Thames Water
OT Technical Manager
Reading
£90k/yr
Posted 1 day ago
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What you’ll do as an OT Technical Manager
OT Technical Leadership & Operational Performance
Act as a senior operational technical authority for Thames Water’s OT technology estate and associated digital services.
- Lead the teams responsible for IT network operations, enterprise network security, cyber compliance, OT compute, active directory and identity services.
- Ensure the integrity, security, availability, resilience and supportability of OT systems across Thames Water’s operational sites.
- Provide expert technical leadership, escalation and decision making across OT infrastructure, connectivity, compute, security and identity services.
- Maintain effective oversight of the live OT estate, ensuring that critical services remain reliable, secure and fit for purpose.
Digital Network Roadmaps
Own the implementation of the approved Digital (IT/OT) network roadmaps.
- Translate agreed technical roadmaps into prioritised and deliverable operational plans.
- Coordinate resources, suppliers, dependencies, and change activity to deliver roadmap commitments effectively.
- Identify and escalate conflicts, risks, dependencies, and required deviations through the appropriate engineering governance routes.
- Ensure operational delivery remains aligned with approved architectures, standards, regulatory requirements, and business priorities.
Networks, Connectivity & Security Operations
Lead the operation and continual improvement of IT and OT connectivity services supporting connected people and operational assets.
- Oversee network operations delivered through a combination of internal resources and third party managed services.
- Monitor and improve network service health, capacity, performance, resilience and lifecycle.
- Lead the enterprise network security services within the role’s remit, including firewalls, VPN and remote access services, WAN and SD-WAN security controls, and network security monitoring.
- Ensure cyber compliance activities are operated effectively, supported by appropriate evidence and subject to continual improvement.
- Identify and manage network security risks, vulnerabilities, control gaps and technical dependencies.
OT Compute, Directory & Identity Services
Lead the reliable and secure operation of OT hosting and compute platforms.
- Oversee OT Active Directory, the OT tenant and Entra ID services.
- Ensure effective identity lifecycle management, privileged access controls, platform health, backup, recovery and technical support.
- Manage technical risks and improvement opportunities across OT compute, directory and identity services.
- Ensure platforms remain resilient, supportable and capable of meeting current and future operational requirements.
Service Management & Continual Improvement
Manage the routine operation, maintenance and continual improvement of OT systems and associated processes.
- Ensure operational issues, recurring faults, performance constraints and capacity risks are identified, prioritised and addressed.
- Apply effective incident, problem, change, capacity and service improvement practices across the live estate.
- Establish meaningful operational KPIs and service measures covering performance, resilience, supportability and improvement.
- Ensure lessons learned from incidents, operational events and service reviews are translated into practical improvements.
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Operational Resilience, Compliance & Business Continuity
Own operational resilience, business continuity and disaster recovery arrangements for the services within the role’s remit.
- Ensure critical services are appropriately backed up, recoverable and supported by effective recovery capabilities.
- Maintain, test and continually improve recovery documentation and disaster recovery arrangements.
- Coordinate technical response and service restoration during major incidents, operational events and service disruptions.
- Ensure operational compliance with approved company policies, engineering standards, cyber security requirements and relevant regulatory obligations.
- Maintain remediation plans and provide timely assurance and evidence to internal stakeholders and relevant regulatory bodies.
Leadership, Stakeholder & Commercial Management
Lead a high performing and improvement focused technical organisation, setting clear priorities, objectives and performance expectations across internal teams and strategic partners.
- Balance operational support with risk reduction, resilience, compliance, lifecycle activity and roadmap delivery, allocating resources to the areas of greatest business and operational need.
- Act as the senior operational technical authority and escalation point, providing clear, practical and commercially balanced advice to senior stakeholders.
- Build effective relationships across Technology, Engineering, Operations, Cybersecurity, Finance, Procurement and Health and Safety, as well as with regulators and external partners.
- Manage key contracts, suppliers and service relationships, holding partners accountable for service performance, security, resilience, commercial outcomes and agreed improvements.
- Support Capex and Opex planning while managing supplier risks, dependencies and commercial constraints.
- Develop team capability, succession and professional growth while promoting health, safety, wellbeing, accountability and operational excellence.
Base location – Hybrid – Clearwater Court, Reading
Working pattern – Full-time, Monday to Friday
What you should bring to the role
Essential Experience
- Experience working within water industry Operational Technology (OT), with extensive understanding of the technology and operational environments that support critical water and wastewater services.
- Strong knowledge and practical experience of OT methodologies, principles, frameworks, systems, and architectures within a complex operational environment.
- Demonstrable experience leading operational technology services across infrastructure, networks, security, compute, identity, and associated digital services.
- Proven experience managing internal technical teams and significant third-party delivery, managed service, offshore, and outsourced partners within a matrix organisation.
- Demonstrable understanding of the use of OT within the utility industry, including the operational, resilience, security, safety, and regulatory considerations associated with critical infrastructure.
- Proven experience managing technical risks, incidents, problems, service performance, business continuity, disaster recovery, and continual service improvement across a live operational estate.
- Strong experience working with senior stakeholders across technology, engineering, operations, cybersecurity, compliance, commercial, and business functions.
- Proven ability to translate complex technical problems into simple, practical, and deliverable solutions.
- Demonstrable experience making balanced decisions that consider commercial, operational, customer, security, resilience, and regulatory requirements.
- Experience managing technical suppliers, service providers, communications partners, and system integrators, with accountability for service performance and contractual outcomes.
- Strong understanding and practical experience of LAN and WAN network technologies within complex operational environments.
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Essential Technical Skills & Qualifications
- Higher education qualification, or equivalent demonstrable experience, within an engineering discipline.
- Strong technical knowledge of OT systems and architecture, including the infrastructure and supporting services required to operate critical operational environments.
- Strong understanding of OT networks, LAN, WAN, connectivity, and associated operational technologies.
- Practical knowledge of enterprise network security technologies, including firewalls, VPN, remote access, WAN and SD-WAN security controls, and network security monitoring.
- Strong understanding of OT compute platforms, Active Directory, Entra ID, identity lifecycle management, privileged access, backup, recovery, and platform resilience.
- Strong knowledge of OT cybersecurity principles, cyber compliance requirements, operational security controls, risk management, and vulnerability remediation.
- Strong stakeholder engagement and stakeholder management skills, with the ability to communicate effectively with technical and non-technical audiences.
- Strong decision-making and judgement, with the ability to assess complex operational, technical, commercial, security, and customer considerations.
- Demonstrable leadership capability, including leading internal teams, matrix resources, and third-party delivery partners.
- Strong personal accountability and resilience, with the ability to deliver results under pressure in a critical operational environment.
- Excellent communication and interpersonal skills, with the ability to influence senior stakeholders and establish effective relationships across organisational boundaries.
What’s in it for you?
- Competitive up to £90,000 per annum depending on experience
- £5,800 Car allowance
- 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.
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