Server administration - Build, maintain, and troubleshoot physical and virtual servers and appliances; perform server hardening, patching, backup monitoring, performance monitoring, and security monitoring using tools such as BigFix, Veeam, SolarWinds, CrowdStrike, and VMware. Backup systems - Implement and oversee large‑scale backup systems using deduplication, replication, and snapshot technologies; maintain onsite/offsite backups, review logs, document recovery plans, and deploy new backup solutions.