Senior Site Manager – Water Infrastructure Security

Galliford Try; Greater London; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Generous holiday entitlement

Corporate discounts

Cycle to Work schemes

Comprehensive pension plan

Save as You Earn share purchase scheme

Private medical scheme options

Job summary

Galliford Try Asset Intelligence in Thames Valley is seeking a Senior Site Manager to lead a Thames Water security upgrade site. You will oversee civils, physical/electronic security, electrical works and commissioning within a live water environment, ensuring safe, on-time delivery with minimal disruption.

You will manage on-site teams, subcontractors and suppliers, uphold CDM compliance, RAMS and permits, and act as on-site representative for the project team, driving progress and quality.

Qualifications

• Strong experience in a senior site management role within construction, infrastructure, utilities, water, security or similarly controlled operational environments.
• Confidence leading multi-discipline site teams and coordinating subcontractors, specialist suppliers, designers and commissioning teams.
• Good understanding of CDM, SHEQ processes, RAMS, permits, temporary works, ITPs, NCRs, snagging and handover requirements.
• Able to read and interpret drawings, specifications, programmes, technical documentation and site records.
• Strong client-facing communication skills and the ability to build effective relationships with Thames Water operational personnel and project stakeholders.
• Commercially aware, with the ability to identify risks, variations, early warnings and programme constraints.
• Able to work in a security-sensitive environment and maintain confidentiality around site layouts, security drawings and system details.
• SMSTS and CSCS Black Card or equivalent.
• First Aid at Work.
• EUSR Water Hygiene.
• Temporary Works Coordinator or Temporary Works Supervisor awareness.
• Experience on water treatment works, utilities, CNI, MOD or secure infrastructure projects.
• Experience with FieldView, Viewpoint for Projects, SharePoint, Teams, Primavera P6 or similar project systems.

Responsibilities

• Lead the day-to-day management of all on-site operations for the assigned Thames Water security upgrade site.
• Coordinate multidisciplinary workstreams including civils, physical security, electronic security systems, electrical works, commissioning engineers, designers, subcontractors and specialist suppliers.
• Act as the primary on-site point of contact for Thames Water site teams, operational stakeholders, security stakeholders, subcontractors and internal project teams.
• Ensure all work packages are delivered in line with the agreed programme, technical specifications, approved drawings, RAMS, permits, ITPs and project constraints.
• Maintain a strong safety culture in line with CDM requirements, Galliford Try procedures, Thames Water site requirements and water industry safe working expectations.
• Ensure daily briefings, toolbox talks, RAMS reviews, point-of-work checks and permit controls are completed and recorded.
• Manage security-sensitive working arrangements, including access control, visitor controls, secure handling of drawings and control of site information relating to security assets.
• Plan and coordinate phased works to minimise impact on live water treatment, distribution or operational processes.
• Coordinate civils works including excavations, ducting, service avoidance, bases, perimeter works, reinstatement and interfaces with existing utilities.
• Oversee physical security works including fencing, gates, barriers, turnstiles, secure compounds and associated foundations or fixing details.
• Oversee electronic security system installation including CCTV, access control, intruder detection, PIDS, containment, cabling, panels and communications infrastructure.
• Support commissioning planning, site acceptance testing, handover documentation and post-installation training where required.
• Monitor progress, labour, plant, materials, subcontractor performance, constraints, delays, defects and emerging risks.
• Maintain accurate site records, daily diaries, progress photographs, quality evidence, as-built information, red-line records and handover documentation.
• Support commercial control by validating progress, recording evidence, highlighting early warnings, identifying changes and reducing avoidable rework.
• Escalate safety, operational, design, commercial or programme risks promptly to the Project Manager and Delivery Manager.

Skills

Site leadership

Multidisciplinary coordination

CDM/SHEQ

Reading drawings/technical docs

Client/stakeholder liaison

Commercial risk management

SMSTS

CSCS Black Card

First Aid at Work

EUSR Water Hygiene

Temporary Works awareness

Water treatment/utility experience

Project systems knowledge (FieldView,/

Tools

FieldView

Viewpoint for Projects

SharePoint

Teams

Primavera P6

Job description

Galliford Try Asset Intelligence in Thames Valley is seeking a Senior Site Manager to lead a Thames Water security upgrade site. You will oversee civils, physical/electronic security, electrical works and commissioning within a live water environment, ensuring safe, on-time delivery with minimal disruption.

You will manage on-site teams, subcontractors and suppliers, uphold CDM compliance, RAMS and permits, and act as on-site representative for the project team, driving progress and quality.