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# Senior Network Engineer

- **Company:** TEKSYSTEMS INC.
- **Location:** Cedar Rapids, IA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Border Gateway Protocol, Spanning Tree Protocols, Catalyst (Software), Complex Networks, Computer Networks, Enhanced Interior Gateway Routing Protocol, IP Address Management, Python (Programming Language), Network Security, Network Architecture, Routing, Network Segmentation, Network Virtualization, Cisco Nexus Switches, Open Shortest Path First (OSPF), Ansible, Zero Trust Network Access, Virtual Local Area Networks, Virtualization Technology, Wide Area Networks, Scripting, Network Access Control, Information Technology, Open Network Automation Platform, Cisco, Vmware
- **Published:** June 29, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9002105/senior-network-engineer

## About the Role

8-10+ years of hands-on experience in enterprise network engineering with demonstrated depth across routing, switching, and network security
-Active Cisco Certified Network Professional (CCNP) certification required; CCIE a strong plus
-Extensive experience with Cisco enterprise networking platforms including Catalyst, Nexus, and ASR product families
-Strong working knowledge of routing protocols including OSPF, BGP, and EIGRP in complex multi-site environments
-Experience designing and deploying network infrastructure as part of rack and stack build programs
-Familiarity with network virtualization concepts and integration with VMware NSX environments
-Working knowledge of DISA STIGs, NIST 800-53, and RMF as applied to network infrastructure
-Active Top Secret security clearance required; TS/SCI eligibility strongly preferred, Prior experience supporting classified programs in a DoD, IC, or cleared defense contractor environment
-Experience with network automation and scripting tools such as Ansible, Python, or Cisco DNA Center
-Familiarity with SD-WAN, network access control (NAC), or zero trust network architecture concepts
-Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field; equivalent experience considered
-DoD 8570/8140 IAT Level II or III certification (Security+, CASP+, CISSP, or equivalent)

## Description

Lead the design and deployment of all networking components associated with rack and stack infrastructure builds, including core, distribution, and access layer switching
-Architect and implement routing solutions across complex, multi-site environments using OSPF, BGP, and EIGRP
-Configure and manage Cisco switching infrastructure including VLANs, spanning tree, port channels, and QoS policies
-Integrate network infrastructure with VMware NSX and virtualized environments in coordination with the infrastructure engineering team
-Design and enforce network segmentation strategies to meet DISA STIG and RMF compliance requirements
-Serve as the primary network subject matter expert, providing technical leadership and guidance to junior engineers and technicians
-Support ATO processes by producing and maintaining network architecture documentation, data flow diagrams, and configuration baselines
-Troubleshoot and resolve complex network issues across switching, routing, and security layers
-Evaluate and recommend network technologies and solutions aligned with program requirements and government standards
-Maintain accurate and current network documentation including topology diagrams, IP address management, and change records


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