Network Security Specialist - Palo Alto NGFW, Firewalls

Req ID: 383655
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 Network Security Specialist - Palo Alto NGFW, Firewalls to join our team in banglore, Karnātaka (IN-KA), India (IN).
Job Description:
Palo Alto, Monitor, troubleshoot, and resolve L2 incidents related to Palo Alto NGFW.
Manage and troubleshoot:
Security policies and NAT policies
App-ID, User-ID, and Content-ID
URL Filtering and Threat Prevention
WildFire and Anti-Spyware profiles
GlobalProtect VPN
Site-to-Site IPsec VPN
Perform firewall policy creation, modification, review, and cleanup.
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 HA troubleshooting and failover activities.
Participate in firewall upgrades, backups, and configuration validation.
Escalate complex issues to L3, vendors, or OEM support.
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.
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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Work arrangement
No