Demo

Senior Network Security Engineer

Atash Enterprises, LLC
Mechanicsville, VA Contractor
POSTED ON 8/4/2026
AVAILABLE BEFORE 9/3/2026
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.

Skills Table:

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
Desired
3
Years
Candidate must have experience in the following areas: Incident response, Security investigations, Log analysis, Threat intelligence, Security monitor
Required
Candidate must have experience with the SIEM products (e.g. Splunk, Microsoft Sentinel)
Required
Candidate must have experience in vulnerability management and remediation tracking as well as vulnerability scanning tools (e.g. Nessus, Tenable, Def
Required
Candidate must have experience in the following areas: Active Directory, MFA, Conditional Access, Certificates
Required
Candidate must have experience with; SEC530, CIS Benchmarks, NIST CSF, NIST 800-53, Zero Trust principles
Required
Candidate must have experience with the following: Cisco ISE, NAC, 802.1X, RADIUS, TACACS
Required
Candidate must have experience with the following products: Palo Alto, F5 Distributed Cloud, Azure WAF, Cisco VPN, Global Protect, F5 BIG-IP
Required
Candidate must have experience working in highly regulated environments and leading technical troubleshooting during outages
Required
Candidate must have ability to communicate technical issues to technical and executive audiences and an ability to mentor junior engineers.
Required
Candidate should have achieved or ability to achieve the following certifications: Azure Security Engineer (AZ-500), Azure Network Engineer (AZ-700),
Required

Salary : $80 - $90

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Network Security Engineer?

Sign up to receive alerts about other jobs on the Senior Network Security Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$108,098 - $130,480
Income Estimation: 
$131,611 - $156,576
Income Estimation: 
$131,611 - $156,576
Income Estimation: 
$141,102 - $168,742
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Atash Enterprises, LLC

  • Atash Enterprises, LLC Richmond, VA
  • Position Description: VDOT is seeking an experienced Sr Network Security Engineer (Sr NSE) to implement and support the agency’s IT network, cloud, and com... more
  • 1 Day Ago

  • Atash Enterprises, LLC Richmond, VA
  • Position Description: Cybersecurity Engineer The Cybersecurity Engineer develops and implements advanced cyber defense solutions for the agency, safeguards... more
  • 1 Day Ago

  • Atash Enterprises, LLC Richmond, VA
  • Cybersecurity Engineer The Cybersecurity Engineer develops and implements advanced cyber defense solutions for the agency, safeguards the infrastructure, a... more
  • 1 Day Ago

  • Atash Enterprises, LLC Raleigh, NC
  • We are seeking a highly skilled and motivated MS Power Platform Developer to join our team. Developer Job Summary: We are seeking a highly skilled and moti... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Senior Network Security Engineer jobs in the Mechanicsville, VA area that may be a better fit.

  • Cyber Resource Provider LLC Richmond, VA
  • VDOT is seeking an experienced Sr Network Security Engineer (Sr NSE) to implement and support the agency s IT network, cloud, and computing infrastructure.... more
  • 1 Day Ago

  • TriosysIT Inc. Richmond, VA
  • Client is seeking an experienced Sr Network Security Engineer (Sr NSE) to implement and support the agency s IT network, cloud, and computing infrastructur... more
  • 1 Day Ago

AI Assistant is available now!

Feel free to start your new journey!