Security Engineer

Security Engineer – Perm – Up to £85,000 + benefits

• Must already hold or be eligible for SC level security clearance
• Remote - 1 - 3 x a month in London office

An established organisation is seeking a Microsoft Security Engineer to help shape and enhance the security posture of the environments it supports. This role operates at the intersection of deep technical expertise, advisory ownership, and real-world security impact.

The successful candidate will work closely with customers, engineers, and operational security teams to deliver meaningful improvements across identity, detection engineering, endpoint security, and cloud security posture. This is a hands‑on role involving the design and implementation of modern security architectures, solving complex technical challenges, and acting as a trusted technical partner.

Technology Environment

Microsoft Security Stack:

• Microsoft Sentinel

Experience with alternative modern security platforms such as SentinelOne or CrowdStrike is advantageous.

• Exposure to AWS or GCP (desirable)

Platforms & Infrastructure:

• Active Directory / Entra hybrid identity
• Windows Server and Linux

Tooling & Automation:

• KQL
• PowerShell
• API integrations
• Automation tooling

Required Experience

• Strong, demonstrable experience across the Microsoft security ecosystem.
• Solid understanding of identity and endpoint security fundamentals.
• Proven experience writing and tuning detection logic (e.g., KQL) for detection engineering and threat hunting scenarios.
• Excellent communication and customer-facing skills
• Ability to work autonomously, solve complex problems, and deliver high-quality technical solutions.
• Automation experience (PowerShell, Python, API integrations) and/or systems administration background.
• Familiarity with security frameworks and incident response methodologies.
• Experience working with logging pipelines (e.g., AMA, Syslog, Cribl, SIEM tooling).
• Exposure to non-Microsoft security platforms such as CrowdStrike, SentinelOne, or Tenable.
• Experience producing architecture documents, diagrams, and technical design proposals.
• Background in an MSSP, consultancy, or customer‑facing engineering environment.

What the Role Offers

• Ownership of technical direction across engagements with the ability to influence customer security posture.
• A blend of architecture, engineering, advisory, and hands‑on implementation work.
• Exposure to a diverse range of environments, threat models, and operational challenges.

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