Designated Support Engineer III

About Zscaler Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise , we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our 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 say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. 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 be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity. We are looking for a Designated Support Engineer III to join our team in a hybrid capacity based in Bangalore or Mohali, reporting to the Manager, Global Focal Support within our Support department. You will function as the highest level of technical support within the TAC, responsible for resolving the most complex and critical issues escalated from Level I and Level II support engineers. What you’ll do (Role Expectations) Provide second line phone/email consultation to independently debug complex security/network problems Interface with Engineering and assist the customer with testing or troubleshooting Reproduce customer issues to verify problems and provide feedback to Engineering and Operations teams Create entries in our technical support online database to accurately document any incident resolution that is not found in our knowledge base Understand the product direction and customer use-cases and provide input on product and code changes through all points of the product cycle Who You Are (Success Profile) 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. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands-on execution. You are a problem-solver. You seek out challenges because you are energized by finding solutions, 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 customer-obsessed. You build deep empathy for the customer—both internal and external—and anchor your decisions in solving their real-world problems. You champion their needs from start to finish, knowing their success is our success. You operate with urgency. You understand that in a high-growth environment, speed and quality are not mutually exclusive. You have a relentless focus on execution and a bias for action, delivering high-impact results quickly to win for the customer and the team. What We’re Looking for (Minimum Qualifications) 5+ years of support and networking experience, including general firewalls and packet filtering troubleshooting Strong understanding of common network and application protocols and behaviors to facilitate in troubleshooting unexpected behaviors Experience in GRE and IPSec configura