Systems Administrator

The Siegel Group; Las Vegas (NV); On-site; USD 85,000 - 110,000; Full time

Job summary

The Siegel Group in Las Vegas seeks an IT Infrastructure Engineer to own and operate our M365, endpoint, and network security stack. This hands-on role requires initiative and the ability to hit the ground running in a lean environment.

You will manage Exchange Online, SharePoint, Teams, Entra ID, Purview DLP, and Intune, configure Fortinet firewalls, monitor security alerts, and develop PowerShell automation to keep systems current and efficient.

Qualifications

• 2–3 years in a systems, infrastructure, or IT engineering role.
• Hands-on experience with M365, Intune, Entra ID.
• Experience triaging alerts in an EDR or SIEM environment.
• Fortinet firewall policy management is a plus.

Responsibilities

• Administer M365 platform and related services.
• Configure Entra ID, DLP policies, and licensing.
• Maintain endpoint posture and Intune configuration.
• Monitor security alerts and respond to incidents.
• Develop PowerShell automation and runbooks.

Skills

Self-directed

Problem solving

Strong follow-through

Tools

Microsoft 365 (M365)

Intune

Entra ID

Purview DLP

Fortinet FortiGate

EDR/SIEM tooling

PowerShell

Job description

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 & IdentityDeep administration of the M365 platform — Exchange Online, SharePoint, Teams, and related servicesAdminister Entra ID — user lifecycle, Conditional Access, MFA enforcement, and role assignmentsConfigure and manage Purview DLP policies across M365 surfaces and endpointsConduct access reviews, enforce least-privilege, and maintain license and role documentationEndpoint ManagementDeploy and manage Intune — enrollment, compliance policies, configuration profiles, and AutopilotMaintain endpoint security posture through EDR tooling, including sensor health and alert responseNetwork & FirewallManage next-gen firewall (Fortinet) policy configuration and change requests across all sitesCentralized policy management and cloud-based visibility across distributed network infrastructureSupport VPN, segmentation, patching, and firmware updatesSecurity & Alert OperationsMonitor, triage, and respond to network and security alerts across endpoint, firewall, and SIEM platformsInvestigate events, clear false positives, escalate confirmed incidents, and document dispositionsSupport SIEM configuration, data source onboarding, and alert rule managementSupport vulnerability tracking, remediation coordination, and incident response activitiesHelpdesk Escalation & DocumentationServe as a technical escalation point for Tier 1/2 helpdesk issues beyond basic troubleshootingCreate and maintain runbooks, how-to guides, and knowledge base articlesContribute to asset inventory accuracy and configuration management recordsGeneral OperationsWrite and maintain PowerShell scripts for automation and administrationKeep documentation, runbooks, and change records currentMentor and train team members across platforms and processes, building shared capability so the team can operate effectively at scaleRequired Qualifications2–3 years in a systems, infrastructure, or IT engineering roleDeep, demonstrable M365 experience across the full platformHands-on Intune and Entra ID experienceFamiliarity with next-gen firewall platforms — policy management, rule review, VPNExperience triaging alerts in an EDR or SIEM environmentSolid networking fundamentals — TCP/IP, DNS, DHCP, VLANs, VPNPowerShell scriptingSelf-directed with strong follow-through — comfortable owning problems in a lean environmentMust be available after hours as needed for emergencies and escalationsPreferred QualificationsExperience with Fortinet platforms (FortiGate, FortiManager, FortiCloud)Microsoft Purview DLP experienceSIEM configuration and data source onboarding experienceMicrosoft certifications (MS-102, AZ-104, SC-300, or equivalent) are a plus