Network Administrator II

AMERICAN SYSTEMS

. Support and maintain network infrastructures within domestic and international environments and data centers .

Posted 5/19/2026full-timeArlington • Virginia • 🇺🇸 United StatesJuniorMid-Level💰 $125,000 - $160,000 per yearWebsite

Tech Stack

Tools & technologies

AWSAzureCloudFirewallsVMware

About the role

Key responsibilities & impact

Support and maintain network infrastructures within domestic and international environments and data centers
Ensure reliability, security, and performance of network systems
Collaborate with senior team members and cross-functional IT teams to implement network solutions
Troubleshoot issues effectively
Assist in the management and maintenance of Cisco-based network infrastructure, including routers, switches, firewalls, and wireless access points
Monitor network performance, identify issues, and implement troubleshooting measures
Collaborate with IT teams to support the integration of new network solutions and technologies
Implement network security measures to protect sensitive data and comply with federal standards
Maintain documentation related to network configurations, procedures, and operational standards
Provide support and guidance to junior network administrators and assist in their training and development
Participate in capacity planning and network upgrade projects as needed
Coordinate with vendors for network equipment procurement and support services
Ensure adherence to SLAs and assist in reporting on network performance and incidents
Stay updated on industry trends and best practices to contribute to network improvements

Requirements

What you’ll need

Must be a U.S. Citizen
Active Secret clearance with ability to obtain a Top Secret with SCI eligibility
Bachelor’s degree in Computer Science, Information Technology, or related field; equivalent work experience may be considered
Current 8570/8140 IAT Level II Certification (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
Minimum of 2-3 years of experience in network administration, focusing on Cisco technologies
Knowledge of Cisco networking technologies, including CCNA certification or equivalent experience
Familiarity with routing protocols (e.g., OSPF, EIGRP) and basic network architecture principles
Experience with network monitoring and management tools (e.g., SolarWinds, Wireshark)
Basic understanding of network security measures and familiarity with firewall technologies
Exposure to VPN solutions and secure remote access technologies
Understanding of virtualization technologies (e.g., VMware, Hyper-V) related to network operations
Familiarity with cloud networking concepts (e.g., AWS, Azure) is a plus

Benefits

Comp & perks

healthcare benefits
paid leave
retirement plans
insurance programs
education and training assistance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

network administrationCisco technologiesrouting protocolsnetwork security measuresVPN solutionsvirtualization technologiescloud networking conceptsnetwork monitoringtroubleshootingcapacity planning

Soft Skills

collaborationproblem-solvingguidancetrainingcommunication

Certifications

8570/8140 IAT Level II CertificationCCNA SecurityCySA+GICSPGSECSecurity+ CECNDSSCP