Assistant Site Manager

Join the @one Alliance – a collaborative partnership of eight industry‑leading companies (Anglian Water, Balfour Beatty, Barhale, Binnies, MMB, MWH Treatment, Skanska, and SWECO) delivering over half of Anglian Water’s capital investment programme. As we prepare for the challenges and opportunities of AMP8, we’re looking for talented individuals to help us shape the future of water infrastructure.

We’re looking for Assistant Site Managers who will support our Site Managers in the safe, efficient and compliant delivery of construction activities, ensuring works are completed to the required standards of safety, quality, cost and programme.

The role provides day-to-day leadership to site teams and subcontractors, coordinating multiple work activities while developing the skills and experience required to progress into a Site Manager position. You will deputise for the Site Manager when required, and play a key role in driving performance, continuous improvement, and effective stakeholder management.

Support Site Managers and operational teams to achieve project objectives.

Assist in the planning and delivery of construction activities.

Coordinate labour, plant, materials and subcontractors to ensure efficient delivery.

Assist in the management and coordination of site resources.

Promote a positive, collaborative and high-performing culture.

Build positive relationships with project teams, promoting an inclusive and respectful working environment by encouraging collaboration and diverse perspectives.

If you are looking for an exciting opportunity to develop your career, help us shape the future of water infrastructure. You’ll bring:

Previous experience as a Site Supervisor or equivalent, on medium-sized construction projects

Relevant SMSTS training, CSCS card and Health & Safety or First Aid at Work courses

Programme and resource management experience

Excellent organisational and communication skills.

A valid UK driving licence.

In the @one Alliance, you’ll be part of something bigger — a partnership built on collaboration, innovation and purpose. You’ll have the autonomy to lead meaningful projects, influence strategy, and help shape a sustainable legacy for future generations.

Join us in building the future of water — together.

Safety is at the heart of everything we do. Being Safer Every Day means making positive choices, moment by moment, to protect ourselves and those around us. We create a culture where health, safety and wellbeing come first. Together, we will be the change