NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. We are currently seeking a Network Security Advisor to join our team in Remote, Karntaka (IN-KA), India (IN).
The Network Senior Specialist Advisor is responsible for the daily operations and maintenance of firewall, Prisma, F5, and routing and switching environments across multiple customer infrastructures. This role primarily supports network security products from leading vendors such as Palo Alto, Cisco, and F5. The advisor will design, validate, and troubleshoot network traffic flows, security implementations, and configurations to ensure stable and secure operations.
Network Services include the ongoing management and support of customers' network and security environments. The successful candidate will independently troubleshoot firewall and network traffic issues, maintain accurate and up-to-date documentation for network and security platforms, and support operational processes. The role requires the ability to work independently, resolve complex issues with minimal client input, and appropriately escalate matters when solutions are not immediately apparent.

Key Skills & Experience

Highly experienced Network and Security Architect with 12+ years of hands-on network troubleshooting experience, including at least 5 years in network and security administration
Extensive hands-on experience with Palo Alto Firewalls, Prisma Access / Prisma SASE, Cisco routing and switching, F5, SD-WAN, and AWS networking
Network design experience is a strong advantage
Deliver end-to-end operational support for enterprise Network and Security environments across multiple customers
Troubleshoot and resolve complex issues related to Palo Alto Firewalls, Prisma/GlobalProtect, Routing &Switching;, F5 and associated network traffic flows
Write custom queries and generate operational and security reports using Palo Alto reporting tools




Support daily steady-state operations, including request fulfillment, change management, and participation in weekly on-call rotations
Conduct weekly and monthly health checks across all supported network security platforms
Perform system maintenance activities, including upgrades, patching, and configuration updates
Assist in firewall rule set reviews to enhance customers' overall security posture and compliance
Detect, investigate, and respond to security incidents create customer tickets and manage issues through resolution and closure
Develop and provide clear resolution and remediation plans for device, service, and security issues
Ensure compliance with Service Level Agreements (SLAs), operational standards, and ITIL best practices
Maintain accurate, current documentation for systems, configurations, procedures, and operational activities
Proactively recommend service, process, and technical improvements to optimize the Network Security and Firewall teams
12+ years of hands-on experience in Network and Security administration around Architecture, Design and operations

- Strong understanding of Palo Alto architecture, including templates and stack configurations
- Familiarity with regulatory and compliance frameworks such as SOX, PCI, and HIPAA
- Proven ability to work independently in remote support environments and collaborate effectively across teams

Experience Requirement:

- 12+ years of experience in managing LAN & WAN Infrastructures
- 12+ years' experience in Routing & Switching, F5 BIG IP LTM




- 12+ years of experience in Architecture and Design of Palo Alto FW's, Panorama
- 5+ years of experience in Prisma Access/ SASE

About NTT DATA
NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. 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. 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. 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 and @talent.NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal prospect employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click .

📌 Network Security Consultant - Remote (India)
🏢 NTT Data
📍 India