INInfosys Limited
Network Engineer
Chennai Posted 14 Oct 2026
FULL TIME
Ntp
Snmp
Microsoft Azure
Nat
Rstp
+17 more
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.
