VDOT is seeking an experienced Sr Network Security Engineer (Sr NSE) to implement and support the agency’s IT network, cloud, and computing infrastructure. The Sr NSE performs day-to-day activities related to securing VDOTs infrastructure.The Sr NSE performs day-to-day activities related to securing, documenting, performing research, analysis, design, and implementation of VDOT’s network and computing related infrastructure. The Sr NSE will support a hybrid enterprise environment consisting of approximately 300 statewide locations, Palo Alto firewalls, Azure networking, ExpressRoute connectivity, WAF technologies, Splunk SIEM, SD-WAN, and mission-critical public-facing applications. The role partners closely with Infrastructure, Cloud Engineering, and the Information Security Office to maintain the confidentiality, integrity, and availability of VDOT’s network infrastructure. Key Responsibilities: • Ensures network security architecture aligns with operational security standards prior to and after deployment. • Lead investigation and containment of network security incidents. • Review firewall rule requests and ensure compliance with security standards. • Design and maintain secure hybrid network architecture across on-premises and Azure environments. • Monitor security events using SIEM technologies and coordinate incident response activities. • Perform network security assessments and recommend remediation strategies. • Develop and maintain network security standards, diagrams, and operational documentation. • Support penetration testing and remediation efforts. • Participate in on-call support during critical security incidents. • Responsible for conducting proactive threat hunting and anomaly detection. • Validates WAF and firewall placement and integration exposure/connectivity. Also leads implementation, review, and management of agency WAF(s). • Identifies and diagnoses system problems and threats by using system logs, line monitors, SIEM, diagnostic software, and test equipment. • Identifies, prioritizes, and remediates network security vulnerabilities. • Must have the ability to provide documentation, network architecture topology diagrams, IP schemes, firewall rules, and access controls when required. • Must have the ability to work independently on assigned projects.