Cyber Threat & Vulnerability Manager

As a Cyber Threat & Vulnerability Manager, you will play a key role within the Security Operations function at Thames Water, leading the organisation’s approach to identifying, assessing, and reducing cyber risk across both IT and OT environments. Working closely with cybersecurity leadership, enterprise architects, and business stakeholders, you will ensure that threat and vulnerability management (TVM) capabilities are effective, scalable, and continuously improved.

This role contributes to Thames Water’s cybersecurity resilience by establishing robust vulnerability management frameworks, integrating threat intelligence into risk processes, and driving proactive security improvements. You will collaborate across the organisation to reduce risk exposure, enhance cyber maturity, and ensure compliance with industry standards while maintaining strong governance and reporting practices. You must be able to obtain Counter Terrorist Check (CTC) Clearance to be eligible for this position.

• Lead vulnerability management across the enterprise, ensuring frameworks for identification, categorisation, and mitigation are defined, implemented, and maintained.
• Establish and manage the operating model for vulnerability management, ensuring alignment and adoption across the business.
• Collaborate with stakeholders to develop threat assessment and TVM strategies aligned to organisational objectives.
• Develop and maintain TVM documentation, including policies, standards, and procedures.
• Integrate vulnerability management and threat intelligence tools with existing systems and infrastructure.
• Evaluate and recommend tools, technologies, and vendors to support TVM capabilities.
• Investigate newly identified vulnerabilities and provide risk‑based mitigation and remediation guidance.
• Coordinate with technology and business stakeholders to ensure effective patching and vulnerability remediation.
• Maintain and evolve a cyber threat assessment methodology aligned to industry standards.
• Perform proactive threat hunting to identify emerging risks across the technology estate.
• Develop and maintain dashboards and reporting to track vulnerability and threat metrics.
• Ensure compliance with relevant standards and regulations such as GDPR, NIS, and ISO 27001.
• Monitor and optimise TVM tool performance, implementing improvements where required.
• Provide technical leadership and guidance to junior team members.
• Build and maintain strong relationships with vendors and service providers.
• Stay current with emerging threats, technologies, and best practices to continuously enhance security operations.
• Support major incident response where required as part of Security Operations.

Base location – Hybrid – Clearwater Court, Reading.
Working pattern – 36 hours Monday to Friday.

• Experience leading or managing threat and vulnerability management processes within a complex enterprise environment.
• Strong experience in vulnerability remediation and patch management across diverse technology stacks.
• Experience managing cyber risk across dynamic and evolving digital environments.
• Ability to line manage and develop at least one team member towards shared objectives.
• Strong analytical, problem‑solving, and decision‑making skills.
• Experience working with third‑party delivery partners and vendors.
• Excellent communication skills with the ability to explain complex security concepts to non‑technical stakeholders.
• Strong organisational, planning, and strategic thinking capabilities.
• Innovative mindset with a focus on continuous improvement and risk reduction.

• Hands‑on experience with vulnerability management tools such as Tenable and Qualys.
• Strong understanding of TVM concepts, including threat modelling, vulnerability assessment, and OSINT.
• Knowledge of patch management approaches across SaaS, IaaS, end‑user computing, and server environments.
• Ability to develop metrics and dashboards that demonstrate risk reduction and control effectiveness.
• Experience aligning security practices with frameworks such as ISO 27001, NIS, and GDPR.