Water Technician - Level 3 in London

On-site in London·Full-time·Added yesterday (last checked 9 Nov)

Mitie

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Our summary

Work mode: On-site, London
Contract: Full-time
Closing date: Apply by Wednesday 9 December

Skills

Mitie is hiring for this role in several places. This vacancy is in London.

Requirements

What we're looking for

Experience across Level 1 & 2 Water Technician competencies
Proven skills in either:
- Technical water services (closed systems, cooling towers, boiler water treatment), or
- Plumbing and water treatment remedials
Strong analytical, problem-solving, and reporting skills
Ability to interpret technical data and make informed recommendations
Experience supporting or mentoring junior team members
Full UK Driving Licence

Nice to have

Advanced knowledge of water treatment and hygiene standards
Ability to manage multiple tasks across different technical disciplines
Strong communication and client-facing skills
Highly organised with excellent attention to detail
Team player with the ability to work independently when required

Pay & benefits

What you'll get

Competitive salary aligned to your experience and capability
Opportunity to join a leading environmental services provider within the Mitie Group
Exposure to a wide range of technical work across multiple disciplines
Ongoing training, development, and career progression opportunities

There's a place for you at Mitie. Join us today.

The successful candidate will be subject to an enhanced DBS check and satisfactory references.

The role

Title: Water Technician - Level 3
Location: London

At Marlowe (a Part of Mitie), our people are our greatest strength, and our promise is to create a place where you can thrive and be your best every day. We are looking for a Water Technician to support the operation, maintenance, and monitoring of water treatment systems, ensuring compliance and safety across our client sites.

This is a varied and technical role, suited to an experienced technician with strong analytical skills and the ability to work across multiple water treatment disciplines.

What you'll do

Complete allocated work within agreed timescales, ensuring all documentation is accurately recorded and submitted in real time
Ensure all equipment is safe, fit for purpose, and used in line with company procedures and audit requirements (maximum one audit failure per year)
Carry out a range of water treatment tasks including testing, inspections, analysis, and remedial works
Interpret results and provide recommendations to maintain compliance and system performance
Support wider business operations, including mentoring junior technicians and identifying development opportunities
Conduct specialist tasks such as secondary disinfection testing, BSRIA sampling, closed system analysis, and plumbing remedial works

How you'll work

Hours: 40 hours per week

About Mitie

Mitie serves more than 3,000 customers across the public and private sectors, from banks and retailers to hospitals, schools and critical government strategic assets, and reported £5.6bn revenue in FY26 with 77,500 people.

The company takes care of its customers' people and buildings by delivering core services and deploying advanced technology, and it also publishes insights such as its Net Zero Navigator and ESG reporting, having operated at net zero for Scope 1 and 2 emissions by the end of FY25 under its Plan Zero programme.

Industry: Facilities management
Employees: 77,500
In the UK: Glasgow

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