Site Manager Projects

Allscreens Nationwide Ltd; Harefield; On-site; GBP 42,000 - 62,000; Full time

Benefits offered by this job

Clancy Xtras

Employee benefits programme

Cycle to work

Employee Assistance Programme

Job summary

The Clancy Group is seeking an experienced Site Manager to lead delivery on Thames Water projects from our Harefield site. You will coordinate with Project Managers, oversee civils, sewer and drainage works, and ensure safe, compliant progress to programme across complex sites.

You will bring SMSTS-style mindset, strong leadership, and a proven ability to manage subcontractors, maintain quality, and keep stakeholders informed.

Qualifications

• Proven experience delivering site projects in utilities, water, wastewater, civils or infrastructure.
• Strong understanding of CDM, health and safety, quality and environmental standards.
• Experience with complex civils works and drainage installations is advantageous.

Responsibilities

• Coordinate site works with the Project Manager to ensure safe, efficient delivery.
• Manage day-to-day delivery of works and subcontractor packages across civils and drainage.
• Oversee deep excavations, temporary works and confined spaces with appropriate controls.
• Produce and review RAMS, permits and site documentation for planned works.
• Conduct site inductions and HSEQ inspections; monitor safety performance.
• Manage plant, labour, materials and traffic management plans as required.
• Maintain accurate site records and collaborate with cross-functional teams.

Skills

Site leadership

Team coordination

HSEQ compliance

Troubleshooting

Job description

and we’re keen to hear from people like you who make it their business to get things done!

We have an opportunity for a Site Manager to join our high-performing team delivering projects on our Thames Water contract. This is a varied role, supporting the safe and efficient delivery of essential water and wastewater infrastructure works across a range of complex civil engineering projects.

You will be involved in works including the interceptor programme, complex civils, deep excavations, sewer repairs and new drainage installations, ensuring sites are managed safely, compliantly and to programme.

Here are some of the activities you will be involved in…

• Coordinating site works alongside the Project Manager to ensure safe, efficient and compliant delivery across Thames Water projects
• Managing day-to-day delivery of self-delivered works and subcontractor packages across complex civils, drainage, sewer repair and interceptor programme works
• Overseeing works involving deep excavations, confined spaces and temporary works, ensuring appropriate controls are in place
• Implementing CDM requirements and ensuring full compliance with Health, Safety, Environmental and Quality standards
• Producing, reviewing and managing RAMS, permits and site documentation for planned works
• Carrying out site inductions, HSEQ inspections and ongoing safety monitoring
• Managing streetworks requirements and coordinating suitable traffic management plans where required
• Maintaining accurate site records, quality assurance documentation and as-built information
• Managing plant, labour and material requirements, including plant hire and off-hire
• Working collaboratively with operational, commercial, client and supply chain teams to maintain programme and delivery objectives

We would love to hear from you if…

You will have proven experience managing site delivery within utilities, water, wastewater, civils or infrastructure environments, with a strong understanding of safe delivery on complex operational sites. Experience of deep excavations, drainage installations, sewer repairs, confined spaces and temporary works would be highly advantageous.

You will be confident leading site teams, coordinating subcontractors and maintaining high standards across safety, quality, programme and client delivery. Strong organisational skills, clear communication and the ability to manage multiple workstreams safely and efficiently are key to success in this role.

You will hold SMSTS, NRSWA Streetworks Supervisor, Temporary Works Coordinator, EUSR and Thames Water Passport. Confined Space training and a full UK driving licence are also required.

Our Company

Every day we work smarter, greener and use our imaginations.

Our purpose at Clancy is simple - we make life better for everyone’s growing families. We play a vital role in providing fresh drinking water and power to millions of homes and businesses and so much more.

We are one of the biggest family owned construction businesses in the UK and we care about our people, our clients and the environment.

What Next

You apply, and we respond within two weeks (we know how annoying it is not to hear anything back)! If you don’t receive feedback within that timescale, please don’t be afraid to chase us - one of our values is to do what we say we will do!

In addition to helping you reach your career goals, a competitive salary, pension, healthcare and holiday allowance starting at

24-26 days per annum, we also offer perks including Clancy Xtras, our employee benefits programme with discounts for numerous well-known retailers such as Tesco, Sainsbury’s, Currys PC World and Vue Cinemas, cycle to work scheme as well as an Employee Assistance Programme.

Clancy is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all our employees. If you require any reasonable adjustments to be made for you to attend an interview, please do let us know and we will be happy to accommodate.

We are proud signatories of the Armed Forces Covenant and Disability Confident Committed.

Proud member of the Disability Confident employer scheme

Site Manager Projects

Company: The Clancy Group Salary: Not specified Hours: Full-time Location: Harefield, UB9 6HZ Job type: Permanent Posting date: 17 Aug 2026 Closing date: 16 Sept 2026

Summary

Site Manager Projects

Harefield