Senior Infrastructure Engineer

Key ResponsibilitiesMaintain and support virtual servers both on-premises and in the cloud (Microsoft Azure, GCP, VMware).Monitor and validate backups, troubleshoot incidents, and escalate complex issues when needed.Support help desk teams by resolving system and infrastructure escalations.Administer on-premises infrastructure including Active Directory, Windows Server 2022, Linux servers (Ubuntu), and application/web servers.Manage Office 365 email accounts and Azure services.Monitor and maintain firewalls (ASA) and switches.Install and maintain IIS web servers; configure Apache/Nginx where required.Apply system patches, security updates, and SSL certificate renewals.Ensure high availability through clustering, load balancing, and redundancy configurations.Maintain infrastructure services such as DNS, DHCP, Certificate Authority, and file servers.Document procedures and contribute to knowledge sharing.Technical RequirementsCore Skills:Cloud administration experience (Microsoft Azure and/or Google Cloud Platform).Strong Linux administration (Ubuntu) and Windows Server 2022 skills.VMware vSphere hands-on experience.Scripting ability (PowerShell, Bash).Knowledge of networking fundamentals (Layer 2/Layer 3, VLANs, routing, switching).Familiarity with web servers (IIS, Apache), SSL/TLS management, and HAProxy.Backup and recovery experience (Veeam, SAN/NAS storage systems).Monitoring tools experience (e.g., Zabbix).Additional/Preferred Skills:Familiarity with Docker, Git, GitHub.Knowledge of Microsoft SQL Server administration.Experience with Windows Server clustering and Linux HA.