Junior Security Engineer

Company: Cybanetix
Apply for the Junior Security Engineer
Location: Greater London
Job Description:

Overview

Location: UK (remote/hybrid, with up to one day per week in central London)

Stack:

  • SIEM: Microsoft Sentinel, or similar
  • EDR/XDR: Defender, SentinelOne, CrowdStrike or equivalent
  • Cloud/Platform: Azure (strongly preferred)
  • Exposure to Microsoft security stack is advantageous but not required

Join a dedicated customer team as part of the wider Cybanetix engineering and security function. This role is open to both early-career security professionals and platform-focused engineers with Azure or equivalent systems experience who want to move into security engineering.

You will support investigations, contribute to detection tuning, and develop hands-on engineering capability across modern SIEM, EDR, and cloud platforms.

  • Work with the configuration of modern SIEM, EDR, and cloud-based security platforms.
  • Assist with configuration reviews and platform optimisation tasks.
  • Support onboarding of new log sources and telemetry improvements.
  • Work with detections from design through deployment and maintenance.
  • Contribute to documentation and repeatable engineering processes.

Responsibilities

  • Assist with incident handling activities, documentation, and follow-up actions.
  • Contribute to SIEM and EDR tuning to improve signal quality.
  • Help identify detection gaps and suggest improvements.
  • Write and refine SIEM queries for investigation and hunting support.
  • Support proactive threat hunting initiatives under guidance from senior engineers.
  • Work as part of a dedicated customer team supporting day-to-day security operations.
  • Communicate clearly with internal teams and senior engineers.
  • Participate in structured knowledge sharing and mentoring sessions.
  • Support on-call escalation processes where appropriate.

What we’re looking for

Must have:

  • Strong understanding of core IT systems and platforms (Windows Server, Azure, networking fundamentals).
  • Experience working with cloud or infrastructure platforms, ideally Azure.
  • Strong analytical thinking and willingness to learn.
  • Clear written and verbal communication skills.
  • Ability to understand how systems integrate and how telemetry is generated.

Nice to have:

  • Understanding of endpoint and SIEM investigations.
  • Familiarity with at least one SIEM and one EDR platform.
  • Basic experience writing queries in a SIEM environment.
  • Exposure to the Microsoft security ecosystem.
  • Experience working in a SOC or security operations environment.
  • Basic scripting knowledge (PowerShell or Python).

What this role gives you

  • Structured progression into security engineering from either a SOC or platform background.
  • Hands-on experience with modern SIEM, EDR, and Azure security tooling.
  • Mentorship from senior engineers and architects.
  • Exposure to real-world enterprise environments.

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Posted: February 28th, 2026