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Network Security Engineer with Security Clearance

Job in Washington, District of Columbia, 20009, USA
Listing for: Zachary Piper Solutions, LLC
Full Time position
Listed on 2026-08-03
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer, IT Specialist
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Specialist
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below
Zachary Piper Solutions is seeking a Network Security Engineer to support a federal program focused on national security, counter terrorism, and secure IT infrastructure operations. This position is 100% onsite in Washington, DC . The Network Security Engineer will design, deploy, maintain, and enhance secure enterprise network and security solutions supporting mission-critical operations. Join a team dedicated to protecting national security systems and ensuring the reliability and security of critical government infrastructure.

Responsibilities for the Network Security Engineer include:
* Deploy, upgrade, maintain, and troubleshoot Cisco Identity Services Engine (ISE) environments, including licensing and configuration management.
* Support Cisco Firepower platforms through installation, upgrades, maintenance, and ongoing operational support.
* Lead and execute Cisco ASA to Firepower Threat Defense (FTD) migration initiatives.
* Design, implement, and maintain secure remote connectivity solutions utilizing DMVPN and Juniper ADVPN technologies.
* Support network access control initiatives, including Cisco 802.1X deployment, and maintain routing infrastructure utilizing OSPF, EIGRP, and BGP protocols.

Required Qualifications for the Network Security Engineer include:
* 10+ years of professional experience in network engineering and network security environments.
* Hands-on experience with Cisco ISE, Cisco Firepower, Cisco ASA to FTD migrations, Cisco 802.1X deployments, DMVPN, and Juniper ADVPN.
* Strong understanding and working knowledge of OSPF, EIGRP, and BGP routing protocols.
* Bachelor's degree
* Active Top Secret Security Clearance Compensation for the Network Security Engineer include:
* Salary Range: $120,000 - $150,000 depending on experience
* Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Sick Leave as required by law #LI-MZ1 #LI-ONSITE SEO Keywords Network Security Engineer, Cisco ISE, Cisco Identity Services Engine, Cisco Firepower, Firepower Threat Defense, FTD Migration, ASA Migration, Cisco ASA, Cisco 802.1X, Network Access Control, NAC Engineer, DMVPN, Juniper ADVPN, OSPF, EIGRP, BGP, Network Engineer, Security Engineer, Top Secret Clearance, TS Clearance, SCI Eligible, Federal IT, Government Contractor, Network Infrastructure, Enterprise Networking, Routing Protocols, Cybersecurity Engineer, Information Assurance, Secure Network Design, Washington DC Jobs, Onsite Network Engineer, National Security Programs, Cisco Security Engineer, Network Operations, Infrastructure Security Engineer.
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