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# Network Engineer

- **Company:** TEKSYSTEMS INC.
- **Location:** Dallas, TX, United States (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Spanning Tree Protocols, Catalyst (Software), Computer Networks, Data Centers, Networking Hardware, IP Address Management, IP Routing, Network Architecture, Network Segmentation, Network Virtualization, Ansible, Virtual Local Area Networks, Virtualization Technology, Dynamic Routing, Scripting, Computer Network Operations, Build Management, Integration Tests, Information Technology, Routing & Switching, Open Network Automation Platform, Cisco, Vmware
- **Published:** June 29, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9002086/network-engineer

## About the Role

4-7+ years of hands-on experience in network engineering or network operations roles
-Active Cisco Certified Network Associate (CCNA) certification required; CCNP in progress a strong plus
-Solid working knowledge of Cisco switching and routing platforms including Catalyst and ISR product families
-Experience with VLAN configuration, spanning tree protocols, port channels, and IP routing in enterprise environments
-Familiarity with DISA STIGs and their application to network infrastructure
-Experience supporting rack and stack infrastructure builds in a data center or government facility environment
-Active Top Secret security clearance required; TS/SCI eligibility preferred
Preferred Qualifications
-Prior experience in a DoD, IC, or cleared defense contractor environment
-Familiarity with VMware NSX or network virtualization concepts
-Working knowledge of RMF, NIST 800-53, and the ATO process
-Experience with network automation tools such as Ansible or Python scripting
-Bachelor's degree in Information Technology, Network Engineering, or a related field; equivalent experience considered
-DoD 8570/8140 IAT Level II certification (Security+, or equivalent)

## Description

Build and deploy networking components in support of rack and stack infrastructure installations, including access and distribution layer switching
-Configure and manage Cisco switching and routing equipment including VLANs, spanning tree, port channels, and static and dynamic routing
-Perform initial device configuration, validation, and integration testing for network equipment entering the environment
-Support network segmentation and access control configurations in accordance with DISA STIG requirements
-Assist with integration of network infrastructure into VMware and virtualized environments under the direction of senior engineers
-Troubleshoot and resolve network connectivity issues across switching and routing layers
-Maintain accurate network documentation including topology diagrams, VLAN records, IP address management, and configuration baselines
-Support ATO documentation efforts and continuous monitoring activities in coordination with the cybersecurity team


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