Systems Administrator

The Siegel Group (TSG) is a privately held real estate investment and management company based in Las Vegas, Nevada. For more than two decades, TSG has acquired, repositioned, developed, and self-managed real estate assets throughout the United States. With a diverse portfolio spanning multiple brands and industries, we are continuing to grow and are looking for positive, hardworking, growth-minded people to grow with us.

We’re a small, efficient IT team looking for a self-starter who can own their domains without constant direction. This is a hands-on build-and-operate role across our M365, endpoint, and network security stack. You’ll need 2–3 years of real experience and the ability to hit the ground running.

Microsoft 365 & Identity

• Deep administration of the M365 platform — Exchange Online, SharePoint, Teams, and related services
• Administer Entra ID — user lifecycle, Conditional Access, MFA enforcement, and role assignments
• Configure and manage Purview DLP policies across M365 surfaces and endpoints
• Conduct access reviews, enforce least-privilege, and maintain license and role documentation

Endpoint Management

• Deploy and manage Intune — enrollment, compliance policies, configuration profiles, and Autopilot
• Maintain endpoint security posture through EDR tooling, including sensor health and alert response

Network & Firewall

• Manage next-gen firewall (Fortinet) policy configuration and change requests across all sites
• Centralized policy management and cloud-based visibility across distributed network infrastructure
• Support VPN, segmentation, patching, and firmware updates

Security & Alert Operations

• Monitor, triage, and respond to network and security alerts across endpoint, firewall, and SIEM platforms
• Investigate events, clear false positives, escalate confirmed incidents, and document dispositions
• Support SIEM configuration, data source onboarding, and alert rule management
• Support vulnerability tracking, remediation coordination, and incident response activities

Helpdesk Escalation & Documentation

• Serve as a technical escalation point for Tier 1/2 helpdesk issues beyond basic troubleshooting
• Create and maintain runbooks, how-to guides, and knowledge base articles
• Contribute to asset inventory accuracy and configuration management records

General Operations

• Write and maintain PowerShell scripts for automation and administration
• Keep documentation, runbooks, and change records current
• Mentor and train team members across platforms and processes, building shared capability so the team can operate effectively at scale

Required Qualifications

• 2–3 years in a systems, infrastructure, or IT engineering role
• Deep, demonstrable M365 experience across the full platform
• Hands-on Intune and Entra ID experience
• Familiarity with next-gen firewall platforms — policy management, rule review, VPN
• Experience triaging alerts in an EDR or SIEM environment
• Solid networking fundamentals — TCP/IP, DNS, DHCP, VLANs, VPN
• PowerShell scripting
• Self-directed with strong follow-through — comfortable owning problems in a lean environment
• Must be available after hours as needed for emergencies and escalations

Preferred Qualifications

• Experience with Fortinet platforms (FortiGate, FortiManager, FortiCloud)
• Microsoft Purview DLP experience
• SIEM configuration and data source onboarding experience
• Microsoft certifications (MS-102, AZ-104, SC-300, or equivalent) are a plus