Research Engineer CFD Thermal Concepts

Siemens Energy; Kraków; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Private medical care

Life insurance

Pension program

Stock options

Lunch card

Multisport card

Job summary

Siemens Energy in Kraków is seeking a Senior Thermal Engineer to design and optimize heat transfer systems, performing CFD simulations to analyze flow and thermal processes. You will model single and multi‑phase systems and collaborate with cross‑functional teams to bring innovations to market.

The role requires a degree in Mechanical Engineering or Physics, at least 6 years of research or engineering experience, and advanced English proficiency; a hybrid work setup is offered with three days in

Qualifications

• Degree in Mechanical Engineering or Physics with focus on Fluid Dynamics and Thermodynamics.
• At least 6 years of professional experience in research or engineering.
• Strong CFD software skills (ANSYS Fluent or STAR-CCM+).
• Advanced English proficiency is mandatory.

Responsibilities

• Develop innovative thermal concepts from theory to proofs and prototypes.
• Perform CFD simulations to analyze flow and heat processes.
• Model and optimize heat transfers including convection and radiation.
• Validate simulations with test data and collaborate with cross-functional teams.

Skills

Fluid dynamics

Heat transfer

English proficiency

Experiment supervision

Education

Degree in Mechanical Engineering or Physics

Tools

ANSYS Fluent

STAR-CCM+

Job description

This role is based in Kraków, with a hybrid setup requiring three days per week in the office. To ensure a fair evaluation, please submit your CV in English, as applications in other languages cannot be reviewed.

Snapshot of Your Day

Imagine joining a pioneering team where your passion for scientific discovery and technical creativity drives the development of groundbreaking energy solutions. You’ll collaborate across disciplines, designing and testing new thermal concepts, and use your expertise to model and optimize heat transfer processes. Each day, you’ll contribute to projects that shape the future of sustainable, secure, and efficient energy systems—well before these innovations reach the market. Your work will help transform the energy industry for generations to come, supporting Siemens Energy’s mission to drive innovation and sustainability.

How You’ll Make An Impact

• Develop innovative thermal concepts, taking ideas from theory to proof‑of‑concept and prototypes.
• Perform CFD simulations to analyze flow and heat processes, ensuring accurate and reliable results.
• Model and optimize heat transfers, including free and forced convection and thermal radiation.
• Research and develop thermal systems in single‑phase and multiphase models, focusing on solid‑fluid interactions.
• Validate simulation results by comparing them with test and measurement data, collaborating with cross‑functional teams.

What You Bring

• Degree in Mechanical Engineering or Physics, with a focus on Fluid Dynamics and Thermodynamics.
• You have at least 6 years of professional experience in research or engineering.
• You are skilled in CFD tools such as ANSYS Fluent or STARCCM+.
• Strong knowledge of fluid mechanics, thermodynamics, and heat transfer.
• You have experience setting up and supervising research experiments.
• Advanced English proficiency is mandatory.

Our Commitment to Diversity

Lucky for us, we are not all the same. Through diversity, we generate power. We run on inclusion, and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character—no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.

Rewards/Benefits

• We use a motivational remuneration system and an attractive benefits package (including private medical care, life insurance, Employee Pension Program, stock market plans, additional days off, lunch card, Multisport card, Social Fund programs, additional benefit points on the MyBenefit platform).
• Refer and earn through our rewarding Referral Program.
• Grow professionally with broad development opportunities and participation in exciting projects.
• We offer options to work flexibly in hybrid mode of work.