Network Test Engineer

Job Description

Job Description

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Senior Network Test Engineer
Company:
Brokerage
Location:
New York (3-4 days onsite)
Duration- 6+Months
Role Summary
Client is looking for an experienced
Senior Network Test Engineer
to test, certify, and validate enterprise network infrastructure. The role focuses on network hardware/software testing, automation, troubleshooting, security validation, and supporting large-scale enterprise and cloud networking environments.
Key Responsibilities
Test and certify network devices such as
Cisco and Arista routers/switches .
Validate software upgrades, patches, SMUs, and security fixes (CVE-driven certifications).
Design and execute network performance, interoperability, and reliability testing in lab environments.
Troubleshoot network issues using tools like
Wireshark, tcpdump, IXIA, and Spirent .
Develop test automation using
Python, Ansible, GitHub , and APIs.
Create technical documentation, test reports, best practices, and engineering standards.
Work with vendors to evaluate new products, features, and technologies.
Provide technical guidance and support to engineering and operations teams.
Ensure network security, risk assessment, and vulnerability validation.
Required Skills
8+ years of networking experience.
Strong knowledge of:
Routing
Switching
BGP, OSPF, IGMP, PIM, Multicast
Cisco (Catalyst, Nexus, ISR, ASR) and Arista platforms
Linux administration
Python and Ansible automation
Wireshark and packet analysis
Experience with network lab testing and certification.
CCNP level knowledge (CCIE preferred).
Preferred Skills
Kubernetes, CNI, Cloud-Native Networking.
eBPF / Cilium networking and observability.
AWS or Azure networking.
NAC, 802.1X, QoS, IPSec, DDoS protection.
ROBOT Framework and automation testing.
Firewalls and Load Balancers (F5, Fortinet, A10, SRX).
What Success Looks Like
Lead network testing and certification projects independently.
Improve testing through automation.
Ensure stable, secure, and high-performing network infrastructure.
Communicate findings effectively to both technical and business stakeholders.
Take ownership, solve complex networking problems, and drive technology decisions.
Ideal Candidate
A senior network professional with strong expertise in
network testing, routing
switching, automation (Python/Ansible), security validation, and enterprise network design , capable of leading projects and working independently.