Information System Security Engineer (ISSE)
Cyber Defense Technologies
Full-time
Computer Occupations
Location
Richardson, Texas, United States
Posted
July 21, 2026
Job Description
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.
Clearance Requirements: An active Secret is required, Top Secret is preferred. Candidates who do not meet these clearance requirements will not be considered.
Responsibilities:
Clearance Requirements: An active Secret is required, Top Secret is preferred. Candidates who do not meet these clearance requirements will not be considered.
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).
- Knowledge of Cisco ISE/Forescout CounterACT NAC technologies preferred.