L2/L3 Datacom Testing Engineer

1 week ago

Gurugram, India Leinex Consulting Full time

Job Summary :We are seeking a highly skilled Datacom (L2/L3) Testing Engineer with strong expertise in networking protocols, datacom products, and automated testing frameworks.The ideal candidate will possess hands-on experience in managing, testing, and troubleshooting Layer 2 and Layer 3 networking products such as routers, switches, firewalls, and wireless devices.The role requires strong knowledge of network management interfaces, security protocols, and CI/CD automation pipelines.This position involves functional, sanity, and regression testing within complex networking environments.Key Responsibilities : - Perform testing activities including functional, sanity, regression, and automation testing for datacom and IP networking products.- Develop, execute, and maintain test plans and test cases based on detailed technical requirements for Layer 2 and Layer 3 networking protocols.- Hands-on testing and validation of networking devices such as routers, firewalls, switches, and wireless devices.- Validate and troubleshoot management interfaces including SNMP, Web, Yang, Netconf, and REST-based APIs.Test and analyze networking protocols including but not limited to : - Layer 2 Switching : Ethernet, IEEE 802.1x, STP, RSTP, VLAN, LLDP- Layer 3 Routing : RIP, OSPF, BGP, VRRP- Security protocols : Firewall rules, NAT, IPSec, IKEv1, IKEv2, SSL- Network fundamentals : ARP, ICMP, TCP/UDP- Work with network device CLIs and management interfaces for configuration and Participate in the design and development of automation frameworks to improve testing efficiency.- Use scripting languages, primarily Python, to develop automated test scripts.- Collaborate with development teams to identify defects and verify fixes.- Implement and manage CI/CD pipelines for automated testing using Jenkins (Groovy pipelines) and GitHub Actions.- Document test results, defects, and provide clear communication of issues and progress to stakeholders.- Continuously improve testing processes and automation to ensure product quality and delivery timelines.- Stay updated with the latest networking protocols, security standards, and testing tools.Required Skills & Experience : - 3 to 10 years of experience in datacom or IP networking product testing, focusing on L2 and L3 protocols.- Strong hands-on experience with networking devices such as routers, firewalls, switches, and wireless devices.- In-depth knowledge of network management interfaces including SNMP, Web, Yang, Netconf, REST.- Proficiency with Layer 2 protocols (Ethernet, IEEE 802.1x, STP, RSTP, VLAN, LLDP).- Hands-on experience with Layer 3 routing protocols like RIP, OSPF, BGP, VRRP.- Good understanding of network security protocols such as Firewall, NAT, IPSec, IKEv1/2, SSL.- Familiarity with network fundamentals like ARP, ICMP, TCP/UDP.- Experience working with CLI-based device configuration and troubleshooting.- Proven experience in automation testing and framework development.- Strong scripting skills in Python (mandatory).- Experience with CI/CD pipelines, especially Jenkins with Groovy scripting and GitHub Actions.- Excellent communication skills both verbal and written.- Strong analytical skills with attention to detail and problem-solving ability.- Self-motivated with a proactive, can-do attitude (ref:hirist.tech)

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