CFD and Thermal Simulation Engineer

OP Mobility; Lublin; Hybrid; PLN 150,000 - 230,000; Full time

Benefits offered by this job

Co-financing private medical care and

Life insurance

Subsidized sports cards

Language courses

Meal subsidies

Extra paid day off in birthday month

Free on-site parking

Hybrid work model

Job summary

OPmobility is seeking a CFD and Thermal Simulation Engineer to support the development of automotive power products by delivering high-quality thermal and fluid simulations. The role is based in Lublin, Poland, within the C‑Power Business Group, offering a hybrid work model with two days per week remote.

The candidate should have 5 years of related experience, a Master’s degree in Mechanical Engineering or Fluid Mechanics, strong CFD skills (Star CCM+, AVL Fire, Amesim), and fluent English for

Qualifications

• Master's degree in Mechanical Engineering or Fluid Mechanics.
• 5 years of experience in a similar role.
• Fluent English with the ability to present technical results.

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

CFD tools

Thermal engineering

Numerical simulation

English communication

Automotive experience

Education

Master's degree in Mechanical Engineering/Fluid Mechanics

Tools

Star CCM+

AVL Fire

Amesim

Job description

CFD and Thermal Simulation Engineer

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.