Demo

System Administrator

Lensa
Brea, CA Full Time
POSTED ON 1/8/2026
AVAILABLE BEFORE 2/6/2026
Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for Insight Global. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice.

Job Description

The System Administrator is responsible for designing, implementing, and managing local area networks (LANs), wide area networks (WANs), as well as cloud and remote networks. This role involved installing, upgrading, and monitoring both software and hardware, and core infrastructure, including operating systems, business applications, security tools and appliances, web servers, email systems, laptops and desktop PCs, and phones.

Key Responsibilities

  •  Configure and manage Azure resources, including Virtual Networks, VMs, Storage, Backup & Site Recovery, security, and identity management.
  •  Administer and maintain Microsoft Entra ID, Group Policy Objects, O365/Exchange Online, Teams, OneDrive, SharePoint, and Intune.
  •  Monitor, patch, and secure systems in alignment with SOC 1 and internal security policies.
  •  Oversee endpoint management solutions, including MDM, DLP, SentinelOne, and Cisco Umbrella.
  •  Optimize and monitor cloud performance using Azure Monitor, Azure Automation, and PowerShell.
  •  Troubleshoot and resolve cloud infrastructure issues across production, development, and staging environments.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Skills And Requirements

  •  4 years of professional experience in system administration or related IT roles.
  •  Demonstrated expertise in Microsoft Azure cloud services, including configuration, administration, and ongoing support.
  •  Proficiency in Microsoft Entra ID, Microsoft 365 administration, Intune, and Purview.
  •  Hands-on experience supporting remote access solutions, including VPN technologies and Azure Virtual Desktop.
  •  Strong understanding of endpoint protection platforms (e.g., SentinelOne) and enterprise security controls.
  •  Knowledge of threat detection, triage, and containment procedures, with practical experience in incident response.
  •  Familiarity with Security Information and Event Management (SIEM) platforms for monitoring and log analysis.
  •  Working knowledge of Cisco Umbrella and cloud-based security solutions.
  •  CompTIA Security
  •  CompTIA Network
  •  Microsoft Certified: Azure Administrator Associate (AZ-104)
  •  Microsoft 365 Certified: Modern Desktop Administrator Associate (MD-102)

If you have questions about this posting, please contact support@lensa.com

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