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United Utilities

Instrumentation Field Service Engineer

Location flexibility:  3 office days / week – 3 days in the office, 2 days from home
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Job Description

Salary - £40,232
Work Type - Onsite
Job Location - Prescot Water Treatment Works, Prescot Bypass, Prescot, Merseyside, L34 1ZZ
Role Type - Permanent
Employment Type - Full Time
Working Hours - 37.0 Hours per Week

The Role:

As an Instrumentation Field Service Engineer, you’ll play a key role in keeping our operational sites running safely, efficiently, and reliably. You’ll be out in the field diagnosing faults, carrying out planned maintenance, and ensuring our instrumentation and control equipment performs exactly as it should.

You’ll work closely with process, operations and engineering teams to keep critical assets online and to support continuous improvement across our network. This is a hands‑on role where no two days look the same — perfect for someone who enjoys problem‑solving, autonomy, and working in varied environments.

What You Will Be Doing:

  • Fault‑finding, repairing and calibrating instrumentation including flow, pressure, level and analytical equipment
  • Completing reactive and planned maintenance across the Crewe region
  • Supporting installations, upgrades and project teams with technical expertise
  • Providing high‑quality digital work records and documentation
  • Working safely and professionally across all sites

What We Are Looking For:

  • Level 3 qualification (or equivalent experience) in Instrumentation, Electrical, Control or Mechatronics
  • Strong diagnostic and problem‑solving skills
  • Experience working with industrial/process instrumentation or similar
  • Ability to read technical drawings, manuals and P&IDs
  • Full UK driving licence
  • A proactive, independent working style

What Makes Being a UU FSE Great!

🚐 Company Van (Fully Equipped + Take-Home)

A dedicated company van fitted with the tools and equipment you need — and yes, you take it home. That means:

  • No commuting in your own vehicle
  • No mileage to claim back
  • Your van becomes your mobile workspace

This alone is one of the most valued benefits by field engineers

🗓 Freedom & Flexibility

You manage your own day, your own sites, and your own schedule within the planned work — giving you autonomy and variety rarely found in site‑based roles.

🌍 Local Patch in and around Prescot

Being based in Prescot means you're well positioned to cover:

  • St Helens, Rainhill, Whiston
  • Huyton, Kirkby & Knowsley
  • Widnes, Warrington & Runcorn

Minimal travel = more efficiency and less time on the road.

About UU

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.

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Working at United Utilities

3 office days / week – 3 days in the office, 2 days from home

A little flex time

Company benefits

26 days annual leave + bank holidays
Annual bonus – Bonus levels vary depending on your role grade
Buy or sell annual leave – Buy or sell up to 5 days per year
Death in service – covered for 4 times pensionable earnings
Cinema discounts
Employee recognition scheme – Colleague led recognition scheme with monthly winners
Cycle to work scheme
Dental coverage
Collaboration spaces
Electric Car Salary Sacrifice
Employee assistance programme
Enhanced maternity leave – Up to 26 weeks leave at full pay
Enhanced pension match/contribution – Up to 21% combined contributions
Enhanced sick days
Ergonomic workstations
Faith rooms
Family health insurance
Further education support – Ongoing learning opportunities through apprenticeships and vocational training
Gym membership – On-site gym at our head office & discounts on local gyms for those not based there
Health cash plan
Health insurance
In house training
Mental health days – 1 wellbeing day per year (in addition to annual leave)
Mental health first aiders
Compassionate leave
Enhanced paternity leave – Up to 4 weeks leave at full pay
Mental health platform access – Offering mental health consultations, health checks, digital fitness resources, and wellbeing support.
On-site gym
Open to compressed hours
Open to part time work for some roles
Adoption leave
Private GP service – via our virtual GP - available to you and your loved ones
Professional subscriptions
Referral bonus – of £500
Neonatal leave
Reservist leave – Reservists/Army Reserve with 6 months service are entitled to 10 days paid leave per year to attend the annual training camp.
Restaurant discounts
Secure on-site parking
Sensory-Friendly Setup
Shared parental leave
Will writing
Carer’s leave
On-site childcare – Only at our head office
Income protection
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Company employees:

7,500

Gender diversity (m:f):

65:35

Hiring in countries

United Kingdom

Office Locations