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M365 Security Consultant (App sec/SCA/SAST/DAST , CI/CD Security, DevSecOps )
3004 Avanade UK Limited Company · London, United Kingdom
About The Role
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.
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- 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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