L2/L3 Datacom Testing Engineer

Job Summary :

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

troubleshooting.

- 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 :

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