Principal Software Engineer

Our Engineering team built the world’s largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy.

We're looking for an experienced Principal Software Engineer/Architect to join our Cellular Innovation team. As part of our innovative team, you will play a critical role in the development and enhancement of our cutting-edge cloud security solutions for the Cellular ecosystem. Reporting to the Director of Software Engineering. This is a hybrid role, reporting into the San Jose, CA office 3 days a week. You will:

• Design, develop, and maintain scalable cloud-based enterprise applications in collaboration with cross-functional engineers
• Utilize strong proficiency in object oriented principles to develop solutions using one or more languages (Java, Python, Go, or C++) for the Cellular and 5G ecosystem
• Define specifications and identify platform infrastructure for high-speed traffic processing at the edge
• Apply experience in big data analytics, streaming platforms, or dashboard visualization to support real-time analytics requirements

What We’re Looking for (Minimum Qualifications)

• 10+ years of hands-on application development experience and a bachelor’s or master’s degree in Computer Science, Software Engineering, or a related field
• Strong proficiency in one or more of Java, Python, Go, or C++ with expertise with microservices and defining distributed architectures to address challenges such as configuration distribution, cache invalidation, and system-wide consistency
• Hands-on experience with real-time analytics using pub/sub platforms (e.g., Kafka, Pub/Sub, Pulsar), distributed datastores (Elasticsearch), and building optimized big data pipelines with Spark or Beam
• Solid understanding of cloud technologies, including virtualization, containerization, and microservices, as well as security principles and protocols such as SSL/TLS, IPsec, and OAuth

What Will Make You Stand Out (Preferred Qualifications)

• Experience in the cybersecurity industry or with cloud security solutions and a background in designing and implementing enterprise-grade security or networking products.
• Knowledge of cellular architecture and understanding of TCP/IP, event-based programming, and fault tolerance.
• Experience working with Kubernetes and cloud platforms such as AWS, Azure, or GCP

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At 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.

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