Chiamaka N.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

System Administrator and IT Support Specialist with hands-on experience maintaining server uptime, configuring Linux environments, and providing fast-response user support. 🛠️ Linux System Administration & Infrastructure: • Server Setup & Hardening: Ubuntu, CentOS/RHEL, Debian, Nginx, Apache, systemd • Scripting & Automation: Bash scripting, Cron jobs, system task automation • Security & Monitoring: SSH key management, UFW/iptables, SSL certificates, Nagios/Zabbix • User & Access Control: User creation, permissions, sudoers management, LDAP integration 💬 IT Support & Technical Helpdesk • Ticketing Systems: Zendesk, Jira Service Desk, Freshdesk, ServiceNow • Remote Support & Troubleshooting: Anydesk, TeamViewer, VPN setup, network connectivity (TCP/IP, DNS, DHCP) • User Onboarding & Access: Active Directory, Google Workspace, Microsoft 365 administration I specialize in helping small-to-medium businesses keep their systems stable, secure, and user-friendly. Available for short-term fixes, ongoing maintenance, or dedicated support roles.