Information Security Senior Analyst

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

ZIA Administration

Configure and manage Zscaler Internet Access (ZIA). Implement URL filtering, SSL inspection, sandboxing, and cloud firewall policies. Troubleshoot internet access and traffic forwarding issues. Manage PAC files, GRE/IPsec tunnels, and forwarding profiles.

ZPA Administration

Deploy and manage Zscaler Private Access (ZPA). Configure App Connectors, Service Edges, and Application Segments. Support Zero Trust Network Access (ZTNA) initiatives. Troubleshoot application access and authentication issues.

Security Operations

Monitor security incidents and analyze logs. Investigate threats, policy violations, and anomalous activities. Work with SOC, Network, and Endpoint teams during incident response.

Integration & Automation

Integrate Zscaler with:

Azure AD / Entra ID Okta Active Directory SIEM platforms (Microsoft Sentinel, Splunk, QRadar) Automate operational tasks using PowerShell, Python, or APIs.

Troubleshooting

Diagnose issues related to:

PAC files ZCC (Zscaler Client Connector) Authentication SSL decryption DNS resolution Proxy forwarding Application access

Required Skills

Technical Skills

Zscaler Internet Access (ZIA) Zscaler Private Access (ZPA) Zscaler Client Connector (ZCC) SSL Inspection PAC File Management GRE/IPsec Tunnels Network Security

TCP/IP, DNS, HTTP/HTTPS

Authentication Technologies (SAML, MFA, LDAP)

Security Knowledge

Zero Trust Architecture Secure Web Gateway (SWG)