Site Manager - Wastewater Treatment Works
Location: Llanbrynmair
Rate: £400 per day (CIS)
Duration: 9 months
Sector: Wastewater Treatment
Welsh Water is seeking an experienced Site Manager with a proven track record in wastewater treatment projects to oversee the delivery of a key AMP7 upgrade at Llanbrynmair Wastewater Treatment Works.
This is a technically demanding and high-profile scheme focused on improving process performance, environmental compliance, and operational resilience. The role requires a manager with a strong understanding of wastewater infrastructure, live asset management, and safe site delivery in process environments.

Key Responsibilities
·Take overall responsibility for the safe, efficient, and high-quality delivery of all site activities.
·Lead site health, safety, and environmental management, including the preparation and control of RAMS, permits to work, confined space operations, and isolations on live assets.
·Conduct daily site briefings and toolbox talks to ensure full awareness of safety protocols and operational risks.
·Coordinate all on-site activities, managing subcontractors and direct labour to achieve programme, quality, and cost targets.
·Work closely with engineering, project management, and commissioning teams to ensure seamless integration of all works.
·Oversee progress reporting, quality assurance, and technical compliance with client and design requirements.
·Manage resource planning and procurement in alignment with project delivery schedules.
·Drive collaboration across site and client teams to promote safe, efficient, and sustainable project outcomes.
·Encourage innovation and continuous improvement in delivery methods and site performance.

Skills & Experience
·Strong background managing wastewater treatment or water process projects, ideally for Welsh Water or other UK Water Authorities.
·Proven experience as a Site Manager or Site Agent overseeing live operational sites with complex process interfaces.
·Relevant qualification in Engineering or Construction Management (HNC/Degree preferred).
·Valid SMSTS, CSCS (Black Card minimum), and Site Environmental Awareness certifications.
·Demonstrated experience managing RAMS, permits, confined spaces, and isolations on live operational assets.