Job Description

Full-Time, On-site, Kolkata


Core Skills

  • Routing, switching, VLANs, TCP/IP, DNS, DHCP
  • Firewalls, VPNs, IDS/IPS, network segmentation
  • Physical servers, SAN/NAS, VMware or Hyper-V
  • Data center operations: rack, power, cooling
  • AWS, Azure, or GCP (hands-on)
  • VPC/VNet design, peering, NAT, gateways
  • Load balancers, autoscaling, IAM (infra level)
  • Hybrid connectivity: Site-to-Site VPN, Direct Connect, ExpressRoute
  • Infra security, hardening, access control, audit readiness


Key Responsibilities

  • Design and manage LAN/WAN, routing, switching, firewalls, and VPNs
  • Manage physical servers, storage, virtualization, DC operations, and DR
  • Architect and maintain hybrid and cloud infrastructure (AWS/Azure/GCP)
  • Configure cloud networking: VPC/VNet, subnets, gateways, load balancers
  • Ensure security, compliance, monitoring, backup, and high availability
  • Support DevOps and application teams on infra readiness and performance
  • Troubleshoot complex infra, network, and cloud connectivity issues
  • Maintain SOPs, diagrams, and compliance documentation

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