dustin.nix
$ whoamidustin_nix --role=consultant --years=10+

Networks that don't blink.
Agents that actually work.
Voice in the cloud.

Independent consultant designing resilient networks, production-grade AI agents, and cloud VoIP systems for teams that can't afford downtime, hallucinations, or dropped calls.

cat ./case-studies
BGP EVPN-VXLAN SD-WAN FreeSWITCH Asterisk SIP WebRTC OpenAI Anthropic LangGraph RAG Twilio Telnyx Fortinet Palo Alto Cisco Juniper Terraform AWS Azure BGP EVPN-VXLAN SD-WAN FreeSWITCH Asterisk SIP WebRTC OpenAI Anthropic LangGraph RAG Twilio Telnyx Fortinet Palo Alto Cisco Juniper Terraform AWS Azure
01 / services

Three practices. One operator.

01NET.ENG

Network Engineering

Routing, switching, segmentation, SD-WAN, and zero-trust overlays. Multi-site designs that survive carrier failures and Monday mornings.

  • BGP / OSPF / EVPN-VXLAN
  • Firewall & micro-segmentation
  • Observability & NetFlow
02AI.AGENT

AI Agent Creation

LLM-powered agents wired into your real systems — CRMs, ticketing, telephony. Built for accuracy, latency, and audit trails.

  • Tool-use & RAG pipelines
  • Voice + text agents
  • Guardrails & evals
03VOIP.CLOUD

Cloud VoIP

SIP trunking, hosted PBX, contact-center routing, and CPaaS integrations. Carrier-grade voice without on-prem hardware.

  • SIP / WebRTC / RTP
  • PBX migrations & failover
  • AI voice agent integration
02 / stack

Tools I reach for first.

Cisco
Juniper
Fortinet
Palo Alto
Ubiquiti
MikroTik
FreeSWITCH
Asterisk
FreePBX
Twilio
Telnyx
3CX
OpenAI
Anthropic
LangGraph
n8n
Pinecone
Postgres
AWS
Azure
Cloudflare
Terraform
Docker
Linux

// note: tooling follows the problem, not the other way around. Stack shown is representative — happy to work in yours.

03 / work

Selected engagements.

[01]
MULTI-SITE / 14 LOCATIONS

Replaced legacy MPLS with SD-WAN overlay

Designed dual-carrier SD-WAN with policy-based failover. Cut monthly circuit cost and improved voice MOS scores during failovers.

↓ 62%
WAN spend
[02]
AI AGENT / SUPPORT OPS

Voice agent that resolves Tier-1 tickets

Built a low-latency voice agent on top of SIP + LLM tool-use, integrated with the client's CRM and knowledge base.

↑ 41%
First-call resolution
[03]
VOIP MIGRATION / 800 SEATS

On-prem PBX → cloud, zero downtime

Parallel-run cloud PBX with number porting in waves. Engineered DID failover so no inbound call hit a dead trunk.

0 min
Cutover outage
04 / contact

Let's scope something real.

Drop your details below and I'll get back within 24 hours — a short reply, a couple of clarifying questions, and a clear next step. Never a sales sequence.

// new.inquiry