CFD and Thermal Simulation Engineer

OPmobility; Lublin; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Medical & life insurance

Sports card

Language courses

Birthday day off

On-site parking

Employment stability

Job summary

OPmobility in Lublin, Poland is seeking a CFD and Thermal Simulation Engineer to drive high-quality thermal and fluid analyses for automotive power products.

You will deliver actionable insights to development teams, improve methodologies, and work with internal teams and OEMs, with a hybrid work mode at times.

Qualifications

• 5 years of experience in a similar role.
• Master’s degree in Mechanical Engineering or Fluid Mechanics.
• Good knowledge of fluid and thermal engineering.
• Strong knowledge of numerical simulation (3D and 0D/1D) – must-have.
• Hands-on CFD with tools (Star CCM+, AVL Fire, Amesim).
• Basic understanding of electrical engineering / batteries is an asset.
• Automotive experience is a plus.
• Exposure to methodology development or automation is a plus.

Responsibilities

• Perform CFD and thermal simulation studies to support product development (thermal management, cooling, electro-thermal).
• Deliver clear analysis results and recommendations to project teams and technical stakeholders.
• Contribute to the development and improvement of simulation methodologies, including correlation with test results.
• Act as a technical interface with internal teams and OEM customers.
• Ensure simulations meet quality, cost and timing objectives.

Skills

Fluent English

Presentation of results

Team collaboration

Education

Master’s degree in Mechanical Engineering or Fluid Mechanics

Tools

Star CCM+

AVL Fire

Amesim

Job description

Ready to take on meaningful challenges and shape the next generation of mobility?

Joining OPmobility means stepping into a global group with a purpose to keep people and goods moving safely, smarter, and sustainably everywhere.

The role of CFD and Thermal Simulation Engineer is to support the development of automotive power products by delivering high-quality thermal and fluid simulations to improve design, performance and reliability.

This role is based in our C-Power Business Group in Lublin, Poland.

Responsibilities:

• Perform CFD and thermal simulation studies to support product development (thermal management, cooling, electro-thermal).
• Deliver clear analysis results and recommendations to project teams and technical stakeholders.
• Contribute to the development and improvement of simulation methodologies, including correlation with test results.
• Act as a technical interface with internal teams and OEM customers.
• Ensure simulations meet quality, cost and timing objectives.

Requirements:

• 5 years of experience in a similar role
• Master’s degree in Mechanical Engineering or Fluid Mechanics
• Good knowledge of fluid and thermal engineering
• Strong knowledge of numerical simulation (3D and 0D/1D) – must-have
• Hands‑on experience with CFD tools (e.g. Star CCM+, AVL Fire, Amesim)
• Basic understanding of electrical engineering / batteries is an asset
• Knowledge of material behavior is a plus
• Automotive experience is a plus
• Fluent English and ability to present technical results
• Exposure to methodology development or automation is a plus

We offer:

• Employment Stability
• Co‑financing of private medical care and life insurance with a capital fund;
• Subsidized sports cards;
• Support for language courses and meal subsidies;
• Extra paid day off in your birthday month;
• Free on‑site parking
• Hybrid mode of work (2 days per week of home office)

At OPmobility, people truly matter. We are committed to building inclusive teams, promoting diversity and equality, and ensuring that every application is considered fairly - because the future of mobility is built by diverse perspectives, bold ideas, and people who dare to move forward.

Innovation is therefore not a buzzword, but a natural part of everyday work. You’ll grow in an international environment where cutting‑edge technologies, industrial excellence, and real‑world impact come together to tackle the challenges of tomorrow’s automotive industry.

Founded in 1946 by Pierre Burelle, OPmobility, known until 2024 as Plastic Omnium, has transformed itself into a player in sustainable and connected mobility. Today, OPmobility develops technological solutions across four areas of expertise: exterior and lighting systems, the integration of complex modules, technologies related to energy storage, hydrogen and electrification, and a division dedicated to the development of embedded software and digital solutions.

With €11.5 billion in revenue in 2025, 152 factories, 40 R&D centers, and nearly 38,100 employees across 28 countries, OPmobility combines global scale with local impact. All driven by a shared ambition to accelerate the automotive energy transition.