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# Senior Security Specialist - Threat Hunting

- **Company:** Yolk Public Sector & Not-for
- **Location:** Newport, UK
- **Experience:** Expert
- **Salary:** £41,600.0
- **Contract:** Temporary to permanent
- **Skills:** Data Analysis, Cloud Computing, Cyber Security, Intrusion Detection and Prevention, Kusto Query Language, Security Information and Event Management, Data Logging, Software Security, Cybercrime, Microsoft Sentinel, Tools for Reporting
- **Published:** August 19, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/44459019/

## About the Role

SIEM detections, analytics, use cases and KQL queries to improve threat detection and reduce false positives. Identify gaps in logging, monitoring and telemetry across cloud, identity, endpoint, network and application environments. Analyse threat intelligence and emerging risks to improve cyber resilience. Produce technical reports, recommendations and threat hunting outcomes. Provide expert security advice and mentor colleagues through training and knowledge sharing. Collaborate with technical teams and stakeholders to enhance cyber security capabilities across NHS Wales.Essential Requirements Degree (or equivalent experience) in Cyber Security, IT or a related technical discipline. Strong knowledge of cyber security operations, threat hunting, incident response and security monitoring. Experience with SIEM platforms (ideally Microsoft Sentinel), KQL or similar analytics tools. Good understanding of cloud, endpoint, identity, network and application security., Knowledge of security

## Description

frameworks such as NIST or ISO 27001, Experience Proven experience in cyber security operations, SOC, incident response or threat hunting within a complex environment. Experience analysing security events and telemetry from multiple sources. Experience improving detection capabilities, developing security use cases and tuning SIEM alerts. Experience producing technical reports and security recommendations.Think this one's for youIf you think this Senior Security Specialist opportunity is for you then please apply online.Yolk Public Sector & Not-for-Profit team works with organisations across the UK to fulfil their recruitment needs and to achieve their D&I objectives. We recruit temporary, contract and permanent hires for 1 off specialist needs or for volume campaigns. We support our applicants to navigate the public sector recruitment processes and secure their dream jobs.Yolk Recruitment is an equal opportunities employer and embraces diversity in our workforce. We employ the best
people for the job at hand and actively encourage applications from all qualified candidates, regardless of gender, age, race, religion, sexual orientation, disability, educational background, parental status, gender identity or any other protected characteristic. We champion and celebrate diversity at Yolk allowing our team to bring their whole selves to work.JBRP1_UKTJ


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