Operate monitoring and alerting infrastructure using Zabbix and related tools. Define monitoring coverage for servers, networks, services, certificates, backups, storage, and cloud resources. Develop Bash scripts and other automation for provisioning, maintenance, monitoring, and incident response. Manage user accounts, permissions, SSH access, privileged access, service accounts, and access revocation. … VLANs, NAT, DNS, DHCP, and VPN technologies. Experience configuring and maintaining firewalls, routers, switches, and wireless networks. Strong Ubuntu and Linux administration skills. Strong Bash scripting skills. Experience managing Linux services, systemd, package management, storage, networking, permissions, and logs. Practical AWS administration experience. Understanding of AWS networking, IAM, security ...