Juniper

SONiC - Test Framework Engineer 4

Location: Sunnyvale, CA

We are seeking a skilled SONiC Test Framework Engineer to design, build, and maintain a SONiC test infrastructure from scratch, primarily focusing on virtual testbeds. The engineer will be responsible for deploying and automating SONiC VM test environments to validate network functionality, performance, and scalability in a data center setting. This role requires expertise in networking, virtualization, automation, and test frameworks to ensure robust testing of SONiC-based network devices. The ideal candidate is a proactive problem-solver with hands-on experience in open-source network operating systems and a passion for automating complex test environments.

Responsibilities

• Testbed Design and Deployment:
• Build SONiC virtual testbeds from scratch using KVM, Docker, and Open vSwitch to simulate data center topologies (e.g., T0, T1, T2).
• Configure Devices Under Test (DUTs) and neighbor devices using minigraph XML and topology definition files.
• Validate testbed connectivity and functionality before test execution.
• Automation:
• Develop and maintain Ansible playbooks to automate testbed setup, SONiC configuration, and test execution.
• Write Python scripts for topology setup, test automation, and log analysis.
• Integrate automation workflows with the sonic-mgmt framework to streamline testing processes.
• Testing and Validation:
• Deploy and manage test automation frameworks like PTF (Packet Test Framework) to validate SONiC’s control plane and data plane.
• Generate and analyze network traffic using tools like Scapy and tcpdump to verify protocol behavior (e.g., BGP, VXLAN, VLANs).
• Execute functional, feature, and performance test cases, reporting results and identifying defects.
• Troubleshooting and Debugging:
• Diagnose and resolve issues in virtual testbeds, including VM, container, and network connectivity problems.
• Analyze logs from SONiC VMs, Docker containers, and virtual switches to pinpoint root causes.
• Collaborate with developers to address defects and improve test coverage.
• Documentation and Collaboration:
• Document testbed setup procedures, configurations, and test cases for team reference.
• Contribute to the SONiC open-source community by sharing scripts, reporting issues, or submitting pull requests.
• Work closely with network engineers, developers, and test teams to align testing with project goals.
• Continuous Improvement:
• Optimize testbed performance and scalability for large-scale testing scenarios.
• Stay updated on SONiC advancements, networking protocols, and test automation trends to enhance the framework.

Basic Qualifications

• Bachelor’s or master’s degree in computer science, Electrical Engineering, or a related field.
• Minimum of 12+ 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

#LI-AHUYNH

#LI-PRIORITY

Minimum Salary: $140,800.00

Maximum Salary:$202,400.00

The pay range for this position is expected to be between $140,800.00 and $202,400.00/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...