M365 Security Consultant ( SC Clearance Required)

(Security Clearance Required) As an M365 Consultant/Senior Consultant, you will help transform clients’ cybersecurity posture by designing and implementing advanced Microsoft Threat Protection technologies. You will work directly with clients in a consulting capacity, supporting medium to large enterprise environments and contributing to robust Cyber Defence strategies across endpoints, identities, cloud, and collaboration platforms.

Key Responsibilities

• Design and implement AV/EDR solutions (e.g., Microsoft Defender for Endpoint) to detect and respond to cyber threats across major operating systems.
• Protect email, messaging, and collaboration platforms from phishing, spear phishing, BEC, and identity-related attacks.
• Develop and maintain cyber defence use cases, correlation rules, and attack chain detections across disparate systems.
• Design, implement, and integrate SIEM solutions-particularly Microsoft Sentinel-into Security Operations.
• Perform threat hunting across endpoints, identities, networking, cloud, and collaboration platforms in the Microsoft ecosystem.
• Handle L2-level incidents leveraging Microsoft Sentinel and Microsoft Defender tools.
• Support incident response, triage, threat modelling, and vulnerability remediation within Azure-hosted environments.
• Create, run, and troubleshoot Azure Logic Apps, playbooks, and Sentinel automation components.
• Collaborate with business and security stakeholders to define and enhance security standards and improve security posture.

• Technical Expertise: Proven experience with Microsoft Sentinel (architecture, deployment, analytics rules, workbooks, playbooks); Microsoft Defender for Endpoint and Defender for Cloud; SIEM/SOC operations; Azure Logic Apps; vulnerability remediation; incident response.
• Threat Hunting & Detection: Hands‑on experience using KQL, Microsoft Defender XDR, and threat intelligence sources to hunt threats and support investigations.
• Cyber Defence & Infrastructure Security: Strong understanding of cyber defence concepts, infrastructure security, and troubleshooting across the Microsoft ecosystem.
• Methodology: Familiarity with agile methodologies and backlog management.
• Collaboration & Communication: Strong communication skills, ability to work with cross‑functional teams, and experience in client‑facing environments.
• Technologies: Knowledge of Microsoft 365, Azure, Windows, Linux, and mobile operating systems.
• SC100 or equivalent desirable

Characteristics for Success

• Consultative and collaborative mindset; strong relationship builder.
• Resilient, adaptable, intellectually curious.
• Passionate about Microsoft security technologies (M365 Threat Protection, Defender suite, O365, Identity).
• Problem‑solver, quality‑driven, self‑motivated, and innovative.

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