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NTT DATA, Inc.

Network Engineer

7-9 Years
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  • Posted 12 hours ago
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Early Applicant

Job Description

Key Skills & Experience

  • 7+ years of professional experience in enterprise networking/security.
  • Strong hands-on expertise with:
  • Cisco Wireless (C9800 controllers & APs)
  • Palo Alto NGFW (with Panorama)
  • Familiarity with SilverPeak SD-WAN.
  • Practical experience with monitoring tools (Cisco DNA Center, SolarWinds, Infoblox, etc.).
  • Knowledge of routing protocols (BGP, OSPF, MPLS) and VPN solutions.
  • Proficiency in ServiceNow as an ITSM tool.
  • Strong troubleshooting and vendor coordination skills.

Core Responsibilities

Network & Wireless Operations

  • Administer and maintain Cisco Wireless Infrastructure (C9800 controllers and access points), ensuring performance, stability, and scalability.
  • Perform wireless configuration, troubleshooting, patching, and upgrades.
  • Collaborate with vendors on RMA, bug fixes, and feature requests.

SD-WAN & Network Infrastructure

  • Support and administer SilverPeak SD-WAN solutions.
  • Assist with LAN/WAN design, routing protocols (BGP, OSPF, MPLS), and migrations across vendors.
  • Apply patches and firmware updates to Cisco LAN switches and wireless controllers (Catalyst 9000 and Nexus 9K).

Firewall & Security Operations

  • Manage and operate Palo Alto NGFW with Panorama: rule configuration, audits, firmware upgrades, and policy cleanups.
  • Act as first responder for security incidents reported by the Cybersecurity team.
  • Maintain VPN solutions (IPSec, SSL, GRE)
  • Radware WAF and Load Balancer (AppWall) administration, including certificate renewal, application migration support, policy tuning, and lifecycle management.

Monitoring & Incident Management

  • Monitor network and wireless performance using Cisco DNA Center, Cisco Prime, SolarWinds, Infoblox, Cacti, Smokeping and other enterprise tools.
  • Work with ServiceNow for incident, change, and problem management, ensuring timely updates and escalations.
  • Troubleshoot and resolve complex network/security issues, escalating as needed.

Collaboration & Documentation

  • Provide weekly status updates to regional/global teams and collaborate with vendors.
  • Maintain accurate process documentation, architecture diagrams, and technical standards.

Preferred Qualifications

  • Certifications: CCNA/CCNP(Wireless or Security), PCNSA/PCNSE.
  • Familiarity with ITIL processes (incident, change, and problem management).
  • Experience in project coordination and RFP preparation

Nice to Have

  • Experience with automation/scripting for wireless/firewall tasks with Backbox.
  • Exposure to Radware WAF, smart office workplaces, and disaster recovery planning.
  • Strong presentation and documentation skills for management reporting.

More Info

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About Company

Job ID: 139210659

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