Key responsibilities

• Deploy and maintain network infrastructure devices, security appliances, and virtualization solutions
• Review network and security product configurations
• Review security policies and develop operational instruction manuals
• Manage hardware and software security lifecycle
• Create detailed diagrams, procedures, and implementation plans to support projects
• Take inventory of plant hardware and software assets and assess them for risks
• Review network architectures for best practices and provide compliance recommendations
• Participate in the change management process
• Provision and de-provision OT systems access
• Enable appropriate security controls to protect data and infrastructure
• Troubleshoot ICS/OT security and network problems
• Review security controls and recommend mitigations
• Ensure compliance with cybersecurity controls and regulations
• Participate in ICS projects to implement cyber security requirements
• Provide technical direction as a cybersecurity subject matter expert
• Identify and support deployment of cybersecurity patches for ICS/OT systems
• Perform daily administration, reporting, and departmental communications
• Employ secure configuration management processes
• Define system security context and baseline requirements
• Understand and work with OT protocols including Yokogawa VNet IP, ModBus, and OPC
• Participate in ICS security incident response and investigations
• Use cyber defense tools for continuous system activity monitoring
• Test and identify network and system vulnerabilities
• Perform vulnerability/penetration testing and threat hunting in ICS/OT environments
• Coordinate with threat intelligence analysts for data correlation