Senior Network Security Engineer (807471) Start Date: 08/03/2026
End Date: 06/30/2027
Location: Mechanicsville, VA / Hybrid
No New Submittals After: N/A
Client 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.
Our team member benefits include:
Paid Holidays/Paid Time Off (PTO)
Medical/Dental Insurance Group
Accident/Critical Illness Insurance
Life Insurance
401 (K)
