Working knowledge of cybersecurity and privacy principles and organizational requirements (relevant to confidentiality, integrity, availability.
Working knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense-in-depth).
Working knowledge in determining how a security system should work (including its resilience and dependability capabilities) and how changes in conditions, operations, or the environment will affect these outcomes.
Skill in applying and incorporating technologies into proposed solutions.
Knowledge of network protocols such as TCP/IP, Dynamic Host Configuration, Domain Name System (DNS), and directory services.
Working knowledge of computer networking concepts and protocols, and network security methodologies.
Working knowledge of cyber threats and vulnerabilities.
Knowledge of specific operational impacts of cybersecurity lapses.
Working knowledge of Operational technology (OT) security principles and methods (e.g., firewalls, demilitarized zones, encryption).
Working knowledge of how traffic flows across the network (e.g., Transmission Control Protocol [TCP] and Internet Protocol [IP], Open System Interconnection Model [OSI].
Working knowledge of network systems management principles, models, methods (e.g., end-to-end systems performance monitoring), and tools.
Working knowledge of laws, policies, procedures, or governance relevant to cybersecurity for critical infrastructures.
Skill in using virtual machines. (e.g., Microsoft Hyper-V, VMWare vSphere, etc.).
Skill in identifying and anticipating system/server performance, availability, capacity, or configuration problems.