Principal Mechanical Engineer

• Team

Mechanical and Electrical
- Location

London and St Albans
- Type

Permanent
- Posted

16-Oct-25
- Salary

Subject to Experience

At Bryden Wood, we are on a mission to accelerate decarbonisation, deploy new technologies, and integrate design and delivery for critical infrastructure. As inventive thinkers, designers, engineers, and technical experts, we combine creativity with deep expertise. By integrating innovation and experience, we tackle complex challenges to shape a better world for everyone.

We are seeking talented Principal Mechanical Engineers to join our expanding teams in London and St Albans. We welcome professionals with diverse experience to contribute to our dynamic, global strategy and design consultancy.

As we continue to grow, we invite passionate individuals to contribute to large-scale, multidisciplinary infrastructure projects, including data centres and other cutting-edge facilities. These projects are driven by our core values of integration, optimisation, and standardisation.

As part of our team, you will collaborate closely with architects, engineers, and clients to develop innovative, high-performance, optimised designs. Your experience and expertise will play a pivotal role in driving project success through direct client engagement, seamless collaboration, and delivering efficient, high-quality solutions.

When you apply via the online form on our website, please include a link to your online portfolio, or combine your CV and portfolio into one PDF and upload it.

Let's build something great together

We are seeking experienced Principal Mechanical Engineers to lead on a series of high-profile projects across multiple international locations, which include:

• Data centres and mission critical facilities
• Infrastructure projects
• Large-scale industrial facilities

Essential requirements:

• Bachelor's degree in mechanical engineering, building services engineering, or equivalent.
• Experience in the design and construction of data centres, mission critical facilities, infrastructure projects, or large-scale industrial facilities.
• Comprehensive knowledge of RIBA/BSRIA design stages and construction processes.
• Experience in leading and managing the production and delivery of all aspects of mechanical design as part of a multidisciplinary design team.
• Experience in sustainable design, including energy efficiency, renewable integration, and low-carbon strategies for data centres and infrastructure.
• Thorough understanding of mechanical technical design for all RIBA stages. Including carrying out calculations, strategy development, project coordination, controls and commissioning, H&S and risk management and technical design delivery.
• Experience in training and mentoring engineers.
• Fluency in spoken and written English.
• Proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint).
• Proficiency in mechanical calculation software.
• Chartered Engineer (CEng) or actively working towards chartership.

Beneficial skills:

• Experience in project financial management, administration and fee bids.
• Intermediate to advanced knowledge in the use of BIM software, such as Revit, Navisworks.
• Experience in Design & Build (D&B) projects, collaborating with contractors to ensure efficient project delivery

About you:

• Well organised and disciplined.
• Excellent communication and presentation skills, with ability to liaise with senior management on any project‑related issues.
• Strong interpersonal skills and a team-oriented mindset.
• A proactive and enthusiastic approach.
• Strong analytical reasoning, critical thinking, and creativity in developing efficient engineering strategies and solutions
• Solution-based approach to solving complex engineering problems.

At Bryden Wood, we offer a range company perks*including:

9-Day Fortnight: Enjoy one extra day off every other week - completely free, no extra hours required, and no change to your salary

Paid Professional Membership: We've got your memberships covered

Private Healthcare: Fully funded by us

Career Progression: Regular performance reviews to support your growth

Pension Scheme: We match contributions up to 5%

Personal Accident Insurance: Financial protection in case of injury

Insured Group Life Scheme: Security for your loved ones

• Cycle to Work Scheme: Stay active and save on commuting

EV Scheme with Octopus: Go green with electric vehicle benefits

Facilities: Safe bike storage and showers

Learning Opportunities: Regular CPDs to keep you sharp

Fun & Social Events: Office lunches, outings, and monthly socials to keep things lively

• Benefits vary dependent upon geographical location – these will be discussed at interview

Additional Information:

Applications close: Friday 31st October. Please note, we reserve the right to close this advert early depending on the volume of applications received.

Bryden Wood is an Equal Opportunities Employer - equality, diversity, and inclusion are at the heart of everything we do. Working in a diverse society, we recognise that our clients, colleagues, and contractors are central to our success.

Appointment to this role will be subject to satisfactory references and possession of a valid Right to Work documentation depending upon your geographical location.

To protect the interests of all parties, Bryden Wood will not accept unsolicited or speculative resumes from recruitment agencies and will not be responsible for any fees associated with them.