Network Administrator
Zachary Piper
Newington, VA, United States
2 months ago
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Role details
Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Experienced
Experience required
3 years minimum
Compensation
$120,000.0 - $135,000.0
Working hours
Regular working hours
Job source
Tech stack
IEEE 802.1X
Cisco Routers
CompTIA Security+
System Configuration
Data Centers
Network Address Translation
Trunking
Virtual Private Networks (VPN)
Network Security
Network Troubleshooting
NetFlow
Network Monitoring
+14 more
Routing
Network Segmentation
Network Administration
Remote Access Technology
Wireshark
Virtual Local Area Networks
Computer Networking Systems
Identity Services Engine
Network Access Control
Software Troubleshooting
Firewalls (Computer Science)
Network Support
TACACS+ Protocol
Cisco
Job description
- Manage, configure, and troubleshoot Cisco-based enterprise networks
- Administer and support Cisco Identity Services Engine (ISE) and Cisco DNA Center (DNAC)
- Configure and maintain VLANs, trunking, inter-VLAN routing, and network segmentation
- Support enterprise routing and switching infrastructure
- Monitor network performance and proactively identify and resolve connectivity issues
- Troubleshoot network issues using tools such as Wireshark and NetFlow
- Support network security technologies including firewalls, ACLs, NAT, and VPNs
- Manage network access control technologies including 802.1X, RADIUS, and TACACS+
- Support secure network operations within a highly regulated environment
- Collaborate with network engineers, system administrators, infrastructure teams, and security teams
- Participate in change management, incident response, and network maintenance activities
- Document network configurations, troubleshooting procedures, and operational changes
- Support data center and physical network infrastructure
- Work with technical and non-technical stakeholders to resolve network issues and maintain reliable enterprise operations
Requirements
- 3+ years of network administration experience supporting enterprise environments
- Active TS/SCI clearance
- Experience supporting enterprise routing and switching environments
- Strong hands-on experience with Cisco routers and switches
- Experience configuring and troubleshooting VLANs, routing, and network segmentation
- Experience with Cisco ISE
- Experience with Cisco DNA Center (DNAC)
- Experience using Wireshark, NetFlow, or similar network troubleshooting tools
- Knowledge of 802.1X, RADIUS, and TACACS+
- Experience with firewalls, ACLs, NAT, and VPN technologies
- Strong understanding of network security and access-control principles
- CompTIA Security+ certification
- CCNA certification
- Strong troubleshooting, analytical, and communication skills
- Ability to work effectively with infrastructure, systems, and security teams
Benefits & conditions
- Salary: $120,000 - $135,000
- Comprehensive benefits package including Medical, Dental, Vision, 401(k), PTO, and Paid Holidays
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Prepare application
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