Mechanical Field Service Engineer

The Role

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.

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 ’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

This role may not be eligible for sponsorship

• 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 generous annual leave package of 26 days, which increases to 30 days after four years of service (increases one day per year), in addition to 8 bank holidays
• A competitive pension scheme with up to 14% employer contribution, 21% combined, and life cover
• Up to 7.5% performance‑related bonus scheme, as well as recognition awards for outstanding achievements
• A comprehensive healthcare plan through our company‑funded scheme
• My Gym Discounts  - gym and wellness benefit that offers up to 25% off on gym memberships and digital fitness subscriptions
• Best Doctors
• Salary Finance
• Wealth at Work courses
• Deals and discounts
• EVolve Car Scheme
• Employee Assistance Plan
• Mental health first aiders
• Share Buy
• MORE Choices flexible benefits
• Enhanced parental leave schemes

Salary - 40,232

Work Type - Onsite

Job Location - Hyndburn Wastewater Treatment Works, Mill Lane, Great Harwood, Near Blackburn, BB6 7UQ

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.

We rely on every employee to ensure our customers receive the best possible service, day in, day out. In return, we ensure that you will be well rewarded for your efforts, from an excellent salary through to development opportunities that will really kick start a thriving career here at UU.