Cyber Security Analyst

Haystack

United Kingdom · Contract · Mid-Senior

We're working with a high-impact Central Government strategic partner on this exciting opportunity to protect critical national infrastructure.

Step into a mission-critical role where you will safeguard essential public services using a cutting-edge security stack including Splunk, Microsoft Defender, and Tenable. This is a high-stakes environment where your expertise in incident response and threat modelling will directly impact national security posture.

The Role

Lead the triage and investigation of security events across a complex estate to determine scope, priority, and impact.
Monitor and manage advanced security tooling including SIEM (Splunk), IDS/IPS, and vulnerability scanners to detect emerging threats.
Drive end-to-end incident response actions and perform deep-dive forensic analysis to identify root causes of breaches.
Collaborate with cross-functional teams to provide actionable recommendations for efficient remediation and long-term hardening.
Utilize Tenable Threat Modelling System solutions to stay ahead of sophisticated adversaries and evolving attack vectors.

What You'll Need

Active DV (Developed Vetting) Clearance is essential for this sensitive government project.
Proven experience in a SOC environment with high proficiency in SIEM platforms like Splunk and Microsoft Defender for Endpoint.
Strong technical grasp of network security principles, including firewalls, access control mechanisms, and protocol analysis.
Background in forensic analysis and vulnerability management using industry-standard tools such as Tenable.
Industry-recognised certifications such as CISSP, CISM, CompTIA Security+, CEH, or GIAC are highly desirable.

What's On Offer

Deeply impactful work within the Central Government sector focused on national security.
Initial 12-month contract with a strong likelihood of long-term extensions.
Flexible hybrid working model based out of a central London hub.
Exposure to enterprise-level threat hunting and high-level forensic investigations.

Apply via Haystack today!

Key Skills

Ranked by relevance

splunk microsoft defender incident response siem network security firewalls cissp cism ceh

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