Job Description

We are seeking an Operational Technology (OT) Solutions Engineer to design, deliver, and support high-quality OT solutions that meet operational, regulatory, and business needs. Reporting to the OT Engineering Solutions Lead, you will contribute your technical expertise to the development and deployment of integrated OT solutions across Thames Water's operational estate.
You will work collaboratively with internal teams, external partners, and suppliers to ensure that all solutions align with Thames Water's technical roadmap, standards, and long-term strategic goals. Your role will help drive continuous improvement, innovation, and future readiness within our operational technology landscape.
What you will be doing as an OT Engineering Solutions Engineer
Solution Design & Delivery

• Support the design and deployment of OT solutions across Thames Water's operational assets.
• Ensure solutions meet security, performance, and regulatory requirements.
• Develop detailed technical documentation, including specifications, drawings, and reports, to support solution deployment and ongoing operation.
• Contribute to the testing and validation of OT systems to ensure design integrity and business alignment.

Continuous Improvement & Innovation

• Identify and support initiatives that enhance the performance, resilience, and scalability of OT systems.
• Maintain technical knowledge of OT tools, systems, and best practices, applying new insights to improve delivery outcomes.
• Support the adoption of emerging OT technologies and methodologies.

Strategic & Regulatory Alignment

• Support AMP8 delivery by ensuring the timely design, approval, and deployment of OT solutions.
• Contribute to AMP9 planning and the OT PR29 submission.
• Ensure all OT activities align with Thames Water's strategic, technical, and regulatory frameworks.

Technical Governance & Standards

• Ensure all work supports Thames Water's safety, sustainability, and compliance objectives.
• Support periodic inspections and audits to verify quality, compliance, and safety standards.
• Ensure OT systems align with approved architectures, frameworks, and internal technical standards.

Stakeholder Engagement & Collaboration

• Collaborate with engineering, operations, cybersecurity, IT, and asset management teams to deliver integrated OT solutions.
• Build strong working relationships with vendors, regulators, and delivery partners.
• Translate complex technical information into clear, actionable guidance for stakeholders.

Delivery Support & Handover

• Provide technical support during build, commissioning, and handover phases to ensure smooth transition to operational teams.
• Contribute to supplier selection, technical assessments, and commercial evaluations of proposed solutions.

Base location - Hybrid - Sewage Treatment Works, Reading
Working pattern - 36 hours Monday to Friday
What you should bring to the role
Essential Experience

• Minimum of 3 years' experience in OT solutions or technical governance within utilities or industrial environments.
• Proven experience in deploying OT systems, including SCADA, telemetry, and control systems.
• Strong understanding of OT cybersecurity, risk management, and regulatory compliance.
• Experience working with third-party delivery partners and managing competing priorities.
• Demonstrated problem-solving and decision-making ability in complex, reactive environments.
• Strong stakeholder engagement and cross-functional collaboration skills.

Essential Technical Skills & Qualifications

• Higher education qualification or equivalent experience in an engineering discipline.
• In-depth understanding of OT systems and architecture, including SCADA, PLC, HMI, and industrial networking.
• Strong technical report writing, documentation, and communication skills.
• Ability to make balanced decisions considering technical risk and business priorities.
• Self-motivated, detail-oriented, and able to deliver under pressure.
• Strong interpersonal and stakeholder management skills.

Desirable Experience

• Experience developing technical standards, specifications, or frameworks.
• Project management and delivery experience, including planning and performance tracking.
• Ability to simplify and communicate complex technical solutions effectively.
• Experience working with industry or international standards and contributing to documentation.
• Commercial and contract management experience.
• Change management experience within OT programmes.

Desirable Technical Skills & Qualifications

• Membership of a professional engineering institution.
• Health, Safety, and Environmental Management qualification (e.g., NEBOSH)

What's in it for you?

• Competitive salary up to 70,000 per annum, depending on experience.
• Performance-related pay plan directly linked to company performance measures and targets.
• Annual Leave - 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays)
• 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
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
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. Come and join the Thames Water family. Learn more.
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 . If you need any adjustments, whether that's extra time, accessible formats, or anything else just let us know, we're here to .
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.
Disclaimer: Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.

Skills Required