QA Software Engineer – Layer2/Layer3 Protocol Testing

Extreme Networks

. Partner with Engineering teams, Services, and Field Engineers as an individual contributor .

Posted 9/29/2026full-timeBangalore • IndiaJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Telecom and Data Networking, with a strong focus on network security, testing methodologies, and cloud-based application validation. Proficient in developing test strategies and tools for functional and performance validation in complex networking environments.

Highest-signal resume keywords

Telecom/Data Networking ExperienceNetwork Security KnowledgeTest Planning and Case WritingCloud-Based Application ValidationFamiliarity with Traffic Generators

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Test StrategiesTest PlansNetwork ApplicationsNetwork Operating SystemsTesting MethodologiesComputer Networking Topology PlanningDefect Logging and TrackingDebuggingL2/L3 FeaturesNetwork Management and Monitoring

Soft Skills

Analytical SkillsCommunication Skills

Tools & Technologies

Traffic GeneratorsIxiaSpirentWiresharkUnix/LinuxWindows

Certifications & Qualifications

ISTQBCloud PractitionerNetwork+CWNACCNA

Industry Keywords

IEEE 802.1BridgingVLANMAC SecuritySNMPDHCPDNSIPSecFirewallsSSL

Tech Stack

Tools & technologies

CloudDNSFirewallsLinuxMicroservicesTCP/IPUnix

About the role

Key responsibilities & impact

Partner with Engineering teams, Services, and Field Engineers as an individual contributor
Help build and validate products and solutions for high-end customer deployments
Write test strategies and test plans
Develop tools and scripts for functional, performance, and scalability validation of platform and software solutions

Requirements

What you’ll need

B.E. / B.Tech. or equivalent in CS/ECE/TCE/EEE, or MS in Computer science/application/engineering
2-4 years of relevant industry experience in Telecom/Data Networking and network security
Excellent knowledge and work experience in most of the listed networking, operating system, testing, cloud validation, microservices, network security, and monitoring areas
Good understanding of operating system concepts, network applications, and network operating systems
Familiarity with Traffic Generators (Ixia/Spirent) and network debugging tools (Wireshark, ping, traceroute, etc.)
Good knowledge of cloud-based application validation and microservices-based architecture
Hands-on experience with test planning, computer networking topology planning, requirement-to-testcase mapping, test case writing, defect logging and tracking, and debugging
Good knowledge of testing methodologies, testing types, and overall product lifecycle
Good analytical and communication skills
Knowledge of IEEE 802.1, including Bridging, VLAN, STP, MAC security, and LLDP
Knowledge of L2/L3 features including TCP/IP, VRRP, IGMP, IPv4, IPv6, ICMP, ICMPv6, ARP; basic understanding of IS-IS
Knowledge of network management and monitoring: SNMP, SFLOW, Netflow, RMON, and ERSPAN
Knowledge of DHCP, DNS, SSH, RADIUS, TACACS, LDAP, IPSec, and CA
Knowledge of network security and management features including Netlogin, AAA, IPsec, Firewalls, SSL, and SNMP MIB
Experience with Unix/Linux and Windows environments
ISTQB, Cloud Practitioner, Network+, CWNA, or CCNA certification is an added advantage

Benefits

Comp & perks

Hybrid work arrangement