As a member of the U.S. Marine Corps, Walker served as an operator with a special operations group, deploying to Camp Fallujah, Iraq while tasked with a wide variety of direct action missions.
After completing his military obligation, Walker began work as a cybersecurity professional in Huntsville, AL. As an Information Assurance Officer, Walker gained valuable experience carrying out system Certification and Accreditation (C&A) risk assessments, managing complex network security and implemented and testing Army Information Assurance Vulnerability Alerts (IAVA) for multiple systems. Walker's security experience soon complimented his hardware knowledge as he installed and maintained workstations and servers, Windows, Network Devices, Virtual Machine Components and virtual file servers and storage devices.
Soon after became a Cyber Security Analyst, was CISSP certified and help found AvaCal.