Cyber Threat & Vulnerability Analyst

Company: Thames Water
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Job Description:

We’re looking for a Cyber Threat & Vulnerability Analyst to join our Cyber Security team, helping protect the systems that deliver essential water services to 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 with technical teams and business stakeholders to keep our services safe, resilient, and running smoothly.

What you’ll be doing as a Cyber Threat & Vulnerability Analyst:

  • 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 and remediate vulnerabilities based on risk
  • Investigate new vulnerabilities and recommend clear, practical mitigation actions
  • Support integration of vulnerability scanning tools into existing systems and processes
  • Build and maintain dashboards that show cyber risk, trends, and remediation progress in a clear way
  • Contribute to threat assessments and support proactive threat hunting activities
  • Help ensure alignment with standards such as General Data Protection Regulation, Payment Card Industry Data Security Standard, Network and Information Systems Regulations, and International Organisation for Standardisation 27001
  • Monitor vulnerability management tools and processes, identifying ways to improve effectiveness and reduce risk

Base location: Reading – Clearwater Court

Working pattern or hours: 36 hours Monday to Friday, hybrid working

Necessary requirements for the role: Must be eligible to obtain Counter Terrorist Check security clearance

What you should bring to the role

  • Experience supporting vulnerability management, patching, or cyber risk reduction in a complex environment
  • Understanding of cyber security concepts, including vulnerability management and threat assessment approaches
  • Ability to work with technical teams to support remediation of security issues
  • Experience or understanding of security tooling such as vulnerability scanners or similar technologies
  • Ability to communicate technical issues clearly to both technical and non‑technical audiences
  • Awareness of how security risks are managed across different technology environments (for example cloud, servers, end‑user devices, or operational systems)
  • A relevant cyber security qualification or industry certification such as Certified Information Systems Security Professional, Certified Information Security Manager, or Certified Cloud Security Professional

Extra qualities that would be a great fit for our team

  • Experience working with large enterprise or critical infrastructure environments
  • Familiarity with threat intelligence or threat modelling approaches
  • Experience supporting or improving security processes and governance
  • Exposure to operational technology or legacy infrastructure environments
  • Additional cyber security certifications such as Certified Threat Intelligence Analyst, Certified Vulnerability Assessor, Offensive Security Certified Professional, or similar

What’s in it for you

  • Competitive salary up to £65,000 per annum depending on experience
  • 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 a range of benefits to support health, wellbeing, and finances – including annual health MOTs, physiotherapy and counselling, Cycle to Work schemes, shopping vouchers and life assurance

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Posted: June 16th, 2026