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EPATHUSA Inc VERIFIED EMPLOYER

Senior Network Security Engineer.

Cybersecurity & Info Security Contract
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Senior Network Security Engineer: our view in 3 lines...

  • The Role:This role is for a senior network security engineer supporting network, cloud and computing infrastructure for a large public agency.
  • The Person:The person will secure hybrid network infrastructure, investigate and contain security incidents, review firewall rules, monitor SIEM alerts, support penetration testing, and maintain network security standards and documentation.
  • Requirements:The ideal candidate has experience with enterprise networking, enterprise security, Azure networking, WAF/NGFW, Splunk SIEM, vulnerability management, Active Directory, MFA, Conditional Access, and Azure Security Engineer and Azure Network Engineer certifications.

About the role

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-today 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. Additionally: 
  • 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

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

Benefits

Benefit Package includes: 
  • Paid Sick Time
  • Insurance for Medical, Dental, Vision and Life Available
  • 401(k) including Employer Match 
  • HSA, Short-term & Long-term Disability Available 
  • We are an EEO/Veterans/Disabled employer

Published August 3, 2026
Location Mechanicsville, IA
Category Cybersecurity & Info Security  
Job Type Contract  

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