MUMBAI · FULLTIME
Network Security Advisor
NTT DATA BUSINESS SOLUTIONS
Mumbai · onsite · Posted 61d ago
Sourced from
Undisclosed12–17 yrsfulltimeMumbai
About a minute. You'll make an account on the way through.
agent · working
- Read this posting0.2s
- Found the form on Naukri · 15 questions to answer1.4s
- Decided the answers for all of them3.2s
- Tailor your résumé to this role
- Waiting for you
Section · 01
About this role
Job Summary
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 customersnetwork 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.
Role Responsibilities - Act as a Subject Matter Expert (SME), providing advanced technical escalation support to L2/L3 engineers
- 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
- Perform advanced troubleshooting using packet captures, logs, and debugs on Palo Alto firewalls
- 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 customersoverall 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
- 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
- Strong expertise in routing protocols including EIGRP, BGP, along with hands-on exp with switching technologies
- CCIE(Routing Switching) PCNSE certification
- Proven ability to analyze complex technical issues and design optimal, scalable solutions
- Deep understanding of Palo Alto architecture, including templates, stacks, Global Protect, and advanced troubleshooting using packet captures and debugs
- Network design experience is a strong advantage
- 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
- Excellent time management and organizational skills, with the ability to manage multiple operational priorities effectively
- 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
- Excellent customer-facing communication skills with strong service orientation
- Strong time management skills with the ability to balance operational duties and continuous improvement initiatives
- Demonstrates high ethical standards, integrity, and adaptability to changing customer and business needs
- 12+ years of experience in managing LAN WAN Infrastructures
- 12+ yearsexperience in Routing Switching, F5 BIG IP LTM
- 12+ years of experience in Architecture and Design of Palo Alto FWs, Panorama
- 5+ years of experience in Prisma Access/ SASE
Sourced from naukri
Section · 02
Skills
daily operationsfirewallsamazon web servicesNetwork DesignCcieeigrphipaaChange ManagementClient SuccessBankingNetwork SecuritycloudFirewallCommunication SkillsArchitecturemaintenanceAdministrationCiscocomplianceArtificial Intelligence
Section · Company
About NTT DATA Business Solutions

NTT DATA BUSINESS SOLUTIONS
IT Services & Consulting
4k+
employees
1989
37 years old
Hyderabad / Secunderabad, Telangana
India
About
NTT DATA Business Solutions helps clients innovate and transform through expert SAP solutions, advisory, implementation, and managed services.
Industries
IT Services & Consulting
Employee ratings
2,105 reviews
4.1/ 5
Culture
4.0
Career growth
3.5
Work-life
4.0
Employees rate it well for
Work Life Balance176Salary146Senior Management116Work Culture99Work Environment83
Find them on