Senior IT System Administrator

Stability Technology; Irvine (CA); Remote; USD 80,000 - 110,000; Full time

Job summary

An established industry player is looking for a Senior IT Systems Administrator to join their dynamic team. This role offers the opportunity to work primarily remotely while managing and supporting enterprise systems. You will be responsible for the administration of Windows Server environments, VMware, and Microsoft 365, as well as implementing single sign-on solutions like OKTA. The ideal candidate will have a strong technical background and a passion for troubleshooting and optimizing IT operations. If you are ready to take on a challenging role that allows you to make a significant impact in a collaborative environment, this position is perfect for you.

Qualifications

• 3-5 years of hands-on experience in IT systems administration.
• Proficient in managing Windows Server and VMware.

Responsibilities

• Administer and maintain Windows Server and VMware environments.
• Implement and manage single sign-on solutions and Microsoft Intune.

Skills

Windows Server Management

VMware

AWS

Microsoft 365

Entra ID

Citrix

PowerShell Scripting

Single Sign-On (SSO)

Tools

Microsoft Intune

OKTA

Job description

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Technical Recruiting Manager at Stability Technology

This position requires infrequent visits to our client's office in Irvine, CA (95% remote).

We are seeking a highly skilled Senior IT Systems Administrator. The ideal candidate will have a strong background in managing and supporting enterprise systems, including Windows Server environments, VMware, AWS, Entra ID, Microsoft 365, Intune, and Citrix. Additionally, experience with single sign-on (SSO) solutions, preferably OKTA, is highly desirable. The role requires expertise in system administration, maintenance, upgrades, troubleshooting, and issue resolution to ensure seamless IT operations.

Key Responsibilities:

System Administration and Maintenance:

• Administer, configure, and maintain Windows Server environments (all versions).
• Manage and optimize virtualized environments using VMware.
• Oversee hybrid Active Directory and Entra ID cloud environments through advanced command-line scripting.
• Develop PowerShell scripts and implement Infrastructure as Code (IaC) to enhance the security and scalability of hybrid network environments.
• Manage Microsoft 365 services, ensuring high availability and performance.
• Implement, configure, and maintain single sign-on solutions, preferably with OKTA.
• Administer and troubleshoot Citrix environments for application delivery and desktop virtualization.
• Manage Microsoft Intune and Autopilot for Azure automated Zero Touch Deployment for cloud infrastructure and asset management.

Upgrades and Patch Management:

• Plan and execute system upgrades and patches to maintain security and performance.
• Conduct proactive monitoring and capacity planning for IT infrastructure.

Troubleshooting and Issue Resolution:

• Diagnose and resolve complex system and network issues promptly.
• Collaborate with internal teams to resolve escalated IT support requests.
• Document procedures, configurations, and incident resolutions in a knowledge base.

Qualifications and Skills:

Technical Expertise:

• Proficient in managing Windows Server (all versions).
• Strong experience with VMware virtualization technologies.
• Hands-on experience with AWS and Azure Active Directory.
• Knowledge of Microsoft 365 administration and services.
• Familiarity with single sign-on (SSO) solutions, preferably OKTA.
• Proficiency with Citrix environments for application and desktop delivery.

Experience:

• 3–5 years of hands-on experience in IT systems administration.
• Demonstrated experience with enterprise-level IT tools and environments.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• IT Services and IT Consulting, Information Services, and Technology, Information and Media