System Administrator

Role Summary

• Strong hands-on experience with Windows Server 2016/2019/2022.
• Good experience with Linux/Ubuntu server administration.
• Strong knowledge and understanding of Active Directory, Group Policy, DNS, DHCP,  SSL/TLS certificates, TCP/IP, VLAN, routing, VP N, LAN/WAN and network troubleshooting.
• Experience with Hyper-V virtualization environments.
• Knowledge of Cisco, Sophos, Fortinet, or similar firewalls.
• Exposure to disaster recovery, high availability
• Hands-on experience with Veeam enterprise backup solutions.
• Experience with Microsoft 365 administration.
• Good knowledge of firewall administration and security concepts.
• Experience with server monitoring and capacity management.
• Troubleshooting experience in production environments.

• Administer and maintain Windows and Linux production servers.
• Manage Active Directory, Group Policy, DNS, DHCP, user accounts and access controls.
• Perform server hardening, patch management, upgrades, and security remediation.
• Manage and troubleshoot Hyper-V virtualization environments.
• Monitor server performance, availability, capacity, and system health.
• Manage backup and disaster recovery infrastructure, including backup monitoring and restoration testing.
• Administer and troubleshoot Microsoft 365, including users, licenses, mailboxes, security and access policies.
• Manage and troubleshoot firewalls, VPN, LAN/WAN, routing, VLANs and network connectivity.
• Work with security and infrastructure teams on endpoint/server security and access-control policies.
• Manage SSL certificates, server services, DNS records and related infrastructure components.
• Support web/application infrastructure, including Plesk/cPanel, web servers and database connectivity where required.
• Manage AWS/Azure infrastructure and coordinate with cloud service providers.
• Troubleshoot critical production incidents and perform root-cause analysis.
• Plan and execute server migrations, upgrades, infrastructure changes and technology refresh projects.
• Implement and maintain IT security best practices and infrastructure policies.
• Maintain infrastructure documentation, network/server diagrams, SOPs and asset records.
• Coordinate with application teams, vendors, ISP/cloud providers and other stakeholders.
• Ensure availability, performance, security and reliability of IT infrastructure.
• 6 days working