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System Administrator

Cybersecurity and Information Technology Services and Consulting
San Diego, CA Full Time
POSTED ON 1/8/2026
AVAILABLE BEFORE 2/6/2026

Company Description

CITSC, LLC is a veteran-owned IT and cybersecurity services and consulting firm, specializing in Risk and Vulnerability Management, Network Systems, Artificial Intelligence (AI) Technology, and Cloud Services. The company serves Federal, State, Local government, and private sector clients with innovative and secure solutions. With a commitment to addressing the most pressing challenges, CITSC, LLC is dedicated to delivering exceptional quality in every project. Our expertise and customer-focused approach make us a trusted leader in the IT and cybersecurity industry.


Role Description

This is a full-time hybrid role for a System Administrator based in San Diego, CA or Rio Rico, Arizona with some flexibility to work remotely. Responsibilities include managing and maintaining IT/OT systems, diagnosing and troubleshooting technical issues, providing technical support to users, and ensuring the security and integrity of network systems. The System Administrator will collaborate closely with the IT/OT team and stakeholders to ensure the optimal performance of the organization's technical infrastructure in an OT environment.


Qualifications

  • Proficiency in System Administration, including managing and maintaining servers and operating systems
  • VmWare Certification Required
  • OT/IT experience
  • Strong Troubleshooting and Technical Support skills to diagnose and resolve hardware and software issues
  • Comprehensive knowledge in Information Technology systems and tools
  • Strong organizational skills, attention to detail, and the ability to work both independently and collaboratively
  • Relevant certifications such as CompTIA Network , CompTIA Security , or similar are a plus

Salary.com Estimation for System Administrator in San Diego, CA
$84,178 to $106,737
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