Network QA Engineer – L2/L3 Testing

QA Engineer – Network Testing
Experience: 3+ Years
Role: QA Engineer – Manual / Network Testing
About the Role
We are looking for a QA Engineer with strong manual testing experience and good networking fundamentals. The ideal candidate should understand the OSI and TCP/IP models and have hands-on experience testing network-based applications, routers, switches, VLANs, and L2/L3 networking features.
You will work closely with Development, Product, and Network Engineering teams to validate features, analyze network behavior, identify defects, and ensure product quality within an Agile environment.
Key Responsibilities
Analyze requirements and create test plans, test cases, and test scenarios for network-based applications and features.
Perform manual functional, regression, integration, sanity, and system testing.
Test network functionality involving routers, switches, VLANs, L2 switching, and L3 routing.
Apply OSI and TCP/IP model knowledge to troubleshoot and isolate issues across network layers.
Validate VLAN segmentation, L2 switching, L3 routing, and network traffic behavior.
Test and validate IPv4/IPv6 functionality and network connectivity.
Analyze network traffic and troubleshoot issues using tools such as Ping, Traceroute, Wireshark/TCPDump, where applicable.
Log, track, and manage defects using Jira, Zoho, or equivalent defect-tracking tools.
Provide clear defect details including reproduction steps, severity, impact, and supporting evidence.
Participate in Agile ceremonies, including sprint planning, daily stand-ups, sprint reviews, and retrospectives.
Collaborate with developers and product owners to clarify requirements and acceptance criteria.
Maintain test documentation, traceability matrices, test execution reports, and defect reports.
Communicate testing progress, defect status, quality risks, and release readiness to stakeholders.
Required Skills
3+ years of experience in QA / Software Testing.
Strong hands-on experience in Manual Testing.
Good understanding of Functional, Regression, Integration, Sanity, and System Testing.
Strong knowledge of OSI and TCP/IP networking models.
Hands-on knowledge of:
Routers & Switches
VLAN / VLAN Segmentation
L2 Switching
L3 Routing
IPv4 & IPv6
TCP/IP
Network Traffic Analysis / Behavior Validation
Experience with Test Cases, Test Plans, Test Scenarios, and Test Execution.
Experience with Jira, Zoho, or similar defect-tracking tools.
Good debugging, analytical, and problem-solving skills.
Experience working in an Agile/Scrum environment.
Good to Have
Basic Python scripting for test automation or network validation.
Exposure to Selenium or other automation frameworks.
Experience with firewall rule validation and security policy testing.
Knowledge of NAT, DHCP, DNS, ACLs, VPN, or other networking concepts.
Exposure to Wireshark, TCPDump, Ping, Traceroute, or similar network troubleshooting tools.
Willingness to upskill in network automation and Python-based testing.

Work arrangement
No