Network Administrator

As a Senior Network Administrator, you’ll serve as a technical leader responsible for the administration, optimization, and security of enterprise network infrastructure supporting mission-critical operations.\n, * Collaborate with Agile Scrum teams to deliver infrastructure enhancements supporting continuous integration and rapid capability delivery.\n

• Participate in sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives as the networking subject matter expert.\n
• Monitor network performance, capacity, and availability while proactively identifying opportunities for optimization.\n
• Troubleshoot complex network issues, perform root cause analysis, and implement long-term corrective actions.\n
• Implement and maintain secure network architectures in accordance with Intelligence Community security requirements and best practices.\n
• Support cloud connectivity, hybrid networking, and infrastructure modernization initiatives.\n
• Develop and maintain network documentation, topology diagrams, standard operating procedures, and configuration baselines.\n
• Coordinate hardware refreshes, software upgrades, maintenance windows, and patch management activities.\n
• Partner with cybersecurity teams to address vulnerabilities, implement security controls, and support audits and accreditation activities.\n

• Install, configure, and support Cisco routers, switches, firewalls, load balancers, and other network infrastructure components.\n, * US citizenship is required per contract.\n
• Bachelor’s degree in Computer Science, Engineering, Information Technology or related field and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.\n
• 8+ years of network administration experience.\n
• CompTIA Security+, and Cisco Certified Network Associate (CCNA) or Network Professional (CCNP), or equivalent certification.\n
• Experience supporting large-scale, mission-critical network environments.\n
• Strong expertise with Cisco routing and switching technologies.\n

• Thorough understanding of:\n \n

• TCP/IP\n
• OSPF, BGP, EIGRP\n
• VLANs\n
• DNS/DHCP\n
• VPN technologies\n
• NAT\n
• QoS\n

• Multicast\n \n

• Experience administering enterprise firewalls such as Cisco ASA, Palo Alto, or Fortinet.\n
• Experience with network monitoring and performance management tools.\n
• Strong troubleshooting, analytical, and problem-solving skills.\n
• Excellent communication skills and the ability to collaborate across technical disciplines.\n
• Experience working in Agile or Scrum environments.\n, * Cisco CCNP, CCIE, or equivalent certification.\n
• CompTIA Security+ CE (or DoD 8570/8140 compliant certification).\n
• Experience supporting Intelligence Community or Department of Defense customers.\n
• Experience with AWS, Azure, or hybrid cloud networking.\n
• Knowledge of Software Defined Networking (SDN).\n
• Experience with network automation using Python, Ansible, or PowerShell.\n
• Familiarity with Zero Trust Architecture and micro-segmentation.\n
• Experience with DevSecOps and Infrastructure as Code (IaC).\n
• Experience with VMware NSX or Cisco ACI.\n
• ITIL Foundation certification.\n