Network Administrator Jobs

About The Position

Requirements

• Active Secret clearance and ability to obtain a Top Secret clearance.
• Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
• DoD 8570 IAT Level II certification, such as Security+ CE, CCNA Security, or CySA+; required.
• At least 8 years of experience in network administration or engineering in a DoD or enterprise environment.
• In-depth experience with Juniper and Cisco technologies; Juniper is highly utilized.
• In-depth understanding of TCP/IP, routing protocols such as OSPF and BGP, VLANs, VPNs, and firewall technologies.
• Experience configuring and managing Cisco, Juniper, or similar network devices.
• Familiarity with DoD RMF, network-related security controls, and eMASS.
• Proficiency with network diagnostic tools such as Wireshark, SolarWinds, and NetFlow.
• Experience with network hardening, STIG compliance, and IAVA remediation.
• Working knowledge of ITIL processes, change management, and configuration management.

Nice To Haves

• CCNA, CCNP, or similar vendor certifications.
• Experience supporting DISA infrastructure, policies, and standards.
• Familiarity with cloud networking and cross-domain solutions (CDS).
• Knowledge of Zero Trust Architecture (ZTA) principles and implementation strategies.

Responsibilities

• Administer, monitor, and support LAN/WAN infrastructure, including routers, switches, firewalls, and network appliances.
• Monitor network performance and troubleshoot connectivity and performance issues.
• Plan and implement network upgrades and configuration changes while minimizing downtime.
• Manage network security protocols, including firewall rule sets, VPNs, and access control policies, in accordance with DoD cybersecurity standards.
• Support network integration with cybersecurity tools, including HBSS, ACAS, and SIEM platforms.
• Maintain compliance with DoD STIGs and IA Vulnerability Management (IAVM) directives.
• Collaborate with cybersecurity and system administration teams to implement RMF security controls and support ATO/IATT efforts.
• Manage and document network configurations, diagrams, and change logs.
• Perform packet capture analysis, port scanning, and network vulnerability assessments as required.
• Coordinate with vendors and DISA stakeholders to resolve hardware, software, and network issues.
• Respond to and support network-related incident response activities and investigations.
• Provide subject matter expertise on network architecture, segmentation, and enclaving.
• Participate in developing and maintaining network contingency and disaster recovery plans.
• Configure, manage, and troubleshoot Cisco and Juniper network devices, including routers, switches, and firewalls.
• Implement and maintain routing protocols such as BGP, OSPF, and EIGRP in mixed Cisco and Juniper environments.