I’ve listed my IT proficiencies by category.

Skill levels are represented by a ⭐-rating of 1 through 3. One-star would mean hands-on experience or beginner experience, and three stars would mean some degree of subject matter expertise.

Operating Systems

Linux

• RHEL, Arch Linux, Debian, Fedora ⭐⭐⭐
• Ubuntu, OpenSUSE ⭐⭐
• Desktop support (KDE Plasma, GNOME) ⭐⭐⭐
• Bash (shell scripting) ⭐⭐
• Services management (systemd, services, timers, cronjobs) ⭐⭐
• System hardening (Apparmor, SELinux, firewalld) ⭐
• Filesystems (BTRFS, EXT4) ⭐⭐
• Encryption (LUKS, systemd-cryptenroll) ⭐⭐
• Virtualization (KVM/QEMU) ⭐⭐
• Networking (NetworkManager, ss, dnsmasq) ⭐⭐

FreeBSD

• FreeBSD ⭐
• Filesystems (ZFS) ⭐

MacOS

• Desktop support ⭐⭐
• Jamf ⭐

Windows

• Windows 10, Windows 11 ⭐⭐⭐
• Windows Server ⭐⭐
• Active Directory ⭐⭐
• Powershell (shell scripting) ⭐⭐
• Desktop support ⭐⭐⭐

System Administration

• TCP/IP LAN Networks L3, Routing, Subnetting ⭐⭐
• TCP/IP LAN Networks L2, Switching, VLANs ⭐⭐
• Cisco IOS ⭐⭐
• Ubiquiti EdgeMAX ⭐⭐
• Ubiquiti Unifi ⭐
• VMware ESXi ⭐
• Linux KVM/QEMU ⭐⭐
• Nagios Core, SNMP ⭐
• ServiceNOW ⭐⭐⭐
• GNS3 ⭐
• Active Directory ⭐⭐
• Wireshark ⭐
• nmap ⭐⭐
• SCCM ⭐
• OpenSSH, key authentication ⭐⭐
• Bomgar, BeyondTrust ⭐⭐⭐
• VNC, RDP ⭐⭐
• Vi, Vim, nano ⭐⭐
• Cloudflare Zero Trust ⭐
• Wireguard, OpenVPN ⭐
• DNS (dnsmasq, BIND) ⭐
• Online hosting ⭐
• Disk Encryption (LUKS, BitLocker, Filevault, GELI) ⭐

Scripting Languages

• UNIX shell (bash, zsh) ⭐⭐
• Python ⭐
• Powershell ⭐