CFD & Thermal Simulation Engineer for Design & Optimization

Sii Poland; Białystok; On-site; PLN 156,000 - 234,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking an experienced CFD/thermal analyst to join the Product Design Studio. You will conduct CFD and thermal analyses for mechanical products and collaborate with designers and CAE specialists to drive design improvements.

The role requires at least 3 years of independent CFD/thermal experience, knowledge of STAR-CCM+ or ANSYS Fluent, and good English for international projects. Full-time or part-time cooperation is possible, with offices in Poland.

Qualifications

• Higher technical education in Mechanical Engineering, Energy, Aviation, Automation, or related fields.
• At least 3 years of experience conducting CFD or thermal analyses for technical products or systems.
• Demonstrated ability to build, validate, and verify numerical models.
• Good command of English for international collaboration.

Responsibilities

• Conduct CFD analyses and/or thermal analyses for mechanical products and systems.
• Create numerical models and prepare assumptions for simulations.
• Analyze flows, heat transfer, and product behavior under various operating conditions.
• Interpret simulation results and suggest design changes.
• Collaborate with project teams, designers, and other CAE specialists.
• Support product optimization for performance, reliability, and cost.
• Prepare technical documentation and reports from analyses.
• Support validation and product development throughout the lifecycle.

Skills

CFD analyses

Thermal analyses

English

Education

Engineering degree

Tools

STAR-CCM+

ANSYS Fluent

Job description

Sii Poland is seeking an experienced CFD/thermal analyst to join the Product Design Studio. You will conduct CFD and thermal analyses for mechanical products and collaborate with designers and CAE specialists to drive design improvements.

The role requires at least 3 years of independent CFD/thermal experience, knowledge of STAR-CCM+ or ANSYS Fluent, and good English for international projects. Full-time or part-time cooperation is possible, with offices in Poland.