Vacancies - Green Building Store Green Building Store


Trainee Design Engineer, full-time permanent

MVHR design diagramReporting to: Tom Heywood, Design Manager, Services Department

Salary: £19,913, rising to £21,448 after training period, usually 6 months.


To design Mechanical Ventilation with Heat Recovery (MVHR) systems for Energy Efficient Buildings and Passivhaus buildings


Join our friendly specialist team. Train to be a Design Engineer working with innovative architects & self-builders across the country on ventilation systems for Passivhaus and low energy builds.

The core task is to design systems for new build and retrofit dwellings using a bespoke CAD based 3D design package for ventilation systems.  We currently use CADVent, but are moving to MagiCAD.   Candidate will already have competence in AutoCAD, but training in CADvent/MagiCAD will be provided on the job if required.

The role also involves liaising with architects and selfbuilders over their design requirements and constraints and generally providing customer support, via telephone and email.

A background in mechanical engineering, architectural technology or building services could suit you for this role alongside an interest in low energy building/Passivhaus/environmental building.  

You will be attracted to developing your career in an innovative growing company committed to energy efficient and sustainable construction.   Green Building Store is looking for someone with the interest and aptitude to develop in this role and to contribute to the technical development of the Department.  Relevant experience will be valued. 

Green Building Store’s MVHR department is nationally recognised for its Passivhaus expertise in this fast developing field.

BACKGROUND – Green Building Store

Green Building Store specialises in ultra low energy / Passivhaus product supply and has been established for 20 years at the forefront of environmental building practice.  This innovative, ethical company has a friendly and creative working environment with a supportive team ethos, alongside an expectation of commitment and motivation.  Our offices are located in peaceful rural surroundings with free parking, reasonable transport links and a strong cycling culture.

Note that the Green Building Store expects team members to operate with a high level of autonomy and responsibility, once they are familiar with their role and have developed the competence to do so.


Green Building Store will shortlist candidates based on how many of the requirements are demonstrated in your application.  While some criteria, like communications skills, may be hard to show in an application, please try to find examples of your experience which help to demonstrate these requirements.  At interview stage we will explore these same criteria further.

Essential Requirements

Applicants must ensure that they show how they fit all these requirements in their application, giving examples where possible. 

  1. Methodical nature with attention to detail
  2. Computer literate with strong Auto CAD competence
  3. Knowledge of mechanical engineering, architectural technology or building services
  4. Good communications skills
  5. Technical aptitude to develop design skills for advanced ventilation system design, including ability to think and communicate in three dimensions
  6. Ability to work effectively with limited supervision
  7. Interest in ultra-low energy building technology and Passivhaus

Desired requirements

Please ensure that you demonstrate these competences in your application if you are able to do so.

  1. Graduate in Mechanical Engineering, Architectural Technology, or Building Services or HNC with practical experience.
  2. Experience of MagiCAD, Revit or other BIM modelling programmes

Holiday entitlement

The post carries annual paid holiday entitlement of 28 days including bank holidays, with the option of swapping a week’s pay for an extra week’s holiday.


How To Apply

Please send CV and covering letter to [email protected] clearly explaining why you are interested in this role and how your skills and experience relate to the person specification Essential and Desired Requirements above.Please include a note of where you heard about the job.

All applications will be acknowledged, so please call to check if no response is received.  If you would like to discuss this role, please call Tom Heywood or in his absence Camilla Govan at Green Building Store on 01484 461 705


Applications by end of Sunday 12th August; interview date to be confirmed.



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