Senior Network Test & Certification Engineer : NYC

HAN IT Staffing Inc.; New York (NY); Hybrid; USD 120,000 - 150,000; Full time

Job summary

HAN IT Staffing Inc. is seeking a hands-on Senior Network Test & Certification Engineer for NYC with hybrid work (3 days onsite) and an in-person interview requirement.

Required: 12 years of enterprise network engineering, CCNP DevNet/DevCor or equivalent automation, strong BGP/OSPF/TCP/IP, and Linux networking experience. You will test, certify, and automate network hardware/software releases, patches, and features.

Qualifications

• 12 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.

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 and certification reporting.
• Perform Linux-based network troubleshooting using tcpdump, Wireshark and related tools.
• Document test results, defects, risks and production-readiness recommendations.

Skills

Network Engineering

BGP/OSPF/TCP/IP

Linux Networking

AI-assisted engineering

Network testing/validation

Automation with Python

Automation with Ansible

Git/GitHub

tcpdump/Wireshark

Convergence/failover

Cisco IOS-XE/NX-OS

Tools

Python

Ansible

Git/GitHub

tcpdump/Wireshark

Job description

Role: Senior Network Test & Certification Engineer

Location: NYC -- Hybrid (3 days onsite). In-person interview required.

Experience: 12 years

Must have

10 Years Enterprise Network Engineering

CCNP DevNet/DevCor or equivalent network automation

BGP / OSPF / TCP-IP/OSPF, L2/L3, routing, switching, failover

Cisco Catalyst / Nexus / ASR / ISR/IOS-XE/NX-OS

Network Testing, Validation & Certification

Python Automation

Ansible Automation

Linux Networking & Troubleshooting

GenAI / LLM / AI-Assisted Engineering

Network Automation APIs Git/GitHub

L2/L3 Routing, Switching, Failover & Convergence

tcpdump / Wireshark / Packet Analysis

CVE / Patch Validation & Certification

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 mandatory.

• 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

• 12 years of hands-on Network Engineering experience.
• Strong BGP, OSPF, TCP/IP and enterprise routing/switching .
• Hands-on Cisco Catalyst/NexASR/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.