Systems Administrator
Listed on 2026-09-05
-
IT/Tech
Systems Administrator, Cybersecurity
Job Details
Job Location:
Shared Service
- Las Vegas, NV 89169
Position Type:
Full Time Education Level: Not Specified Job Shift: Day Job Category:
Information Technology 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
- Deploy and manage Intune - enrollment, compliance policies, configuration profiles, and Autopilot
- Maintain endpoint security posture through EDR tooling, including sensor health and alert response
- 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
- 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
- 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
- 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
- 2-3 years in a systems, infrastructure, or IT engineering role
- Deep, demonstrable M365 experience across the full platform
- Hands-on Intune and Entra
- 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
- Power 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
- Experience with Fortinet platforms (Forti Gate, Forti Manager, Forti Cloud)
- Microsoft Purview DLP experience
- SIEM configuration and data source onboarding experience
- Microsoft certifications (MS-102, AZ-104, SC-300, or equivalent) are a plus
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