IT infrastructure professional with hands-on experience in Windows Server , Active Directory , virtualization , networking , and endpoint security . Skilled in datacenter operations , large-scale backups , automation tools , and technical team supervision . Seeking a Tier 2/3 Systems Administrator role in an MSP/MSSP environment
Administered datacenter, improved uptime, managed servers, security, backups (250TB), and led technical projects. Developed internal web tools for automation (HTML, CSS, JavaScript, PHP, MySQL).
Major achievementImplemented and managed VPN, FTP, PfSense firewall, Active Directory, NAS storage, Hyper-V/VMware. Managed datacenter, networking, IT security, Arista switches, large-scale backups, and developed automation tools.
Technical support for hardware/software, preventive/corrective maintenance, Active Directory, Kaspersky endpoint security, server repair, network configuration, incident resolution.
Major achievementProvided technical support, administered Active Directory, managed endpoint security, repaired servers, and supported IT infrastructure.
Designed access, aggregation, core networks; planned deployments; sized bandwidth; monitored latency, packet loss, congestion.
Major achievementDesigned network architectures, planned FTTH/HFC/wireless deployments, monitored performance, selected technologies and vendors.