Infrastructure Engineer

Build.
Automate.
Scale.

Hi, I'm Dhiraj Kumar Singh. I build secure, full-stack infrastructure across Linux, VMware, Oracle Cloud, Oracle Database, Oracle EBS Applications, storage solutions and automation for enterprise workloads.

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Linux VMware Oracle Cloud Oracle Database Oracle EBS Storage Veeam Ansible
Dhiraj Kumar Singh

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$ whoami

Dhiraj Kumar Singh


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Infrastructure Engineer


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Linux
VMware ESXi
vCenter
Oracle Cloud Infrastructure
NetApp Storage
Veeam Backup
Automation
Shell Scripting


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● ONLINE

About Me

Designing reliable infrastructure with security, performance and automation at the core.

Linux Administration

Managing enterprise Linux servers, hardening systems, performance tuning, storage management, service troubleshooting and automation.

Virtualization

Working with VMware ESXi, vCenter, HA, DRS, vMotion, Snapshots and enterprise virtualization.

Cloud & Backup

Oracle Cloud Infrastructure, Veeam Backup, NetApp Storage, object storage, replication and disaster recovery.

Oracle Database & Apps

Database administration (10g-19c), Oracle EBS (11i, 12.2.x), WebLogic, cloning, patching and full-stack enterprise support.

Technical Skills

Technologies I work with daily.

Operating Systems

  • RHEL
  • Ubuntu
  • Oracle Linux

Virtualization

  • VMware ESXi
  • vCenter
  • HA
  • DRS

Storage

  • NetApp
  • SAN
  • NAS
  • LUN

Backup

  • Veeam
  • Snapshots
  • Replication
  • Recovery

Cloud

  • Oracle Cloud
  • OCI CLI
  • Object Storage

Automation

  • Bash
  • Ansible
  • Git
  • HTML/CSS

Oracle Database

  • Oracle 10g, 11g, 12c, 19c
  • Database Administration
  • Performance Tuning
  • Backup & Recovery

Oracle EBS Apps

  • 11i, 12.2.1 to 12.2.7
  • WebLogic Server
  • Cloning & Patching
  • Module Administration

Services & Expertise

Comprehensive infrastructure support across virtualization, storage, backup, databases, and enterprise applications.

💻 Virtualization & Cloud

  • VMware ESXi & vCenter Administration
  • VMware HA, DRS, vMotion Optimization
  • Proxmox Configuration & Management
  • Virtual Infrastructure Design & Migration
  • Hypervisor Tuning & Performance
  • Oracle Cloud Infrastructure (OCI) Deployment

🔄 Backup & Disaster Recovery

  • Veeam Backup & Replication
  • Zerto Continuous Replication
  • Backup Strategy & Architecture
  • Disaster Recovery Planning
  • RTO/RPO Optimization
  • Recovery Testing & Validation

📦 Storage & SAN

  • HPE Storage Administration
  • SAN Configuration & Management
  • Storage Provisioning & Optimization
  • LUN Management & Replication
  • Performance Tuning
  • Snapshot & Thin Provisioning

🐧 Linux & Operating Systems

  • Linux System Administration
  • RedHat, Ubuntu, Oracle Linux Support
  • System Hardening & Security
  • Performance Tuning & Optimization
  • Troubleshooting & Support
  • Patch Management & Updates

🗄️ Database & Enterprise Apps

  • Oracle Database Administration (10g-19c)
  • Oracle EBS Applications (11i, 12.2.x)
  • WebLogic Server Configuration
  • Database Cloning & Patching
  • Performance Tuning & Optimization
  • Full-Stack Database & Apps Support

⚙️ Automation & Integration

  • Ansible Automation & Playbooks
  • Infrastructure as Code
  • Bash & Shell Scripting
  • System Integration & Migration
  • Configuration Management
  • DevOps & CI/CD Support

Need Infrastructure Support?

Whether it's virtualization, backup, storage, databases, or enterprise applications — I provide end-to-end support across your full infrastructure stack.

Get in Touch

Knowledge Base

Sharing practical expertise from enterprise infrastructure, cloud deployments, databases, EBS applications, Linux administration and backup solutions.

Featured

VMware HA & DRS Cluster Resilience

Learn how VMware High Availability and Distributed Resource Scheduler improve uptime, workload balancing and business continuity inside enterprise environments.

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OCI Cloud

Hyper-V to OCI Migration Guide

Step-by-step guide: backing up Hyper-V VMs, converting to VMDK format, uploading to OCI Object Storage, and deploying as custom images.

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Linux

Linux Performance Monitoring

CPU, Memory, Disk and Network troubleshooting techniques used on production servers.

Coming Soon
Backup

Veeam Backup Best Practices

Enterprise backup strategy, repository planning, immutability and recovery.

Coming Soon
Oracle Cloud

Deploying Backup to OCI

Using OCI Object Storage, CLI, Buckets, API Keys and automation.

Coming Soon
Storage

NetApp Administration

Volumes, LUNs, Snapshots, Replication, Storage efficiency and monitoring.

Coming Soon
Automation

Infrastructure Automation

Automating repetitive administrative tasks using Bash, Git and Ansible.

Coming Soon
Oracle Database

Oracle Database Performance Tuning

Advanced tuning techniques for 10g through 19c, SQL optimization, indexing strategies, and monitoring best practices.

Coming Soon
Oracle EBS

EBS Patching & Cloning Strategy

Safe cloning approaches, patch management cycles, WebLogic configuration, and minimizing downtime during updates.

Coming Soon
Oracle Database

19c Upgrade Path & Migration

Planning, testing, and executing database upgrades from 11g/12c to 19c with zero-downtime strategies.

Coming Soon

3+

Enterprise Platforms

24×7

Production Support

100%

Passion for Learning

∞

Curiosity

Let's Build Something Great

Have an infrastructure challenge, Linux issue, VMware deployment or cloud project? Let's connect.

Email

dhirajsinghlive@gmail.com

GitHub

github.com/djectory

Website

www.djectory.com

Location

India