New 
Sr Network Engineer
 Tata Consultancy Services | |
$90,000 - $130,000
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 Oct 29, 2026 | |
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Job Description
Must Have Technical/Functional Skills: o
Knowledge on network troubleshooting for Large Data Centers, Large WAN/Network environment. o
Juniper Switching (Must Have) o
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 o
Aruba Wireless with experience on Clear Pass (Must Have) o
Provide advanced support for Aruba Mobility Controllers and Wireless Networks. o
Troubleshoot wireless connectivity, roaming, authentication, and performance issues. o
Perform wireless health checks and optimization activities. o
Configure and support: *
SSIDs ;AP Groups ;RF Optimization ;Client Load Balancing ;Mobility & Roaming o
Manage integrations with ClearPass, RADIUS, and Active Directory. o
FortiGate SD-WAN (good to have upto L2) o
Provide L3 support for Fortinet Secure SD-WAN infrastructure. o
Design, configure, and troubleshoot SD-WAN policies, SLAs, and application steering. o
Manage IPSec VPN, SSL VPN, Dynamic Routing, and WAN optimization. o
Troubleshoot routing, security, and performance-related issues. o
Support HA clusters, firmware upgrades, and migration activities. o
Analyse logs using FortiAnalyzer and manage configurations using FortiManager. o
Experience: 8-12 Years (L3) o
Hand-On experience working with a large Infoblox and Aruba ClearPass deployment. o
Expert level knowledge with various protocols such as VRRP, HSRP, STP, LACP, SNMP. o
Recognize the importance of customer focus and/or of serving the needs of the end user. o
Productivity Tools: Word, Excel, PowerPoint & Visio. Roles & Responsibilities: o
24x7 Remote Network Monitoring & Management. o
Own the networking issues connecting and supporting the corporate and shared network environment. o
Drive critical issue resolution/Break-Fix for P1/P2 issues. o
Coordinate and work with the external vendors for various operational issues and projects. o
Provide hardware support & maintenance for all networking components. o
Manage existing and new networking sol utions, including monitoring the network stability and uptime. o
Handle various projects related to site expansion, Hardware Refresh, Technology refresh as required. o
Handle escalated issues from L1/L2 team and provide timely resolution. o
Responding and documenting outages and circuits down through incident reporting. o
Identify corrective actions for critical incidents and drive them to closure to ensure stability through Problem management process. o
Interact with various internal users in evaluating the needs and building a right solution to meet the requirements. o
Documentation and change control. o
Mentor junior team members and provide guidance in various change tasks. o
Monitor event logs and services to be proactive in identifying potential issues. o
Attend scheduled network change calls impacting the network availability. o
Shift Handover and Shift Updates. o CCNP, Juniper Switching , Palo Also Certification would be an added advantage. Generic Managerial Skills: o
Bachelor's degree in technology or any other bachelor's degree o
~10 years of Enterprise / Telecom Network infrastructure relevant experience. o
Detailed, oriented with excellent communication skills (written & oral) particularly the ability to communicate with staff who aren't technically trained. o
Presentation skills, quick learner, self-initiated, team player, open to work in shifts to support and monitor the Global Network Infrastructure. o
Excellent interpersonal skills needed to work with various levels of technical staff members. o
Strong analytical and problem-solving skills with demonstrated ability to execute against deadlines. o
Work with internal customers in managing requests/changes/incidents for your areas of work. o
Work with global teams to provide support and complete IT projects. o
Manage and prioritize multiple tasks. Ability to manage timelines and meet tight deadlines. o
Self-motivated, constructive and positive attitude. o
Possess good understanding of infrastructure management processes; knowledge on ITIL framework. Salary Range: $90,000 - $130,000 a year #LI-CM2 Location
San Jose, CA
Function
TECHNOLOGY
Role
Senior Engineer
ID
432377
Skills
Cisco Network | LAN/WAN Network Engineer
Salary Range
$90,000 - $130,000 | |