Simulation Engineer - CFD/Thermal

Sii Poland; Toruń; On-site; PLN 89,000 - 167,000; Full time

Job summary

Sii Poland's Product Design Studio is seeking a skilled CFD/thermal analyst to support engineering projects across automotive, industrial, energy, aerospace and hi-tech sectors. You will build numerical models, run simulations, and translate results into practical design improvements.

Collaborating with designers and CAE specialists, you will help optimize performance, reliability and cost while documenting analyses for validation and project reporting.

Qualifications

• Higher technical education in Mechanical Engineering, Energy, Aviation, Automation or related fields.
• At least 3 years of independent CFD or thermal analyses experience.
• Experience with STAR-CCM+ or Ansys Fluent.
• Strong knowledge of fluid mechanics and heat transfer.
• Ability to build, validate, and verify numerical models.
• Good English for international collaboration.

Responsibilities

• Conducting CFD analyses and/or thermal analyses for mechanical products and systems.
• Creating numerical models and preparing assumptions for simulations.
• Analyzing flows, heat exchange, and product behavior under various operating conditions.
• Interpreting simulation results and recommending design changes.
• Collaborating with project teams, designers, and other CAE specialists.
• Participating in product optimization for performance, reliability, and cost.
• Preparing technical documentation and reports from conducted analyses.
• Supporting validation and product development processes at various stages of the life cycle.

Skills

CFD analyses

Thermal analyses

STAR-CCM+

Ansys Fluent

Fluid mechanics

Heat transfer

Numerical modeling

Documentation

English proficiency

Education

Bachelor's degree in Mechanical Engineering or related field

Tools

STAR-CCM+

Ansys Fluent

Job description

Join the Product Design Studio at Sii and support the implementation of engineering projects for clients from various sectors such as automotive, industrial, energy, aerospace, and hi-tech. We are looking for someone who specializes in CFD simulations or thermal analyses and wants to develop their skills in diverse projects related to design, optimization, and validation of products.

Depending on experience and availability, we offer the possibility of cooperation both in full-time and part-time capacities. We are looking for a versatile person who thrives in complex engineering issues and can translate simulation results into real improvements in designed solutions.

Your tasks

• Conducting CFD analyses and/or thermal analyses for mechanical products and systems
• Creating numerical models and preparing assumptions for simulations
• Analyzing flows, heat exchange, and product behavior under various operating conditions
• Interpreting simulation results and recommending design changes
• Collaborating with project teams, designers, and other CAE specialists
• Participating in product optimization for performance, reliability, and cost
• Preparing technical documentation and reports from conducted analyses
• Supporting validation and product development processes at various stages of the life cycle

Requirements

• Higher technical education (Mechanical Engineering, Energy, Aviation, Automation, or related fields)
• At least 3 years of experience in independently conducting CFD analyses and/or thermal analyses for technical products or systems
• Practical knowledge of STAR-CCM+ or Ansys Fluent
• Knowledge of fluid mechanics and heat transfer issues
• Ability to build, validate, and verify numerical models
• Experience in analyzing and interpreting simulation results
• Ability to prepare technical documentation and reports
• Good command of English allowing for work in an international environment

Job no. JOB-DPEPY

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.