The Control Systems Security Analyst at CenterPoint Energy is a critical role responsible for overseeing the network and computer system infrastructure within the grid operations control center. This includes managing the physical network, network switches, firewalls, and various computer application systems. The analyst will administer Microsoft Windows Domain, tools, and endpoints, as well as Linux infrastructure for DNS, web proxy, log aggregation, and secure remote access. The position requires conducting security assessments of computer application systems and evaluating software patches to address system vulnerabilities. In addition to these responsibilities, the analyst will monitor and maintain cybersecurity controls within the control center environment, implementing and managing the electric system security program in accordance with North American Electric Reliability Corporation (NERC) cybersecurity standards. The role involves performing switch and firewall administration and configuration for Cisco and Checkpoint network infrastructure, managing and troubleshooting network access, and performing system administration on systems providing network services such as web proxy, DNS, and Microsoft Active Directory. Automation of system administration tasks using tools like PowerShell, Python, crontab, and Ansible is also a key function of this role. The analyst will follow change management processes and maintain documentation in a collaborative environment using trouble tickets and a knowledge repository. They will utilize event logs, packet captures, and other tools to identify misconfigured endpoints, network elements, and services, assisting in the resolution of connectivity problems reported by users.