Network, Hardware & Cloud Infrastructure Expert

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