System Administrator

• Set up, configure, maintain, and troubleshoot Linux and Windows servers.
• Manage web servers including Apache and Nginx.
• Perform server installation, migration, upgrades, patching, and routine maintenance.
• Monitor server performance, including CPU, RAM, storage, processes, and network traffic.
• Manage user accounts, permissions, access controls, and system configurations.
• Maintain stable, secure, and highly available production infrastructure.
• Manage cloud infrastructure across AWS, Google Cloud, and Microsoft Azure.
• Configure cloud VMs, storage, networking, firewalls, security groups, and IAM.
• Monitor cloud resource usage and optimize infrastructure performance and costs.
• Configure and troubleshoot LAN/WAN, TCP/IP, DNS, DHCP, VPN, routing, and firewalls.
• Manage connectivity between servers, offices, cloud environments, and external services.
• Implement infrastructure monitoring using Grafana and other monitoring/logging tools.
• Configure alerts and proactively identify infrastructure and performance issues.
• Manage Cloudflare DNS, CDN, SSL/TLS, caching, firewall, and security settings.
• Monitor security events, unusual traffic, and potential infrastructure threats.
• Implement server hardening, access management, and security best practices.
• Manage regular server and database backups and verify backup integrity.
• Support disaster recovery planning and restoration procedures.
• Investigate and resolve server, network, cloud, DNS, SSL, and infrastructure issues.
• Respond promptly to system alerts and infrastructure incidents.
• Collaborate with developers and technical teams on deployment and application-related infrastructure issues.
• Maintain accurate documentation of configurations, incidents, solutions, and infrastructure changes.

• 2–4 years of professional experience in system administration or infrastructure management.
• Strong hands-on knowledge of Linux server administration.
• Working knowledge of Windows Server.
• Practical experience with AWS, GCP, and/or Microsoft Azure.
• Good understanding of Cloudflare and DNS management.
• Experience with Grafana or similar monitoring/observability tools.
• Strong understanding of TCP/IP, DNS, DHCP, VPN, SSL/TLS, routing, and firewalls.
• Experience configuring and managing Apache/Nginx web servers.
• Knowledge of server security, hardening, patching, and access management.
• Experience with server and database backup systems.
• Strong troubleshooting and problem-solving abilities.
• Working knowledge of Microsoft 365.
• Ability to work independently and take ownership of infrastructure operations.

We are looking for a proactive and security-conscious System Administrator who can take ownership of the organization's infrastructure rather than simply respond to issues. The ideal candidate should be comfortable managing servers, cloud environments, networks, monitoring systems, security, and backups while proactively identifying and resolving potential problems before they affect business operations.