Instrumentation Field Service Engineer

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.

Here\\\’s how we reward your skillset:

• If you\\\’re bringing one core skill to us (Electrical/Mechanical/Instrumentation) you\\\’ll start on a salary of £38,462, but if you\\\’ve got both disciplines, you\\\’ll earn £44,320.
• One core skill—don\\\’t go anywhere ..we will support with the training. Our dedicated team of training professionals will provide you a tailored development plan to help you build your skillset and get you seen.

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 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 an NVQ Level 3 or equivalent in a relevant discipline.
• Full UK driving license 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.

About Us

Salary – £38,462
Work Type – Onsite
Job Location – Saddleworth Wastewater Treatment Works, Shaw Hall Bank Road, Greenfield, Saddleworth, Oldham, Gtr Manchester, OL3 7LD
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.