Senior Technical Support Engineer

About the Position

We are looking for an L3 Support Engineer to join our team. This is a hybrid role, reporting to the Senior Manager, Product Support in the Customer Success department. Supporting strategic federal customers, this role requires strong technical troubleshooting skills, sound judgment, and the ability to manage complex escalations in secure and compliance-sensitive environments. You will work closely with customers, internal support teams, Engineering, and cross-functional stakeholders to drive timely resolution of critical issues while maintaining high standards of customer communication, security awareness, and operational discipline.

Responsibilities

• Handle complex technical issues escalated from L1 and L2 support teams for federal customers
• Troubleshoot and resolve product, network, deployment, and configuration-related issues
• Work directly with customers through case handling, troubleshooting calls, and remote sessions
• Perform detailed log analysis, traffic analysis, and root cause investigation
• Collaborate with Engineering and Product teams on defects, feature gaps, and product improvements

Requirements

• Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain
• Australian citizenship and eligibility to undergo an NV2 security clearance
• Strong understanding of networking fundamentals, including TCP/IP, DNS, HTTP/HTTPS, SSL/TLS, proxies, VPN, routing, and firewall concepts
• Strong troubleshooting skills in enterprise network and security environments
• Experience in technical support, product support, or escalation support roles with ability to analyze logs, packet captures, browser traces, and endpoint behavior

Nice to Have

• Experience leveraging AI-powered diagnostic and troubleshooting tools to accelerate root-cause analysis and complex escalation management
• Knowledge of Zscaler products such as ZIA, ZPA, ZDX, or related cloud security solutions
• Experience with tools such as Wireshark, browser developer tools, log analyzers, and ticketing systems

We Offer

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks, and more!

About the Company

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform.

We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler.

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.