INFRASTRUCTURE STACK // CCNA ➔ AWS ARCHITECT

Core Network Engineer Transitioning to AWS Cloud.

Senior Infrastructure Engineer leveraging 4.8 years of production routing knowledge to architect highly available physical systems while provisioning secure, unmanaged AWS cloud environments[cite: 1].

Kishmat Subba Profile Headshot

Technical Matrix

Core operational capabilities mapped across traditional and virtual fabrics[cite: 1].

Enterprise SD-WAN

Orchestrating resilient multi-point edge frameworks configured to scale without packet loss criteria across nodes[cite: 1].

  • Cisco Meraki SD-WAN Routing[cite: 1]
  • Automated Mesh Auto VPN Arrays[cite: 1]
  • Security Isolation & Threat Remediation[cite: 1]

Core Routing

Configuring data center physical switching layers and managing critical exchange lines[cite: 1].

  • BGP Converging, VLAN Splits, DHCP[cite: 1]
  • Telemetry Isolation via Wireshark Analyzers[cite: 1]
  • Lab-Scale Firmware Integrity Inspections[cite: 1]

AWS Cloud Native

Deconstructing static layout restrictions into modular, programmable virtual cloud nodes[cite: 1].

  • Isolated Multi-AZ VPC Architecture[cite: 1]
  • EC2 Instance Optimization & Elastic Backends[cite: 1]
  • Granular IAM Identity Governance Policies[cite: 1]

Professional Path Log

Chronological milestones across core network support environments[cite: 1].

Specialist — Unmanaged NOC Tier 2

HCLTech
2026 – Present[cite: 1]

Isolating complex tier-2 operational routing incidents, driving configuration recovery routines, and verifying transport layer path stability globally[cite: 1].

Senior Engineer — Cloud & Infrastructure Services

L&T Infotech
2021 – Present[cite: 1]
  • Supervised active configuration layers and deployment scripts for Cisco Meraki assets over 100+ global office domains[cite: 1].
  • Designed and deployed secure backup migrations onto Starlink satellite dishes to establish localized site resiliency loops[cite: 1].
  • Enforced strict network node isolation profiles via deep IDP/AMP perimeter firewall definitions[cite: 1].
  • Authored standard technology execution handbooks (SOPs) to boost multi-team engineering training velocity[cite: 1].

Cloud Architecture

Serverless edge asset propagation blueprints deployed via cloud storage[cite: 1].