IN

Network Engineer

Infosys Limited
Chennai Posted 14 Oct 2026
FULL TIME
Ntp
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Job Description

Key Responsibilities:

  • Job Overview
  • This position is tasked with guaranteeing the availability, performance, security, and reliability of LAN, WAN, and wireless networks that facilitate business operations.
  • The successful applicant will possess excellent troubleshooting abilities, hands-on experience with Cisco networking technologies, and a strong commitment to maintaining stable and secure IT environments.
  • Core Responsibilities
  • Administer, monitor, and manage the enterprise network infrastructure, including routers, switches, wireless networks, and associated network services.
  • Configure and troubleshoot Layer 2 and Layer 3 networking challenges throughout the corporate landscape.
  • Provide support for LAN, WAN, WLAN, and internet connectivity services to ensure seamless business operations.
  • Implement and uphold routing and switching configurations in compliance with organizational standards.
  • Monitor network performance, identify potential bottlenecks, and proactively suggest enhancements.
  • Investigate and resolve network incidents, outages, and service degradations within established SLAs.
  • Execute network upgrades, firmware updates, patches, and configuration backups.
  • Collaborate with internal IT teams, including Service Desk, Systems Administration, Security, and Cloud Infrastructure teams.
  • Engage in infrastructure projects, network expansion initiatives, and technology refresh programs.
  • Ensure adherence to organizational policies, security protocols, and audit requirements.
  • Required Qualifications
  • Bachelor's degree in Computer Science, Information Technology, Electronics Communication, or a related field.
  • A minimum of 3 years of experience in network administration, network operations, or network engineering.
  • Hands-on experience with Cisco routers and switches.
  • Technical Skills
  • Routing
  • Static Routing
  • OSPF
  • EIGRP
  • Basic BGP Concepts
  • Route Redistribution
  • Route Summarization
  • Switching
  • VLANs
  • Trunking
  • STP RSTP
  • Inter VLAN Routing
  • EtherChannel
  • Switch Stack Management
  • Network Fundamentals
  • TCP/IP
  • DNS
  • DHCP
  • NAT
  • ARP
  • ICMP
  • SNMP
  • NTP
  • Preferred Qualifications
  • Cisco Certified Network Associate (CCNA)
  • Familiarity with network security technologies, including firewalls and VPNs.
  • Experience with wireless networking solutions.
  • Knowledge of cloud networking concepts, including Microsoft Azure and/or AWS.
  • Exposure to ITIL-based service management environments.
  • CCNA Certification is preferred but not mandatory.

Preferred Skills:

Technology->Networking->Routing & Switching
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