Joseph Townsend Crist
Location: 19006 Stamford, Livonia, MI 48152
Phone: 734-890-8734
Email: joseph.t.crist@gmail.com
Website: https://jtc.koba.ninja
Table of Contents
Objective
A Principal Network Architect role designing, developing, securing, managing, monitoring, and continuously improving a network using automation tools and infrastructure as code to deliver byzantine robust and secure network services.
Summary of Qualifications
Wireless Infrastructure Engineer - 2022-2023
Managed a project to deploy 90+ wireless bridges and access points across a campus network.
GitOps Infrastructure as Code Automation Developer - 2020-2023
Developed infrastructure as code projects using GitLab CI build pipelines to deploy AAA and DHCP containerized applications, and network configuration. This resume was also generated using a Gitlab CI pipeline.
Kubernetes Developer - 2022
Developed a project for running an on-premise Kubernetes cluster.
Application Developer - 2022
Developed a network application for streaming real-time audio between hosts over a network, and a web application for on-boarding devices to the network.
Systems Integration Engineer - 2021-2023
Integrated a custom Linux network operating system and sotware package manger onto switches for an out of band network management system.
Network Performance Engineer - 2021-2023
Provided network support and testing for pixel streaming GPU workloads to remote thin clients.
Cloud Radio Relay Network Engineer - 2021-2022
Became an Internet service provider and owner of an Autonomous System Number to anchor a radio relay network to the cloud for bridging emergency radio communications to the Internet.
Cloud VPN Network Engineer - 2019
Developed and managed a project to stream voice and video data feeds between clients over a cloud VPN.
Video Streaming Network Engineer - 2018
Developed and tuned a network for streaming a live video feeds to social-media platforms.
Greenfield Network Architect 2017-2023
Designed and configured a campus greenfield network for Army research and development laboratories.
Web and VPN System Administrator - 2015-2025
Managed Linux/Apache/MySQL/PHP servers and deployed software for hosting a blog server, DokuWiki documentation server, WireGuard VPN, Tinc VPN, OpenSwan IPSec VPN, OpenVPN, Certificate Authority tools, NextCloud collaboration and file server, Mopidy music player server, Bind DNS, dnsmasq DHCP and TFTP server, and a Git repository server.
Work Experience
SiriusXM Pandora
Date: Nov 2023 to Present Day
Position: Staff Network Engineer
Responsibilities:
- Providing solutions and developing tools for the automation and management of cloud and datacenter network infrastructure
- Integrating network observability and monitoring platforms with core network services
- Developing workflows for deploying infrastructure as code
- Deploying virtual and physical load balancers, routers, switches, WAPs, sensors, and servers in cloud, datacenter, and office networks
- Troubleshooting routing, switching, load balancing, and firewall issues accross MPLS, SD-WAN, cloud, datacenter, and remote office networks
Ground Vehicle Systems Center, Detroit Arsenal, MI
Date: Sep 2017 to Aug 2023
Position: Senior Network Engineer
Responsibilities:
- Designing, procuring, and configuring a greenfield network
- Configuring firewalls, routers, layer 2 and layer 3 switches
- Securing the network boundary with Cisco ISE and Cisco ASA Firewall/VPN/IDS
- Developing RADIUS/TACACS+/DHCP containerized applications
- Scripting network automation build systems using Bash/Python/Ansible
- Orchestrating and automating zero touch provisioning with Python, Ansible and Cisco DNA
- Troubleshooting and diagnosing upstream network issues with service providers
- Drafting technical documentation, SOPs, processes and network diagrams
- Ensuring technical security compliance with RMF and DoD STIGs using ePO, SCAP, and Nessus
Michigan Air National Guard, Alpena CRTC, MI
Date: Aug 2014 to Present
Position: Network Operations Specialist - E6
Responsibilities:
- Routing and switching with Avaya/Nortel/Cisco/Juniper
- Firewall and IDS administration with pfSense and Snort
- Wireless network engineering with Ubiquiti/OpenMesh/Zyxel
- Deploying radios and controllers over Cloud Relay and point-to-point VPNs
- Troubleshooting IPv4/IPv6 network issues with Wireshark
- Installing and maintaining POTS, Avaya and Cisco telephony equipment
- Monitoring network performance with Solarwinds/Unifi/UNMS/UCM
- Troubleshooting Windows servers and workstations
- Managing Ethernet and fiber-optic cabling distribution points
Nexcess.net LLC, Southfield, MI
Date: Jul 2014 to Sep 2017
Position: Network and Linux Administrator
Responsibilities:
- Planned and configured greenfield datacenters for virtual network deployment
- Resolved WAN BGP and OSPF area routing issues in a multi-homed and mulit-vendor network
- Managed, monitored and automated the configuration of network devices using Ansible, Libre NMS, Arbor Peakflow, and Wanguard
- Provided technical support for LAMP, Magento, Wordpress, ExpressionEngine, and Craft CMS
- Optimized server, database, and website performance running Apache/PHP/Mysql/CentOS
- Managed a ticket queue and phones while monitoring servers with Zenoss
Weather King Doors & Windows, Farmington, MI
Date: Oct 2011 to Feb 2013
Position: Web Developer & System Administrator
Responsibilities:
- Performed UNIX system administration and software maintenance
- Wrote, compiled, and debugged COBOL software
- Programmed a web application using Javascript, PHP and a MySQL database
Skills
- Leadership: in 2022 and 2023 I lead a team of wireless engineers to field 32 wireless bridges and 64 wireless access points at the Alpena Combat Readiness Training Center.
