Sr Network Engineer

Posted 50 minutes ago
Tata Consultancy Services
Job Description

Must Have Technical/Functional Skills:

  • Knowledge on network troubleshooting for Large Data Centers, Large WAN/Network environment.
  • Juniper Switching (Must Have)
  • Provide L3 support for Juniper EX Series Switches. Configure and troubleshoot:

 VLANs, STP/RSTP/MSTP ,LACP , Virtual Chassis

 Routing Protocols , Perform switch upgrades, patching, and hardware replacements.

 Troubleshoot Layer 2 and Layer 3 network issues

  • Aruba Wireless with experience on Clear Pass (Must Have)
  • Provide advanced support for Aruba Mobility Controllers and Wireless Networks.
  • Troubleshoot wireless connectivity, roaming, authentication, and performance issues.
  • Perform wireless health checks and optimization activities.
  • Configure and support:

 SSIDs ;AP Groups ;RF Optimization ;Client Load Balancing ;Mobility & Roaming

  • Manage integrations with ClearPass, RADIUS, and Active Directory.
  • FortiGate SD-WAN (good to have upto L2)
  • Provide L3 support for Fortinet Secure SD-WAN infrastructure.
  • Design, configure, and troubleshoot SD-WAN policies, SLAs, and application steering.
  • Manage IPSec VPN, SSL VPN, Dynamic Routing, and WAN optimization.
  • Troubleshoot routing, security, and performance-related issues.
  • Support HA clusters, firmware upgrades, and migration activities.
  • Analyse logs using FortiAnalyzer and manage configurations using FortiManager.
  • Experience: 8–12 Years (L3)
  • Hand-On experience working with a large Infoblox and Aruba ClearPass deployment.
  • Expert level knowledge with various protocols such as VRRP, HSRP, STP, LACP, SNMP.
  • Recognize the importance of customer focus and/or of serving the needs of the end user.
  • Productivity Tools: Word, Excel, PowerPoint & Visio.

Roles & Responsibilities

  • 24x7 Remote Network Monitoring & Management.
  • Own the networking issues connecting and supporting the corporate and shared network environment.
  • Drive critical issue resolution/Break-Fix for P1/P2 issues.
  • Coordinate and work with the external vendors for various operational issues and projects.
  • Provide hardware support & maintenance for all networking components.
  • Manage existing and new networking sol utions, including monitoring the network stability and uptime.
  • Handle various projects related to site expansion, Hardware Refresh, Technology refresh as required.
  • Handle escalated issues from L1/L2 team and provide timely resolution.
  • Responding and documenting outages and circuits down through incident reporting.
  • Identify corrective actions for critical incidents and drive them to closure to ensure stability through Problem management process.
  • Interact with various internal users in evaluating the needs and building a right solution to meet the requirements.
  • Documentation and change control.
  • Mentor junior team members and provide guidance in various change tasks.
  • Monitor event logs and services to be proactive in identifying potential issues.
  • Attend scheduled network change calls impacting the network availability.
  • Shift Handover and Shift Updates.
  • CCNP, Juniper Switching , Palo Also Certification would be an added advantage.

Generic Managerial Skills

  • Bachelor’s degree in technology or any other bachelor’s degree
  • ~10 years of Enterprise / Telecom Network infrastructure relevant experience.
  • Detailed, oriented with excellent communication skills (written & oral) particularly the ability to communicate with staff who aren't technically trained.
  • Presentation skills, quick learner, self-initiated, team player, open to work in shifts to support and monitor the Global Network Infrastructure.
  • Excellent interpersonal skills needed to work with various levels of technical staff members.
  • Strong analytical and problem-solving skills with demonstrated ability to execute against deadlines.
  • Work with internal customers in managing requests/changes/incidents for your areas of work.
  • Work with global teams to provide support and complete IT projects.
  • Manage and prioritize multiple tasks. Ability to manage timelines and meet tight deadlines.
  • Self-motivated, constructive and positive attitude.
  • Possess good understanding of infrastructure management processes; knowledge on ITIL framework.

Salary Range: $86,000 - $120,000 a year

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