Network Security Administrator (Permanent / Full time )

McLean, VA, us on site Until 8/22/2026 H-1B sponsor history First posted February 23, 2026 Last posted February 23, 2026
Job description

Tech Tammina LLC


 Relevant/ Experience Required:

 5-7 Year   

 Technical/Functional Skills / MUST HAVE SKILLS :

CompTIA Network+ certification having excellent understanding of Networking topologies

· CompTIA Security+ certification having excellent understanding of Network and Application security

· Hands-on experience working with Sourcefire IPS/IDS

· Hands-on experience with Bluecoat Proxy, Web Application Firewall (WAF) and Antivirus products

· Excellent understanding of TCP/IP Networking and network troubleshooting

 Preferred Skills: 

Understanding of Big-IP F5 GTM/LTM devices

· Understanding of Checkpoint and Cisco ASA Firewalls

· Understanding of Infoblox DNS

· Understanding of various Network discovery tools (Fluke), Traffic Management tools (Netflow/Sflow) like GigaMon. 


 Roles & Responsibilities: 

 · Manage Network & Application security devices

· Analyze the events and logs originating from the security monitoring devices/applications

· Detect and resolve security issues and prepare remediation plan









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Job Status: Full Time / Permanent

Eligibility: EAD GC/ GC/ US Citizen

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Contact: 703 349 1004

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About this role

Summary

Manage network and application security devices, analyze logs, detect and resolve security issues.

Job title

Network Security Administrator

Experience level

5-7 years

Industry

technology

Location requirements

McLean, VA, US; remote not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

CompTIA Network+CompTIA Security+Sourcefire IPS/IDSBluecoat ProxyWAFAntivirusTCP/IP

Preferred skills

Big-IP F5CheckpointCisco ASAInfoblox DNSnetwork discovery toolstraffic management

Specializations

networkingsecurityfirewallsIDS/IPSweb application firewall
Locations

Structured locations inferred from the posting.

McLean, VA, USA

On-site City
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