Senior Network Security Engineer

ePATHUSA Inc•Mechanicsville, VA

About The Position

Seeking an experienced Senior Network Security Engineer to implement and support the agency's IT network, cloud, and computing infrastructure. The resource will perform day-to-day activities related to securing VDOT's infrastructure and related to securing, documenting, performing research, analysis, design, and implementations of VDOTs network and computing related infrastructure. 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. Partner closely with Infrastructure, Cloud Engineering, and the Information Security Office to maintain the confidentiality, integrity, and availability of VDOTs network infrastructure. Ensure network security architecture aligns with operational security standards before 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.

Requirements

Enterprise Networking: Required, 8 years
Enterprise Security: Required, 5 years
Azure Networking: Required, 3 years
WAF/NGFW: Required, 3 years
Supporting environments with 300+ Network Devices: Required, 3 years
Incident response, Security investigations, Log analysis, Threat intelligence, Security monitor: Required, 5+ years
SIEM products (e.g. Splunk, Microsoft Sentinel): Required, 5+ years
Vulnerability management and remediation tracking as well as vulnerability scanning tools (e.g. Nessus, Tenable, Def): Required, 5+ years
Active Directory, MFA, Conditional Access, Certificates: Required, 5+ years
SEC530, CIS Benchmarks, NIST CSF, NIST 800-53, Zero Trust principles: Required, 5+ years
Cisco ISE, NAC, 802.1X, RADIUS, TACACS: Required, 5+ years
Palo Alto, F5 Distributed Cloud, Azure WAF, Cisco VPN, Global Protect, F5 BIG-IP: Required, 5+ years
Working in highly regulated environments and leading technical troubleshooting during outages: Required, 5+ years
Ability to communicate technical issues to technical and executive audiences and an ability to mentor junior engineers: Required, 5+ years
Achieved or ability to achieve the following certifications: Azure Security Engineer (AZ-500), Azure Network Engineer (AZ-700)

Responsibilities

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.
Partner closely with Infrastructure, Cloud Engineering, and the Information Security Office to maintain the confidentiality, integrity, and availability of VDOTs network infrastructure.
Ensure network security architecture aligns with operational security standards before 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.
Provide documentation, network architecture topology diagrams, IP schemes, firewall rules, and access controls when required.
Work independently on assigned projects.