Mechanical/Sustainability Engineer/BER Assessor

BUILDING ENVELOPE TECHNOLOGIES LIMITEDFerns, Co. Wexford, South-EastEURESpublished 08/17/2026
Must-have:Junior

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Due to further growth & increased expansion Building Envelope Technologies, Ireland’s leading air tightness, building performance & compliance specialists are now seeking candidates for the position of Mechanical/Sustainability Engineer to be based at our office in Ferns, Co.Wexford.

Requirements:

  • Suitable Qualification in Mechanical/Sustainability Engineering.
  • Knowledge of experimental thermal testing methods (desirable, not essential)
  • Strong analytical, computational, and problem-solving skills
  • Excellent communication and teamwork abilities
  • Excellent communication and teamwork skills.
  • Developing and implementing thermal models using analytical and numerical methods (CFD, FEA, lumped parameter modelling)
  • Conducting thermal simulations for components, systems, and full assemblies under various operating conditions
  • Analysing heat transfer, thermal stresses, and cooling requirements
  • Collaborating with mechanical, electrical, and design engineers to integrate thermal considerations into designs
  • Validating simulation models using experimental or real-world data and iterating designs to improve performance
  • Preparing technical drawings for use in calculations and reports
  • Producing clear reports, presenting findings, and making recommendations for thermal management strategies
  • Advising clients on building compliance, particularly TGD Part L & Part F (NZEB)
  • Supporting SEAI Grant Applications and energy upgrade works
  • Contributing to low-energy, low-carbon design strategies
  • Keeping up to date with latest thermal simulation tools, methods, and industry trends

The role will suit an ambitious junior/graduate engineer with a suitable background and interest in sustainability or somebody in the construction industry looking to re-train. A generous package is available for the right candidate