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Senior Network Security Engineer

AllianceIT Inc
Alexandria, Virginia, USPosted March 13, 2026

Job Description

SENIOR NETWORK SECURITY ENGINEER

Alexandria, VA

Public Trust: MBI (T2)

Job Qualifications:

Skills: Cisco Identity Services Engine (ISE), Network Access Control (NAC), Network Engineering, Wireless, Wireless Networks

Rate: $65/Hr. W2

Qualifications

WHAT YOU’LL NEED TO SUCCEED

Bring your network security expertise and drive for innovation to GDIT. The Network Security Engineer Senior must have:

● Bachelor’s degree in Computer Science, Information Technology, or a related field.

● Minimum of 5 years of experience in network engineering and security, with a focus on network access control.

● Expertise in configuring and managing Cisco Identity Services Engine (ISE).

● Proficiency in using Cisco Secure Client and Microsoft native supplicants for 802.1X authentication.

● Experience with both wired and wireless network authentication and posture assessment.

● Strong understanding of network security principles and best practices.

● Excellent troubleshooting and problem-solving skills.

● Strong communication and documentation skills.

● Relevant certifications (e.g., CCNP, CCIE, JNCIP, JNCIE or other Cisco and Juniper security certifications) are preferred.

Preferred Skills:

● Experience with other network access control solutions.

● Familiarity with endpoint security and compliance management.

● Knowledge of scripting and automation tools.

● Experience with Riverbed Profiler and analyzing NetFlow data is a plus.

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