Cesar Portillo

Network Systems Administrator at ACE Charter Schools
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Contact Information
us****@****om
(386) 825-5501
Location
San Jose, California, United States, US
Languages
  • Spanish Native or bilingual proficiency

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Credentials

  • Google Cybersecurity Specialization
    Coursera
    Jun, 2023
    - Nov, 2024

Experience

  • ACE Charter Schools
    • United States
    • Education Management
    • 1 - 100 Employee
    • Network Systems Administrator
      • Jul 2019 - Present

      •Network Infrastructure Management: Design, deploy, and maintain network infrastructure components including, IP Phones, AV equipment, Switches, Routers & Firewalls across 5 sites.•System Administration: Configure and manage permissions, access controls, servers, OS, and applications.•Network Performance Optimization: Analyse network metrics and optimize network efficiency to improve availability, throughput, and utilization in support of over 1500+ devices and 1000+ users.•Network Security: Implement and monitor security measures to protect networks and maximize uptime.•Network Monitoring and Troubleshooting: Monitor network performance and logs, identify issues, and resolve them promptly.•User Support: Assist 1000+ users with network, and system-related inquiries and technical issues.•Administer the company’s website to stay in compliance with laws and regulations.•Network Upgrades and Expansion: Plan and execute network upgrades, updates, and expansion projects.•Collaboration and Teamwork: Work with cross-functional teams to support network and project requirements. Show less

    • IT Specialist
      • Jul 2012 - Jul 2019

       Supervise maintenance of 1000 plus computer systems and ensured functional inter and intra net networking on all systems at all times. Installation and updating of software, as well as the setup and troubleshooting of all equipment Maintained user database interface fully updated and functional. Provide aid in setting up multimedia, installation of relevant software for proper functioning and troubleshooting. Responsible for Internet filtering via White-listed and Black-listed. Also created special groups with internet-usage rules. Researched, analyzed, and tested applications and system software for user compatibility. Provided technical support for smartphones and hand-held devices. Use Active Directory in creating objects, groups, giving permissions and to approved users to access the network. Resolve account creation requests, password reset/unlock(Active Directory) Software/hardware installation requests, imaging/ reimaging workstations, data backup/recovery requests(File Server/Google Drive/Dropbox) Network setup requests(Server 2008/2003) Desktop/laptop/printer/scanner troubleshooting requests Cisco VoIP troubleshooting/ setup. Active Directory, Windows Server and Google Admin knowledge to perform administration and properly route requests. Maintained user accounts and network access using Active Directory/ G Suites Installed and maintained company's computer systems and network. Performed upgrades and installed updates. Completed troubleshooting and repair when computers had problems. Assisted office staff with computer application questions. Show less

Education

  • San Jose State University
    Computer Network System Management, Business Management Minor from San Jose State University, Computer/Information Technology Administration and Management
    2016 - 2019

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