Principal Software Development Engineer - Cloud Networking

Confirmed live in the last 24 hours

Zscaler

Bangalore, IND

Hybrid

Posted February 20, 2026

Job Description

About Zscaler

Zscaler is a pioneer and global leader in zero trust security. The world’s largest businesses, critical infrastructure organizations, and government agencies rely on Zscaler to secure users, branches, applications, data & devices, and to accelerate digital transformation initiatives. Distributed across more than 160 data centers globally, the Zscaler Zero Trust Exchange platform combined with advanced AI combats billions of cyber threats and policy violations every day and unlocks productivity gains for modern enterprises by reducing costs and complexity.

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 champion an “AI Forward, People First” philosophy to help us accelerate and innovate, empowering our people to embrace their 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 to help shape the future of cybersecurity.

Role

We are looking for a Principal Software Development Engineer to join our Engineering team. This is a hybrid role based in Bangalore, reporting to the Sr. Director of Software Engineering. You will bring your vision and passion to a team that built the world’s largest cloud security platform from the ground up, helping us scale our multitenant architecture and global footprint to serve over 15 million users across 185 countries.

What you’ll do (Role Expectations)

Partner with Product Management to drive detailed product requirements
Define software design specifications and implement high-quality code using test-driven methodology
Identify opportunities to refactor existing code for maintainability while taking ownership of complex customer issue resolution
Collaborate closely with cross-functional engineering teams including security, UI, platform, and analytics
Lead and mentor a group of junior engineers, providing technical guidance and assisting with development details

Who You Are (Success Profile)

You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful
You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution
You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact
You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust
You are a learner. You have a true growth mindset and are obse