Drainage Operative - Sewer Depth Monitoring
Purpose and scope of the role
You will install, commission and maintain sewer depth monitors, flow-survey sensors and associated telemetry across the local wastewater network. Working in permanent two-person teams, you will complete site assessments, routine calibrations, fault diagnosis and digital job-sheet reporting.
Training is provided; health and safety and confined-space procedures are integral to daily operations.
Your impact in this position
In the short term you will deliver reliable installations and accurate survey data that support operational decision‑making. Over the medium term you will develop technical troubleshooting, telemetry and commissioning skills, taking responsibility for increasingly complex sites. Longer term the role offers career progression into team leadership, field supervision or instrumentation and telemetry specialist roles within Tetra Tech, with access to formal training and on‑the‑job development.
Core capabilities required for success
Technical installation and maintenance
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Proven ability to install, configure and maintain sensor and telemetry equipment; carry out calibrations and routine checks to meet project targets.
Health, safety and confined‑space competence
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Strong awareness of site safety, safe systems of work and confined‑space protocols; able to perform risk assessments and work safely with manhole covers and at height.
Fault diagnosis and problem solving
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Ability to identify and resolve issues with sensors, telemetry and power supplies on site, escalating complex faults to engineers or project managers.
Communication and reporting
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Clear verbal and written skills to complete digital job sheets, communicate with project teams and liaise professionally with clients.
Physical resilience and teamwork
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Physically fit and willing to work outdoors in all weather; works effectively in a two‑person team to meet deadlines and project objectives.
Qualifications and training
Expected: full manual driving licence; basic IT literacy; demonstrable experience or interest in wastewater, utilities or field instrumentation. Training in telemetry, confined‑space entry and specific equipment will be provided.
Desirable: confined‑space certification, previous flow‑survey experience and basic electrical or telemetry training.
Work patterns & location
This is a 40‑hour, Monday–Friday role based in Brentford with occasional night shifts and periods away as project needs dictate. Expect primarily on‑site work; office or admin days are occasional for reporting and team meetings.
Why join Tetra Tech?
Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity.
We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.
In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role. #LI-JP1 #AS&I
