Simulation Engineer - CFD/Thermal

Sii Poland; Rzeszów; On-site; PLN 120,000 - 190,000; Part time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Medical care

Job summary

Sii Poland's Product Design Studio is seeking a CFD/thermal analysis specialist to support engineering projects across automotive, industrial, energy, aerospace, and hi-tech sectors. The role involves model creation, simulations, result interpretation, and collaboration with cross-functional teams.

Ideal candidates have 3+ years of independent CFD/thermal experience, familiarity with STAR-CCM+ or Ansys Fluent, and strong English skills for international work.

Qualifications

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

Responsibilities

• Conduct CFD and/or thermal analyses for mechanical products and systems.
• Create numerical models and prepare assumptions for simulations.
• Analyze flows and heat transfer under various operating conditions.
• Interpret results and recommend design changes.
• Collaborate with project teams, designers, and CAE specialists.
• Support product optimization for performance, reliability, and cost.
• Prepare technical documentation and reports from analyses.
• Support validation and development processes across life-cycle stages.

Skills

CFD analyses

Thermal analyses

Fluid mechanics

Heat transfer

Model validation

Technical documentation

English communication

Education

Higher technical education

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 resultsAbility 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.

Benefits For You

• 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