Jeff Herdzina

📞 1-918-269-7650

✉️ jjherdzina@protonmail.com

Technical Skills

Linux Red Hat Ansible Python Bash Docker Podman VMware Proxmox Windows Server AWS MySQL

Professional Employment

Equity Insurance Company

Senior Linux Systems Engineer | Tulsa, OK

September 2020 – June 2024

  • Engineered a high-availability Linux/Windows hybrid environment supporting mission-critical workloads with 99.9% uptime.
  • Architected automation using Ansible, Python, and Bash, reducing deployment times by 40%.
  • Orchestrated Docker and Podman container environments for scalable microservices deployments.
  • Strengthened infrastructure security through NIST 800-53 alignment and automated patch compliance workflows.

Arvest Bank Systems

Application Analyst III (Contract) | Fayetteville, AR

September 2018 – April 2020

  • Reduced manual engineering effort by 75% through Ansible-driven deployment automation.
  • Maintained Red Hat systems within a highly regulated financial environment.
  • Improved authentication and monitoring systems to proactively identify vulnerabilities.

Amgen Pharmaceuticals

Linux Administrator (Contract) | Thousand Oaks, CA

September 2017 – March 2018

  • Consolidated legacy environments reducing infrastructure footprint by 50%.
  • Performed production validation and smoke testing supporting 300,000+ users.
  • Designed resilient telecom routing solutions for global operations.

United States Postal Service

Red Hat Administrator (Contract) | Norman, OK

January 2017 – April 2017

  • Supported MySQL and PostgreSQL environments for automated sorting infrastructure.
  • Secured enterprise systems operating under Public Trust requirements.

Strategic Infrastructure History

2009 – 2016

Key organizations: Hewlett-Packard | Level 3 Communications | Citgo | HireRight

  • Managed a 17,500-server global CDN environment at Level 3.
  • Supported mission-critical airline systems at HP serving Delta, American, and Lufthansa.