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  — 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 Power Shell 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 y with next-gen firewall platforms — policy management, rule review, VPNExperience triaging alerts in an EDR or SIEM environment

Solid networking fundamentals — TCP/IP, DNS, DHCP, VLANs, VPNPower

Shell 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 (Forti Gate, Forti Manager, Forti Cloud)
Microsoft Purview DLP experienceSIEM configuration and data source onboarding experience

Microsoft certifications (MS-102, AZ-104, SC-300, or equivalent) are a plus
#J-18808-Ljbffr