Job Summary

Principal I, Network &

- Server Operations is responsible for supporting, maintaining, and troubleshooting enterprise network and server environments, with a strong focus on Cisco and Juniper-based LAN infrastructure. This role requires hands-on expertise in CCNA-level networking, incident resolution, and operational support to ensure high availability and performance across the organization s network systems.

Key Responsibilities

- Network Operations &
- Support

- Monitor and maintain enterprise LAN/WAN environments, ensuring optimal network performance and uptime

- Perform Level 1/Level 2 troubleshooting of network issues, focusing on Cisco-based infrastructure

- Support configuration, maintenance, and troubleshooting of:

- Switches (Juniper, Catalyst series, Nexus preferred)

- Routers

- VLANs, trunking (802.1Q), and inter-VLAN routing

- Diagnose and resolve connectivity issues including:

- IP addressing and subnetting problems

- DNS, DHCP, and routing-related incidents

- Layer 2/Layer 3 connectivity issues

- LAN Troubleshooting &

- Incident Management

- Act as a primary responder for LAN-related incidents and service requests

- Utilize tools such as packet captures, logs, and monitoring dashboards to identify root causes

- Troubleshoot issues related to:

- VLAN misconfigurations

- Spanning Tree Protocol (STP)

- Port security and access control

- Network latency and packet loss

- Cisco VoIP and other voice issues

- Escalate complex issues to senior engineers or vendors as needed

- Server &

- Infrastructure Support

- Support server connectivity within the network (physical and virtual environments)

- Coordinate with server, storage, and application teams to resolve cross-functional issues

- Assist in maintaining infrastructure documentation, asset inventories, and configurations

- Change &

- Configuration Management





- Execute standard network changes following change management processes

- Assist in configuration and deployment of network devices

- Maintain accurate documentation of network topology, configurations, and procedures

Monitoring &

- Continuous Improvement

- Monitor network health using enterprise tools (e.g., Logic Monitor, SolarWinds, PRTG, or similar)

- Identify recurring issues and recommend improvements

- Participate in root cause analysis and post-incident reviews

Key Requirements/Minimum Qualifications

- 12 - 15 years of total experience with Bachelor s degree in Information Technology, Computer Science, or related field (or equivalent experience)

- Cisco Certified Network Associate (CCNP) certification (required or strongly preferred)

- 8+ years of relevant experience in network operations or NOC environments

- TCP/IP, subnetting, and routing fundamentals

- CISCO IOS CLI, Juniper MIST, L2 Support

- VLANs, STP and basic routing protocols (OSPF, EIGRP).

- Proven experience in LAN troubleshooting in enterprise environments.

Preferred Qualifications

- Experience with Cisco switching platforms (Catalyst, Nexus)

- Familiarity with network monitoring and ticketing tools (ServiceNow or similar)

- Basic understanding of firewalls and network security concepts

- Experience supporting virtualized or cloud-connected environments (AWS)

- ITIL knowledge or certification.

Key Skills &
- Competencies

- Strong analytical and problem-solving skills

- Ability to troubleshoot under pressure in a rapid-paced environment

- Excellent communication and collaboration skills

- Detail-oriented with a focus on documentation and process adherence

- Ability to prioritize and manage multiple tasks effectively.

Work hours

1 PM to 10 PM IST

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Principal I, Network & Server Operations (T) (Bengaluru)
🏢 Alcon Laboratories
📍 Bengaluru