Join Mitie - the future of high‑performing places.
ROLE
Field Service Engineer
LOCATION
Midlands or Waterlooville.
At Mitie, our people are our greatest strength, and our promise is to create a place to work where you can thrive and be your best every day. We’re looking for a Service & Commissioning Engineer who will support our growing wastewater engineering operations by delivering high‑quality installation, servicing, commissioning and optimisation of treatment equipment across multiple UK sites.
Role Responsibilities
* Commission wastewater treatment systems including tertiary filtration, SAF units, lamella settlers, dosing systems, and associated pump stations.
* Service and maintain mechanical and electrical equipment across a variety of operational treatment sites.
* Diagnose and fault‑find on pumps, blowers, control panels, and wider process equipment.
* Complete planned preventative maintenance (PPM) visits to ensure optimum performance and system reliability.
* Support installations and upgrades of both hire and permanent wastewater treatment systems.
* Read, understand, and interpret P&IDs, wiring diagrams, and technical drawings.
* Produce accurate site documentation including RAMS, service reports, and commissioning sheets.
* Follow all relevant health & safety legislation and internal company procedures.
* Liaise professionally with site operators, contractors, and project managers.
* Provide operational feedback to the Service Manager regarding recurring issues or improvement opportunities.
Required Qualifications
* Strong work ethic, reliability, and a proactive, solution‑focused approach.
* Good communication skills with the ability to work independently and manage workload effectively.
* Safety‑conscious and fully compliant with H&S expectations.
* Professional, presentable and confident in client‑facing environments.
* Keen to develop technical knowledge and skillset, with willingness to work away from home.
What’s in it for you?
* Virtual GP service available for you and your household.
* Financial wellbeing support through Salary Finance, including access to earned pay and competitive loan options.
* Flexible lifestyle benefits through our Choices platform, including the ability to purchase up to five additional holiday days, access dental care, critical illness cover, and tech purchase schemes.
* Discounts across thousands of major retailers, gyms, and high‑street brands via MiDeals.
* Cycle‑to‑work scheme, life cover up to four times salary, enhanced pension contributions, save‑as‑you‑earn scheme, and our Mitie Matching Share Plan.
* Recognition through the Mitie Stars programme with monthly cash awards and an annual top prize of £10,000.
* Access to extensive learning resources and development pathways to support your long‑term career growth.
We are an accredited Real Living Wage Employer. This means every role at Mitie is paid at or above the independently calculated Real Living Wage, reflecting our commitment to fair pay and responsible employment.
Together, our diversity makes us stronger.
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