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Firewall Network Administrator

Sterling, VA
The role of the a Firewall Network Administrator will support all operational aspects of the firewalls within the production environment including event management, system upgrades, incident management, and day-to-day operations & sustainment of the enterprise. The candidate will also be responsible for assisting in the development of patches and executing the implementation of those patches into the Production environment. The Principal Firewall Network Administrator will work hand-in-hand with System Administrators, Test/Lab Engineers, and Design Engineers in all things respective of the firewall environment. This position will report to the O&S Support Manager.
•Tier II – III O&S responsibility of the firewalls in the Production Environment including recovery documentation for designated systems, and the establishment and maintenance of firewall configurations
•Provide leadership, expertise, and strategic guidance on critical operations that span multiple systems and groups
•Serve as the escalation point for all firewall issues related to the Desktop Initiative Solution
•Work with the Test, Engineer, and Transition teams on the development of patches that will be applied to the Production system
•Provide expertise in the update/maintenance of the firewall and supporting networks and servers
•Monitor, evaluate and remediate any health concerns of firewalls within the production environment
•Provide On‐the‐Job training to staff, as needed
•Creates, documents, and implements department process and procedures associated with administration of the
firewall solution
• Ensure compliance with policies and procedures including DoD STIG requirements
• Ensure problems and error conditions are promptly and appropriately addressed
• Perform other related duties as required
• Flexibility is a must and after hours on-call may occur
  • 8570 compliant Certification (Within 90 days of hire)
  • A combination of 10+ years  of  O&S  administration experience in the following areas:
         - OSI Layer 2/3
         - SonicWALL, PIX, ASA, or Firewall Services Modules (FWSM)
         - Reverse-Proxy Firewalls
         - Virtual Private Networks (VPN)
         - Application Specific Integrated Circuit (ASIC)
         - Microsoft Server (2012 R2 experience preferred)
         - Virtual / Cloud Servers and Services
         - Experience configuring and troubleshooting firewalls
         - IPsec and SSL VPN protocol knowledge and implementation
         - MPLS and BGP experience
  • Technical documentation skills
  • In-depth knowledge of LAN/WAN design, installation and networking (load balancing, TCP/IP, DHCP, DNS)
• Power shell Scripting
• VDI  (virtualized desktop infrastructure) Environment
• Knowledge of Dell Networking Appliances
• Experience in a large, geographically dispersed environment
  • Bachelor's Degree and 10+ years work experience or equivalent experience
  • TS/SCI w/CI Poly
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