via reed · 1 June 2026 ·4 days ago

Mechanical Site Manager

Randstad Construction & Property
Windsor Contract GBP 104,000 – 117,000
30 jobs in Windsor — and more nearby.
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Mechanical Site Manager Location: Windsor

Rate: £400 - £450 per day

Start: ASAP

Duration: Long-term project

Project Overview We are looking for a Mechanical Site Manager to lead an upgrade project on a water treatment plant in Windsor. This is a long-term contract focusing on the installation and delivery of mechanical pumping stations.

We need an established manager from a strong mechanical engineering background who can take full ownership of the mechanical packages, manage the site safely, and drive subcontractor performance from day one.

Key Responsibilities • Site Leadership: Take full operational responsibility for the mechanical delivery, managing the day-to-day program on the water treatment plant.

  • Subcontractor Management: Lead, coordinate, and hold accountable the mechanical subcontractors on site to ensure milestones are met.

  • Installation Oversight: Manage the delivery and installation of mechanical pumping stations, heavy pipework, and associated plant.

  • Health & Safety: Enforce site safety rules, review and implement RAMS, and maintain a safe working environment.

  • Progress Reporting: Keep the project on track against the main schedule, managing technical issues and client updates as required.

Requirements • Technical Background: Solid mechanical engineering background with proven experience managing water treatment plants or water assets.
  • Pumping Stations: Extensive track record delivering mechanical pumping stations and complex pipework installations.

  • Management Experience: Proven ability to run a site, manage multi-disciplinary subcontractors, and solve technical engineering problems.

  • Certifications: SMSTS, relevant CSCS Card (Black/Gold preferred), EUSR and First Aid.

Contract Details • Payment Options: LTD or PAYE models available.
  • Timeline: Immediate start available with long-term stability.

If you are interested in this role please apply or reach out directly for more information.

Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We encourage and welcome applications from all sections of society and are more than happy to discuss reasonable adjustments and/or additional arrangements as required to support your application.

Candidates must be eligible to live and work in the UK.

For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

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