Systems Administrator - Microsoft 365 / Exchange

Systems Administrator - Microsoft 365 / Exchange

Locations: Oak Ridge, TN | Germantown, MD | Washington, DC | Lemont, IL
Overview

The Microsoft 365 / Exchange Administrator provides Tier III IT operations support across the Office of Information Management (OIM) and SC mission systems. This role focuses on Microsoft 365 account management, Exchange Online, and identity services, ensuring secure, reliable, and compliant collaboration services in alignment with DOE directives.
Responsibilities

• Administer Azure AD user lifecycle, group policies, conditional access, MFA, and RBAC
• Manage M365 account provisioning, licensing, and compliance
• Administer Exchange Online mail flow, transport rules, connectors, and hybrid configurations
• Manage mailbox provisioning, permissions, retention, shared mailboxes, and distribution groups
• Monitor and troubleshoot mail delivery, synchronization, and performance issues
• Implement DLP, eDiscovery, audit logging, and retention policies
• Support Microsoft Teams, SharePoint Online, and OneDrive integration
• Track license utilization and Azure/M365 cost usage
• Maintain CMDB records and operational documentation
• Follow CCR change management and risk evaluation processes
• Document SOPs, policies, and configuration records

Minimum Qualifications

• Bachelor's degree in IT, Computer Science, or related field (Master's preferred)
• 7-10 years of IT or systems administration experience
• Industry certifications such as:
  
  • Microsoft 365 Messaging Administrator
  • Microsoft 365 Enterprise Administrator
  • Azure Administrator Associate
  • CompTIA Security+ or Network+

Additional Skills

• PowerShell, Azure CLI, automation tools
• Exchange Online, Azure AD, Teams, SharePoint, OneDrive
• Hybrid Exchange environments
• M365 compliance frameworks
• Strong troubleshooting and documentation skills