Senior Network Engineer

Job Title: Senior Network Test & Automation Engineer (CNI)

Contract: W2 or C2C

Location: New York, NY — 5 Days Onsite

Experience: 10-12+ years

⚠️ No GC, GC EAD, OPT and CPT

Senior Network Test & Automation Engineer with strong hands-on expertise in enterprise routing/switching, network design validation, lab testing, and automation. Bridges traditional enterprise networking with modern cloud-native networking — Kubernetes CNI, eBPF, and Cilium. Responsible for testing and certifying network hardware, software releases, patches, and designs before production deployment.

Must-Haves

• 8+ years of Network Engineering experience (role requires 10-12+ years overall )
• Strong hands-on I P Routing and Switching experience
• Strong knowledge of BGP, OSPF, IGMP, PIM, and Layer 2 protocols
• Hands-on experience with Cisco Catalyst/Nexus and/or Arista platforms
• Network design, testing, certification, and troubleshooting experience in a LAB environment
• Strong Linux administration and networking understanding
• Hands-on Python and Ansible for network automation
• Git/GitHub experience
• Troubleshooting with tcpdump and Wireshark
• Understanding of Kubernetes architecture and container networking/CNI
• Exposure to eBPF-based networking; Cilium experience highly preferred
• Ability to independently perform complex network testing and certification

Nice-to-Haves

• IXIA and/or Spirent network testing tools
• Robot Framework integration with Ansible
• Cisco IOS/IOS-XE/NX-OS software/code certification experience
• Arista 7280/7504/7060 or similar platform experience
• Network security knowledge (802.1X, NAC, IPSec, QoS, DDoS mitigation)
• CVE analysis, vulnerability assessment, patch testing, remediation validation
• AWS or Azure networking exposure
• Data Center networking and high-speed connectivity (10G/25G/40G/50G/100G)
• CCNP-level knowledge required; CCIE highly desirable

Key Responsibilities

• Design, execute, and document network lab testing and certification
• Test and certify routers, switches, software releases, patches, SMUs, network designs
• Perform functional, interoperability, performance, and regression testing
• Validate network designs across Campus/Branch, WAN/MAN, Data Center, low-latency environments
• Perform risk/CVE-based testing and support patch certification
• Build and improve automated network testing using Python and Ansible
• Support validation of cloud-native network architectures (Kubernetes/CNI)
• Utilize eBPF/Cilium for networking, observability, policy enforcement, BGP integration
• Work with vendors on product certification and bug validation
• Create engineering standards, certification documents, and technical reports