
Secure access for a cloud-first world
Zscaler, headquartered in San Jose, California, is a leader in cloud security solutions, providing services to over 7,000 customers including major corporations like Netflix and Siemens. Founded in 2008, Zscaler went public in 2018 and has since raised over $500 million in funding, with a current va...
Zscaler offers competitive salaries, equity options, generous PTO policies, and a flexible remote work policy to support work-life balance. Employees ...
Zscaler fosters a culture of innovation and agility, emphasizing a cloud-first approach to security. The company values transparency and collaboration...

Zscaler • San Jose, California, USA
Zscaler is seeking a Principal Software Engineer to enhance their cloud-native Zero Trust Exchange platform. You'll work with C, HTTPS, and SSL to protect customers from cyberattacks. This role requires extensive experience in software engineering and a passion for cybersecurity.
You have a strong background in software engineering with a focus on security protocols and cloud technologies — your expertise in C, HTTPS, and SSL has equipped you to tackle complex challenges in cybersecurity. With a minimum of 8 years of experience, you've led projects that required deep technical knowledge and a commitment to high-quality results. You thrive in collaborative environments where you can share your insights and learn from others, contributing to a culture of transparency and accountability.
Your problem-solving skills are top-notch — you enjoy dissecting intricate issues and developing innovative solutions that enhance security and performance. You understand the importance of building scalable systems and have experience in designing architectures that support high availability and resilience. Your ability to communicate effectively with cross-functional teams ensures that you can translate technical concepts into actionable strategies.
You are driven by purpose and have a passion for making a positive impact on a global scale — your work in cybersecurity is not just a job; it's a mission to protect users and organizations from evolving threats. You are adaptable and open to feedback, always looking for ways to improve processes and outcomes. You believe in the power of teamwork and are eager to mentor junior engineers, helping them grow in their careers.
Experience with cloud-native architectures and multi-tenant systems is a plus — you understand the unique challenges these environments present and have strategies to address them. Familiarity with agile methodologies and DevOps practices will help you integrate smoothly into our fast-paced engineering team.
As a Principal Software Engineer at Zscaler, you will play a critical role in enhancing our Zero Trust Exchange platform — your work will directly impact the security and efficiency of our services. You will design and implement robust security protocols using C, HTTPS, and SSL, ensuring that our customers are protected from cyber threats. Collaborating with a team of cloud architects and security experts, you will contribute to the development of innovative solutions that meet the needs of our diverse customer base.
You will lead technical discussions and design reviews, guiding the team in best practices for secure software development. Your insights will help shape the direction of our engineering efforts, and you will be responsible for mentoring and developing junior engineers, fostering a culture of learning and growth within the team. You will also engage with stakeholders to understand their requirements and translate them into technical specifications that drive our product roadmap.
In addition to your technical responsibilities, you will participate in incident response and troubleshooting efforts, ensuring that our systems remain resilient and performant. Your contributions will help us maintain our position as a leader in cloud security, and you will have the opportunity to work on projects that have a significant impact on our customers' success.
At Zscaler, we offer a dynamic work environment where your contributions are valued and recognized. You will have the opportunity to work with cutting-edge technologies and be part of a team that is shaping the future of cybersecurity. We provide competitive compensation and benefits, including opportunities for professional development and growth. Our culture emphasizes collaboration, accountability, and a commitment to excellence, making it an exciting place to advance your career.
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