Nate Crisler
Principal Architect  ·  HashiStack · AI Infrastructure · DevSecOps
Summary

Principal Architect with 15+ years building production infrastructure at scale. Currently delivering enterprise architecture at C1 across cloud security, platform engineering, and AI infrastructure. Built C1's Cybersecurity Managed Services practice from zero — four live MSSP offerings serving enterprise clients. Author of a custom Terraform provider in Go (Terraform Plugin SDK, nine resource types, full CRUD lifecycle). Public speaker at Splunk .conf 2017 and Nutanix .NEXT 2018 (92.2% session approval). Nutanix Technology Champion 2018–2020.

Core Competencies
Platform & IaC: HashiCorp Vault · Consul · Nomad · Packer · Terraform (Provider Author) · Kubernetes · OPA/Rego · eBPF/Tetragon
Security: DevSecOps · CrowdStrike/XDR · Tenable/VMaaS · Axonius/ASM · Splunk/SIEM · Multi-Cloud Security · MSSP Architecture
AI & Infrastructure: LLM Inference (Ollama) · Self-Hosted AI · Multi-Agent Systems · AI Pipeline Architecture
Languages & Cloud: Go · Python · Shell/Bash  |  AWS · Azure · GCP
Experience
C1 (ConvergeOne) Remote
Principal Architect Oct 2025 – Present
  • Lead solution architecture across enterprise client engagements spanning cloud infrastructure, platform engineering, and security programs
  • Architect SplunkCloud deployments with automated compliance controls for PCI-DSS, HIPAA, SOX, and SOC2 in financial services and healthcare clients
  • Design and deliver Terraform-based IaC frameworks for multi-cloud and hybrid environments — including a custom Terraform provider in Go for self-hosted hypervisor infrastructure
  • Deploy and operationalize self-hosted LLM inference pipelines and AI-powered tooling for enterprise security and operations teams
  • Design and implement HashiStack in production — Vault, Consul, Nomad, Packer
Manager, Cybersecurity Managed Services Dec 2022 – Oct 2025
  • Built C1's Cybersecurity Managed Services practice from zero — service catalog, technical delivery architecture, team, and enterprise client relationships
  • Launched VMaaS on Tenable.io — scanning policy, remediation workflows, and reporting for enterprise clients
  • Built AMaaS on Axonius — connector architecture, policy enforcement, and continuous asset visibility
  • Architected XDRaaS on CrowdStrike and Cylance — detection tuning, response playbooks, SOC escalation procedures
  • Developed SIEMaaS on Splunk — onboarding methodology, data source framework, compliance dashboards, and operational runbooks
  • Owned service packaging, pricing model, and go-to-market positioning for all four offerings from inception through steady-state delivery
Genesys Cloud Services Remote
Senior MultiCloud Security Engineer Nov 2021 – Oct 2022
  • Threat hunting and security automation across AWS, Azure, and GCP for 10,000+ enterprise customers
  • Engineered auto-healing security controls using HashiCorp toolchain — Vault, Terraform, Packer — that self-corrected on drift without human intervention
  • Led PCI pentests and hardened multi-cloud environments; advised DevOps and compliance teams on secure architecture
Senior Cloud Security & Telemetry Engineer Oct 2017 – Apr 2019
  • Architected enterprise Splunk deployments for PCI-DSS and SOC2 compliance; built custom correlation rules and automated security event workflows
Principal Telemetry Engineer Mar 2014 – Oct 2017
  • Designed large-scale Splunk monitoring and telemetry for Genesys cloud services — observability for 10,000+ enterprise customers
  • Invited speaker at Splunk .conf 2017 — selected by Splunk to present to their global practitioner community in Washington D.C.
KAR Global Carmel, IN (Remote)
Senior Site Reliability Engineer Apr 2019 – Nov 2021
  • Led cloud migration of legacy applications to AWS, OpenShift, and Kubernetes; built CI/CD pipelines that cut deployment downtime by 50%
  • Deployed HashiCorp Vault for automated secrets management via Terraform — zero hardcoded credentials in production
  • Implemented real-time observability across cloud workloads with Grafana and Prometheus
Lightbound Indianapolis, IN
Network Operations Specialist, Tier 3 Lead Sep 2011 – Apr 2014
  • Managed BGP, DNS, VPNs, and firewalls at enterprise scale for a regional ISP; built automation to detect and replace failing hardware in real-time
Credentials & Recognition
Custom Terraform Provider (Go) — Antsle hypervisor platform; 9 writable resource types, 15+ data sources, full CRUD lifecycle. Source available on request.
Speaker, Nutanix .NEXT 2018 — New Orleans; "Splunk Enterprise on Nutanix: Keys to Success" — 92.2% session approval rating
Speaker, Splunk .conf 2017 — Washington D.C.; invited by Splunk to present at their global practitioner conference
Nutanix Technology Champion — 2018, 2019, 2020; recognized as top technical voice in the Nutanix community
FCC Amateur Radio Extra Class — Callsign WA7ABU; highest license class, demonstrates RF and signal engineering depth
Speaker, Nutanix+Splunk Global Webinar — December 2017; "Become a Big Data Superhero with Splunk and Nutanix"