Principal Infrastr Eng

Senior Network Test & Certification Engineer Location: New York, NY – Hybrid, 3–4 days onsite Experience: 8+ years 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

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.

Required Skills

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.

Salary range $60000 to $125000