Intermediate Mechanical Design Engineer

Intermediate Mechanical Design Engineer
Posted on 19/08/2026
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Intermediate Mechanical Design Engineer

Careers Site Advertising End Date Advertising End Date

23 Oct 2026

Internal Advertising End Date Internal Advertising End Date

23 Oct 2026

All Locations All Locations

Southwark
All Locations is a required field

All Departments All Departments

Engineering
All Departments is a required field

Vacancy Type Vacancy Type

Permanent

About The Role
Why choose us?
BRUSH Groupprovides 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'sthe role?
Part of the BRUSH Group, Eta Projects 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).

Whatwe’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.
What's in it for you?
Competitive salary
Holiday allowance starting at 26 days per annumplus 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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