Kelli Harmon

IT & Information Security Leader | Enterprise Security | Firewall & Lifecycle Management

Trusted IT security professional delivering secure, high-availability enterprise infrastructure across complex global environments.

Proven expertise in network security, firewall operations, lifecycle management, change management, security policy implementation and enterprise IT operations.

Trusted by mission-critical organizations across North America, Europe, and the Middle East, including American Airlines, Southwest Airlines, US Air, Dollar Thrifty, Sabre, and Travelocity. I’ve supported environments where availability, compliance, and risk mitigation are non-negotiable—and failure is not an option.

Core strengths: Enterprise firewall management and security operations (Cisco & Juniper)

Lifecycle management, OS upgrades, and end-of-life remediation for business-critical systems

Change management aligned with ITIL and security best practices

Translating business risk into actionable security controls Leading cross-company, global initiatives with a strong focus on SLA performance and operational stability

I bring a practical, hands-on approach to security—balancing risk, performance, and business reality. When environments are under pressure, I provide calm execution, clear communication, and measurable results. Bottom line: I help organizations stay secure, scalable, and operational—no drama, no guesswork, just results.