Network Security Senior Specialist

As a Zscaler - Network Security Senior Specialist at NTT DATA in Noida, Uttar Pradesh (IN-UP), India, you will have the opportunity to contribute significantly to the management and optimization of Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) while ensuring strict adherence to SLAs. Your responsibilities will include: - Managing ZIA and ZPA by overseeing daily operational tasks, scheduled activities, and incident queue monitoring. - Conducting meticulous PAC (Proxy Auto-Configuration) file modifications and rigorous testing before production releases. - Responding to client requests, effectively resolving issues through troubleshooting calls for both ZIA and ZPA. - Identifying and isolating issues, obtaining approvals for resolutions, and contributing to system efficiency optimization by eliminating unused PAC files, firewall rules, URL filtering rules, and Inspection Policies. - Streamlining ZIA policies to enhance simplicity and reduce complexity and designing and configuring App Segments, Access policies, SIPA policies to enhance security. - Executing PAC file modifications to redirect traffic towards different Data Centers and setting up various office locations in location management through GRE / IPSec tunnels for clients. - Creating policies for SSL inspection, URL & app control, bandwidth control, and file type control, leveraging Zscaler ZIA proxy solution for servers and OT applications. - Setting up Advanced Threat protection, Sandboxing, and Data loss prevention for Zscaler and rolling out stable versions of Zscaler Client connectors for production. - Deploying Zscaler VPN (ZPA) solution across multiple client locations, creating application segments, app connectors, server groups, connector groups, and access policy in ZPA. - Configuring posture profiles for both ZIA and ZPA for client environments and monitoring general data center information and key SaaS applications using synthetic probes. - Possessing advanced remote troubleshooting capabilities to perform detailed analyses of problematic devices and collecting real-time device health information for optimal performance. - Setting up and managing threshold-based alerting mechanisms for SLA monitoring and generating executive insights reports for decision-making and strategy formulation. Basic Qualifications: - 4 - 6 years of experience with Zscaler About NTT DATA: NTT DATA is a $30 billion global innovator of business and technology services, serving 75% of the Fortune Global 100. With diverse experts in over 50 countries, NTT DATA is committed to helping clients innovate, optimize, and transform for long-term success. As a Global Top Employer, NTT DATA offers services including business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation, and management of applications, infrastructure, and connectivity. NTT DATA is dedicated to helping organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com.,