MS 365 GCC System Admin

IEM is looking for a Full-Time Senior System Administrator who will administer, secure, and optimize the organization’s enterprise IT infrastructure, focusing primarily on Microsoft 365 GCC High and Azure Government environments. Serving as a senior technical leader, they will ensures system availability and performance while maintaining strict compliance with NIST SP 800-171 and DoW CMMC Level 2 standards.

Minimum Qualifications:

• Experience: Five(5) + years of progressive experience in enterprise systems administration, infrastructure engineering, or IT operations.
• 5 years of hands-on experience in Microsoft 365 GCC High administration experience.
• Certification :Microsoft 365 Certified: Administrator Expert (MS-102) certification required.
• Clearance: Must be able to obtain and maintain a Department of War (DoW) Secret Security Clearance.
• Extensive working knowledge of NIST SP 800-171 and DoW CMMC Level 2 requirements.
• Demonstrated experience supporting Controlled Unclassified Information (CUI) environments.
• Advanced knowledge of Microsoft Entra ID, Active Directory, Exchange Online, SharePoint Online, Teams, and Intune.
• Strong Windows Server, enterprise infrastructure, and cloud administration experience.
• Advanced PowerShell scripting and automation capabilities.
• Experience implementing cybersecurity controls, identity management, and access policies.
• Experience with enterprise backup, disaster recovery, and business continuity.
• Excellent analytical, troubleshooting, communication, and problem-solving skills.

Preferred Qualifications:

• Experience: Ten (10) years of progressive experience in enterprise systems administration, infrastructure engineering, or IT operations
• Certification : Azure Administrator Associate or Azure Solutions Architect Expert.
• Experience with Microsoft Defender XDR, Microsoft Sentinel, and Microsoft Purview.
• Experience with CMMC Level 2 assessments, SSPs, POA&Ms, and remediation activities.
• Experience supporting Department of War and federal government contracting environments.
• Knowledge of ITIL, change management, and enterprise service management practices.