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Assistant Site Manager

On-site in the UK·Added today (last checked 12 Oct)

Skanska UK

143 open roles

Overview

Skills

The role

External closing date:
Saturday, October 31, 2026 At Skanska, we're shaping the way we live, work and connect. As one of the world's largest construction and development companies, we work together with customers, communities and partners to shape a better society.

You will be working in the Infrastructure function working on our Anglian Water Project. Through our role in the @one Alliance, we're helping Anglian Water deliver a £2.6 billion investment in vital infrastructure. From civil works to water treatment facilities, this programme strengthens environmental protection across the East of England - safeguarding water resources for generations to come.

We are currently looking for an Assistant Site Manager who will lead site teams and subcontractors, supports site performance and stakeholder management, and deputises for the Site Manager while developing towards the role.

As the Assistant Site Manager, you will:

  • Lead site teams by example, promoting a collaborative, high-performing and inclusive culture.
  • Support the safe and efficient planning, coordination and delivery of construction activities on site.
  • Manage labour, plant, materials and subcontractors to achieve programme, quality and compliance requirements.
  • Build strong relationships with clients, customers and stakeholders through clear, proactive communication.
  • Drive continuous improvement in safety, productivity, innovation and the development of site teams.
We are looking for:

  • Proven experience as a Site Supervisor or in a similar role on medium-sized construction projects.
  • Holds essential certifications including SMSTS, relevant CSCS Card, First Aid at Work and Temporary Works Supervisor.
  • Strong understanding of construction techniques, programme and resource management, and commercial awareness.
  • Good knowledge of SHEQ requirements, subcontractor management and site compliance standards.
  • Full UK Driving Licence and strong IT/computer literacy; water sector experience and additional certifications are advantageous.
What we offer:
* 24/7 digital GP service for you and your family
* Financial wellbeing and employee assistance
* Professional development
* Enhanced family benefits (including maternity, paternity, dependants and parental bereavement leave)

Inclusion and Diversity
We thrive through embracing differences as we know that diversity opens a rich potential for new ways of thinking, helping us to build successful and high-performing teams. We call it The Skanska Way.

Flexible working
Where possible, we offer a range of flexible working options, and we would be happy to discuss this at the application stage if this is something you'd like to explore.

Reasonable adjustments
We want you to feel confident and supported throughout every stage of our recruitment process. If you need any adjustments to help you during your application, please contact us at recruitment@skanska.co.uk or call 0330 105 2000 - Option 5 & 1.

Closing date
We encourage you to apply as early as possible, as the closing date may be subject to change.

If this role would be of interest, please click apply and join our team of 27,000 problem solvers and creative thinkers, where knowledge is our greatest creation. We share, listen and support your success - every step of the way.

About Skanska UK

Industry
Construction
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