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+
•    Secret Clearance 

Desired Skills:
•    Experience with ServiceNow or other ticketing system
•    Experience administering and working with Windows and Linux operating systems
•    Microsoft Active Directory/Entra
•    Microsoft PowerBI Dashboarding
•    Advanced PowerShell scripting or prior software development experience
•    DoD PKI

Accelera Solutions is an Equal Opportunity Employer/Veterans/Disabled.