Mechanical Supervisor - Dagenham

About the role

We are seeking an experienced Mechanical Site Supervisor to join a major water infrastructure framework in Dagenham. This long‑term contract focuses on delivering capital upgrade projects within the AMP8 investment cycle, overseeing the installation and enhancement of critical mechanical assets.

Key responsibilities

• Direct and coordinate all mechanical sub‑contractors and supply chain partners across fabrication, erection, and installation phases.
• Read, interpret and work strictly from Isometric, General Arrangement (GA) and P&ID engineering drawings.
• Witness and sign off on quality checks, including pressure testing, hydrostatic testing of pipework and non‑conformance management.
• Review and sign off on RAMS, deliver site inductions and toolbox talks, and maintain strict site safety and environmental protocols.
• Maintain daily site logs, track mechanical installation milestones and report directly to the M&E Project Manager.

Required profile

• Proven track record supervising mechanical packages within the UK water sector under AMP frameworks.
• Gold CSCS Card (Supervisor) and EUSR National Water Hygiene Card are mandatory.
• Authorised Person (AP) certification for mechanical or pressure systems is highly desirable, as are Confined Spaces training and SSSTS/SMSTS.
• Strong working knowledge of process plant, pumps, valves, chemical dosing/bund installations and PVC/steel pipework systems.

Required skills

• Process plant systems
• Pumps and valves
• Chemical dosing and bund installations
• PVC and steel pipework
• Isometric, GA and P&ID drawing interpretation
• Pressure testing and hydrostatic testing of pipework