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Contract

Civil Site Supervisor

Alexander Associates
London
money-bag £350 - £425/day
Posted: 08 June 2026 (Yesterday)
Closing date: 08 July 2026
Ref: 225218897

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 card
  • EUSR 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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