Job descriptionKnowledge in the administration of the Global Command & Control System Maritime & Joint (GCCS-M / J).Knowledge of the Defense Information Systems Agency published Security Technical Information Guidance (STIG) requirements and implementation / compliance process.Knowledge and experience with server and storage virtualization, i.e. Microsoft Hypervisor and VMWare vSphere.Knowledge and experience in maintaining Linux Servers and its associated services.Knowledge of Computer Network Defense (CND) compliance requirements for all managed systems.