Mechanical Field Service Engineer

Whether you’re a skilled mechanical engineer or looking to broaden your expertise into a multi‑skilled role, this is an opportunity to do meaningful work while developing your career.

We’re looking for a hands‑on Mechanical Field Service Engineer to join our team at Southport Wastewater Treatment Works. You’ll work in a modern, fast‑paced maintenance environment, helping to keep critical Wastewater assets operating safely, efficiently, and in full regulatory compliance.

The role starts with a core mechanical focus, with clear scope to develop additional skills through structured on‑the‑job training and support. If you already bring secondary skills, we’ll value and build on them.

Deliver planned and reactive mechanical maintenance across wastewater assets.

Diagnose faults, carry out effective repairs, and return equipment safely to service.

Maintain and improve asset reliability through proactive maintenance and root‑cause analysis.

Ensure all work complies with Health & Safety legislation, environmental standards, and company policies.

Accurately record asset performance, defects, and repair data within corporate systems.

Contribute to continuous improvement initiatives and support capital and operational projects.

Manage maintenance activities within agreed budgets where applicable.

Work independently when required, while remaining an active and collaborative team member.

Take part in the on‑call standby rota and work in confined spaces when necessary.

A full UK driving licence (a fully equipped company vehicle is provided for travel between sites).

Time‑served apprenticeship or NVQ Level 3 (or equivalent) in a mechanical discipline.

Relevant industry experience within mechanical maintenance, engineering, or industrial environments.

Strong fault‑finding, planning, and organisational skills.

Hands‑on experience with mechanical assets such as pumps, gearboxes, valves, and rotating machinery.

A willingness to develop additional skills and support a multi‑skilled maintenance approach.

A secure role supporting essential Wastewater infrastructure.

Structured training and development, with opportunities to become multi‑skilled.

Company vehicle, tools, and technology to do your job safely and efficiently.

A supportive team culture with clear expectations and professional standards.

A competitive pay and benefits package, including standby/overtime arrangements and pension.

You’ll be working on critical assets that protect the environment and serve local communities — with real opportunities to grow your skills, increase your technical value, and build a long ‑ term career in the water industry.

If you’re a capable mechanical engineer who wants responsibility, development, and meaningful work, we’d like to hear from you. Your Application

Please make sure your CV clearly highlights your qualifications and relevant experience. If shortlisted, interviews are planned for the week commencing 9 November, so please keep this period free where possible.

Healthcare plan

Free mental health support and wellbeing tools

Life assurance

Full training and support, including specialist mechanical training

Opportunities to diversify into specialist areas (e.g., chlorine gas systems)

A clear development pathway to upskill into a Flexi Skilled Engineer, giving you broader technical capability across multiple disciplines and increasing your future progression opportunities.

Career progression across engineering, operations and project delivery

Salary - £40232 Work Type - Onsite Job Location - Southport Wastewater Treatment Works, Coastal Road, Crossens, Southport, Merseyside, PR9 9YL Role Type - Permanent Employment Type - Full Time Working Hours - 37.0 Hours per Week

United Utilities’ (UU) purpose is to deliver great water for a stronger, greener and healthier North West of England. We are committed to providing our services in a way that respects the environment, supports the economy, and benefits society.

We value diversity, inclusion and innovation in our workplace, and we foster a culture where our people can grow, excel, and be themselves.

We uphold our ethics, values and business model to fulfil our mission and, by setting clear goals and objectives, we create sustainable long-term value for our colleagues, customers and communities. Whether you work with a team that shares your vision or join a network of peers with similar interests, you will find a welcoming and supportive organisation to be part of.

We’ve got a lot to offer. You’ll be part of a thriving FTSE 100 company and will enjoy a range of core benefits that reflect your value and value contribution.