QA Engineer-L2/L3 Networking

1 day ago

Bengaluru, Karnataka, India Cambium Networks Full time ₹ 8,00,000 - ₹ 24,00,000 per year

Scope of Responsibilities & Position Expectations

We are seeking a
Senior/Lead QA Engineer
with in-depth expertise in
Layer 2 and Layer 3 switching technologies
to lead the validation of enterprise and carrier-grade networking products. This role requires a blend of
technical depth and strategic thinking
. The candidate will own the QA strategy, guide a team of engineers, collaborate with cross-functional stakeholders, and ensure world-class quality and reliability of switching solutions.

Key Responsibilities

  • Define QA strategy, scope, and processes for
    Layer 2/Layer 3 switching
    features.
  • Lead a team of QA engineers in
    test planning, execution, automation, and defect tracking
    .
  • Mentor junior engineers and provide technical guidance in debugging and protocol analysis.
  • Validate advanced
    Layer 2 features
    : VLANs (802.1Q/802.1ad), STP/RSTP/MSTP, LLDP, LACP, IGMP snooping, storm control, QoS.
  • Validate advanced
    Layer 3 features
    : IPv4/IPv6 forwarding, routing protocols (OSPF, BGP, RIP, IS-IS), VRRP, ECMP, multicast (IGMP, PIM). Drive
    scalability, convergence, high availability, and failover testing
    under stress conditions.
  • Utilize industry-standard traffic generators (Ixia, Spirent) and packet analyzers (Wireshark, tcpdump) for benchmarking and troubleshooting.
  • Collaborate with chipset vendors, product management, and development teams to resolve complex issues and optimize features.
  • Provide detailed
    test reports, release readiness assessments, and risk analysis
    to stakeholders.
  • Champion
    continuous improvement
    in QA methodologies, tools, and infrastructure.
  • Own
    automation development
    (Python, Pytest) and integrate with CI/CD pipelines (Jenkin).

Required Skills & Experience

  • 5+ years of experience in networking QA.
  • Strong understanding of
    Ethernet switching and IP routing protocols (L2/L3).
  • Proven expertise in traffic generation and analysis tools (Ixia, Spirent, , Wireshark).
  • Strong hands-on experience in network automation (Python / Pytest).
  • Familiarity with Linux networking stack, FRRouting/Quagga, and virtualization labs (EVE-NG/GNS3).
  • Experience in large-scale test planning, regression automation, and release validation.
  • Excellent debugging skills across data plane, control plane, and management plane.
  • Bachelor's or Master's degree in Computer Science, Electronics, or related field.

Preferred Qualifications

  • Experience in
    cloud-managed networks
    .
  • Exposure to
    Netconf/REST APIs, SNMP, and telemetry frameworks
    .
  • Certifications:
    CCNP/CCIE, JNCIP/JNCIE, or equivalent advanced networking certs
    .
  • Prior experience in
    leading QA strategy for enterprise/campus/carrier switching
    .

Soft Skills

  • Strong leadership and mentoring ability.
  • Excellent communication and stakeholder management.
  • Proactive in identifying risks and driving closure across teams.
  • Passion for quality, reliability, and customer-focused testing.

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