Systems Administrator 4

Job Title:

Senior Microsoft 365 Systems Administrator

Location:

Tulsa, OK (Hybrid: Mon–Thu onsite, Fri remote) Duration: 12-Month Contract (Potential Extension/Conversion)

We are seeking a Senior Systems Administrator to lead the administration, security, and optimization of enterprise Microsoft 365 platforms. This role focuses on delivering reliable, secure, and scalable collaboration solutions while driving platform strategy and mentoring team members.

• Lead administration of Microsoft 365 (Exchange Online, Teams, SharePoint, One Drive, Copilot, Entra )
• Manage identity and access (SSO, MFA, Conditional Access, governance)
• Provide Tier 3 support, root cause analysis, and system improvements
• Drive M365 platform strategy, upgrades, and roadmap alignment
• Implement security and compliance solutions (Purview, DLP, eDiscovery, retention)
• Design and deliver scalable solutions aligned with business needs
• Mentor team members and collaborate across teams

• 8+ years of IT experience (or equivalent combination of education and experience)
• Strong expertise in Microsoft 365 administration
• Experience with Entra  (Azure AD), SSO, MFA, and access management
• Hands‑on experience with security and compliance tools (Purview, DLP, eDiscovery)
• Experience providing Tier 3 support for complex systems
• Strong communication, leadership, and problem‑solving skills
• Ability to participate in on‑call rotation

• Experience with Microsoft Copilot and emerging M365 tools
• Background in platform governance and strategy
• Experience mentoring or leading technical teams
• Knowledge of automation or scripting (Power Shell)

• Work on enterprise‑scale Microsoft 365 platforms
• Hybrid work environment with flexibility
• Opportunity to lead impactful security and collaboration initiatives
• Long‑term growth with potential for conversion