Microsoft System Administrator - Senior

Olympus Solutions, Inc. is seeking a full-time, highly motivated senior systems professional with strong technical leadership, troubleshooting, and communication skills to join our growing enterprise infrastructure practice as a Microsoft System Administrator
- Senior. This role is ideal for an experienced Microsoft platform engineer with a background in Windows Server, Microsoft 365, and Azure administration who is ready to serve as a senior technical authority for enterprise collaboration services within a dynamic federal contracting environment.

You will lead architecture, advanced configuration, and complex integration across Microsoft platforms, and provide technical leadership for Microsoft Teams conferencing and large-scale streaming support for high-visibility agency events, including leadership meetings and town halls.

• Serve as the senior technical lead for enterprise Windows Server, Active Directory, and Group Policy administration.
• Design and implement advanced configurations, upgrades, and hardening for Microsoft server and collaboration environments.
• Administer Microsoft 365 services, including Exchange Online, SharePoint Online, and Teams, to ensure high availability and performance.
• Design, deploy, and manage Azure resources, including virtual machines, storage, and networking services.
• Administer Microsoft Entra  (Azure Active Directory) and hybrid identity services.
• Lead integration of Azure cloud services with enterprise systems and on-premises dependencies.
• Architect and support enterprise Teams collaboration, conferencing, and streaming, including Teams Live Events and enterprise broadcast solutions.
• Oversee live event streaming operations to ensure audio and video quality, scalability, and rapid issue resolution.
• Develop and maintain Power Shell automation for provisioning, configuration management, and repeatable operations.
• Implement proactive monitoring and tuning across Windows, Microsoft 365, and Azure environments to reduce incidents and improve service quality.
• Troubleshoot complex platform and streaming issues to restore services and prevent recurrence.
• Drive continuous service improvement across Microsoft infrastructure and collaboration platforms.

• Bachelor's degree in a relevant field.
• 8+ years of experience in senior-level system administration roles focused on Microsoft technologies.
• Extensive experience managing enterprise Windows Server environments, Active Directory, Group Policy, and Microsoft 365 services (Exchange Online, SharePoint Online, Teams).
• Strong experience supporting Azure services and resources, including Entra , virtual machines, storage, and networking.
• Experience architecting and supporting Microsoft Teams video conferencing, Teams Live Events, and enterprise streaming solutions.
• Power Shell scripting for automation, advanced configuration, and operational efficiency.
• Monitoring, troubleshooting, and performance optimization experience across Microsoft infrastructure and collaboration platforms.
• Ability to meet federal contract eligibility requirements and to obtain and maintain a federal public trust clearance.
• Willingness to participate in on-call or surge support, including occasional on-site event support and travel as required.

• Experience supporting federal enterprise IT environments with strict security, audit, and compliance requirements
• Microsoft 365 GCC/G5 operations and governance
• Identity governance controls such as conditional access, MFA, PIM, and access reviews
• Executive-level Teams Live Events and enterprise broadcast operations
• Microsoft Certified:
  Azure Solutions Architect Expert
• ITIL 4 Foundation

Olympus Solutions is an equal opportunity employer.

Olympus Solutions offers a…