Travis Roundtree
Westcliffe,CO
Summary
Experienced Wireless Security Engineer & IoT Architect specializing in edge computing, secure RF communication, routing & switching, and LoRaWAN infrastructure. Skilled in deploying, testing, and securing distributed sensor networks with open-source tools, SDR spectrum analysis, and virtualized environments. Proficient in designing and implementing solutions for seamless connectivity and data protection in high-stakes environments.
Overview
21
21
years of professional experience
1
1
Certification
Work History
Founder & IoT Solutions Architect
ChirpDat
01.2024 - Current
- Built and deployed a virtualized ChirpStack LoRaWAN stack with PostgreSQL, Mosquitto MQTT, and integrated alerting via custom telemetry dashboards.
- Performed dual-band RF validation using HackRF One SDRs across sub-GHz (433/915 MHz) and 2.4–2.47 GHz bands, identifying jamming, rogue signals, and verifying LoRaWAN transmission quality via triangulation.
- Implemented firmware provisioning workflows using Go (Golang) to support OTAA activation for mass deployment of sensors with secure key exchange.
- Conducted network validation and hardware integration testing in rural and urban environments using custom harnesses, signal analysis, and resilience simulations.
- Configured Ansible control node and integrated Git repository to prepare for infrastructure-as-code deployment; currently expanding into writing and testing playbooks for network and system automation.
- Authored cron-scripted alerting mechanisms for endpoint uptime and link status; configured BIND9 for secure recursive DNS resolution in segmented networks.
WAN/LAN Network Engineer
Independent Engineer
01.2019 - 01.2024
- Created and analyzed KML files to plan terrain-aware line-of-sight (LOS) and RF coverage for antenna placement.
- Developed cron-scripted endpoint alerts to monitor network uptime and automate recovery procedures.
- Designed point-to-point and point-to-multipoint wireless links, maintaining high-speed data infrastructure across rural deployments.
- Performed troubleshooting for Juniper, Cisco, and packet analysis.
- Engineered and deployed end-to-end route-based IP network solutions, including IPsec tunnels and WireGuard VPNs for secure remote management and jump server access.
Red Team Consultant
Confidential Client
01.2022 - 12.2022
- Managed penetration testing for embedded systems, resolving 120+ vulnerabilities within 60 days.
- Produced audit reports for regulatory bodies and delivered cybersecurity training to staff.
Government Vendor - Prime Contractor
Roundtree Global Enterprise, LLC
01.2019 - 12.2022
- Managed supply contracts for U.S. Customs and Border Protection.
- Transitioned agency procurement models from PO to IDIQ, optimizing cash flow and inventory control.
Network Consultant
Independent
01.2019 - 12.2020
- Designed and implemented Pt-to-Pt and Pt-to-MultiPoint Ubiquiti networks for municipalities.
- Consolidated ISP services and deployed a centralized fiber-connected radio tower.
Technical Consultant
Independant Contract
01.2015 - 12.2017
- Provided IT consulting to Latin American startups.
- Achieved fluency in Spanish for improved client communication.
Military Service – Paratrooper
U.S Army, 82nd Airborne 1/504
01.2004 - 12.2008
- Maintained secure communications with Harris radios and FBCB2 systems in combat zones.
- Responsible for COMSEC key loading, zeroization, and field encryption protocols.
- Honorably discharged.
Education
Bachelor of Science - Cyber Security
SANS Technology Institute
Bethesda, MD11-2026
Associate of Applied Science - Cybersecurity
Pueblo Community College
Pueblo, CO01.2024
Skills
- Routing protocol management/Switching
- Technical troubleshooting
- Deployment of LoRaWAN sensors
- Juniper/Cisco configuration
- Strategic planning for critical infrastructure emergencies
- Embedded systems testing
- Data log analysis
- CVE analysis expertise
- Remote deployment management
- Proficient in NIST 800-171 standards/FARR
- Over-The-Air Activation (OTAA) workflows using Golang
- Ansible automation
- Telemetry systems
Certification
- GIAC Foundational Cybersecurity Technologies (GFACT), SANS Institute, 01/01/25
- GIAC Security Essentials (GSEC), SANS Institute, 01/01/25
- CompTIA Network+, 01/01/25
- CompTIA Security+, 01/01/23
Notable Projects
- LoRaWAN Telemetry Integration: Designed and tested scalable LoRaWAN sensor networks with secure edge computing
- RF Threat Detection: Used HackRF One SDRs to triangulate and mitigate RF interference
- Municipal Network Overhaul: Deployed PtP networks, consolidating multiple ISPs into a unified mesh backbone
Timeline
Founder & IoT Solutions Architect
ChirpDat
01.2024 - Current
Red Team Consultant
Confidential Client
01.2022 - 12.2022
WAN/LAN Network Engineer
Independent Engineer
01.2019 - 01.2024
Government Vendor - Prime Contractor
Roundtree Global Enterprise, LLC
01.2019 - 12.2022
Network Consultant
Independent
01.2019 - 12.2020
Technical Consultant
Independant Contract
01.2015 - 12.2017
Military Service – Paratrooper
U.S Army, 82nd Airborne 1/504
01.2004 - 12.2008
Bachelor of Science - Cyber Security
SANS Technology Institute
Associate of Applied Science - Cybersecurity
Pueblo Community College
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