Security Engineer - Zscaler (Inperson interview)

Key Responsibilities

• Zero Trust & Zscaler Engineering
• Deploy and manage Zscaler ZIA, ZPA, ZDX for large enterprise environments.
• Design and optimize security policies: SSL Inspection, URL Filtering, Sandbox, Access & Timeout Policies, Client Forwarding.
• Support Zscaler migration and integration with Workspace ONE / MDM platforms.
• Deploy and manage ZPA App Connectors in data centers and cloud (AWS preferred).
• Endpoint & Zscaler Client Connector (ZCC)
• Manage ZCC agent profiles, configuration updates, rollout strategy.
• Maintain SSL Inspection Exemption lists for certificate pinned applications.
• Support development and monitoring of DLP policies.
• Advanced Troubleshooting & Operations
• Perform L3 L7 troubleshooting using tools such as: Wireshark, tcpdump, MTR, Zscaler Analyzer, ZSATunnel & ZSATray logs.
• Use ZDX and other Zscaler diagnostics to analyze latency and performance issues.
• Act as Level 3 escalation for P1/P2 incidents and coordinate with Zscaler TAMs & Support.
• Manage Zscaler related tickets and escalations in ServiceNow.
• Collaboration & Documentation
• Create and maintain SOPs, documentation, and knowledge articles.

Qualifications

• Network security / cloud security / Zero Trust
• Strong hands-on expertise with ZIA, ZPA, ZDX, ZCC (mandatory).
• Solid understanding of: TCP/IP, DNS, HTTP/HTTPS, TLS/SSL, Proxy architecture, authentication (SAML/AD), IPSec/GRE.
• Proficiency in packet analysis (Wireshark, tcpdump).
• Experience with AWS/GCP (networking fundamentals).
• Strong Analytical, Problem solving, and creative mindset.
• Experience with various Software Development Lifecycle Process (Agile Development, SCRUM methodologies).
• Strong stakeholder communication with leadership and cross-functional teams.
• Excellent communication skills.
• Communicates clearly, succinctly, and persuasively to all levels of employees, customers, and management.
• Able to work independently and lead problem-solving efforts.
• Excellent troubleshooting and documentation skills.
• Able to work under pressure and in fast paced enterprise environments.

Preferred Certifications

• Zscaler: ZCCP IA, ZCCP PA, ZCCAS
• Security: CEH, CISSP (added advantage)
• Networking: CCNP Security
• AWS Cloud certifications