Operational Technology; OT Engineer

Powered by Water, Driven by Purpose

South West Water keeps the South West flowing with safe, reliable drinking water and wastewater services across some of the UK’s most stunning landscapes.

We’re proud to be part of Pennon Group, a leader in the UK water sector, working towards a greener future. Our goals include lowering our carbon footprint, planting 300,000 trees, restoring peatlands and supporting farmers and landowners to improve water quality and wildlife.

Whether you’re starting out or seeking a new challenge, our scale and ambition create opportunities for you to shape your own career.

Ready to make a splash? Join our team today.

• Hands‑On OT Engineering:
  From PLCs and SCADA systems to industrial communications and instrumentation – you’ll manage it all! Design, install, configure, and maintain OT systems that power our essential water and wastewater operations.
• Resilient and Secure Systems:
  Be at the forefront of ensuring our OT infrastructure is compliant, secure, and built to last – supporting water and wastewater services that keep our communities flowing.
• Collaboration Across Teams:
  Work closely with operational teams, IT, and third‑party contractors to ensure smooth project delivery, from capital investment to day‑to‑day operational support.
• Continuous Improvement:
  From diagnostics to optimising control strategies, you’ll be helping us streamline our systems to ensure top‑tier performance.

• Proven experience in OT systems, including PLCs, SCADA, HMI, telemetry, and industrial communications networks.
• Experience in operational support, fault diagnosis, and system recovery in live environments.
• An eye for detail, a passion for safety, and a commitment to regulatory compliance – including cyber security, health, and safety standards.

• Exciting Challenges:
  Every day brings a new technical challenge, from solving complex issues in live OT systems to improving overall service delivery.
• A Career That Grows with You:
  Develop your skills and progress through structured training and continuous professional development.
• Making a Real Impact:
  Play a crucial role in delivering resilient and safe water and wastewater services to the South West.

• Competitive Salary – Based on experience and skills
• Annual Bonus Scheme – Recognising company performance
• Pension Scheme – Helping you plan for your future
• Flexible Working Options – We value work‑life balance and offer flexible hours and hybrid working where possible
• Healthcare Benefits – Access to employee assistance programs
• Employee Discounts – On various products and services
• Annual Leave – Take time to recharge with our holiday entitlement

Closing Date: 31st July 2026

Please note that the successful candidate will be subject to a mandatory DBS check as part of the onboarding process.

Given the critical nature of this role, successful candidates will be required to undergo a thorough security vetting process.