Senior or Principal Mechanical Engineer (Data Centres and Mission Critical)

London

As the largest within the firm, our London office has a broad and far-reaching experience covering all sectors. It’s a real hive of activity, home to both MEP engineers and a variety of other specialist groups.

You will join a talented, dynamic, and diverse team of designers, engineers, and technical specialists with a unique working culture. Our team is large enough to work on large national and international schemes yet agile enough to allow significant talent growth and career progression.

As a Senior Mechanical Engineer/ Principal Mechanical Engineer, you will work alongside experienced engineers to develop and deliver coordinated, collaborative, innovative and technically excellent design solutions that respond to our clients brief and vision.

By creating and embracing a unique culture we ensure we remain leaders in our field enjoying what we do, having fun and achieve the best results by delivering a consistent, high-quality service for our clients.

Working for a firm with strong social values you will have the opportunity to use your engineering skills to support the role we have in society in meeting the needs of the industry, the environment, and the communities in which we live and work, and improving the quality of life for generations to come.

For us it is personal.

Hoare Lea is an award-winning engineering consultancy with a creative team of engineers, designers and technical specialists. We provide innovative solutions to complex engineering and design challenges for buildings.

Irrespective of the scale or complexity of a project, we provide a full range of MEP, environmental and sustainability services, bringing buildings to life and ensuring that they perform in operation as well as they look.

Why work for us?

You’ll collaborate with the industry’s best, working with a wide range of built-environment specialists.

You’ll be part of progressive and exciting projects, able to experience innovative schemes across all sectors.

You’ll advance your career, your way, thanks to our structured Career Paths framework.

The role

As a Senior or Principal Mechanical Engineer, you will support and deliver designs for various Data Centres and Mission Criticalhealthcar project types and sizes. You will work within a multidisciplinary team of engineers and support staff delivering a consistent high-quality service for clients, ensuring that repeat and new business opportunities are developed, and profitability is achieved. The role is instrumental in helping to continue to grow and develop a team of technically competent engineers within this high-performing sector, as well as seeking new opportunities to develop the business.

Designing mechanical engineering systems at the highest level using the latest software design packages.

You will be able to lead mechanical services design on large projects and take the overall lead on small to medium-sized projects within the office.

You will mainly be focusing on the Data Centre and Mission Critical sector.

You will lead the development of initial strategic concepts for projects ensuring solutions are appropriate for the brief and regulatory standards.

Take responsibility for solid technical delivery in your work either alone or as part of a team.

Engage with junior support staff in their day-to-day activities and offer advice and guidance to ensure that they develop their skills and that we get the best out of our people.

You will be financially astute and work with the team leader to help monitor fee expenditure, resources and work delivered. 

Looking at new ways of working and taking time out for innovation and research ensuring we keep abreast of our competitors.

Creating and maintaining a high reputation within the local industry and ensuring adherence to QM and risk control procedures is also a very important part of the role.

What we are looking for

Degree or equivalent qualification in Mechanical Engineering, Architectural Engineering or Building Services Engineering or equivalent qualification.

You will have experience working in a multi-disciplinary environment, with excellent communication skills with both internal and external clients, and a team-based work approach, you will appreciate that holistic working is central to good design, and you will have experience across a range of projects.

Experience in Mission Critical and Date Centre projects is desirable for this role.

Proficient in the latest computer modelling design software such as: Revit and BIM is desirable for this role.

To reward your hard work and commitment we offer both core and flexible benefits, a competitive salary, and industry leading training and development to support you throughout your career.

Private medical scheme

Life Assurance

Income protection

days annual leave, increasing to with length of service

Contributory pension scheme

Employee Assistance Programme

Enhanced Paternity, Maternity & Shared Parental Leave

Season Ticket Loans

Professional membership subscription

Flexitime

Flexible benefits

Hybrid Working – activity-based approach

Employee stock purchase plan – a voluntary program which allows eligible employees to purchase Tetra Tech common stock at a % discount

Holiday buy & sell up to 5 days

Study Assistance

Cycle to work scheme

Employee Referral Scheme

Sabbatical Leave

Other flexible benefits include gym and retail discounts, travel & dental insurance, and GAYE (Give as you Earn)

Flexible working - We’re happy to discuss flexible working. There is no obligation to raise this at the application stage but if you wish to do so, you are welcome to. Flexible working will be part of the discussion at the offer stage

To apply simply complete a CV profile and submit your application, or for further information please contact

We are committed to being a place where underrepresented individuals and communities are not just included, but where marginalised knowledge and experience is valued, amplified, and harnessed. So, we strongly encourage applications from candidates of all backgrounds, including women, people of the Global Majority, LGBTQ+ individuals, disabled people, neurodivergent people, and those from all other underrepresented or marginalised groups. To learn more about our approach to diversity, equity and inclusion, see our .

Adjustments and accommodations

If there are adjustments or accommodations that we can put in place to ensure you can participate and give your best at any stage of the recruitment process (whether relating to disability, neurodivergence, or anything else) please let us know.

Flexible working

We are committed to enabling a healthy work-life balance for all employees. So, we welcome applications from candidates seeking flexible working arrangements to suit their particular needs and lifestyle, including part-time, term-time-only, and remote working.

Data privacy

We have updated our terms and conditions for candidates, .