> Markdown version of [/jobs/ext/1508617-network-administrator-senior-level-top-secret-clearance](https://www.wearedevelopers.com/jobs/ext/1508617-network-administrator-senior-level-top-secret-clearance). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Administrator - Senior Level - Top Secret Clearance - **Company:** Perrygo Consulting Group, LLC - **Location:** Lexington Park, MD, United States (Remote available) - **Experience:** Expert - **Salary:** $75,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Lisp (Programming Language), Border Gateway Protocol, Cloud Computing, Computer Networks, Dynamic Host Configuration Protocol, Domain Name System (DNS), Enhanced Interior Gateway Routing Protocol, IP Address Management, Virtual Private Networks (VPN), Network Security, Multicasting, Network Monitoring, Network Administration, Network Protocols, Open Shortest Path First (OSPF), SAP Sales and Distribution, TCP/IP, Wireshark, Virtual Local Area Networks, Diagnostic Tools, Identity Services Engine, Network Access Control, Firewalls (Computer Science), Juniper, SolarWinds (Software), Deployment Automation, Open Network Automation Platform, Cisco Switches, Cisco, Vmware - **Published:** July 30, 2026 - **Apply:** https://www.careerjet.com/job/us306c1c882a6367cd5f462d2ae86387cd/eaa ## About the Role Basic Requirements: Senior-Level Requirements: At least 3 of the Sec+/CASP/JNCIA/CCNA or equivalent certs,7 - 10 years of applicable work experience. Education Requirements: Bachelors degree preferred. Security Clearance: Top Secret (must be a US Citizen) ## Description Perrygo is a small, rapidly growing company; we are passionate about our employees as well as supporting our customers and their mission. We are excited for the opportunity to bring aboard highly motivated and energetic individuals to join our teams. Currently, we are seeking a Network Administrator - Senior Level - Top Secret Clearance. This role supports our Navy customer in Lexington Park, MD. * Candidates without a Top Secret clearance will not be considered *, Functional Responsibility/Principal Duties: Configure and support Cisco Catalyst Center for network automation, assurance, visibility, and policy enforcement. Implement and operate Software-Defined Access (SD-Access) environments for secure segmentation and simplified network management. Integrate SD-Access solutions with existing enterprise network infrastructure to enhance scalability and agility. Manage and optimize fabric technologies, including VXLAN, LISP, and TrustSec. Administer Cisco Identity Services Engine (ISE) for network access control, authentication, authorization, and policy enforcement. Configure NSA Type 1 encryptors, including multicast VLAN mapping and secure transport configurations. Design, configure, and troubleshoot networking protocols such as TCP/IP, BGP, OSPF, EIGRP, VLANs, multicast (PIM), and routing/switching fundamentals. Implement and manage network security technologies, including firewalls, VPNs, intrusion prevention systems, and access control mechanisms. Support multi-vendor network environments, including Cisco, Juniper, Dell, and Brocade/Ruckus equipment. Utilize network monitoring and troubleshooting tools such as Wireshark, SolarWinds, GEMone, and Cisco Prime to ensure optimal performance. Configure and manage virtualization and cloud networking technologies, including VMware NSX. Maintain and update Infoblox for DNS, DHCP, and IP address management. Configure and maintain Network Policy Server (NPS) for RADIUS-based authentication and access control. Perform network automated deployment, segmentation, and security using Cisco Catalyst Center. Conduct network access control for on site connectivity and RA-VPN connections using Cisco ISE. Configure NSA Type 1 encryptors, including multicast VLAN mapping and secure transport configurations. Support multi-vendor network environments, including Cisco, Juniper, Dell, and Brocade/Ruckus equipment.Utilize network monitoring and troubleshooting tools such as Wireshark, SolarWinds, and GEMone.Configure and manage virtualization and cloud networking technologies, including VMware NSX. Maintain and update Infoblox for DNS, DHCP, and IP address management. Configure and maintain Network Policy Server (NPS) for RADIUS-based authentication and access control. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)