Instrumentation Field Service Engineer

United Utilities; Willenhall; On-site; GBP 39,000; Full time

Job summary

A leading utility company in Willenhall is looking for an Instrumentation Field Service Engineer to provide expert maintenance and support for their production team. The ideal candidate will have strong diagnostic skills and experience in electrical maintenance, ensuring the smooth operation of key assets. This role offers a mix of independent work and teamwork, requiring flexibility due to the mobile nature and out-of-hours standby requirements. A competitive salary and comprehensive benefits package are offered.

Benefits

Generous annual leave package

Competitive pension scheme

Performance-related bonus scheme

Comprehensive healthcare plan

Gym and wellness benefit

Employee Assistance Plan

Qualifications

• Proven experience in an electrical maintenance or engineering role, ideally in a field-based or utilities environment.
• Strong diagnostic and problem-solving skills across electrical systems.
• Familiarity with maintaining, calibrating, and servicing equipment in water or wastewater industries.

Responsibilities

• Deliver high-quality instrumentation maintenance and installation service.
• Diagnose and fix faults with precision.
• Carry out planned maintenance to prevent issues.

Skills

Fault-finding expertise

Team player

Health & Safety awareness

Field service experience

Education

Time served apprentice or equivalent

Job description

From sensors to systems-Engineering Reliability

The Role

Are you ready to take on a hands‑on role where no two days are the same? As an Instrumentation Field Service Engineer, you’ll play a key part in keeping our assets running smoothly by delivering expert maintenance and technical support to our Production team.

Working in a fast‑paced, modern maintenance environment, you’ll be at the forefront of proactive, planned, and reactive support—making a real impact every day. Your expertise will help ensure we stay compliant with all company, statutory, and regulatory standards, all while helping to protect the environment.

But that’s not all—you’ll also have the chance to shape the future of our operations by contributing to capital and operational projects, ensuring our assets are built with maintenance and performance in mind from day one.

This role offers a great mix of independence and teamwork. You’ll need to be comfortable working solo at times, but you’ll also collaborate closely with a supportive team when needed.

Please note:

• This role involves working in confined spaces.
• You’ll also take part in an out‑of‑hours standby rota, so flexibility is key.

Role Accountabilities

• 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 andli>
• 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 licence is 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 - £38,462
Work Type - Onsite
Job Location - North West, United Kingdom
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.