13 of 13 Operational Technology Jobs in the Thames Valley

OT Cyber Security Analyst Culham, Oxfordshire (2 days onsite per week) £50/hour Umbrella | £36.43/hour PAYE Contract until 18th December 2026 Active SC Clearance Required (or lapsed within last 12 months) A government backed organisation is hiring an OT Cyber Security Analyst with industry experience … Chemical. You must a strong background in SIEM & SOC integration coupled with OT security frameworks IEC 62443, NIST CSF, CAF, ISO 27001 to support the protection and continuous improvement of Operational Technology (OT) environments across critical infrastructure and industrial systems. This is an exciting opportunity to join ...

OT Cyber Security Analyst Culham, Oxfordshire (2 days onsite per week) £50/hour Umbrella | £36.43/hour PAYE Contract until 18th December 2026 Active SC Clearance Required (or lapsed within last 12 months) A government backed organisation is hiring an OT Cyber Security Analyst with industry experience … Chemical. You must a strong background in SIEM & SOC integration coupled with OT security frameworks IEC 62443, NIST CSF, CAF, ISO 27001 to support the protection and continuous improvement of Operational Technology (OT) environments across critical infrastructure and industrial systems. This is an exciting opportunity to join ...

OT SCADA Architect/Senior OT SCADA Engineer 12-Month Contract | Outside IR35 | UK Based | Competitive Day Rate We are seeking an experienced SCADA Architect or Senior SCADA Engineer to support a major energy and utilities programme focused on the modernisation and optimisation of operational technology, network management … time telemetry, monitoring and control capabilities across operational networks. Support Distribution Management Systems (DMS) and Network Management Systems (NMS) initiatives. Define and implement OT communications strategies, including RTU and substation integrations. Collaborate with operational, engineering and technology teams to improve network visibility and resilience. Support smart grid ...

millions of customers every day. You'll play a key role in identifying, assessing, and reducing cyber risk across a large and complex technology estate, making sure vulnerabilities are understood, prioritised, and fixed before they can be exploited. It's a hands-on role where you'll work closely … help shape how we reduce cyber risk and strengthen our overall security posture. Support end-to-end vulnerability management across IT and operational technology environments Help shape and improve threat and vulnerability management processes, frameworks, and ways of working Work with technical and business teams to prioritise ...

Control Testing Automation & Monitoring Lead, you will be responsible for designing and delivering automated control testing and monitoring solutions across IT, OT, and business environments at Thames Water. Working closely with the Control Testing & Assurance Manager, digital teams, and a wide range of business stakeholders, you will identify opportunities … level. What you'll be doing as a Control Testing Automation & Monitoring Lead Identify and assess opportunities to automate control testing across IT, OT, and business functions. Design, develop, and implement automation plans and workflows to support continuous monitoring of controls. Evaluate and recommend appropriate tooling and technologies for control ...

/Hybrid) - Inside IR35 Day Rate - up to £800 Duration - 6 months Harvey Nash's Client have a requirement for a Lead SCADA and OT Cyber Security Engineer, you will be responsible for ensuring the security, resilience, and operational integrity of the SCADA and OT systems within multiple operational … SCADA Systems Engineers to improve operational reliability of sites and leads with cross-functional collaboration. Key Accountabilities Delivering Solutions Develops and implements OT cyber security strategies, including risk assessments and vulnerability analysis. Leads incident response and oversees implementation of security controls, monitoring, and access management. Contributes to network design ...

OT SCADA Architect/Senior OT SCADA Engineer 12-Month Contract Outside IR35 UK Based Competitive Day Rate We are seeking an experienced SCADA Architect or Senior SCADA Engineer to support a major energy and utilities programme focused on the modernisation and optimisation of operational technology, network management ...

direction relating to the design, build and operation of large Data Centres. Principally, this relates to the electrical infrastructure, but extends into the overall operational technology found in the Data Centre environment. The role requires expertise within electromechanical systems such a cooling, building management systems, energy management systems. ...

OT Cyber Solution Architect - (Reading 1-2 days a week max.) - 6 months (£635 - 682) Must have OT Cyber experience! End to End Architecture Leadership: Define and deliver Zero Trust OT architecture, including: NAC (FortiNAC) NDR (Claroty + Fortigate + Fortiguard +SOC integration) EDR (SentinelOne and Microsoft Defender) Scope … delivery across the entire scope of this project containing 3 workstreams: 1. Network Access Control (NAC) Implement NAC (802.1X) across L2 Switches in 64 OT sites Deliver: Device authentication & posture checking Dynamic access control and segmentation Safe deployment in OT constrained environments 2. Endpoint Detection & Response (EDR) Deploy advanced endpoint ...

critical role in delivering Thames Water's cyber strategy, with responsibility for the design, implementation, and ongoing effectiveness of security capabilities across IT and OT environments. You will engineer and maintain the technical capabilities that enable early threat detection, rapid and consistent response, and sustained cyber risk reduction , while translating … role requires a strong understanding of security engineering concepts, infrastructure technologies, and best practices, along with the ability to collaborate effectively across IT, OT, and security operations to drive continuous improvement. You must be able to obtain Counter Terrorist Check (CTC) Clearance to be eligible for this position. What ...

/Hybrid) - Inside IR35 Day Rate - up to £800 Duration - 6 months Harvey Nash's Client have a requirement for a Lead SCADA and OT Cyber Security Engineer, you will be responsible for ensuring the security, resilience, and operational integrity of the SCADA and OT systems within multiple operational ...

working with an engineering-led business building software and hardware-integrated platforms across areas like airspace monitoring, security systems, and real-time operational technology. They’re looking for a Technical Business Analyst who is comfortable sitting between engineering teams, operational users, and project delivery. What … doing: Gathering and refining requirements with technical and operational stakeholders Writing structured user stories and acceptance criteria in Azure DevOps Supporting Agile delivery across sprint planning, backlog refinement, and demos Producing workflows, user journeys, and wireframes Working closely with Architects, developers, and testers on complex real-world systems Supporting ...

/Hybrid) - Inside IR35 Day Rate - up to £800 Duration - 6 months Harvey Nash's Client have a requirement for a Lead SCADA and OT Cyber Security Engineer, you will be responsible for ensuring the security, resilience, and operational integrity of the SCADA and OT xxuwjjq systems within multiple … operational offshore windfarm sites. This role plays a key part in de... Find out more about this role by reading the information below, then apply to be considered. ...