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# Senior Network Test Engineer

- **Company:** Diverse Lynx LLC
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $124,800 - $135,200
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Automation of Tests, Border Gateway Protocol, Cloud Computing, Computer Networks, Continuous Integration, Linux, Failover, Github, Internet Group Management Protocols, Networking Hardware, Interoperability, Python (Programming Language), Network Troubleshooting, Multicasting, Routing, Cisco Nexus Switches, Open Shortest Path First (OSPF), Regression Testing, Ansible, Service Pack, Software Deployment, Software Engineering, TCP/IP, Tcpdump, Wireshark, Nx-os, Large Language Models, Agentic-AI, Kubernetes, Open Network Automation Platform, Cisco Switches
- **Published:** November 13, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-network-test-engineer-manhattan-ny--e0eb0435-4b40-451b-a051-dace9a460a99

## About the Role

Network Testing, Engineering, Automation, Network Testing, Software Engineering, Network System Hardware, Linux Operating System, Artificial Intelligence (AI), Network Software, Software Patches, * 8+ years of hands-on Network Engineering experience.

 * Strong BGP, OSPF, TCP/IP and enterprise routing/switching.
 * Hands-on Cisco Catalyst/Nexus/ASR/ISR experience.
 * Experience with network testing, validation or certification.
 * Good hands-on Python and Ansible automation.
 * Strong Linux networking and troubleshooting knowledge.
 * CCNP DevNet/DevCor or equivalent network automation expertise strongly preferred.
 * Exposure to GenAI/LLMs, AI-assisted automation or Agentic AI workflows.

Preferred Skills

 * IXIA/Spirent, Arista, Kubernetes/CNI, Cilium/eBPF, Robot Framework, multicast (IGMP/PIM), CVE/security patch validation, CI/CD and cloud networking.
 * Ideal candidate: A strong Network Engineer who can combine network testing + Python/Ansible automation + AI-assisted engineering to make network certification faster, more automated and more reliable.

## Description

We are looking for a hands-on Senior Network Test & Certification Engineer with strong enterprise networking, automation, Linux, and AI-assisted engineering experience. The engineer will be responsible for testing and certifying network hardware, software releases, patches, and new features before production deployment.

Key Responsibilities - make sure below highlighted skill in yellow are mandate.

 * Perform network lab testing, functional/regression testing, code and patch certification, performance and interoperability validation.
 * Test and troubleshoot BGP, OSPF, L2/L3, routing, switching, failover and convergence scenarios.
 * Work with Cisco Catalyst, Nexus, ASR/ISR and IOS-XE/NX-OS environments.
 * Develop network test automation using Python, Ansible, APIs and Git/GitHub.
 * Use AI/GenAI and Agentic AI to accelerate test-case generation, log/configuration analysis, troubleshooting, root-cause analysis, CVE/patch assessment and certification reporting.
 * Perform Linux-based network troubleshooting using tcpdump, Wireshark and related tools.
 * Document test results, defects, risks and production-readiness recommendations.