Senior Network Security Engineer

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.