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Junior Systems Administrator

Job in Irvine, Orange County, California, 92713, USA
Listing for: Rand Technology
Full Time position
Listed on 2026-02-24
Job specializations:
  • IT/Tech
    IT Support, Systems Administrator
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Description Role Summary

Summary and overall objectives of the job.

The Junior Systems Administrator provides day-to-day technical support for a Windows-based environment. This role is ideal for an IT professional with prior help desk or IT support experience who is ready to grow into systems administration responsibilities, including light server management, Azure administration, and infrastructure/network troubleshooting. The position works closely with Infrastructure & Cybersecurity Manager to ensure reliable, secure, and efficient technology operations.

Essential

Functions
  • Provide technical support for end users across hardware, software, and network-related issues in a Windows environment.
  • Assist with administration and maintenance of Windows servers, including basic patching, monitoring, and troubleshooting.
  • Support Active Directory and our IDP for user and group management, permissions, and account provisioning/deprovisioning.
  • Perform routine IT operational tasks such as workstation setup, imaging, and software deployment.
  • Assist with Azure and Microsoft 365 administration (e.g., Azure AD/Entra , user access, cloud services).
  • Troubleshoot networking issues involving DNS, DHCP, VPN connectivity, and LAN/WAN access.
  • Help maintain documentation for systems, procedures, and support workflows.
  • Participate in infrastructure projects, upgrades, and security initiatives as needed.
  • Handle complex technical issues and expedite to senior administrators while continuing to learn and contribute.
Core Competencies
  • Working knowledge of Windows desktop and server environments
  • Familiarity with Active Directory and basic identity/access management
  • Strong troubleshooting and customer service mindset
  • Understanding of core networking concepts (TCP/IP, DNS, DHCP, VPN)
  • Exposure to cloud platforms such as Microsoft Azure and Microsoft 365
  • Ability to manage multiple support requests in a fast-paced environment
  • Strong communication skills with both technical and non-technical users
  • Desire to grow into infrastructure and systems administration work
  • Organized, detail-oriented, and able to follow IT best practices
Requirements
  • Associate or Bachelor's degree in Information Technology, Computer Science, or related field preferred (or equivalent practical experience).
  • 1–3 years of experience in an IT Support, Help Desk, or Technical Support role.
  • Experience supporting Windows-based environments required.
  • Exposure to server administration, networking, or cloud platforms is a plus.
  • Ability to lift and move IT equipment up to approximately 25–50 pounds as needed.
  • Ability to sit, stand, and work at a computer for extended periods.
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