Waste Site SCADA Systems Engineer

Thames Water; Guildford; Hybrid; GBP 37,000 - 62,000; Full time

Benefits offered by this job

Car Allowance

Annual Leave

Pension

Health and wellbeing benefits

Job summary

Thames Water is seeking a Waste Site SCADA Systems Engineer to maintain and enhance site SCADA across our wastewater operations. You will ensure high system availability, support upgrades and security, and mentor colleagues in OT best practices.

You will work hybrid, collaborating with operations teams and capital projects to deliver reliable, secure OT solutions for treatment works and pumping stations. This role demands proactive problem solving and a strong OT mindset.

Qualifications

• Experience in SCADA/industrial automation environments.
• Experience with OT networking and PLC systems.
• Ability to troubleshoot critical operational systems and translate issues for operations teams.

Responsibilities

• Maintain and enhance site-based SCADA systems across wastewater operations.
• Support upgrades, patches and security improvements for SCADA and HMIs.
• Troubleshoot faults in SCADA, HMIs, PLCs and communications.
• Support disaster recovery planning and business continuity.
• Mentor colleagues and share OT knowledge with the wider team.

Skills

SCADA systems

Industrial automation

Allen-Bradley PLC

OT networking

Troubleshooting

Stakeholder liaison

Tools

AVEVA System Platform

Wonderware

FactoryTalk View

Iconics

Job description

What you'll be doing

As a Waste Site SCADA Systems Engineer, you'll be responsible for maintaining and enhancing site-based SCADA systems across our wastewater operations estate. These systems provide critical monitoring, control and operational insight across treatment works and pumping stations.

• Support and maintain critical SCADA platforms including AVEVA System Platform/Wonderware, FactoryTalk View and Iconics.
• Ensure high levels of system availability, resilience and security across operational sites.
• Troubleshoot and resolve faults involving SCADA systems, HMIs, PLCs and communications infrastructure.
• Deliver upgrades, patches and improvements that keep systems secure and reliable.
• Support disaster recovery planning and business continuity arrangements.
• Work closely with operations teams to understand challenges and identify opportunities for improvement.
• Provide technical input into capital delivery and OT improvement projects.
• Champion OT change management, risk management and cybersecurity best practice.
• Act as a subject matter expert, sharing knowledge and mentoring colleagues across the wider OT community.

Why join Thames Water?

This is an opportunity to work at a scale that very few organisations can offer.

You’ll be joining a team responsible for supporting operational technology that directly impacts millions of customers and some of the UK's most critical infrastructure. You’ll help deliver the next generation of OT capability while developing your own expertise in a highly visible and influential role.

You'll benefit from:

• Exposure to large-scale SCADA, automation and OT environments.
• Involvement in major infrastructure and digital transformation programmes.
• Opportunities to develop specialist expertise in Operational Technology and industrial cybersecurity.
• Hybrid working that supports work-life balance.
• A collaborative team environment where innovation and continuous improvement are encouraged.
• The chance to make a real difference to environmental performance and customer outcomes

Base location: Hybrid – Guilford

Working pattern: 36 hours Monday to Friday, with participation in an on-call rota

What we're looking for

We're interested in talented engineers who are passionate about Operational Technology and enjoy solving complex technical challenges.

You’ll ideally have experience in:

• SCADA, PLC, ICA or industrial automation environments.
• AVEVA System Platform/Wonderware, FactoryTalk View, Iconics or similar technologies.
• Allen-Bradley PLC systems.
• Industrial communications and OT networking.
• Troubleshooting critical operational systems.
• Working with operational stakeholders and translating technical issues into practical solutions.

You’ll stand out if you also have:

• Experience within water, utilities, manufacturing, energy or other process industries.
• Experience supporting industrial control system projects or major system upgrades.
• Understanding of network design, redundancy and resilience technologies.

What’s in it for you?

• Competitive salary: Competitive salary up to £62,000 per annum.
• Car Allowance: £4,500.
• Annual Leave: 26 days holiday per year, increasing to 30 with the length of service. (plus bank holidays).
• Performance‑related pay plan directly linked to company performance measures and targets.
• Generous Pension Scheme through AON.
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

Who are we?

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job, and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Learn more about our purpose and values

Working at Thames Water

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.

Real purpose, real support, real opportunities.

We’re committed to being a great, diverse, and inclusive place to work.

We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process.

If you need any adjustments, whether that’s extra time, accessible formats, or anything else, just let us know.

We’re here to help and support.

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.