Join Mitie – the future of high‑performing places.

ROLE: Field Service Engineer 
LOCATION: Hampshire, regular travel required

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:

Applicants must meet the below defined requirements for the role:

• 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.

There's a place for you at Mitie — join us today!

Together, our diversity makes us stronger.

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