Staff Software Engineer (Testing and Automation)

About Zscaler Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Here, impact in your role matters more than title and trust is built on results.

We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership and accountability.  We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential.

If you’re driven by purpose, thrive on solving complex challenges and want to make a positive difference on a global scale, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity. We are looking for a Staff Software Development Engineer to join our Client Connector Team in a hybrid capacity (San Jose - 3 days/week), reporting to the Director of Engineering.

Join the Zscaler Client Connector team as a Staff Software Engineer for Test and Automation. You will be responsible for the end-to-end quality and delivery of features targeting Windows and Linux devices. This role requires strong automation development skills, deep networking knowledge, and expertise in observability to ensure product reliability and performance in a fast-paced security environment.

What you’ll do (Role Expectations) Own end-to-end quality and delivery of new features for Zscaler Client Connector on Windows and Linux, collaborating with Development, Product Management, and Cloud Operations from design through release Translate requirements into comprehensive test strategies and plans to design and execute functional, system, and automated test suites Build and maintain a scalable Python-based automation framework and implement CI/CD pipelines for efficient, reliable test execution and reporting Define and operate system health monitoring and alerting while developing Grafana dashboards for actionable insights into product health, performance, and stability Analyze results and troubleshoot complex issues to root cause while championing Agile practices, continuous QA improvement, and an inclusive team culture Who You Are (Success Profile) You act like an owner, operating with integrity and a bias for action to navigate between high-level strategy and hands-on execution.

You are a high-trust collaborator who embraces a challenge culture with candor and respect to earn trust and drive team success. You are a learner with a growth mindset, actively seeking feedback to develop yourself and your teammates with purpose. You think at scale, connecting your daily work to the global mission to build solutions that support a high-growth organization.

You are a problem-solver who is energized by finding solutions to hard challenges, knowing that impact comes from solving the most difficult issues. What We’re Looking for (Minimum Qualifications) 5+ years of engineering experience with hands-on automation framework design and development in Python, including proficiency with Jenkins and GitLab Proven track record of test automation across both Windows and Linux platforms Deep networking knowledge of TCP/IP, protocols (SSL/TLS, HTTPS), and components like proxies or VPNs, plus experience testing network security products and authentication systems Expertise in troubleshooting and analyzing network logs using Wireshark and tcpdump within an Agile environment Graduate or Master’s degree in Computer Science or a related field with professional experience as a QA or Test Automation Engineer in networking and security What Will Make You Stand Out (Preferred Qualifications) Hands-on experience building monitoring dashboards and defining service health metrics using Grafana, Prometheus, or ELK Experience setting up testbeds in virtualized environments or knowledge of cloud platforms like AWS and GCP Strong understanding of REST APIs, hypervisors, and microservices architecture #LI-JM1 #LI-HybridZscaler’s salary ranges are benchmarked and are determined by role and level.

The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.

Base Pay Range$129,500—$185,000 USDAt Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more!

Learn more about Zscaler’s Future of Work strategy, hybrid working model, and benefits here. By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals.

We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws.

See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

ZS is the place where ambitions are welcomed and where passion changes lives. As a management consulting and technology firm focused on transforming healthcare and beyond, we invite you to grow with our global team of bright minds. At ZS, we believe that making an impact demands a different approach; and that's why here your ideas elevate actions, and here you'll have the freedom to define your own path and pursue cutting-edge work.

Join us and work side-by-side with like-minded people who rise...