Senior Mechanical Engineer

What you'll be doing
What You’ll Be Doing Lead and review mechanical designs to ensure compliance, safety, and performance excellence.

Collaborate with stakeholders to deliver projects on time, within budget, and to high quality standards.

Promote the use of digital tools and modular construction techniques.

Drive Health & Safety by design, identifying improvements and reducing whole-life costs.

Champion sustainability, carbon reduction, and innovation across the design lifecycle.

Mentor junior engineers and create a culture of technical excellence and continuous learning.

Work closely with project and engineering leaders, contributing to strategic decisions.
Who we're looking for
You will ideally have:

A degree in Mechanical Engineering (or related discipline).Preferably chartered, or working towards chartered status.

Proven experience in mechanical design—ideally in the water sector or similar complex infrastructure environment.

Strong understanding of industry standards, health and safety legislation, and construction principles.

Leadership experience with a passion for coaching, mentoring and developing others.

Proficiency in CAD and engineering software.

Confident decision-maker, with a collaborative mindset and strong communication skills

Depending on your skills, experience, and interests, you could be aligned to one of our four business units:

Place Based Thinking The Place Based Thinking team delivers some of the largest and most complex projects across the @one Alliance. Made up of six Senior Project Manager teams, we oversee 19 catchments, covering key sites such as Whitlingham, Flag Fen, Great Billing, Cotton Valley, Bedford, Colchester, and Ipswich Cliff Quays. These projects involve managing all parts of the network from rising and gravity mains, pumping stations, high spilling overflows, and water recycling centres.

Water The Water Business Unit provides strategic support across the clean water network, covering both system performance and infrastructure planning. We assess the future hydraulic state of the network in response to population growth and increased demand, support the design and delivery of capital and infrastructure schemes to ensure hydraulic resilience, and work with optimisation teams to enhance overall network efficiency.

Water Recycling (East and West)
Our Water Recycling Business Unit, split into East and West regions, is responsible for the collection, conveyance, and treatment of wastewater across an extensive network. We operate over 76,000 km of sewerage infrastructure and 1,163 treatment centres, ensuring safe and sustainable discharge to the environment while driving innovation and environmental performance.#one Alliance #Balfour Beatty
Why work for us
Day in, day out, our teams deliver some of the UK’s most ambitious, exciting and meaningful projects; developing, building and maintaining the vital infrastructure that supports national economies and strengthens communities.

Why join us?

As if contributing to and supporting work that makes life better for millions wasn’t rewarding enough, we offer a full range of benefits too. You’ll have the freedom to shape the package that’s right for you and your life. Here are some of our key benefits:

- Smart working, giving you more flexibility such as staggered start and finish times, with up to 40% remote working, where roles allow.

- 25 days paid annual leave (pro rata)- Family friendly policies which include 28 weeks full pay for maternity/adoption leave and four weeks full pay for paternity/partners leave
- Pension, share incentive plan, volunteering leave, recognition schemes and much more…

About us
Balfour Beatty’s Highways business delivers major schemes including motorway upgrade programmes, complex national infrastructure projects and regional investment programme works for National Highways. We have a strong orderbook and a positive pipeline of opportunities, we put the road user, at the heart of everything we do. We work safely, reduce carbon emissions and added social value to the communities within which we work.

Diversity and inclusion

At Balfour Beatty we believe that diversity and inclusion are essential components…