Primary Location: ES - Madrid - C/Alfonso XII Company Description Work with Us. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one general team driven by our common purpose to deliver a better world. Job Description We are seeking a motivated Engineer with interest or initial experience in Tunnel Ventilation Systems (TVS) and/or Computational Fluid Dynamics (CFD). Assist in the development of ventilation models and engineering assessments under the supervision of senior engineers.
Assist in preparing engineering calculations, ventilation system layouts, mechanical design drawings, equipment sizing, and technical specifications.
Support the development and review of simulation models for tunnel ventilation and fire scenarios.
Assist in developing 1D ventilation simulations (SES, IDA Tunnel)



and 3D fire and smoke modelling analyses using FDS/PyroSim. Coordinate with multidisciplinary teams to support integrated tunnel and station designs.
Ensure designs and calculations comply with project requirements, applicable codes, and engineering standards.
Support space proofing activities and equipment access/maintenance studies for TVS components.
Contribute to technical reports, presentations, and engineering documentation.
Bachelor's degree in mechanical engineering, Aerospace Engineering, Civil Engineering, Mining Engineering, or a related discipline.
Additional training in tunnel ventilation, fire safety engineering, or CFD simulation is desirable.
Strong interest in tunnel ventilation, fire life safety engineering, fluid dynamics, and simulation-based design.
Familiarity with SES, IDA Tunnel or equivalent tunnel ventilation simulation software would be beneficial.
Experience with ANSYS Fluent or equivalent CFD s

📌 Fire Engineer or Senior Engineer (España)
🏢 AECO
📍 España