Senior Technician - Waste Water Treatment

Senior Technician – Waste Water Treatment

Based in Esher, this full-time Senior Technician - Waste Water Treatment role with Pertemps Thames Water carries a salary from £35,000, dependent on experience. You will oversee monitoring, maintenance, and repair across three sites, handling routine operational tasks and cleaning. Process optimisation for efficiency and compliance is central, alongside SCADA system oversight and computerised record-keeping. You will proactively resolve failures, manage asset faults directly or through escalation, and support junior colleagues’ development.

This position suits a hands-on professional with strong technical aptitude and leadership qualities, capable of working independently across multiple locations. The role demands a systematic approach to reporting and a commitment to maintaining high operational standards. As a senior member of the team, you will conduct a full range of monitoring, maintenance, operations and repair work across three sites on the wastewater treatment assets.

This will include routine operational maintenance and cleaning tasks; maintaining a variety of records and reports related to wastewater system operations and operate computers for process control; and monitoring the SCADA system. You will optimise processes to maximise efficiency and compliance.

Taking the initiative to resolve process failures and manage asset maintenance and faults: directly or via escalation. As a senior member of the team, you will also be expected to support and develop other team members.

What you’ll be doing as a Senior Technician – Waste Water Treatment Take responsibility for three operating sites in line with environmental permits to protect the environment; general maintenance of equipment and site, taking effluent samples to monitor and improve biological performance. Undertaking both reactive and planned maintenance, responding to alarms and fault finding to identify issues, fix these or elevate, planned maintenance of plant and equipment daily.

Record work and asset information to improve business performance, along with identifying possible future risks and recommending changes in the course of your day-to-day work, and to raise these for resolution as required. To make sure the health, safety and wellbeing of myself, colleagues, contractors, and visitors is always my top priority by displaying the correct behaviours at all times.

To deliver an excellent customer experience and positively contribute to overall customer satisfaction. Interacting with all of our customers (internal & external) in a timely, professional, efficient, respectful and polite manner. Working collaboratively with business units/departments across the business to identify improvement opportunities, providing constructive feedback with evidenced examples, with suggestions for improvement.

Base location – Esher Sewage Treatment Works, with hybrid working at two other sites, Leatherhead and Weybridge. Working hours – 36 hours Monday to Friday, with a 6-weekly on-call rota. Salary – From £35,000 depending on skills and experience + additional payments for the 6-weekly on-call rota. Van – You will be provided with a company van.

To thrive in this role, the essential criteria you’ll need are:
Team player who can work in many different teams, showing respect for others, providing helpful feedback and supporting the development of others. Experience of water compliance, testing and consents. Builds and always maintains effective internal and external relationships to a high standard – acts as a role model. Ability to influence and drive the right culture and behaviours. A positive approach to handling changes, embracing all nature of change including technology, process, behavioural and organisational change.

IT literate. Full UK driving licence Additional skills and experiences would be great to have/bring:
Experience of delivering against challenging upper quartile business targets and performance commitments. Team leadership experience would be great to have. Previous experience in the water industry Demonstrate excellent customer service both…