IT Systems Administrator - Hybrid Infra & Security

Intellisense Systems Inc; Torrance (CA); On-site; USD 99,000 - 129,000; Full time

Benefits offered by this job

4 Weeks PTO

Medical Insurance

401(k) Matching

Tuition Assistance

EAP

Job summary

Intellisense Systems, Inc. is seeking a skilled IT Systems Engineer to support and secure a hybrid Microsoft environment, including Azure Government and Microsoft 365 GCC High, with responsibilities spanning on-prem and cloud platforms.

You will handle infrastructure, cybersecurity, and Tier II/III support, balancing workloads as needs shift. The role requires 5+ years of experience in enterprise Windows/Azure environments, with strong AD, GPO, and security tool expertise.

Qualifications

• 5+ years of progressive experience administering enterprise Windows Server and Microsoft Azure environments.
• Proficient in Active Directory, GPO, Windows Servers, PowerShell Scripting, DNS, and Veeam.
• Experience with Entra ID, Conditional Access, Intune, SharePoint, Exchange Online, Microsoft 365, general storage, Veeam and Server technologies.

Responsibilities

• Monitor, administer, maintain, and troubleshoot on-prem environment including AD, GPOs, DNS, Windows Server 2016–2025, Hyper-V cluster, and Veeam backups.
• Monitor, administer, maintain, and troubleshoot cloud environment including Azure Government IaaS, Entra ID, SharePoint, and other Microsoft 365 GCC High applications.
• Administer and optimize workloads hosted in Azure Government, including Azure Virtual Desktop, virtual networking, and site-to-site VPN connectivity.
• Assist efforts to migrate local file storage to SharePoint.
• Manage endpoints through Intune, including Settings Catalog configuration and compliance policies.
• Use NinjaOne RMM for patch management, scripting, and remote support.
• Administer endpoint security including CrowdStrike Falcon EDR and BitLocker encryption.
• Support engineering and lab applications (MATLAB, Zemax, OceanView, SolidWorks, IBM DOORS) and their license servers.
• Triage and respond to security alerts, implement containment actions, and follow incident response plans.
• Document and elevate incidents with history, status and impact for remediation actions.

Skills

Active Directory

PowerShell

Windows Server

Azure Government

Microsoft 365

Entra ID / Conditional Access

Intune

SharePoint

Exchange Online

Networking / DNS

Veeam

SIEM

Linux (Ubuntu)

NinjaOne RMM

CrowdStrike Falcon EDR

Dell iDRAC

Tools

NinjaOne RMM

CrowdStrike Falcon EDR

Dell iDRAC

Veeam

Job description

Intellisense Systems, Inc. is seeking a skilled IT Systems Engineer to support and secure a hybrid Microsoft environment, including Azure Government and Microsoft 365 GCC High, with responsibilities spanning on-prem and cloud platforms.

You will handle infrastructure, cybersecurity, and Tier II/III support, balancing workloads as needs shift. The role requires 5+ years of experience in enterprise Windows/Azure environments, with strong AD, GPO, and security tool expertise.