Senior HVAC Mechanical Designer

BES works with world-leading organisations in the pharmaceutical, biotech, life sciences, and healthcare sectors as well as hi-tech industries to create cutting-edge cleanrooms, laboratories and other sophisticated facilities for the discovery, development and manufacturing of life changing medicines and technologies. Committed to innovation and excellence in all we do, our specialist services encompass consisting of consultancy, design, construction, commissioning, and validation deliver turnkey projects throughout the UK.

We work right through from concept to completion, and you would work as an integral part of a multi-service design and installation team and be proactive in ensuring effective communication and production of high-quality information.

Much of your work will be in the Pharmaceutical, Healthcare and Food and Drink Sectors, providing detailed designs on projects ranging from sensitive research facilities to complex and demanding sterile manufacturing environments.

What will you be doing?

Although reporting to the Design Lead you will have responsibility for the following mechanical / HVAC design processes from concept through to detailed design

and construction / commissioning.

•

Design through all RIBA Stages.

•

Support to Procurement teams.

•

Support for Programming and Planning.

•

Design support through construction.

In line with our core business, you w ill apply your

knowledge and competence in the detailed design of building services systems

to

complex validated facilities, which meet CGMP and ISO 14644 requirements such as:

•

Research and QA / QC laboratories

•

Sensitive research facilities

•

Pilot scale manufacturing

•

Full scale manufacturing

•

Potent processing

•

Sterile manufacturing

You will be a key member of a multi‑service design and installation team, ensuring clear communication and high‑quality outputs while supporting junior engineers.

The role requires proficiency in producing detailed procurement‑ready designs, including sizing, selection, space planning and routing, supported by CAD draughtsmen.

Competence of all major building services systems would be required including:

•

General & process specific supply & extract ventilation

•

Comfort air conditioning

•

Process specific heating / cooling / dehumidification and humidification

•

Chilled water

•

LPHW

•

Building Management Systems

•

Domestic & process H&CWS

You will identify client requirements, liaise with specialist providers, and attend client meetings to finalise designs.

The role is mainly office‑based with site visits for surveys.

Most projects are in pharmaceutical, healthcare, and food sectors, delivering detailed designs for research facilities and complex sterile manufacturing environments.

What you’ll bring

HNC (

as minimum)

in Building Services

Skilled in turnkey project design across HVAC, mechanical, and electrical systems

Strong knowledge of air conditioning, ventilation, chilled water, LTHW, and steam

Familiar with IES, AutoCAD, and Microsoft Office tools

Team-focused, customer-oriented, and confident liaising with senior stakeholders

What’s in it for you?

We offer a range of benefits designed to support your life in and out of work, some of which include;

Matched or contributory pension scheme

Online GP service, 24 hours a day, 365 days a year

Employee assistance programme

My Rewards portal, access to 1000’s of retail discounts

Life assurance

Cycle to work, salary finance and give as you earn schemes

Reward and recognition scheme

25 days annual leave plus bank holidays

Hybrid working and flexible hours

In addition, this role offers;

Our Salary sacrifice EV Car Scheme , Car Allowance

Private health care and health care cash plan for you

(and your family)

About us

We want to be an employer of choice and a great place to work, attracting diverse and talented people, who join us and make a difference. We’re one of the Top 100 UK companies actively supporting and recruiting army veterans. Our ENABLE inclusion networks bring together people who have a shared passion, to help create an environment where everyone belongs.

Our values help to shape our culture and how we work with one another. We recruit with these values in mind, to ensure your aspirations, and ways of working, align with ours.

We’re

responsible

and go further for our people, clients, communities and the planet

We’re

open

and seek new and better ways of exceeding expectations

We’re

together

and as one team; the whole is greater than the sum of the parts

We’re

ambitious

and embrace opportunity, to lead essential infrastructure services for life

Whether you’re a trainee, apprentice or graduate, or progressing through your career, our people benefit from industry recognised programmes, training and development.

It’s an exceptional time to be a part of M Group.

Please note:

Occasionally, job adverts might be closed before the stated closing date. Do apply as soon as possible to ensure your application is considered.

For certain roles, successful candidates will be subject to 3 rd

party background checks as part of the hiring process. Some roles require drug and alcohol testing as part of induction and onboarding.

#BES INDSTA