Software QA Engineer : Network Testing L2/L3, Automation | AI-Assisted Validation | 6-9 Years
Cisco22 hours ago
Bengaluru, IndiaSenior
Responsibilities
- Define and drive comprehensive test strategies for enterprise networking products across functional, scale, performance, resiliency, security, and interoperability testing.
- Design, develop, and maintain scalable Python-based test automation frameworks and automated feature, regression, integration, and customer-deployment test suites.
- Lead validation of Layer 2, Layer 3, routing, switching, security, SD-WAN, and cloud networking features.
- Build and optimize CI/CD-based testing pipelines for continuous validation and faster release cycles.
- Perform root-cause analysis using protocol-level debugging and packet analysis tools, reproduce customer issues, and validate fixes.
- Drive quality metrics, risk assessment, defect prevention, and release readiness reviews.
- Collaborate with developers, architects, product managers, DevOps, customer support, and customers, and mentor junior engineers.
Requirements
- Bachelor's or Master's degree in Computer Science, Electronics, Information Technology, or a related field.
- 8+ years of experience in Software QA, Network Testing, or System Validation.
- Strong understanding of Layer 2 and Layer 3 networking protocols and technologies.
- Hands-on experience testing TCP/IP, IPv6, VLANs, STP, EtherChannel, ARP, DNS, DHCP, NAT, ACLs, firewalls, QoS, NetFlow, GRE, IPsec VPNs, OSPF, BGP, EIGRP, AAA, RADIUS, TACACS+, and high-availability and redundancy protocols.
- Strong experience developing test automation with Python and frameworks such as PyTest, Robot Framework, or Unittest.
- Experience with REST APIs, JSON, YAML, and API-based validation frameworks.
- Strong Linux fundamentals, including shell scripting and troubleshooting.
- Experience with KVM, VMware ESXi, Docker, or Kubernetes.
- Preferred: proficiency with Git and modern software development workflows.
- Preferred: debugging experience with Wireshark, tcpdump, Ixia, Spirent, and network protocol analyzers, plus experience creating automated regression and system-level validation suites.
About Cisco
Cisco designs and sells networking, security, and collaboration platforms for enterprises, service providers, and governments, spanning routers and switches, Wi‑Fi, firewalls, zero‑trust, observability, and cloud-managed IT (Meraki) plus Webex. Its business model mixes hardware, software subscriptions, and support/consulting services. Founded in 1984 and headquartered in San Jose, California, Cisco is a public company traded on Nasdaq and serves customers across data centers, campuses, and service provider networks.