Cyber Security Analyst

Job Requisition

Number: 8232
Work Type:
Permanent
Job Function: IT
Salary: £41,732.00
Base:
South East Hub
Closing Date: 23:59 on 06/01/2026

Monitoring, supporting and analysing security tooling (such as the SIEM, XDR, firewalls, security posture tooling etc.) for suspicious activity. When there are no alarm/events to investigate, the team performs threat hunting, looking for previously undetected threats.

• Continually monitor the organisation's security systems and related infrastructure for signs of compromise
• Proactively use available toolsets to hunt for issues using threat intelligence relevant to the organisation
• Coordinate security changes with IT and OT stakeholders
• Work with the broader Security Operations teams to investigate, contain and remediate cyber security incidents
• Assess new threats to the business, seeking to optimise existing technology to better counter the identified issues
• Support the assessment of supplier security
• Ensure all security events are investigated and documented to completion
• Analyse and offer improvements against use cases and playbooks
• Work with Security Engineering to enhance monitoring and response use cases
• Participate in and help coordinate training scenarios to exercise processes, tools and staff across the wider security team
• Stay up-to-date on the changing threat landscape
• Undertake any other requirements as outlined by the line manager

Internal:
Security Operations Manager, Security Incident Response Lead, Security Engineers, IT & OT Engineers, IT & OT Network Engineers, IT Service Management

External: IT & Security Outsource Partners, Security product vendors

• Relevant qualification or degree in a technical discipline such as Computer Science, Engineering, Data Analytics, Networking, or Information Security
• Experience in cyber security; IT operations/engineering; or security incident management
• Understanding of the Cyber Kill Chain, MITRE ATT&CK and other information security defence and intelligence frameworks

• Demonstrated experience in cloud-based infrastructure including Microsoft Azure, Office 365, Amazon AWS
• Understanding of enterprise‑grade technical security controls and defences‑in‑depth
• Demonstrated experience in stakeholder management both internal and external
• Knowledge of a programming or scripting language such as Python
• Strong understanding of the Cyber Kill Chain, MITRE ATT&CK and other information security defence and intelligence frameworks

• This role requires the successful candidate to attend the office 2/3 days per week

• Variable pay schemes (your salary band will remain the same, but performance‑based, you could receive an incremental within‑band increase and a yearly incentive)
• Option to buy additional annual leave up to 5 days per year
• Enhanced employer pension contributions – up to 11% employer contributions
• Free mortgage‑brokering services
• Enhanced family‑friendly policies
• Progression opportunities, including the ability to apply for funded training and coaching and mentoring programmes
• Gym and fitness discounts as well as high‑street shopping
• Cycle‑to‑work scheme
• Discount off all Welsh Water visitor attraction centres and gift shops
• Car‑leasing scheme and free on‑site parking at all sites
• Health Cash Back scheme and access to an online GP service
• An employee assistance programme for employees and their immediate family
• Many more can be found on our website

Due to the nature of the industry, we require satisfactory references, post‑offer medical clearance, and a criminal records Basic Disclosure check on all new employees joining the business. For some roles there may be additional checks and security clearance required, and this offer is subject to all checks being satisfied. You will receive further information on how to complete these checks via email once you have accepted this offer.

For more information on the role please contact

Dŵr Cymru Welsh Water keeps 3 million people healthy each day with safe, reliable water, and takes away wastewater to clean, before returning it safely to our beautiful rivers and seas. We give our customers essential services which help to protect the health of our customers, colleagues and the environment. Our security of people, assets and information is key to us, and we strive to meet our company’s security objectives.

We celebrate diversity and inclusion, welcoming applications from all people, especially from minority groups, females, LGBT+, non‑binary and people with disabilities.

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