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L2 / L3 Datacom Testing Engineer

Leinex ConsultingGurugram

3 days ago

Job description

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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Engineer Testing • Gurugram

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