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Juniper Networks
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Software Engineer

Software Engineer

Juniper Networks

7 - 12 years

35 - 40 Lacs

Bengaluru

Posted:-1 days ago| Platform:

Apply

Skills Required

Automation C++ Networking XML Debugging Test cases Troubleshooting Open source Virtualization Python

Work Mode

Work from Office

Job Type

Full Time

Job Description

SONiC - Software Engineer , Test Framework Engineer

We are seeking an experienced

SONiC Test Framework Engineer

to design, build, and maintain a robust test infrastructure from the ground up primarily focused on virtual testbeds. You will lead the deployment and automation of SONiC VM environments to validate functionality, performance, and scalability of network devices in data center topologies. This role demands strong expertise in networking, virtualization, automation, and open-source test frameworks.

Responsibilities

Testbed Design & Deployment

Build and configure SONiC virtual testbeds using

KVM

Docker

, and

Open vSwitch

(topologies: T0/T1/T2).

Set up Devices Under Test (DUTs) and neighbor devices via

Minigraph XML

and topology files.

Validate testbed readiness before test execution.

Automation & Framework Integration

Develop

Ansible playbooks

and

Python scripts

for testbed setup, configuration, and automation.

Integrate with the

sonic-mgmt

framework to streamline testing workflows.

Testing & Validation

Use

PTF

to validate SONiC control/data plane functionality.

Simulate and analyze network traffic using tools like

Scapy

and

tcpdump

Execute feature, functional, and performance tests; report results and track defects.

Troubleshooting & Debugging

Diagnose issues in virtual environments (VMs, containers, network connectivity).

Analyze logs from SONiC systems and collaborate with development teams on defect resolution.

Documentation & Collaboration

Document configurations, procedures, and test cases.

Contribute to the

SONiC open-source community

(scripts, issues, pull requests).

Work cross-functionally with developers, test teams, and network engineers.

Continuous Improvement

Enhance scalability and efficiency of test infrastructure.

Stay current with SONiC updates, protocol evolution, and automation trends.

Basic Qualifications:

Bachelor s or master s degree in computer science, Electrical Engineering, or a related field.
Minimum of 7+ years of work experience is required, with at least 2 years of hands-on SONiC development/test experience is a must.
Strong experience with SONiC network operating system.
Proficient in Python, C/C++.
Experience with PTF (Packet Test Framework) and SPyTest for network validation.
Familiarity with Linux internals, docker containers.
Excellent problem-solving skills and ability to work in a fast-paced, collaborative environment.
Knowledge of network ASICs and switch hardware architecture.
Prior Sonic community contribution is an added advantage

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Juniper Networks

Software Development

Sunnyvale CA

5001-10000 Employees

143 Jobs

Key People

Rami Rahim

CEO
Gina Nomine

CFO
Mira Aroyo

Chief Operating Officer

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Personal Settings

Software Engineer

Experience & Salary

Skills Required

Work Mode

Job Type

Job Description

SONiC - Software Engineer , Test Framework Engineer

SONiC Test Framework Engineer

Responsibilities

Testbed Design & Deployment

KVM

Docker

Open vSwitch

Minigraph XML

Automation & Framework Integration

Ansible playbooks

Python scripts

sonic-mgmt

Testing & Validation

PTF

Scapy

tcpdump

Troubleshooting & Debugging

Documentation & Collaboration

SONiC open-source community

Continuous Improvement

Basic Qualifications:

More Jobs at Juniper Networks