Mechanical Fitter

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As a Mechanical Fitter you will carry out planned, preventative, and reactive mechanical maintenance across water and wastewater treatment assets. The role ensures the reliability, performance, and regulatory compliance of equipment used in the abstraction, treatment, distribution, and discharge of water.

Mechanical Maintenance & Repairs

• Perform routine PPM (Planned Preventative Maintenance) on pumps, valves, gearboxes, motors, screens, clarifiers, and associated plant.
• Respond promptly to breakdowns, diagnose mechanical faults, and carry out corrective actions to minimise downtime.
• Install, overhaul, and commission mechanical equipment in line with specifications and industry standards.
• Conduct pipework repairs including flanged, threaded, and welded systems.

Health, Safety & Compliance

• Work to site safety rules, including permit‑to‑work, confined space entry, and lock‑out/tag‑out procedures.
• Ensure maintenance tasks align with water industry regulatory standards (e.g., DWI, EA, OFWAT where relevant).
• Maintain high housekeeping and hygiene standards, especially in potable water environments.

Operational Support

• Support engineers and operations teams with asset optimisation and equipment upgrades.
• Assist in shutdowns, plant outages, and installation projects.
• Keep accurate maintenance records using Total mobile/asset management systems.

Continuous Improvement

• Identify opportunities to improve asset reliability and performance.
• Provide feedback on recurring failures and assist in root‑cause analysis.
• Support implementation of reliability‑centred maintenance practices.

Technical Skills

• Strong mechanical fault‑finding and problem‑solving ability.
• Ability to read technical drawings, P&IDs, and OEM documentation.
• Skilled in maintaining rotating machinery (pumps, blowers, mixers, compressors).
• Experience with mechanical seals, bearings, alignment, and coupling systems.
• Knowledge of water/wastewater treatment processes (preferred).

Personal Attributes

• Good communication and teamwork, working alongside operators, engineers, and contractors.
• Ability to prioritise work, especially during breakdowns.
• Strong safety awareness and compliance‑led mindset.

• Recognised mechanical engineering qualification (NVQ Level 3 / City & Guilds / apprenticeship or equivalent).
• Proven experience as a Mechanical Fitter or Maintenance Technician.
• Experience in an industrial, utilities, or process‑plant environment.
• Confined space training (NC1/NC2).

• Experience with in the water or wastewater industry specifically.
• Water hygiene card (EUSR).
• IOSH Working Safely or similar safety qualification.
• Welding or fabrication skills.

• Based at treatment works, pumping stations, or regional sites.
• Includes site visits, climbing ladders, confined space areas (with training).
• Participation in standby/rota call‑out system may be required.
• Outdoor work in varying weather conditions.

• Career development – from the moment you join, you’ll be supported to develop, grow your skill set and progress your career the way you want.
• Cultivate – access to our idea and innovation platform, empowering you to drive positive business change.
• Cycle to work scheme
• Discounts – access to our leisure and shopping discounts and rewards platform.
• Employee networks – opportunity to join our organisation wide employee networks such as our Veteran’s network, Women’s network, and Young People’s network which is dedicated to supporting and retaining employees in the early stages of their careers.
• Health and Wellbeing Support – access to our employee programme which includes access to a virtual GP and Dentist, mental health support and counselling, fitness and nutrition, and financial and legal advice.
• Health Cash Plan
• Holiday purchase scheme
• Payroll Giving – the opportunity to donate regularly from your gross pay to support charities of your choice.
• Pension – you will be eligible to join our pension scheme which we will also contribute to.
• Personal Support Network – you will receive a dedicated buddy and mentor and will join an early careers community of peers that will support you forward every step of the way.
• Reward and Award Schemes – access to our long service awards and above and beyond rewards.
• Social Value – you will be encouraged to support social impact activities each year to support charities and local community organisations.

• Seniority level:
  Entry level
• Employment type:
  
  Full‑time
• Job function:
  Engineering and Information Technology
• Industries:
  Construction

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