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Sr Systems Administrator

SeaGlass ITUnited States🇺🇸United StatesPosted Oct 19, 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
United States
Posted
Yesterday
Active DirectoryAzure

Job Description

We're Hiring: Collaboration Systems Administrator III | Microsoft 365 & Power Platform 🚨

Location : Remote 

Duration : 2 months 

W2 ONLY -- NO C2C OR THIR PARTY REFERRALS 

We are looking for an experienced Collaboration Systems Administrator with strong expertise in Microsoft 365, Power Platform, AI Agent Administration, and Enterprise Collaboration Technologies.

The ideal candidate will have hands-on experience managing, securing, and optimizing enterprise collaboration environments, supporting automation initiatives, and driving system improvements.

🔹 Must-Have Skills:

  • 5+ years of Systems Administration experience.

  • Advanced Microsoft 365 administration – Exchange Online, Teams, SharePoint, OneDrive, and Azure AD / Entra ID.

  • Strong experience with Microsoft Power Platform – Power Apps, Power Automate, Dataverse, administration, and governance.

  • Hands-on experience with AI Agent Administration / Agentic AI Solutions.

  • Experience with Microsoft Purview eDiscovery.

  • Strong knowledge of Proofpoint Email Security and Active Directory.

  • Experience handling complex L2/L3 troubleshooting, security configurations, and enterprise integrations.

  • Ability to lead system enhancements, implementations, and process improvements.

🔹 Nice to Have:

  • Microsoft certifications.

  • Power Platform Center of Excellence (CoE) Toolkit and Power Pages.

  • Experience with Zoom, Adobe, Lucid, Smartsheet, or NinjaOne.

  • Experience mentoring technical teams and leading IT projects.

💡 We're looking for someone who is hands-on, technically strong, and comfortable managing complex enterprise collaboration environments.

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