SONiC - Staff, Test Framework Engineer
Location: Sunnyvale, CA
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:
#LI-AHUYNH
#LI-PRIORITY
Minimum Salary: $165,600.00
Maximum Salary:$238,050.00
The pay range for this position is expected to be between $165,600.00 and $238,050.00/year; however, the base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position also includes medical benefits, 401(k) eligibility, vacation, sick time, and parental leave. Additional details of participation in these benefit plans will be provided if an employee receives an offer of employment.
If hired, employee will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.
Juniper’s pay range data is provided in accordance with local state pay transparency regulations. Juniper may post different minimum wage ranges for permanent residency petitions pursuant to US Department of Labor requirements.
ABOUT JUNIPER NETWORKS
Juniper Networks is in the business of network innovation. From devices to data centers, from consumers to cloud providers, Juniper Networks delivers the software, silicon and systems that transform the experience and economics of networking. Our products and technology run the world's largest and most demanding networks today, enabling service providers, enterprises, and governments to create value and accelerate business success. Everyday our 9,000+ colleagues come together across 46 countries to realize our company vision - Connect Everything, Empower Everyone. We are innovating in ways that empower our customers, our partners and ultimately, everyone, in a connected world. These customers include the top 130 global service providers, 96 of the Fortune 100 and hundreds of public sector organizations.
WHERE WILL YOU DO YOUR BEST WORK?
Wherever you are in the world, whether it's downtown Sunnyvale or London, Westford or Bangalore, Juniper is a place that was founded on disruptive thinking - where colleague innovation is not only valued, but expected. We believe that the great task of delivering a new network for the next decade is delivered through the creativity and commitment of our people. The Juniper Way is the commitment to all our colleagues that the culture and company inspire their best work-their life's work. At Juniper we believe this is more than a job - it's an opportunity to help change the world...
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