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Senior - Principal Mechanical Engineer
Added 18/09/2026
Reference: 30814851223_1789745750

Senior / Principal Mechanical Design Engineer London | Hybrid Working | Up to £65kAbout the CompanyA growing engineering... Read more

Senior / Principal Mechanical Design Engineer
London | Hybrid Working | Up to £65k

About the Company

A growing engineering consultancy is looking to appoint a Senior or Principal Mechanical Design Engineer to join its Building Services team.

The business delivers engineering expertise across a diverse portfolio of projects throughout the UK, supporting clients across sectors including commercial, defence, public sector, transportation, utilities and infrastructure. With a strong reputation for technical excellence and collaborative working, they provide engineers with the opportunity to work on challenging and high-profile projects while maintaining a healthy work-life balance.

The Opportunity

This is an excellent opportunity for an experienced Mechanical Design Engineer to join a well-established team delivering innovative and sustainable building services solutions.

You'll be involved in projects from concept through to completion, working closely with clients, architects, contractors and multidisciplinary design teams to deliver high-quality, low-carbon engineering solutions.

For those operating at Principal level, the role offers additional responsibility around project leadership, client management and mentoring junior engineers.

Key Responsibilities

* Lead the design and delivery of mechanical building services systems across a range of projects
* Develop innovative and energy-efficient HVAC, heating, cooling and public health solutions
* Produce and review design calculations, specifications and technical reports
* Coordinate with electrical, sustainability and structural teams to deliver integrated design solutions
* Attend client, contractor and design team meetings
* Undertake site visits and provide technical support during construction
* Manage project programmes, resources and deliverables
* Mentor and support junior engineers

About You

* Degree qualified in Mechanical or Building Services Engineering (or equivalent)
* Experience working within a building services consultancy environment
* Strong knowledge of HVAC, heating, cooling and building services design
* Proficiency with industry-standard design software
* Good understanding of UK Building Regulations and CIBSE guidance
* Strong communication and client-facing skills
* Ability to manage multiple projects and stakeholders

Desirable

* Chartered Engineer status or working towards Chartership
* Experience leading multidisciplinary projects
* Knowledge of sustainable and low-carbon building design principles

Why Apply?

* Work on a broad range of technically challenging projects across multiple sectors
* Join a business with a strong reputation for engineering excellence
* Flexible working arrangements and a supportive culture
* Clear opportunities for progression and increased responsibility
* Exposure to high-profile developments and long-term client relationships
* Ongoing professional development and support towards Chartership

This role would suit a Senior Engineer looking to take on greater ownership of projects, or a Principal Engineer seeking a position that combines technical delivery, client engagement and leadership within a growing and highly respected consultancy.

Whether you're working in the larger corporate companies or a small SME this is certainly one to take note of. Please don't hesitate to apply or get in touch for further info on the email below, we can arrange a confidential conversation anytime to suit you.

Your expert recruitment consultant is Lakshman Sivanesan, reachable via [email protected]. Eden Brown is committed to equality in the workplace and is an equal opportunity employer.

Eden Brown is acting as an Employment Agency in relation to this vacancy.

Read less
£55,000.00 - £65,000.00
Per annum

London, England, United KingdomPermanent

Senior/Principal Mechanical Engineer - Data Centre
Added 28/08/2026
Reference: 30830543159_1787925094

Senior / Principal Mechanical Engineer - Data Centres London | Hybrid - 3 Days Office / 2 Days... Read more

Senior / Principal Mechanical Engineer - Data Centres
London | Hybrid - 3 Days Office / 2 Days Home

Ready to work on some of the most exciting data centre projects in the market?

We're partnering with a leading international engineering consultancy with a strong global reputation in data centres and mission-critical engineering.

This is an opportunity to join a growing team where you'll work on technically challenging, high-profile projects while being supported by a business that genuinely invests in its people.

What you'll bring:

* Strong Mechanical Building Services Design experience
* Proven Data Centre / Mission-Critical experience
* Consultancy background
* Strong HVAC & mechanical services knowledge
* Revit experience is advantageous

What's in it for you?

✨ Hybrid working - 3 days office / 2 days home

10% annual bonus
25 days annual leave
7% employer pension contribution
Private health insurance, including dental & optical
Clear career progression
Excellent training, mentoring & professional development
Exposure to major UK and international data centre projects

If you're looking to take your career to the next level within the data centre sector, this could be the move for you.

Get in touch to find out more.

Eden Brown is acting as an Employment Agency in relation to this vacancy.

