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# Senior Network Security Engineer (Firewall/IPS) - Active Top Sec

- **Company:** ITC, Inc.
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** IEEE 802.1X, Border Gateway Protocol, Cyber Security, Dynamic Multipoint Virtual Private Networks, Enhanced Interior Gateway Routing Protocol, Network Security, Routing, Open Shortest Path First (OSPF), Identity Services Engine, Firewalls (Computer Science), Juniper, Information Technology, Routing & Switching, Firepower, Cisco
- **Published:** September 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9183309/senior-network-security-engineer-firewallips-active-top-sec

## About the Role

* 10+ years of IT experience, required
 * Bachelor's Degree, strongly preferred

Mandatory hands-on experience with the following technologies:

 * Cisco Identity Services Engine (ISE) - upgrade, licensing, maintenance, and deployment
 * Cisco Firepower - upgrade, maintenance, and deployment
 * Cisco migration from ASA to Firepower Threat Defense (FTD) mode
 * Cisco 802.1X - ongoing deployment
 * DMVPN design and deployment, compliant with CNSSP-15
 * Juniper ADVPN

Good working understanding of the following routing protocols:

 * OSPF
 * EIGRP
 * BGP

CERTIFICATIONS:

 * CCNP Security - Strongly preferred
 * CCNP Enterprise (Routing & Switching) - Strongly preferred
 * CCDP - preferred

SECURITY CLEARANCE REQUIREMENTS:

 * Active Top Secret, required.

WORKING ENVIRONMENT:

 * Prolonged periods of sitting at a desk and working on a computer.
 * Standard office environment; ability to lift 25 pounds.

## Description

* Plans, coordinates, and implements the organization's information security.
 * Analyzes requirements and potential solutions for technical and economic feasibility.
 * Design optimized firewall and IPS rule structure and ensures standards are maintained.
 * Monitors and maintains health of all firewalls/IPS and recommends improvements.
 * Develops and maintains documentation of firewall/IPS procedures.
 * Develops and maintains complex schematics relating to network security.
 * Researches, evaluates, recommends, designs, tests, and implements new network security technologies.
 * Displays expert knowledge of current security tools and practices.
 * Under general guidance, provides support to network engineers.


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