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# Infrastructure Engineer

- **Company:** Cetera Financial Group, Inc.
- **Location:** Dallas, TX, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Microsoft Online Services, Information Technology Operations, Windows PowerShell, Cloud Services, Microsoft SharePoint, Microsoft InTune, Deployment Automation
- **Published:** May 28, 2026
- **Apply:** https://www.dice.com/job-detail/16c836be-a012-4e21-b8ad-3c321301e221

## About the Role

5+ years of overall IT experience
3+ years administering Microsoft 365 at a Global Administrator level
Hands-on experience across core M365 services (Exchange, Entra ID, Teams, Intune, etc.)
Experience managing multiple tenants (MTO, MSP, or multi-entity environments)

Preferred Skills & Experience:

Strong experience managing Microsoft 365 native environments (Entra-joined devices, Intune MDM, Autopilot)
Expertise in cross-tenant access, B2B collaboration, and tenant segmentation (administrative units, scope tags, security groups)
Solid understanding of email flow and security integrations (e.g., Proofpoint)
Proficient in PowerShell and automation for administration and troubleshooting
Strong ownership mindset with the ability to work independently and collaboratively in a fast-paced environment

## Description

In this role, you will serve as a subject matter expert and Global Administrator, managing a multi-tenant Microsoft 365 environment (MTO) while ensuring reliability, security, and continuous improvement of the platform. You will also partner closely with IT Operations to resolve complex issues and drive strategic enhancements., Administer and support Microsoft 365 services, including Exchange Online, Entra ID, Defender, Purview, Intune, Teams, OneDrive, and SharePoint Online
Manage and optimize multi-tenant environments (MTO), including cross-tenant collaboration, identity synchronization, and governance
Oversee endpoint provisioning and lifecycle management using Intune, Entra ID, and Windows Autopilot
Provide advanced troubleshooting and escalated support using tools such as PowerShell, Microsoft Graph, and admin portals
Partner with IT Operations on projects, enhancements, and incident resolution
Troubleshoot access and cloud service issues, ensuring end-to-end resolution and validation
Drive platform improvements and changes through structured change management processes
Maintain detailed documentation and knowledgebase resources


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