Senior Microsoft Security Administrator

This position is full time remote and requires the candidate hold an active secret clearance.

Are you detail-oriented and passionate about cybersecurity? We’re searching for a Microsoft Security Administrator to join our dynamic team and ensure the smooth, day-to-day operation of our Microsoft Defender services for our Department of Defense (DoD) customer. If you’re committed to maintaining high security standards and eager to contribute to a critical mission, this could be the perfect opportunity for you!

Responsibilities:
1. Monitoring Endpoint Detection and Response (EDR):
• Continuously monitoring Defender health, alerts, onboarding status, sensor health, policy enforcement, and security configuration.
2. Managing Next-Generation Antivirus (NGAV):
• Ensure NGAV solutions are running optimally and address any alerts or issues.
• Perform routine checks and updates to maintain peak performance.
3. Maintaining Attack Surface Reduction:
• Ensure rules and controls are in place to minimize the attack surface of endpoints, as provided by the SOC
• Report any deviations or issues to the engineering team for review.
4. Integrating Cloud-Delivered Protection:
• Verify that real-time updates and threat intelligence from the Microsoft cloud are being received and applied.
• Report any discrepancies or issues to the engineering team.
5. Connecting with SIEM Solutions:
• Ensure seamless integration of Microsoft Defender with Microsoft Sentinel and other SIEM tools.
• Monitor and maintain centralized logging, analytics, and reporting dashboards.
• Perform data analysis via the SIEM tool as required.
6. Ensuring Cross-Platform Protection:
• Verify comprehensive security across Windows, Linux, and mobile devices.
• Report any platform-specific issues to the engineering team.
7. Delivering Comprehensive Reporting and Analytics:
• Generate and review detailed reports on security posture, incidents, and compliance.
• Ensure dashboards and alerts are functioning correctly and report any issues.
8. Applying Prescribed Procedures:
• Follow established procedures and guidelines for maintaining Microsoft Defender solutions.
• Escalate any issues or anomalies to the engineering team.
9. Implementing Windows Defender Application Control (WDAC):
• Ensure WDAC policies are correctly applied and functioning as intended.
• Report any policy violations or issues to the engineering team.
10. Integrating Microsoft Defender, Intune, and Purview for Data Loss Prevention (DLP):
• Ensure DLP policies are correctly implemented and functioning across endpoints, mobile devices, and cloud services.
• Implement approved DLP waivers for authorized users and devices.
• Monitor DLP incidents and report any policy violations or data exfiltration attempts to the engineering team.
• Maintain unified reporting and alerts for any DLP-related issues.
• A bachelor’s degree in computer science, Information Security, or a related field.
• 3+ Years of relevant experience
• Experience with Microsoft Defender for Endpoint and Microsoft Defender for Cloud, including Defender for Servers.
• Familiarity with endpoint security, threat hunting, and incident response.
• Familiarity with SIEM solutions, especially Microsoft Sentinel.
• Excellent attention to detail and problem-solving skills.
• Good communication and collaboration skills to interact effectively with stakeholders at all levels.
• Understanding of industry compliance standards (e.g., NIST SP 800-53) and relevant regulations (e.g., RMF, DISA STIGs, DoDI 8500.01/8510.01, CMMC/NIST 800-171) is advantageous.
• Willingness to stay updated with the latest cybersecurity trends and emerging security tools.
• Required DoD 8140 compliant certification such as CompTIA Security+
• Active DoD Secret Clearance Desired

Skills:

• Experience with Service Now or other ticketing system
• Experience administering and working with Windows and Linux operating systems
• Microsoft Active Directory/Entra
• Microsoft PowerBI Dashboarding
• Advanced Power Shell scripting or prior software development experience
• DoD PKIAccelera Solutions is an Equal Opportunity Employer/Veterans/Disabled.