Microsoft security Administrator

Role - MDE admin- End point security

Desired Competencies (Technical/Behavioral Competency)

Must-Have**

1 . Advanced Issue Resolution:

Diagnosing and resolving complex technical issues related to MDE Server Plan 2 and Endpoint, including next-generation antivirus, ASR Rules, EDR, attack surface reduction, and threat intelligence.Troubleshoot integration issues with Microsoft Defender for Cloud, Microsoft Intune, and Azure Arc).

Investigate and mitigate false positives/negatives, leveraging suppression tools and behavioral blocking capabilities.

2. Endpoint and Server Security Management:Configure and optimize MDE features, such as attack surface reduction rules, web protection, and device control for Windows, Linux, macOS, iOS, Android devices.Implement and manage agentless scanning, vulnerability assessments, and file integrity monitoring for servers under Defender for Servers Plan 3.Enable and fine-tune automated investigation and remediation processes to reduce alert volume and respond to threats in near real-time.

4. Deployment and Configuration:Lead onboarding of servers (Windows Server, Linux) and endpoints to MDE, ensuring compliance with licensing requirements (e.g., Defender for Servers Plan 2 for server environments). Configure MDE in mixed-licensing scenarios (Plan 1 and Plan 2) and apply device tagging for appropriate feature allocation. Set up network connectivity for MDE services, including proxy configurations and streamlined connectivity for cloud services.

5. Vulnerability Management and Compliance:Utilize Defender Vulnerability Management (core and premium add-on) to assess, prioritize, and remediate vulnerabilities across endpoints and servers.Conduct OS configuration assessments against Microsoft Cloud SecurityBenchmark and ensure compliance with regulatory standards. Provide recommendations to improve security posture using Microsoft Secure Score and agentless scanning capabilities.

6. Collaboration and Documentation:

1. Work with L1/L2 support teams to escalate and resolve issues, providing guidance and training on MDE features and best practices.

2. Document troubleshooting processes, configurations, and incident resolutions in knowledge bases for future reference.

3. Engage with Microsoft support and the Microsoft Security Community for advanced issue resolution and feature updates.