Nasir Uddin Khan

SENIOR IT CONSULTANT · ORACLE DBA · ERP ARCHITECT · 18+ YEARS

📞 +880 1715-151882  ·  ✉️ info@khannasir.com
🌐 khannasir.com  ·  💼 linkedin.com/in/nasir-uddin-khan
📍 New Eskaton, Dhaka-1000, Bangladesh  ·  🌍 Worldwide Remote
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Professional Summary

Freelance IT professional with 18+ years of enterprise experience, specializing in IT Infrastructure design and ERP System Design powered by Oracle Database 26ai. Deep expertise across Oracle DBA (RAC, Data Guard, RMAN), SQL Server, MySQL, Oracle WebLogic middleware, full-stack web solutions, SEO, and modern AI integration with ERP. Trusted by software firms, banks, agriculture, pharma and logistics clients across Bangladesh and 10+ countries.

Core Expertise

⭐ IT Infrastructure Design ⭐ ERP System Design Oracle 26ai Oracle RAC Data Guard RMAN SQL Server MySQL WebLogic Linux/Windows AI Integration Full-Stack Web SEO

Database Administration

  • Oracle 11g / 12c / 19c / 21c / 26ai
  • Multi-node RAC cluster configuration
  • Data Guard standby & DR setup
  • RMAN backup & recovery
  • AWR / ADDM performance tuning
  • SQL Server 2019 / 2022 administration
  • MySQL replication & tuning

Infrastructure & Middleware

  • High-availability (HA) architecture
  • Disaster recovery (DR) planning
  • Server & storage capacity sizing
  • Network & firewall topology
  • Linux / Windows server admin
  • Oracle WebLogic 12c / 14c
  • SSL / DNS / hosting management

ERP & AI Integration

  • ERP system design & data modeling
  • AI assistants grounded in ERP data
  • Executive dashboards & SQL reporting
  • Knowledge-base preparation
  • Governed access & audit controls
  • Workflow automation

Web & Digital

  • Full-stack web development
  • Database-backed web systems
  • Web hosting & deployment
  • Technical SEO & performance
  • Schema markup & analytics
  • Multi-site portfolio management

Industries Served

  • Software & IT — Colantec / Colantecity Software and others
  • Banks & Financial Services — Oracle RAC + Data Guard, compliance support
  • Farms & Agriculture — ERP design, inventory, AI insights
  • Pharma & Healthcare — Validated systems, manufacturing reporting
  • Logistics & Manufacturing — ERP integration, executive analytics

Global Customer Footprint

Delivered engagements across 🇧🇩 Bangladesh · 🇮🇳 India · 🇦🇪 UAE · 🇸🇦 Saudi Arabia · 🇲🇾 Malaysia · 🇸🇬 Singapore · 🇬🇧 United Kingdom · 🇺🇸 USA · 🇨🇦 Canada · 🇦🇺 Australia.

Languages

English (Professional) · Bengali / বাংলা (Native) · Hindi (Conversational)