JOHNSON BIM
Principal Mechanical Engineer - Consultancy

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BIM EXCELLENCE: INNOVATION CENTRIC
Deliver class-leading BIM excellence with this award-winning multi-disciplinary team working on a wide range of large-scale, challenging, reference BIM projects.
Your opportunity
As the demand for our expertise continues to grow, we have an exciting opportunity for a Principal Mechanical Engineer to join our experienced MEP team based at our office in Manchester.
You will be able to demonstrate solid experience of working in a design capacity with an extensive technical knowledge of building services installations.
You will be expected to work as part of a multi-disciplinary team to deliver successful projects within a range of sizes and sectors. Our current wide-ranging project portfolio includes work in the residential and housing, development and regeneration, healthcare, education, commercial, and residential sectors.
Working as part of a team, you will be expected to manage your own project work, undertake detailed design to the required standards, and to deliver excellent levels of client service.
What you need to do to be effective in this role:
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
- Leading project mechanical design and in addition (for smaller projects) managing electrical engineers and specialists
- Working as the lead engineer in a design team being responsible for mechanical and public health building services design
- Supervising and monitoring the work of others in this function
- As a project lead, actively engage with clients to ensure project stakeholder requirements are successfully incorporated as well as continuing to develop strong client relationships
- Completing mechanical QA project reviews to ensure technical requirements align with industry regulations and recommendations as well as the client brief
- Advising clients on energy use and conservation for a range of buildings and sites, aiming to minimize the environmental impact and carbon emissions associated with our designs
- Ideally, using specialist computer-aided design (CAD) and BIM (Revit) software and other resources to design the systems required for the project
- Undertaking mechanical design calculations - ideally including the use of mechanical engineering software such as Hevacomp and IES
- Producing reports, drawings, and specifications to suit various RIBA design stages
- Liaising closely with other professionals, including structural engineers, architects, surveyors, and contractors of in-house and external project teams
- Attending a range of project group and technical meetings
- Ensuring that the design and maintenance of building systems meets legislative and health and safety requirements
- Provide ongoing mentoring and management of junior engineers and apprentices


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The skills and experience you need to have for this role:
- Significant experience and technical knowledge within a mechanical and public health building services design role from either a consultant or contractor background
- Having an accredited relevant degree or higher educational qualification in an applicable discipline (HNC/HND)
- To have achieved CEng status
- Excellent communication skills and willing to work as part of a close-knit team towards a shared goal
- Attention to detail and a strong desire to deliver high standards of client care
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