Lead QA Engineer - L2/L3 Networking

Cambium NetworksBengaluru, Karnataka

On-site Full-time

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Experience Level

Senior

Qualifications

• 5+ years of networking QA experience.• Strong understanding of L2/L3 switching and routing protocols.• Expertise in traffic generation and analysis tools.• Hands-on experience in network automation (Python/Pytest).• Familiarity with Linux networking and virtualization platforms.• Experience in large-scale testing and release validation.• Excellent debugging skills.• Bachelor's or Master's in relevant fields.

About the job

Role Overview

Join Cambium Networks as a Lead QA Engineer specializing in Layer 2 and Layer 3 networking technologies. In this pivotal role, you will spearhead the validation efforts for both enterprise and carrier-grade networking products, ensuring they meet the highest standards of quality and reliability. You will blend deep technical knowledge with strategic vision, driving the QA strategy, leading a talented team of engineers, and collaborating with diverse stakeholders.

Key Responsibilities

• Formulate and implement the QA strategy, defining scope and processes for Layer 2/Layer 3 switching features.

• Lead and mentor a team of QA engineers in test planning, execution, automation, and defect management.

• Guide junior engineers in debugging and protocol analysis, fostering a culture of learning.

• Validate advanced Layer 2 features including VLANs (802.1Q/802.1ad), STP/RSTP/MSTP, LLDP, LACP, IGMP snooping, and QoS.

• Assess advanced Layer 3 features such as IPv4/IPv6 forwarding, routing protocols (OSPF, BGP, RIP, IS-IS), and multicast (IGMP, PIM), while ensuring scalability and high availability through rigorous testing.

• Utilize industry-standard tools such as Ixia and Spirent for traffic generation and Wireshark for packet analysis.

• Collaborate with chipset vendors and development teams to troubleshoot complex issues and enhance product features.

• Deliver detailed test reports, release readiness assessments, and risk analyses to key stakeholders.

• Advocate for continuous improvement in QA methodologies and processes.

• Drive automation development using Python and integrate testing processes with CI/CD pipelines (Jenkins).

Qualifications and Experience

• Minimum of 5 years of experience in networking QA.

• In-depth knowledge of Ethernet switching and IP routing protocols (L2/L3).

• Proven experience with traffic generation and analysis tools (Ixia, Spirent, Wireshark).

• Strong background in network automation using Python and Pytest.

• Familiarity with the Linux networking stack and virtualization labs (EVE-NG/GNS3).

• Experience with large-scale test planning, regression automation, and release validation.

• Exceptional debugging skills across different planes of networking.

• Bachelor's or Master's degree in Computer Science, Electronics, or a related discipline.

Preferred Qualifications

• Experience with cloud-managed networks.

• Exposure to Netconf/REST APIs, SNMP, and telemetry frameworks.

• Relevant certifications such as CCNP/CCIE, JNCIP/JNCIE, or equivalent advanced networking credentials.

About Cambium Networks

Cambium Networks is a leading provider of wireless broadband networking solutions. We empower service providers and enterprises to deliver high-quality connectivity through innovative technology. Join us to be part of a team that values collaboration, creativity, and customer satisfaction.

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