Cyber Security Officer (Interim)

Eden Brown Synergy
London, United Kingdom
3 weeks ago
£500 pd

Salary

£500 pd

Posted
17 Apr 2026 (3 weeks ago)

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 frameworkAdditional 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, CCSPCrowdStrike (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 (phone number removed). 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

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