Karthikeyan S

IT Infrastructure & Network Manager with 15+ years of experience managing enterprise networking, multi-site infrastructure operations, network security, WAN connectivity, and infrastructure transformation projects. Experienced in supporting 1,000+ users across multiple production centers in India, leading technical teams, managing vendors and ISPs, and delivering high-availability network services. Strong expertise in Cisco networking, Fortinet security solutions, SD-WAN deployment, network monitoring, and stakeholder management.

IT Infrastructure & Network Team Manager at IKS Health (2024-01 – Present)

• Manage infrastructure across five production centers supporting 1,000+ users.
• Lead SD-WAN deployment and network transformation initiatives.
• Primary SPOC for ISPs, vendors, and global stakeholders.
• Lead IP subnet migration and network standardization projects.
• Migrated five centers to SD-WAN with minimal downtime.
• Successfully completed enterprise-wide IP migration.

Network Services Lead at Aquity Solutions (2019-01 – 2024-01)

• Managed multi-site network operations.
• Administered Cisco switching and FortiGate security platforms.
• Led a 10-member support team.
• Managed network monitoring and vendor relationships.
• Centralized VPN and application connectivity architecture.
• Supported infrastructure integration initiatives.

Network Engineer at MModal (2011-01 – 2019-01)

• Managed LAN, WAN, Wi-Fi, routing, switching and firewall operations.
• Supported customer connectivity and infrastructure deployment projects.
• Supported deployment of multiple 200+ seat centers.
• Implemented QoS and traffic optimization policies.

IT Lead at CBay Systems (2009-01 – 2011-01)

System & Network Administrator at Janya Solutions (2007-01 – 2009-01)

System Administrator at Northeast Dataa Network (2005-01 – 2007-01)

Diploma in Computer Science & Engineering