Software Test Engineer 3 - SK1013157

At Juniper, we believe the network is the single greatest vehicle for knowledge, understanding, and human advancement the world has ever known.
To achieve real outcomes, we know that experience is the most important requirement for networking teams and the people they serve. Delivering an experience-first, AI-Native Network pivots on the creativity and commitment of our people. It requires a consistent and committed practice, something we call the Juniper Way.

Software Test Engineer 3

Location: Sunnyvale, CA

We are seeking a Software Engineer to join Juniper's Test Engineering team, focused on automating and executing tests for networking products such as routers, switches, and associated software platforms. You will play a key role in validating real-world customer deployments, ensuring high performance and reliability across complex network environments.

As part of Product Deployment Test (PDT) Engineering, this is a highly technical role responsible for providing solid support of Juniper's networking solutions. This includes developing and executing customer-specific tests tied to product releases, feature enhancements, and full solution deployment. The role demands building and maintaining expertise in Juniper products deployed within specific customer networks

Basic Qualifications:

• Bachelor's, Master's, or M.Tech degree in a relevant field, or equivalent practical experience
• Minimum of 1 year experience
• Strong analytical thinking and adept at troubleshooting complex issues.
• Solid foundation in core Internet protocols including TCP, UDP, and both IPv4 and IPv6.
• In-depth knowledge of networking technologies and protocols such as BGP, OSPF/IS-IS, ARP, VLANs, MPLS, L3VPN, MC-LAG, LACP and EVPN-VXLAN.
• Testing expertise including test plan development, execution strategies, and familiarity with intricate customer network environments.
• Automation experience involving execution of automated test cases, analyzing failures, and isolating bugs using logs and test results. Proficient in Python or similar scripting languages.

Desired Skills and Experience

• Broad understanding of Cloud infrastructure, CORE systems, and WAN technologies.
• Experience collaborating with development and system testing teams to identify test coverage and detect gaps.
• Proficient in setting up test environments for feature validation, end-to-end solutions, and performance testing.
• Skilled in configuring networking devices such as routers and switches.
• Capable of authoring test plans and developing automation scripts.
• Familiarity with automation frameworks and tools such as Python, Perl, Robot Framework, and Go.
• Strong ability to articulate test outcomes and clearly document any software defects identified.
• Prior hands-on exposure to the JUNOS operating system is advantageous.
• Networking-related certifications are considered a benefit.
• Practical experience with traffic simulation tools like Ixia or Spirent.
• Effective written and oral communication abilities.
• Strong interpersonal skills and a collaborative work style.

Key Responsibilities include but are not limited to:

• Participate in testing efforts that include solution testing, scale testing, migration testing, certification testing, etc.
• Work with Development Functional and System Test Teams to analyze test coverage and gaps.
• Automate and execute test case by both manually & automated way.
• Produce a written report of assign project's deliverables such as test progress found software defect technical details etc.
• Identify, troubleshoot, and document software defect and work with appropriate Juniper engineering resources to close the problems with customer satisfaction.
• Participate in design and information gathering workshops with the Customer to understand, the Customer's existing network design, and technical requirements of new network designs.
• Write test plan based on customer solution requirement.
• Contribute to a variety of testing activities including solution validation, scalability assessment, migration scenarios, and certification processes.
• Collaborate with development, functional, and system test teams to evaluate test coverage and identify any existing gaps.
• Perform test execution using both manual methods and automated frameworks.
• Generate detailed documentation on project outcomes, including testing progress and comprehensive defect reports.
• Diagnose, document, and escalate software bugs, and coordinate with Juniper engineering teams to resolve issues ensuring customer satisfaction.
• Engage in design and technical requirement workshops with customers to assess current network setups and define new solution needs.
• Develop test plans tailored to customer-specific network solutions and design requirements.

#LI-AHUYNH
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Minimum Salary: $120,000.00

Maximum Salary:$172,500.00

The pay range for this position is expected to be between $120,000.00 and $172,500.00/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 challenges the inherent complexity that comes with networking and security in the multicloud era. We do this with products, solutions and services that transform the way people connect, work and live. We simplify the process of transitioning to a secure and automated multicloud environment to enable secure, AI-driven networks that connect the world. Additional information can be found at Juniper Networks ( or connect with Juniper on Twitter, LinkedIn and Facebook.

WHERE WILL YOU DO YOUR BEST WORK?

Wherever you are in the world, whether it's downtown Sunnyvale or London, Westford or Bengaluru, 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.

At Juniper Networks, we are committed to elevating talent by creating a trust-based environment where we can all thrive together. If you think you have what it takes, but do not necessarily check every single box, please consider applying. We'd love to speak with you.

Additional Information for United States jobs:

ELIGIBILITY TO WORK AND E-VERIFY

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

Juniper Networks participates in the E-Verify program. E-Verify is an Internet-based system operated by the Department of Homeland Security (DHS) in partnership with the Social Security Administration (SSA) that allows participating employers to electronically verify the employment eligibility of new hires and the validity of their Social Security Numbers.
Information for applicants about E-Verify / E-Verify Informacin en espaol: This Company Participates in E-Verify / Este Empleador Participa en E-Verify
Immigrant and Employee Rights Section (IER) - The Right to Work / El Derecho a Trabajar

E-Verify is a registered trademark of the U.S. Department of Homeland Security.

Juniper is an Equal Opportunity workplace. We do not discriminate in employment decisions on the basis of race, color, religion, gender (including pregnancy), national origin, political affiliation, sexual orientation, gender identity or expression, marital status, disability, genetic information, age, veteran status, or any other applicable legally protected characteristic. All employment decisions are made on the basis of individual qualifications, merit, and business need.