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. Responsibilities 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 length of service (plus bank holidays). Generous Pension Scheme through AON. Access to a wide range of benefits, including annual health MOTs, physiotherapy and counselling, Cycle to Work schemes, shopping vouchers and life assurance.

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