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    Job · 12871294

    MUMBAI · FULLTIME

    Network Security Advisor

    NTT DATA BUSINESS SOLUTIONS logo

    NTT DATA BUSINESS SOLUTIONS

    Mumbai · onsite · Posted 61d ago

    Sourced fromNaukri
    Undisclosed12–17 yrsfulltimeMumbai

    About a minute. You'll make an account on the way through.

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    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
    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
    • 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
    Professional Qualifications
    • 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
    Professional Attributes
    • 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
    Experience Requirement
    • 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 logo

    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

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