Cyber Security Officer (Interim)

Reference: CSE_1776439216

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

Day Rate: 500p/d inside


The Opportunity

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.


Key Responsibilities

  • 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

Required Experience

  • 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

Certifications (Desirable)

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)

Why Apply?

  • 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.

Eden Brown Limited is a limited company registered in England and Wales with registered number 3643845. Our registered address is 5th floor 4 Coleman Street, London, EC2R 5AR, part of nGAGE Specialist Recruitment Limited T/A nGAGE Talent. Please consider the environment before printing this e-mail. This message is intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to us, and immediately and permanently delete it. Do not use, copy or disclose the information contained in this message or in any attachment. We take reasonable precautions to ensure no viruses are present in this email but cannot accept responsibility for any loss or damage sustained as a result of computer viruses and the recipient must ensure that the email (and attachments) are virus free.

£500.00
Per day
Up to GBP500 per day + Na

Greater London

Contract

Added 17/04/2026
Reference: CSE_1776439216

Cyber Security Officer (Interim)

Greater London
Contract

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