Network Test Engineer

Seeking a Senior Network Test Engineer to design, test, and certify enterprise network hardware, software, and solutions in a lab environment.

Key Responsibilities

• Test and certify Cisco/Arista routers and switches across LAN/WAN, Data Center, Campus, Branch, and WAN/MAN environments.
• Perform code/patch/SMU certification, bug validation, performance testing, and interoperability testing.
• Develop test automation using Python, Ansible, APIs, Git, and Robot Framework .
• Troubleshoot using Wireshark, tcpdump, IXIA/Spirent , and protocol-level analysis.
• Work with BGP, OSPF, IGMP/PIM, Layer 2/3, QoS , and switching technologies.
• Support cloud-native networking with Linux, Kubernetes, CNI, and eBPF/Cilium .
• Evaluate vulnerabilities/CVEs and support security validation and remediation.
• Create test strategies, engineering standards, certification documents, and recommendations.
• Collaborate with vendors and global engineering teams.

Must-Have Skills

• 8+ years of network engineering/testing experience.
• CCNP-level or higher expertise.
• Strong Cisco Catalyst/Nexus and Arista experience.
• Strong BGP, OSPF, multicast, switching, and routing knowledge.
• Python + Ansible automation experience.
• Linux and network troubleshooting expertise.
• Experience with network hardware/code certification in lab environments.
• Excellent communication and documentation skills.

Nice to Have

• CCIE
• Kubernetes/CNI and eBPF/Cilium
• Robot Framework
• IXIA/Spirent
• F5/A10/Fortinet/SRX interoperability
• AWS/Azure
• 802.1X, NAC, MAB, IPSec, QoS

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. NLB is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities.