The Systems Administrator / IT Systems Specialist will provide hands-on support for IT infrastructure including servers, networks, business applications, and end-user devices. Key responsibilities include managing support tickets, performing system maintenance and patching, administering Microsoft technologies (Windows Server, Active Directory, Microsoft 365, Azure AD), supporting VMware virtualization and backup/restore operations, and troubleshooting network connectivity issues.… The role requires 4+ years of IT support or systems administration experience, working knowledge of Microsoft infrastructure and virtualization platforms, and strong troubleshooting skills. This is an on-site position in San Diego, CA requiring travel to Mexico approximately once monthly.