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Intermediate Mechanical Design Engineer
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Posted on 19/08/2026
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Intermediate Mechanical Design Engineer
Careers Site Advertising End Date:
11 Sep 2026
Internal Advertising End Date:
11 Sep 2026
All Locations:
Southwark
All Departments:
Engineering
Vacancy Type:
Permanent
About The Role
Why choose us?
BRUSH Group provides the energy solutions that help power our built world. From power transformers to switchgear and engineering solutions, for generations, the BRUSH brand has stood for engineering excellence.
We are committed to supporting the global effort for industrial decarbonisation and sustainable development and have set ambitious objectives to achieve our target of net zero greenhouse gas emissions by 2050. 🌍
What's the role?
Part of the BRUSH Group, ETA are a Mechanical, Electrical & Public Health (MEP) engineering design consultancy delivering projects across complex buildings — including healthcare, research, education and commercial sectors.
The Intermediate Mechanical Design Engineer will support the mechanical design team in developing coordinated, compliant and efficient mechanical building services solutions. The role will include preparing calculations, technical drawings, specifications, and reports under the guidance of senior engineers.
The successful candidate will contribute to projects at all RIBA stages, attending design meetings, undertaking site surveys, and coordinating with internal and external design disciplines to ensure quality and timely delivery.
Working Conditions - Hybrid working (typical 3 days office, 2 days at home) 37.5 contractual hours per week Monday - Friday.
Key Responsibilities:
- Assist in the design and specification of mechanical building services systems including heating, cooling, ventilation, domestic water, drainage and medical gases.
- Prepare design calculations, equipment schedules and technical submissions under supervision.
- Develop schematic and layout drawings in collaboration with CAD/Revit teams.
- Support the preparation of technical reports, design narratives and schedules for inclusion within tender and construction packages.
- Undertake and record site surveys and inspections.
- Liaise and coordinate with architectural, structural, and electrical teams as well as external consultants.
- Assist with compliance checks against HTMs, HBNs, CIBSE Guides, and Building Regulations.
- Support senior engineers in client and design team meetings by preparing materials and following up on actions.
- Contribute to practice improvements and maintain design quality standards.
- Work towards Chartered status (CIBSE/IMechE/IHEEM).
What we’re Looking For:
- Degree or HNC/HND in Building Services or Mechanical Engineering
- Working towards professional membership (CIBSE/IMechE/IHEEM)
- Experience in mechanical building services design (consultancy or design-and-build)
- Familiarity with mechanical services for healthcare and complex building environments.
- Working knowledge of design software (IES, Hevacomp, Revit, AutoCAD, Excel).
- Awareness of UK Building Regulations, CIBSE Guides, HTMs and HBNs.
- Strong communication and organisational skills.
- Ability to work collaboratively within a project team.
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What's in it for you?
- Competitive salary
- Holiday allowance starting at 26 days per annum plus bank holidays (pro rata for part time roles)
- Flexible and Hybrid working options (role dependant)
- Life insurance – 4 x annual salary
- Enhanced Company Pension scheme
- 24/7 free and confidential Employee Assistance Programme
- GP24 Service – Access to remote, private GP services 24/7, 365 days a year plus Second Medical Opinions.
- BRUSHRewards – Discover plenty of ways to get more active and make great savings on everyday essentials as well as gifts for loved ones, holidays and special treats for yourself.
- Family friendly policies including Enhanced Maternity/Paternity
- Bike2work scheme
- Long Service Awards
- Developing our people is important to us - we support and encourage development by offering ongoing professional development and training.
About You
About The Company
Eta Projects Ltd, part of the BRUSH Group, is a multi-disciplined engineering consultancy practice that specialise in mechanical, electrical and public health (MEP) infrastructure projects. Accredited and active members of many professional institutes, ETA Projects Ltd are a Lloyds registered designer for network substations up to and including 33kV and ensure business continuity for mission critical infrastructures. Providing a wide range of specialist infrastructure design and operational support services, ETA Projects Ltd specialises in critical power systems, especially the integration of new systems into existing complex environments, including acute healthcare, environment, secure IT, education.
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Careers Site Advertising End Date:
11 Sep 2026
Internal Advertising End Date:
11 Sep 2026
All Locations:
Southwark
All Departments:
Engineering
Vacancy Type:
Permanent
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