Zscaler Security Engineer

Req ID: 384797 

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 Security Engineer to join our team in Noida, Uttar Pradesh (IN-UP), India (IN).

Provide L2 support for Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).

Troubleshoot internet access, URL filtering, SSL inspection, and authentication issues.

Manage URL filtering and cloud firewall policies.

Troubleshoot Zscaler Client Connector connectivity issues.

Support user access issues related to ZPA applications.

Troubleshoot application segmentation, access policies, and connector connectivity.

Monitor Zscaler service health and investigate security events.

Support integration with identity providers such as Entra ID, PingFederate, or Active Directory.

Analyze Zscaler logs and prepare incident reports.

Assist with policy changes and change-management activities.

Incident & Operational Responsibilities

Handle L2 incidents within defined SLA timelines.

Perform detailed root cause analysis for recurring issues.

Coordinate with L1, L3, application teams, network teams, and vendors.

Participate in major incident management and troubleshooting bridges.

Create and maintain knowledge base articles and technical documentation.

Perform shift handovers and provide clear incident updates.

Support planned maintenance, changes, and security activities.

Required Skills

Strong knowledge of Palo Alto Networks NGFW and Panorama.

Good understanding of TCP/IP, DNS, HTTP/HTTPS, SSL/TLS, and routing.

Experience with VPN technologies: IPsec and GlobalProtect.

Hands-on knowledge of ZIA and ZPA.

Understanding of SASE and Zero Trust architecture.

Experience troubleshooting proxy, web filtering, and authentication issues.

Familiarity with SIEM tools and log analysis.

Knowledge of ITIL processes, incident management, and change management.

Good communication and documentation skills.

5+ Years of relevant  Experience Security-Threat and Vulnerability-Vulnerability Remediation

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us.

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