- Ingenuity: In July 2020 I designed and deployed a cloud relay VPN for the Android Team Awareness Kit to provide secure video feeds and communication systems to The U.S. Air Force Joint Tactical Air Controllers, Command and Control, and Latvian allied forces.
- Vision: In 2021 and 2022 I helped engineer and develop a network at a commercial datacenter using Linux network switches running open source software to increase the the Army's bandwidth and network capabilities to support virtual experimentation.
Education
Community College of the Air Force
Date: Feb 2016 to 2020
Degree: Associate degree in Information Systems Technology
Eastern Michigan University, Ypsilanti, MI
Date: Aug 2005 to Jan 2010
Degree: Bachelors in Construction Management (Incomplete)
Certifications
- Amateur Radio License: Jul 2021 to Present
- Cisco CCNA: Apr 2017 to Oct 2020
- CompTIA Security+: Feb 2016 to Present
- LPIC-1: 2014 to Dec 2022
Training
- Juniper Service Provider Intermediate Routing
- Juniper Service Provider MPLS Fundamentals
- Juniper Service Provider Switching
- Cisco CCNP SCOR/SVPN
- Cisco CCNP Route and Switch
- Cisco DNAIE
- Cisco SISE
- Splunk Advanced Searching and Reporting
- Air National Guard Base Area Network Intermediate Infrastructure
- U.S. Air Force Cyber Transport Systems
- U.S. Air Force IT Fundamentals
- The Dale Carnegie Course in Effective Speaking
IT Skills
Platforms: Unix/Linux, Windows, MacOS, BSD, Cisco IOS, Cisco ASA, Cisco ISE, Cisco DNA, Cisco Firepower, Avaya CLI, Avaya UCM, JunOS, RouterOS, Onyx, ONIE, U-Boot, Kubernetes
Tooling: LXC, Docker, Podman, Git, GitLab CI/CD, Ansible, Splunk, Solarwinds, PRTG, QEMU, KVM/Libvirt, VMWare, Visio, Drawio, MS Office Suite
Programming: COBOL, Lisp, Scheme, C, Python, PHP, MySQL, Javascript, HTML/CSS, Bash, Powershell
Volunteer and Achievements
- Air National Guard: I was promoted to the rank of E-6 in 2023. I was awarded the silver oak leaf for my role in supporting Northern Strike in 2018. I received the distinguished graduate award from the 338th Training Squadron for graduating in the top of my class in 2016.
- Scientific Computing Network: I was recognized by GVSC for helping Scientific Computing Network obtain an Authority to Operate in 2018 and 2020.
- Northville Christian Assembly: I currently teach the children's Wednesday night bible school, and play electric and acoustic guitar on Sunday mornings.
- Life Church Canton: I deployed and maintained a wireless network and customer edge router for the church and offices from 2017 to 2022.
- Detroit Digital Stewards: I deployed access points and air monitoring sensors in Detroit, organized a community wireless mesh network, assisted in building a wireless mesh network for Allied Media Conference 2017, and provided network training to fellow digital stewards.
- Life Remodeled Detroit: I participated in the Life Remodeled 2017 community rehabilitation project, and worked with students to obtain internships and full-time employment.
Activities and Interests
Teaching, technology, hacking, piano, guitar, music production, investing, history, religion, and skateboarding.
References
Available upon request.