Systems

Linux System Administration

Server management, network engineering, and infrastructure operations with CCNA certification foundation.

Server Hardening

Security configuration, access control, and audit logging

Network Engineering

TCP/IP stack, routing protocols, and packet analysis (CCNA certified)

Shell Automation

Bash scripting, cron jobs, and system provisioning

Process Management

Systemd units, resource limits, and daemon supervision

Security & Compliance

Firewall rules, SELinux policies, and intrusion detection

Storage & Filesystems

LVM, RAID configurations, and backup strategies

Competency Map

Production system operations and CCNA-certified networking expertise.

System Operations

Proficient

Managing production Linux environments

Ubuntu/Debian administrationSSH hardeningUser/group managementPackage management (apt)Log analysisSystem monitoringPerformance tuning

Network Infrastructure

Proficient

CCNA 2 certified - routing, switching, and protocol engineering

Routing protocols (OSPF, EIGRP, BGP)VLAN design & trunkingSpanning Tree ProtocolRouter/switch configurationSubnetting & VLSMACL implementationNetwork troubleshootingPacket analysis (Wireshark)

DevOps Practices

Active— current focus

Infrastructure as Code and automation

Bash scriptingSystemd service filesNginx/Apache configSSL/TLS certificatesAutomated backupsMonitoring (Prometheus)CI/CD integrationDisaster recovery