Job Description

Req ID:  325957  

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Zscaler Network Security Engineer to join our team in Tokyo, Tokyo (JP-13), Japan (JP).

• Manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA), overseeing daily operational tasks, scheduled activities, and incident queue monitoring while meeting strict SLAs
• Conduct meticulous PAC (Proxy Auto-Configuration) file modifications and rigorous testing before production releases.
• Respond to client requests and effectively resolved issues through troubleshooting calls for both ZIA and ZPA. - Demonstrate exceptional problem-solving skills, identifying and isolating issues following established processes and obtaining approvals for resolutions.
• Contribute significantly to optimizing system efficiency by identifying and eliminating unused PAC files, firewall rules,URL filtering rules, and Inspection Policies.
• Streamline ZIA policies to enhance simplicity and reduce complexity.
• Design and configured App Segments, Access policies, SIPA policies to enhance security.
• Execute PAC file modifications to redirect traffic towards different Data Centers.
• Set up various office locations in location management through GRE / IPSec tunnels for clients.
• Create policies for SSL inspection, URL & app control, bandwidth control, and file type control.
• Leveraged the Zscaler ZIA proxy solution to provide proxies for servers and OT (Operational Technology) applications.
• Set up Advanced Threat protection, Sandboxing, and Data loss prevention for Zscaler.
• Roll out stable versions of Zscaler Client connectors for production after testing with AD and test groups.
• Create URL Recategorization, wildcards, VPN gateway bypass, Blocked URLs, and domains according to the SOC(Security Operations Center) and BISO (Business Information Security Officer) requirement.
• Administer Zscaler Internet Access and Private Access, overseeing cloud production and conducting rigorous PAC file testing in UAT (User Acceptance Testing) environment prior to official proxy roll-out.
• Deploy Zscaler VPN (ZPA) solution across multiple client locations, ensuring seamless and secure remote
  access.
• Create application segments, app connectors, server groups , connector groups and access policy in ZPA.
• Configure the posture profiles for both ZIA and ZPA for client environments.
• Configure and monitored general data center information and key SaaS (Software as a Service) applications (e.g., Office365, Online, Salesforce, Box) using ICMP, or UDP synthetic probes running on user devices in near real-time.
• Possess advanced remote troubleshooting capabilities to perform detailed analyses of problematic devices, including system process-level monitoring, full network path information with ASN (Autonomous System Number) and ISP (Internet Service Provider) details, country hop information, and packet tracing.
• Collect real-time device health information, including CPU usage, memory usage, Network IO, Disk IO, Wi-Fi signal strength, etc., for user devices to ensure optimal performance.
  Set up and managed threshold-based alerting mechanisms for SLA monitoring to ensure compliance with service level agreements.
• Generate executive insights reports, and digital experience analytics aggregated at organization, location, and application levels to provide actionable insights for decision-making and strategy formulation
• Good communication skills in English & Japanese speaking
• Native Japanese or JLPT N1/N2 certified

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at  us.nttdata.com

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