Cyber Security Officer (Interim)

Senior Cyber Security Engineer (Contract)
Hybrid 6-Month Contract Start: ASAP

Day Rate: 500p/d inside

We're looking for a Senior Cyber Security Engineer to join a forward-thinking public sector environment at a critical point in its cyber maturity journey.

With a newly implemented outsourced Security Operations Centre (SOC) powered by Splunk and CrowdStrike, this role is key to maximising both investment and capability. You'll act as the senior technical lead-optimising tooling, strengthening detection and response, and upskilling the internal team.

This is a hands-on, high-impact role suited to someone who can hit the ground running and elevate an evolving security function.

• Endpoint Security Leadership: Own deployment, configuration, and optimisation of CrowdStrike Falcon
• SIEM Optimisation: Partner with the SOC to enhance Splunk dashboards, alerts, and data models
• Incident Response: Act as escalation point for high-priority incidents, driving rapid containment
• Threat Hunting: Proactively identify hidden threats using advanced queries and telemetry
• Automation (SOAR): Build workflows to streamline response and reduce manual effort
• Capability Building: Upskill internal teams across CrowdStrike, Splunk, and security analysis

• 5+ years in Cyber Security Engineering or SOC (Tier 3 level)
• Deep hands-on experience with CrowdStrike Falcon (Prevent, Insight, Discover)
• Strong Splunk expertise, including SPL and Enterprise Security (ES)
• Solid understanding of:
  • Network protocols
  • Cloud security (AWS/Azure)
  • MITRE ATT&CK framework

Additional desirable experience:

• Vulnerability Assessment tools
• Penetration Testing / Web Application Testing exposure
• Security policy and standards development

Cyber Security:

• CompTIA Security+, Network+, CySA+, GSEC
• CISSP, GCIH, GCIA, CCSP

CrowdStrike (ideally 2+):

• CCFA (Falcon Administrator)
• CCFR (Falcon Responder)
• CCSE (SIEM Engineer)

Splunk:

• Splunk Certified Cybersecurity Defense Engineer (preferred)

• Shape and optimise a modern SOC capability
• Work with best-in-class tools (CrowdStrike & Splunk)
• High-impact role with visibility across the organisation
• Opportunity to leave a lasting legacy through capability uplift and knowledge transfer

If you're a senior cyber specialist who thrives in hands-on, technically challenging environments and enjoys building capability as well as solving problems, this is worth a conversation

Eden Brown Synergy is an equal opportunities employer.

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