Responsibilities: Experience with administering, maintaining, implementing upgrades, and ensuring the readiness of several classified virtual enterprise systems and corresponding technologies (e.g., VMware vSphere, Enterprise Linux, Cisco Systems (Switch, Router, NGFW), Palo Alto, Windows Server, Windows Workstation). Overview: CDT is seeking an experienced and skilled ISSE for a DoD program in Richardson, TX.This position is hands-on technical and will provide on-site security engineering, systems administration, and information assurance support to the program.