Job Title: Senior Security Specialist
Agency: Digital Health and Care Wales
Location: Cardiff, United Kingdom, Wales
Salary/Rate: 50,129 – 57,365 £ / Year
Job summary
Are you passionate about cyber security and protecting essential public services from evolving threats? Digital Health and Care Wales (DHCW) is seeking a Senior Security Specialist – Threat Hunting to join our Cyber Security Operations Centre (CSOC).
This is an exciting opportunity to play a leading role in identifying cyber threats, strengthening security monitoring and improving the resilience of systems that support NHS Wales. Working as a senior technical specialist, you will lead proactive threat hunting activities, investigate complex security events and enhance detection capabilities across a diverse technology landscape.
You will collaborate with colleagues across DHCW, providing expert advice, driving continuous improvement and helping to protect critical national infrastructure and sensitive information. We welcome applications from people with a variety of backgrounds and experiences who share our commitment to innovation, collaboration and making a difference through cyber security.
Main duties of the job
As a Senior Security Specialist – Threat Hunting, you will proactively search for indicators of compromise, analyse security events and investigate complex cyber threats across DHCW and NHS Wales services. Using intelligence-led approaches, you will identify emerging risks and recommend actions to strengthen organisational security.
You will develop and improve security monitoring capabilities by refining SIEM analytics, detection rules, dashboards and investigation processes. Working closely with technical teams, you will help improve visibility across cloud, identity, endpoint, network and application environments.
The role also includes analysing trends, conducting horizon scanning, supporting incident response activities and contributing to cyber security projects and service improvements. As a senior member of the team, you will provide technical guidance, share knowledge with colleagues and support the ongoing development of the Cyber Security Operations Centre.
The ability to speak Welsh is desirable for this post; Welsh and/or English speakers are equally welcome to apply.
Person Specification
Qualifications and Knowledge
Essential
- Degree and/or equivalent skills and experience in a relevant technical, cyber security or digital field
- Good understanding of cyber security operations, threat detection, incident response and threat hunting principles
- Strong knowledge of security monitoring, SIEM, identity, endpoint, cloud and network security concepts
- Strong technical expertise in areas such as network security, application security, cloud security, encryption, identity and access management, and security frameworks (e.g., NIST, ISO)
Desirable
- Experience of threat hunting, detection engineering, threat intelligence or digital forensics
Experience
Essential
- Experience of working in cyber security operations, security monitoring, incident response or a related technical security role within a complex environment
- Experience of analysing security events, incidents and data from multiple sources to identify risks and support investigation or response
- Experience of using security tools and technologies, ideally including SIEM, endpoint, cloud or identity security tooling
- Experience of undertaking or supporting proactive threat hunting, detection tuning, security monitoring improvement or investigation of suspicious activity.
Skills and Attributes
Essential
- Experience of threat hunting, detection tuning or development of security use cases
- Highly developed ability to think logically and clearly, analyse problems and develop improvement strategies
Disclosure and Barring Service Check
This post is subject to the Rehabilitation of Offenders Act (Exceptions Order) 1975 and as such it will be necessary for a submission for Disclosure to be made to the Disclosure and Barring Service (formerly known as CRB) to check for any previous criminal convictions.
Applications from job seekers who require current Skilled worker sponsorship to work in the UK are welcome and will be considered alongside all other applications. For further information visit the UK Visas and Immigration website (Opens in a new tab).
From 6 April 2017, skilled worker applicants, applying for entry clearance into the UK, have had to present a criminal record certificate from each country they have resided continuously or cumulatively for 12 months or more in the past 10 years. Adult dependants (over 18 years old) are also subject to this requirement. Guidance can be found here Criminal records checks for overseas applicants (Opens in a new tab).
Closing Date: 24 August 2026
How to Apply;
Interested and qualified candidates should:
Click here to apply online for this job
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