Senior Engineer (CFD)

London

Around the world, SYSTRA’s specialists plan, design, integrate, test, commission, project manage and deliver mass transit and mobility solutions that are relied on by more than 50 million people every day.

For more than 60 years, the Group has been committed to helping cities and regions contribute to their development by creating, improving and modernising their transport infrastructure with sustainability, accessibility and innovation at the heart of our designs. With over 10,300 colleagues globally and around 1000 in the UK & Ireland we are growing significantly and seeking out the very best talent to join the SYSTRA signature team and be part of leading the way in infrastructure design.

Context

We currently have an opportunity for an experienced Senior Mechanical Engineer/CFD Engineer, with particular specialism in Computational fluid dynamics for tunnels, ideally railways, to join our engineering team. This position within our MEP engineering team will suit a committed and ambitious engineer who can demonstrate strong leadership and interpersonal skills combined with commercial awareness and the ability to play their part in a dynamic high-performance team.

The Mechanical Engineer/CFD Engineer will be accountable for the delivery of CFD design allocated to MEP Projects, including but not limited to high-speed rail.

Missions/Main Duties

The Mechanical Engineer/CFD Engineer’s main duties will be to develop solutions for tunnel ventilation for MEP projects including high-speed rail, as well as the production of MEP designs as instructed by the projects Contractors Responsible Engineer and/or Lead Engineer and to be responsible for:

  • Ensuring designs are completed to meet Lead Engineers requirements.
  • Ensuring designs are completed to the timescales agreed with the Lead Engineer.
  • Planning the allocated design works to meet the agreed timescales.
  • Identify changes to the projects client requirements and raise the changes with the Lead Engineer.

Profile/Skills

Essential

  • Degree qualified in Mechanical, Aerospace, Chemical or related Engineereing discipline
  • Proven experience in using commercial CFD tools such as ANSYS Fluent, ANSYS CFX, or STAR-CCM+.
  • Knowledge of fluid dynamics and CFD workflows, including geometry preparation, meshing, solver setup and post-processing.
  • Ability to interpret simulation results and communicate findings clearly in reports and presentations.
  • Experience leading CFD studies; experience in tunnel ventilation or other infrastructure applications would be advantageous.
    Experience mentoring junior engineers, reviewing technical work, and providing technical guidance.
  • Experience of working with multidisciplinary teams in large-scale infrastructure projects.
  • Strong communication and interpersonal skills; fluent in English.
  • Ability to travel to client sites and other SYSTRA offices will be required.
  • Detailed knowledge of construction principles and standards.

Desirable

  • Previous consultancy environment experience advantageous.
  • Significant engineering design and site experience in a similar consultancy or contractor organisation.

..

Why SYSTRA?

Read more sur Why SYSTRA?
Posted 2026-06-12

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