong analytical and problem-solving mindset

• Excellent written and verbal communication skills

• Experience working in cross-functional engineering environments

• Commitment to continuous learning and technical excellence

• Ability to mentor and support junior engineers

Fuel Package

• Private healthcare and mental wellbeing support
• Flexible working hours and up to 12 days of remote work per month
• Transportation allowance and subsidized meals
• Company performance based bonus and holidays bonus
• Minimum 25 days of holidays from day one
• Internal education programs and opportunities to grow
• A supportive, collaborative, and high-performing environment where people succeed together
• Team events, company gatherings, and on-site perks (coffee, fruit, relaxation zones)
• Family support (kindergarten subsidies, children’s events and gifts)
• Dog-friendly office and partner discounts

Salary range: €37 500 – €62 500 gross per year (depending on experience)