Terrance Robotham (TJR)

Linux · Networks · Hardware

TerranceRobotham(TJR)

Linux Systems & Network Engineer / Hartsville, SC

I keep production systems running: Linux servers, virtualization, containers, DNS, mail and the networks underneath, from a colo rack I can't touch to the VLANs in my own lab.

git log --me
Open to remote Hartsville, SC Network operator · AS·····
U1 · edgeMy own Autonomous System AS·····
U2 · uptimeYears of hands-on technical work 19
U3 · csatCustomer satisfaction at cPanel 9.0+
U4 · gitPublic GitHub repositories 225+

$ git log --graph --author="TJR"

Experience, most recent first

Production hosting support, industrial controls and RV service. Different machines, same habit: find the fault and fix it.

  1. commit 7f3a9c1(HEAD → main)2024 — present

    Parts Manager

    Blue Compass RV / Browns RV Superstore · McBee, SC

    • Manage inventory systems and coordinate with multiple vendors in a high-volume retail environment.
    • Troubleshoot and resolve operational and system issues quickly to keep work flowing and downtime low.
    inventoryvendorsoperations
  2. commit 4be20d82019 — 2024

    Service Technician

    Browns RV Superstore · McBee, SC

    • Diagnosed and repaired complex electrical and control systems using systematic troubleshooting.
    • Earned RVIA Level 1 RV Technician certification (2021).
    electricalcontrolsdiagnostics
  3. commit c9d1e55(tag: analyst-iii)2015 — 2018

    Linux Technical Analyst III

    cPanel · Remote / Houston, TX

    1. Linux Technical Analyst IIIFeb 2018 — Apr 2018
    2. Linux Technical Analyst IIJul 2016 — Feb 2018
    3. Linux Technical AnalystMay 2015 — Jul 2016
    • Delivered remote technical support for Linux web hosting environments: web servers, databases, networking and security layers.
    • Consistently achieved 9.0+ customer satisfaction scores while managing high-volume ticket queues.
    • Troubleshot and resolved performance issues, outages and complex configuration problems.
    • Created and maintained internal documentation and knowledge base articles to improve team efficiency.
    • Promoted twice in under three years.
    cpanel/whmapacheeximbindmysql
  4. commit 1a07f3e2007 — 2012

    Conveyor Technician

    Affordable Conveyor Services · Bristol, CT

    • Installed, maintained and repaired conveyors, cranes, VRCs, enclosed track systems, and package and baggage handling systems.
    • Worked on PLCs and VFDs, including Allen-Bradley / Rockwell Automation and Baldor motors and controllers.
    • Licensed R8 Conveyor Journeyman (Connecticut DCP, 2010).
    plcvfdmaterial handling
  5. commit 0000001(tag: init)2007 — 2008

    Maintenance

    Lake Compounce · Bristol, CT

    • Maintenance, repair and installation of rides and buildings across the park.

$ systemctl list-units --type=skill --state=running

Skills, all active

linux.service

Linux & Unix systems

Active: active (running)

Install, harden, update and troubleshoot servers across distros, plus BSD and Windows.

Debian / UbuntuRHEL / Alma / RockyCloudLinuxGentooFreeBSDWindows
pve.service

Virtualization

Active: active (running)

Architect and run virtualized Linux environments.

Proxmox VEKVMQEMULXC
containerd.service

Containers & automation

Active: active (running)

Deploy containerized services and automate the repetitive work.

DockerPodmanKubernetesAnsible
network.service

Networking

Active: active (running)

Segmented, routed networks, up to my own Autonomous System.

IPv4 / IPv6VLANsBGP / ASNFirewallsDHCPUniFi
wg-quick@wg0.service

VPN & remote access

Active: active (running)

Secure remote access to labs and colocated servers.

WireGuardZeroTierSSH
httpd.service

Web & hosting

Active: active (running)

Production web stacks and shared hosting platforms.

ApacheNginxPHPcPanel & WHM
named.service

DNS

Active: active (running)

Authoritative DNS and the zones that keep everything else reachable.

BINDPowerDNSDNSBL
exim.service

Mail

Active: active (running)

Mail servers that deliver, and the DNS records that back them up.

EximDovecotSPF / DKIM / DMARC
mariadb.service

Databases

Active: active (running)

The data layer behind hosted sites and services.

MySQL / MariaDBPostgreSQL
vault.service

Security

Active: active (running)

Hardening, identity and secrets management.

SSH hardeningLDAPHashiCorp Vault
bash.service

Scripting

Active: active (running)

Automation and tooling, from one-liners to services.

Bash (advanced)PythonGo
hardware.service

Hardware & electronics

Active: active (running)

Electronics-trained, with years on industrial controls and a habit of opening things up.

Hardware hackingSerial consolesPLCs / VFDs12V / 120V

$ ls ~/lab

Projects & infrastructure

Systems I design and run myself.

~/lab/homelab

Homelab & self-hosting

  • Virtualized Linux environment on Proxmox, QEMU and KVM.
  • Containerized services on Docker, Podman and Kubernetes, automated with Ansible and Bash.
  • Secure remote access over WireGuard and ZeroTier.
~/lab/unifi

Segmented network (UniFi)

  • VLANs isolate IoT, guest and core systems.
  • Firewall rules, DHCP, switching and wireless tuned for reliability and security.
~/lab/colo

Colocated servers

  • Production Linux servers in a remote data center with no physical access.
  • Updates, hardening, monitoring and proactive fixes for maximum uptime.
~/lab/asn

My own Autonomous System

  • Holder of AS····· on the public internet.
  • Own routing policy, address space and BGP sessions.

$ ls -l /etc/certs/tjr/

Education & certifications

total 5
modeyearnameissued by
-r--r--r--2006electronics-certificateBristol Technical Education Center (2-year program)
-r--r--r--2010r8-conveyor-journeymanConnecticut Dept. of Consumer Protection
-r--r--r--2011osha-10OSHA
-r--r--r--2021rv-technician-level-1RV Industry Association (RVIA)
-r--r--r--2021gitlab-101GitLab

$ mail -s "Let's talk" trobotham@airpost.pw

Let's connect

Open to remote roles in Linux systems, hosting and network operations. Email is the fastest way to reach me.