Instrumentation Field Service Engineer

Job Description

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’ll Be Doing

• Delivering a high-quality, efficient instrumentation maintenance and installation service that keeps everything running like clockwork.
• Diagnosing and fixing faults with precision—making sure all instrumentation and systems-based equipment are operating at their best.
• Taking a proactive approach to maintenance, carrying out planned tasks to prevent issues before they arise.
• Championing safety by ensuring full compliance with Health & Safety regulations and internal policies.
• Keeping a close eye on the numbers by managing budgets effectively and maintaining financial control.
• Providing accurate, reliable asset performance and repair data to feed into our corporate systems—your insights will help drive smarter decisions.
• Tackling recurring maintenance issues head-on by analysing root causes and recommending long-term solutions.

Essential Skills & Experience

• Qualifications– you must be a time served apprentice or equivalent, supported with academic qualification(s).
• Full UK driving licenseis essential due to the mobile nature of the role.
• Field service experience– Proven experience in an electrical maintenance or engineering role, ideally in a field-based or utilities environment.
• Fault-finding expertise– Strong diagnostic and problem-solving skills across electrical systems, controls, and instrumentation.
• Knowledge of flow, level & measurable instruments– Familiarity with maintaining, calibrating and servicing equipment particularly in water, wastewater, or similar process industries.
• Health & Safety awareness– Solid understanding of safe systems of work, risk assessments, and permit-to-work systems.
• Team player– Comfortable working independently while maintaining strong communication and collaboration with on-site teams and contractors.

This role may not be eligible for visa sponsorship.

Benefits

• 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
• MyGymDiscounts - 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
• ShareBuy
• MORE Choices flexible benefits
• Enhanced parental leave schemes

About Us

Salary - £40,232
Work Type - Onsite
Job Location - Workington Wastewater Treatment Works, Maryport Road, Workington, Cumbria, CA14 1NW
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.