United Infrastructure Ltd
Mechanical Fitter
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As part of the United Infrastructure Group, we are a dynamic and innovative specialist engineering services, solutions and products provider focused on servicing our clients’ immediate and future needs. We do this through the development of industry-changing cleantech products as well as through engineering delivery excellence.
We specialise in the design and delivery of process, mechanical, electrical and ICA engineering-based projects, products and solutions. Regardless of the project, they all pursue the same goal: to improve the efficiency and sustainability of our water, wastewater and waste treatment.
We have a team of highly skilled and experienced professionals with extensive consulting and contracting experience, including engineers, scientists and commercial managers. Our knowledge and expertise spans more than 30 years, across industries including: water, wastewater, marine, energy and power sectors. At AFECO, we cover all stages of the innovation and project delivery cycle from concept through to operations.
Our aim is simple – to provide the most effective solutions and products on the market and thus, exceed clients expectations through market-leading technology. From technical through to commercial and management expertise, we have the in-house expertise to execute a range of projects from the most basic to highly complex.
Job title | Mechanical Fitter
Location | Travel within Norfolk/Suffolk
About Us
AFECO is an engineering services provider, delivering high quality process and MEICA design and installation projects across the UK for the water industry. We have excellent inhouse engineering teams capable of delivering all stages of the project cycle, from concept through to commissioning, with a strong focus on process led innovative and robust yet appropriate solutions.
We have a portfolio of varied projects covering both wastewater and clean water projects for planned and reactive projects.
Due to the expansion of our team, we are currently recruiting for Mechanical Fitters to work within our multi-disciplinary teams. This is a great opportunity for enthusiastic individuals who fit in with our company values and are keen to develop in a forward-thinking organisation.
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Role overview
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.
Key Responsibilities
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.
Required Skills & Competencies
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).
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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.
Essential
Qualifications & Experience
- 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).
Desirable
- Experience within the water or wastewater industry specifically.
- Water hygiene card (EUSR).
- IOSH Working Safely or similar safety qualification.
- Welding or fabrication skills.
Working Conditions
- 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.
Salary and Benefits
- Company Van
- Medicash plan
- Life insurance
- Benefits portal
- Company pension
- 26 days holiday (plus bank holidays)
At AFECO, we value our employee’s and encourage and support them to development themselves and their career through training and progression. We offer the opportunity to work on a range of project types and size in the water sector including our own internally developed products and solutions. We are a privately owned business with a friendly and open culture and are dedicated to creating and maintaining and workforce that is highly skilled and motivated. As a Company we are committed to equal opportunities for all and do not discriminate on the grounds of race, religion or belief, sexual orientation, gender reassignment, marital or civil partner status, sex, disability or age.
Join us at AFECO and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK.
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