Read less
£85,000.00 - £90,000.00
Per annum

London, England, United KingdomPermanent

Senior/Principal Mechanical Engineer - Data Centre
Added 15/08/2026
Reference: 30827313159_1786826312

Senior / Principal Mechanical Engineer - Data Centres London | Hybrid - 3 Days Office / 2 Days... Read more

Senior / Principal Mechanical Engineer - Data Centres

London | Hybrid - 3 Days Office / 2 Days Home

We are partnering with a leading international engineering consultancy specialising in data centre and mission-critical projects across the UK, Europe and globally.

The company is known for its technical excellence and is big on training, mentoring and professional development, offering excellent opportunities for career progression.

The Role

We are looking for a Senior / Principal Mechanical Engineer to join their growing team, working on exciting and complex data centre projects.

Requirements

Strong Mechanical Building Services Design experience
Proven data centre / mission-critical experience
Consultancy background
Strong HVAC and mechanical services knowledge
Revit experience advantageous

What's on Offer

Hybrid working - 3 days office / 2 days from home
25 days annual leave
10% annual bonus
7% employer pension contribution
Health insurance, including dental and optical cover
Excellent training and development
Clear career progression
Major data centre project exposure

Eden Brown is acting as an Employment Agency in relation to this vacancy.

Read less
£70,000.00 - £75,000.00
Per annum

London, England, United KingdomPermanent

Senior / Principal Mechanical Engineer - Multi-Disciplinary
Added 12/06/2026
Reference: 30814851223_1781272532

Senior / Principal Mechanical Design EngineerCity of London | Hybrid Working | Up to £70kA growing engineering consultancy... Read more

Senior / Principal Mechanical Design Engineer

City of London | Hybrid Working | Up to £70k

A growing engineering consultancy is looking to appoint a Senior or Principal Mechanical Design Engineer to join its Building Services team.

The business delivers engineering expertise across a diverse portfolio of projects throughout the UK, supporting clients across sectors including commercial, defence, public sector, transportation, utilities and infrastructure. With a strong reputation for technical excellence and collaborative working, they provide engineers with the opportunity to work on challenging and high-profile projects while maintaining a healthy work-life balance.

The Opportunity

This is an excellent opportunity for an experienced Mechanical Design Engineer to join a well-established team delivering innovative and sustainable building services solutions.

You'll be involved in projects from concept through to completion, working closely with clients, architects, contractors and multidisciplinary design teams to deliver high-quality, low-carbon engineering solutions.

For those operating at Principal level, the role offers additional responsibility around project leadership, client management and mentoring junior engineers.

Key Responsibilities

Lead the design and delivery of mechanical building services systems across a range of projectsDevelop innovative and energy-efficient HVAC, heating, cooling and public health solutionsProduce and review design calculations, specifications and technical reportsCoordinate with electrical, sustainability and structural teams to deliver integrated design solutionsAttend client, contractor and design team meetingsUndertake site visits and provide technical support during constructionManage project programmes, resources and deliverablesMentor and support junior engineers

About You

Degree qualified in Mechanical or Building Services Engineering (or equivalent)Experience working within a building services consultancy environmentStrong knowledge of HVAC, heating, cooling and building services designProficiency with industry-standard design softwareGood understanding of UK Building Regulations and CIBSE guidanceStrong communication and client-facing skillsAbility to manage multiple projects and stakeholders

Desirable

Chartered Engineer status or working towards ChartershipExperience leading multidisciplinary projectsKnowledge of sustainable and low-carbon building design principles

Why Apply?

Work on a broad range of technically challenging projects across multiple sectorsJoin a business with a strong reputation for engineering excellenceFlexible working arrangements and a supportive cultureClear opportunities for progression and increased responsibilityExposure to high-profile developments and long-term client relationshipsOngoing professional development and support towards Chartership

This role would suit a Senior Engineer looking to take on greater ownership of projects, or a Principal Engineer seeking a position that combines technical delivery, client engagement and leadership within a growing and highly respected consultancy.

Whether you're working in the larger corporate companies or a small SME this is certainly one to take note of. Please don't hesitate to apply or get in touch for further info on the email below, we can arrange a confidential conversation anytime to suit you.

Your expert recruitment consultant is Lakshman Sivanesan, reachable via [email protected]. Eden Brown is committed to equality in the workplace and is an equal opportunity employer.

Eden Brown is acting as an Employment Agency in relation to this vacancy.

Read less
£60,000.00 - £70,000.00
Per annum

Greater London, United KingdomPermanent

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COPYRIGHT © 2025 COMMUNITY RESOURCING LIMITED T/A EDEN BROWN BUILT ENVIRONMENT - PART OF NGAGE SPECIALIST RECRUITMENT LIMITED. ALL RIGHTS RESERVED. COMPANY REGISTERED IN ENGLAND AND WALES WITH COMPANY NUMBER 04123649.

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