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NTT Data

Global IT services and consulting provider.

Network Security Specialist - Palo Alto NGFW, Firewalls

Security Engineering & ArchitecturePosted on Nov 12
Full-timeBengaluru, Karnataka, IndiaNo salary listedIn-person

About the Job

Requirements

  • Strong knowledge of Palo Alto Networks next-generation firewalls and Panorama.
  • Good understanding of TCP/IP, DNS, HTTP/HTTPS, SSL/TLS, and routing.
  • Experience with VPN technologies, including IPsec and GlobalProtect.
  • Hands-on knowledge of ZIA and ZPA.
  • Understanding of Secure Access Service Edge (SASE) and Zero Trust architecture.
  • Experience troubleshooting proxy, web filtering, and authentication issues.
  • Familiarity with security information and event management (SIEM) tools and log analysis.
  • Knowledge of ITIL processes, incident management, and change management.
  • Good communication and documentation skills.

Responsibilities

  • Monitor, troubleshoot, and resolve Level 2 incidents related to Palo Alto next-generation firewalls.
  • Manage and troubleshoot security policies and network address translation (NAT) policies; App-ID, User-ID, and Content-ID; URL filtering and threat prevention; WildFire and anti-spyware profiles; GlobalProtect VPN; and site-to-site IPsec VPN.
  • Create, modify, review, and clean up firewall policies.
  • Troubleshoot routing, connectivity, NAT, SSL/TLS decryption, and application access issues.
  • Investigate firewall logs and security events using Panorama.
  • Manage address objects, service objects, tags, and security profiles.
  • Support firewall high-availability troubleshooting and failover activities.
  • Participate in firewall upgrades, backups, and configuration validation.
  • Escalate complex issues to Level 3, vendors, or original equipment manufacturer support.
  • Handle Level 2 incidents within defined service-level agreement timelines.
  • Perform detailed root cause analysis for recurring issues.
  • Coordinate with Level 1, Level 3, 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.

About the Company

NTT Data

Global IT services and consulting provider.

NTT DATA is a global IT and business services provider that helps organizations run and transform their technology and operations. It delivers consulting, industry solutions, cloud migration, cybersecurity, data analytics, and managed services to modernize systems and processes. It differentiates itself through its large scale, deep sector expertise in banking, healthcare, manufacturing, public sector, and automotive, and its broad ecosystem of partners with Microsoft, SAP, AWS, and Salesforce. Its goal is to help large enterprises digitally transform and optimize operations at scale using cloud-native approaches and secure IT environments.

Company size
10,001+
Company stage
IPO
Headquarters
Tokyo, Japan
Founded
1988

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