Senior Network Test Engineer

Senior Network Test Engineer

Location: New York City, NY (4 Days Onsite)

Note: ONLY LOCAL TO NY/NJ AND USC CANDIDATES

Job Summary

We are seeking a Senior Network CNI Test Engineer to support network hardware certification, testing, automation, and validation activities for enterprise and cloud-native network infrastructures. The ideal candidate will possess strong expertise in LAN/WAN networking, routing and switching, network automation, Linux, Kubernetes, and cloud-native networking , along with hands-on experience in network lab testing, code certification, and performance validation .

This role focuses on testing and certifying network hardware, validating software releases, automating test workflows, evaluating interoperability, and supporting enterprise network reliability and security initiatives.

Key Responsibilities

Network Testing & Certification

• Perform testing and certification of network hardware to ensure performance, reliability, and compliance.
• Design and execute functional, interoperability, scalability, and performance testing.
• Validate routers, switches, and enterprise network platforms before production deployment.
• Rapidly certify software patches, SMUs, and code releases, particularly for CVE-driven and security-related events.
• Validate interoperability with firewalls, load balancers, and other IP appliances.
• Identify hardware failures, software defects, compatibility issues, and performance bottlenecks.
• Document testing results, findings, and certification reports.

Network Engineering & Validation

• Support campus, branch, WAN/MAN, data center, and low-latency network environments.
• Validate network infrastructure based on engineering standards and best practices.
• Create engineering guidelines, configuration standards, and deployment templates.
• Develop network certification strategies for future hardware and software releases.
• Collaborate with vendors to evaluate new technologies, products, and feature enhancements.

Automation

• Develop automation frameworks using:
• Python
• Ansible
• APIs
• Infrastructure-as-Code techniques
• Identify opportunities for automation within testing workflows.
• Maintain and enhance automated test suites.
• Integrate Ansible playbooks with Robot Framework where applicable.

Cloud & Kubernetes

• Support cloud-native networking environments.
• Work with Kubernetes architecture and container networking (CNI).
• Operate Kubernetes tools including:
• kubectl
• Container networking
• Support networking and observability using eBPF technologies such as Cilium.

Linux & Observability

• Perform Linux administration related to networking.
• Utilize:
• tcpdump
• Wireshark
• Git
• Analyze packet captures and troubleshoot protocol-level issues.
• Monitor network performance and validate operational readiness.

Security & Risk Assessment

• Perform cybersecurity assessments and CVE analysis.
• Support vulnerability validation and remediation.
• Evaluate network risk and certify security patches.
• Validate router hardening and secure network designs.

Required Experience

• 8+ years of experience in LAN/WAN network engineering and design.
• Experience leading network certification and validation projects.
• Hands-on experience testing network hardware in laboratory environments.
• CCIE or minimum CCNP-level networking expertise.
• Ability to work independently and lead technical initiatives.

Required Technical Skills

Networking

• LAN/WAN Design
• Enterprise Routing & Switching
• Cisco Catalyst Platforms
• Cisco Nexus Platforms
• Arista Platforms (7280, 7504, 7060)
• IOS
• IOS-XE
• NX-OS
• Limited XR

Routing Protocols

• BGP
• OSPF
• IGMP
• PIM
• Multicast
• IGMPv2
• IGMPv3
• PIM-SM
• Static RP
• RP-Anycast
• MSDP

Switching

• Layer 2 Switching
• Layer 3 Switching
• CEF
• TCAM
• Spanning Tree

Network Testing

• IXIA
• Spirent
• Wireshark
• tcpdump

Automation

• Python
• Ansible
• GitHub
• APIs
• Infrastructure as Code
• Robot Framework (Preferred)

Linux & Cloud

• Linux Administration
• Kubernetes
• Container Networking (CNI)
• kubectl
• eBPF
• Cilium

Preferred Skills

• MAB
• Port Security
• Network Access Control (NAC)
• 802.1X
• QoS
• IPSec
• AWS or Azure
• Data Center networking
• 10G / 25G / 40G / 50G / 100G networking
• Virtualization technologies
• Router hardening
• DDoS mitigation
• Routing protocol encryption
• SSH implementation
• Out-of-band network design

Qualifications

• 8+ years of enterprise …