Mechanical Field Service Engineer

Job number UU04994 Country United Kingdom Region Lancashire Location name Lancaster Wastewater Treatment Works, Old Aldcliffe Lane, Stodday, Lancaster, Lancashire, LA2 0AG
Posting End Date 10/03/2026 Band 6a Role Type Permanent Work hours 37 Hours per Week Salary £38,462

Ready to Get Stuck In? Bring Your Skills, Build Your Future...

Salary - £38,462
Work Type - Onsite
Job Location - Lancaster Wastewater Treatment Works, Old Aldcliffe Lane, Stodday, Lancaster, Lancashire, LA2 0AG

Role Type - Permanent
Employment Type - Full Time
Working Hours - 37.0 Hours per Week

Whether you’re skilled in a single discipline or bring a dual skillset to the table, this is your opportunity to make an impact-and grow while you’re doing it.

We’re looking for a motivated and hands‑on professional to join our Lancaster Wastewater Treatment Works, where you’ll be part of a modern, fast‑paced maintenance environment focused on keeping critical water assets running smoothly.

This role starts as a single‑skill position, but there’s real scope to expand into a multi‑skilled role through our on‑the‑job development and support. If you already have that secondary skill—even better. Show us what you’ve got!

You’ll be delivering proactive planned and reactive support across your area of expertise while helping us stay compliant with all statutory, regulatory, and environmental standards. There’s also the chance to get involved in shaping capital and operational projects, ensuring our assets are not just functional—but future ready.

Due to the nature of the role, you’ll need to be comfortable working alone at times, as well as part of a wider, collaborative team. You’ll also be required to work in confined spaces and take part in our standby rota.

• Implement an efficient Mechanical maintenance service.
• Analyse faults, rectify and ensure correct mechanical and systems‑based equipment.
• Perform planning and proactive maintenance activities.
• Ensure compliance with all Health & Safety regulations and internal company policies.
• Maintain required financial control of a pre‑defined budgets.
• Provide reliable, accurate and complete asset performance and repair information for entry into corporate systems.
• Analyse and recommend solutions to recurring maintenance problems.

• A full UK driving license is essential, as you’ll be travelling between local sites using a fully equipped company vehicle-complete with the tools and technology you need to get the job done efficiently.
• Time‑served apprentice or an NVQ Level 3 (or equivalent) in a Mechanical discipline.
• Industry experience in a relevant maintenance, instrumentation or engineering environment
• Strong diagnostic, organisational and planning skills.
• You’ll be working hands‑on with mechanical assets including pumps, gearboxes, valves, and rotating machinery—keeping our wastewater treatment operations running efficiently.
• Ability and willingness to diversify into specialist areas of maintenance as needed.

• 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

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,…