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Civil Site Supervisor

Job in London, Greater London, W1B, England, UK
Listing for: Alexander Associates Technical Resources
Full Time position
Listed on 2026-09-05
Job specializations:
  • Construction
    Site Manager, Civil Engineering, Occupational Health & Safety
Job Description & How to Apply Below
Civil Site Supervisor Water Treatment | London | Contract An established UK infrastructure contractor is seeking a Civil Site Supervisor to support delivery on a major water treatment upgrade project in London. Working under the Site Manager, you will provide on-the-ground supervision of civil works associated with the construction of a new Rapid Gravity Treatment Plant on an operational clean water treatment site.

The Role This is a practical, site-based role focused on the day-to-day supervision of civil works, ensuring the workforce and subcontractors are working safely, to programme and to the correct specification. You will be a key point of contact on the ground, supporting the Site Manager with progress reporting and quality assurance.

Key Responsibilities Supervise civil works on site, directing the workforce and subcontractors to ensure safe and efficient delivery

Monitor progress against programme and report updates to the Site Manager Carry out regular toolbox talks, site inductions and safety briefings

Ensure all operatives are working to current RAMS, Permit to Work systems and site rules

Conduct daily H&S inspections and assist with CDM compliance on site Check works are being carried out in line with the latest drawings and specifications

Maintain accurate site diaries and records of works, resources and activities

Assist with material take-offs, deliveries and reconciliation

Liaise with the Site Manager and design team to resolve on-site technical queries

Support quality control procedures and ensure defects are identified and rectified promptly

Monitor subcontractor performance and escalate issues where required

Requirements

Essential qualifications & certifications:

SSSTS (or working towards SMSTS)
CSCS Supervisory cardEUSR National Water Hygiene First Aid at Work Fire Marshal

Skills & experience:

Proven experience supervising civil works on infrastructure or utilities projects

Sound understanding of CDM 2015 and site H&S requirements

Ability to read and interpret construction drawings and method statements

Experience working on water or wastewater treatment sites is highly desirable

Familiarity with NEC contract environments an advantage

Good communicator with the ability to direct and motivate site operatives

Organised and methodical approach to record keeping and site administration

Comfortable working on live operational sites with strict access and hygiene controls

What’s on Offer You will be joining a well-resourced project team delivering within a major AMP8 water framework at a time of significant sector investment. The role offers a stable programme and the opportunity to develop your supervisory experience on a technically interesting water treatment scheme.

Interested? Send us your CV and we’ll be in touch promptly to discuss the opportunity in confidence.
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