Network Security Specialist - Palo Alto NGFW, Firewalls

Job description

## About the Role NTT DATA North America is seeking a **Network Security Specialist** focused on Palo Alto Next‑Generation Firewalls (NGFW) to join its team in India. The role involves monitoring, troubleshooting, and resolving Level‑2 security incidents, as well as managing firewall policies and supporting secure network connectivity for clients. ## What You'll Do - Monitor, troubleshoot, and resolve L2 incidents related to Palo Alto NGFW. - Manage and troubleshoot security policies, NAT policies, App‑ID, User‑ID, Content‑ID, URL filtering, and threat prevention. - Configure and maintain WildFire, Anti‑Spyware profiles, GlobalProtect VPN, and 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, failover activities, upgrades, backups, and configuration validation. - Escalate complex issues to L3, vendors, or OEM support as needed. ## 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 Qualifications - 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. - Strong 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. The company focuses on AI, cloud, security, connectivity, data centers, and application services, with experts in more than 50 countries. NTT DATA offers flexible work arrangements, though on‑site attendance may be required based on client needs. The organization is committed to inclusive hiring, responsible innovation, and providing a supportive environment for its employees.

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Salary for this role is not disclosed by the employer. We don’t have enough benchmark data from similar roles to produce a reliable estimate. The actual compensation will be discussed during the interview process.