Network Support Engineer

Company Description

Infonet Solutions is a leading provider of technology solutions specializing in cloud services, cybersecurity, and managed IT solutions. We help businesses modernize their IT infrastructure, secure digital environments, and enable seamless transformation in an ever-connected world. With expertise in cloud migration, network management, and digital transformation, we deliver customized and scalable IT solutions that evolve with clients’ business needs.

Our focus on reliability, security, and scalability allows businesses to operate with confidence and deliver value to their customers. We aim to be a trusted partner in powering business growth and innovation.

Role Description

This is a full-time, on-site role for an L2 Network Support Engineer . The candidate will be responsible for managing and troubleshooting complex network environments, ensuring uptime, and implementing best practices in network administration. The role demands deep expertise in LAN / WAN, VLANs, SD-Access, and Cisco DNA Center, with hands-on experience in both IT and OT network ecosystems.

Key Responsibilities

Perform complete network administration for LAN, WAN, VLANs, SD-Access, Wireless, DNA Center, and ISE.

Follow change management and backup procedures as per client policies.

Provide L2 troubleshooting for switches, routers, wireless controllers, and network endpoints.

Manage onboarding of new switches and access points for IT and OT environments.

Handle DNAC, ISE, and AD-related troubleshooting including authentication, policy configurations, and segmentation.

Monitor and maintain business-critical VLANs, servers, and supportive devices via NOC.

Coordinate with OEMs for hardware replacement, firmware upgrades, and technical escalations.

Manage firewall configurations, logging, and vendor coordination for change management.

Ensure server room and network rack maintenance as per SOP.

Participate in daily monitoring meetings (DWM) and support audit, cybersecurity, and backup activities.

Qualifications

Education :

Diploma or Degree in IT, Electronics, or a related field.

Cisco or equivalent networking certification (mandatory).

Experience :

Minimum 5 years in network administration (VLAN, SDA, LAN / WAN).

Technical Skills :

Strong understanding of network protocols and standards (BGP, VRF, LISP, ISIS).

Hands-on with Cisco DNA Center, ISE, WLC, and network security systems.

Proficient in firewall management, network monitoring, and endpoint troubleshooting.

Knowledge of server operations, antivirus systems, and Active Directory management.

CCNA Certification (Mandatory)

Soft Skills

Strong analytical and troubleshooting abilities.

Excellent communication and coordination skills.

Proactive approach to network optimization and issue resolution.

Commitment to safety, documentation, and continuous improvement.

Work Conditions

Work Type :  Full-time, On-site

Location :  Sriperumbudur

Hours :  24x7 rotational shifts (NOC-based)

Travel :  May be required between client sites.