Senior Building Physics Engineer

London, UK

RED is an expanding international M&E consultancy, with a proven track record in low energy design, focused on providing excellent design solutions to clients.

We now seek a fully experienced Senior Building Physics Engineer to be based in our London office with the ability to inspire others.

Role Requirements:

  • Produce PUE models and generate outputs for engineering reports and development of designs
  • Compilation and issue of building physics reports for CFD modelling, energy modelling, PUE calculations and feasibility studies acoss all business sectors.
  • Undertake project work, including setting up of Computational Fluid Dynamics (CFD) models and energy models based on design documentation and discussion with clients.
  • Data manipulation of original drawings according to specification revisions.
  • Use and develop in-house energy modelling tools including spreadsheets
  • Preparation of design calculations and models relating to energy & sustainability.
  • Technical research in the areas of renewable energy and other new technologies and developments.
  • Delegated responsibility for validation of graduate engineer input into renewable energy reports and calculations
  • Assist in the preparation of presentations for technical briefings to clients and Red staff
  • Liaise with external with software providers/developers on product improvement
  • Assist in the preparation of Award submissions
  • Mentoring of Graduate engineers re sustainability discipline.
  • Preparation of design calculations and models relating to sustainability.
  • Undertake research as required to gather information and develop appropriate calculation methods
  • Participate in knowledge collation and development of calculation methods, best practices
  • Perform hydraulic pipe flow analysis using Pipe-Flo
  • Compile hydraulic study of the process cooling water (PCW) system. Compile head pressure calculation on pumps
  • Determine the velocity / pressure drop in network
  • Compiling and assistance with CPD presentations for architects and clients


  • BEng/MSc in appropriate engineering discipline is essential

Specific Knowledge

  • Advanced user of 6Sigma DC CFD Modelling software or equivalent (Ansys Icepack, TileFlow)
  • Experience or knowledge of PUE Analysis
  • Good knowledge of MS Office applications Word, etc and advanced knowledge of Excel
  • Good understanding of key Health and Safety issues and legislation
  • Good knowledge of CAD, Revit, Navis and BIM360
  • Understanding of IES/ DesignBuilder/3D building modelling and analysis applied to Dynamic Simulation Modelling, BREEAM and Building Control Compliance, daylighting and energy
  • Basic understanding of Building Regulations
  • Ability to prioritise own and other workload and ability to work to deadlines
  • Training of junior engineers in the area of CFD, energy analysis, code compliance and sustainability
  • Ability to use IT based calculation and spread sheet software
  • Ability to manage multiple projects and work to deadlines
  • Good Team working skills and be able to work across multi offices
  • Good Presentation skills
  • Good understanding of BS/EN standards
  • Advance knowledge of HVAC, mechanical cooling systems, DC cooling control strategy, and BMS


Salary commensurate with experience.   
Our people work in friendly teams with a collaborative approach and mentoring support from talented leaders.  
We offer a comprehensive benefits package and are an equal opportunities employer.


Interested applicants may send their resume to

Location: London, UK

Region: EMEA

Salary: Competitive

Ready to join the team?

If you think you have what it takes to join an award winning team and help RED continue its exciting journey, we want to hear from you.