Simulation Engineer - CFD/Thermal

Sii Poland; Szczecin; On-site; PLN 90,000 - 150,000; 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 support the Product Design Studio. You will model, simulate, and optimize mechanical products, translating results into real design improvements across automotive, industrial, energy, and hi-tech projects.

Responsibilities include building and validating numerical models, analyzing results, and producing technical documentation while collaborating with cross-functional teams.

Qualifications

• Higher technical education in Mechanical Engineering or related field.
• At least 3 years independently performing CFD and/or thermal analyses.

Responsibilities

• Conduct CFD analyses and/or thermal analyses for mechanical products and systems.
• Create numerical models and prepare assumptions for simulations.
• Analyze flows, heat exchange, and product behavior under varying conditions.
• Interpret results and recommend design changes.
• Collaborate with project teams, designers, and other CAE specialists.
• Participate in product optimization for performance, reliability, and cost.
• Prepare technical documentation and reports from analyses.
• Support validation and product development through lifecycle stages.

Skills

CFD simulations

Thermal analyses

Modeling & verification

English communication

Education

Bachelor's degree in Mechanical Engineering

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.

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