Jason Warner
Senior VoIP / Network Systems Engineer
Professional Summary
Senior network and VoIP systems engineer with more than twenty-five years in carrier and hosted communications. Designs, operates, and troubleshoots SIP-based voice platforms, hosted PBX, and supporting IP infrastructure for hospitality, healthcare, and enterprise customers. Strengths include production reliability, Linux systems, automation with Ansible, and observability with Prometheus and Grafana. Complements workplace engineering with a continuously operated personal infrastructure stack used to stay current on virtualization, security hardening, and service delivery.
Professional Experience
Senior VoIP Systems Engineer
·
BluIP, Inc.
Las Vegas, Nevada · Cloud UCaaS / CCaaS communications provider
- Engineer and support cloud PBX, SIP trunking, contact-center, and related voice platforms for hospitality, casino, healthcare, and enterprise customers.
- Design, implement, and troubleshoot SIP signaling, session border controllers, E911, call routing, and hospitality PMS integrations.
- Maintain production reliability through upgrades, capacity planning, incident response, and automation with Ansible.
- Instrument and monitor service health with Prometheus and Grafana to support operations and platform stability.
Senior Network Engineer
·
Momentum Telecom
Telecommunications / hosted voice
- Supported network and voice infrastructure through platform transition in a hosted-communications environment.
- Performed routing, switching, and VoIP systems engineering for carrier and hosted-service networks.
Senior Network Engineer
·
CommPartners
Las Vegas, Nevada · Competitive local exchange / hosted communications
- Designed and operated network and voice systems for a competitive communications provider serving business customers.
- Engineered SIP and TDM interconnects, customer access, and core routing and switching infrastructure.
- Provided senior-level troubleshooting across WAN, LAN, and VoIP platforms in a production service-provider setting.
Senior Network Engineer
·
Mpower Communications
Competitive local exchange carrier
- Supported CLEC network operations including routing, access, and early voice-over-packet deployments.
- Built foundational experience in carrier-scale engineering, change control, and continuous service delivery.
Technical Skills
- Voice & UC
- VoIP, SIP, SIP trunking, hosted PBX, contact center, E911, SBC, BroadWorks / cloud UC platforms, call routing, hospitality PMS integration
- Networking
- IP routing and switching, WAN/LAN, firewalls, VPN, QoS for voice, DNS, high-availability design, carrier interconnects
- Automation & Observability
- Ansible, Prometheus, Grafana, Linux systems administration
- Software
- Python, PHP, shell scripting, Git, REST APIs, SQL (PostgreSQL / MySQL)
Independent Infrastructure Practice
Self-hosted production environment
Design and operate a multi-node Proxmox VE environment used as a standing engineering lab:
UniFi networking, Docker and Caddy with automated certificates, self-hosted mail
(Zimbra / Stalwart with Proxmox Mail Gateway), Pi-hole, Fail2Ban / CrowdSec, and
authoritative DNS with BIND and Knot. Hosts containerized applications with PostgreSQL
on dedicated infrastructure. Used to practice production-style operations, security
hardening, and service delivery outside the workplace.