Available for Freelance Projects

Sr. Linux & Cloud
Infrastructure Expert Nitin Kumar

12+ years engineering scalable Linux servers, AWS cloud infrastructure, high-volume email systems, and enterprise-grade security hardening for clients worldwide.

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12+
Years Experience
1000+
Projects Delivered
24/7
Support Available
Nitin Kumar – Sr. Linux & Cloud Expert
☁️
Cloud Expert
AWS Certified
🔒
Security
Hardening Pro
About Me

Founder. Engineer.
Problem Solver.

I'm Nitin Kumar, a Senior Linux System Administrator and Cloud Infrastructure Architect based in Jaipur, India. I founded Hostingshades Technologies Pvt Ltd in 2016 to deliver enterprise-grade server management, cloud architecture, and email infrastructure solutions to global clients.

With a B.Tech from Poornima University and 12+ years of hands-on experience, I specialise in designing and managing high-availability Linux environments, migrating complex workloads to AWS and other cloud platforms, and engineering bulletproof email delivery systems capable of sending millions of emails per day.

I provide 24×7 support and work with startups, SMBs, and enterprises across the globe — available on Upwork, Freelancer, and directly via hostingshades.com.

12+
Years in Linux & Cloud
15+
Cloud Platforms Mastered
24/7
Support Availability
1000+
Projects Completed

Hostingshades Technologies Pvt Ltd

A premium web hosting, server management, email marketing, and cloud solutions company run by young and energetic professionals. We deliver faultless, efficient, and dependable services around the clock.

hostingshades.com
info@hostingshades.com
+91 7014206195
Jaipur, Rajasthan, India
What I Do

Services & Expertise

End-to-end infrastructure engineering — from spinning up a single VPS to architecting multi-region cloud environments with zero-downtime email delivery.

☁️

AWS Cloud Architecture

Full lifecycle AWS infrastructure design, deployment, and optimisation for production workloads at any scale.

EC2S3RDS CloudFrontRoute53VPC ELBCloudFormationIAM SESSNS/SQS
🌐

Multi-Cloud & VPS Management

Expert-level management across all major cloud providers and VPS platforms — migration, scaling, and cost optimisation.

Google CloudAzure DigitalOceanLinode VultrAlibabaOVH
🔐

Server Security & Hardening

Comprehensive security auditing, hardening, and vulnerability remediation for Linux servers in any environment.

FIREWALLDUFWIPTABLES CSFSELinuxVMware ESXi KVM
✉️

Email Infrastructure Engineering

High-volume SMTP server setup with full authentication stack — capable of millions of emails daily with inbox delivery focus.

PowerMTAPostfixDovecot AWS-SESIP Rotation DMARCDKIMSPF RDNSFBL
📧

Email Marketing & Automation

Complete mailing application setup and automation toolchain integration for growth-focused marketing teams.

MailWizzInterspireSendy PHPListGo High Level Apollo.aiClayKlaviyo Encharge
🖥️

Web Hosting & Control Panels

Full setup, migration, and management of web hosting environments across all major control panels and web servers.

cPanel/WHMPleskCWP DirectAdminVirtualminHestia NginxApacheLiteSpeed
⚡

High Availability & Load Balancing

Design and implement HA architectures with auto-scaling, failover, and clustering for zero-downtime operations.

HAProxyNginx LB MySQL ClusteringAuto Scaling AnsibleCloudflare
🔄

Server & Email Migration

All types of server migrations with minimal downtime — control panel to control panel, IMAP migrations, cloud migrations.

cPanel→PleskCore→Panel IMAP→IMAPGSuite→O365 ZimbraCloud Migration
🛠️

Software Installation & Support

Expert installation, configuration, and ongoing technical support for web applications, CMS platforms, and enterprise software.

WordPressMagento 2.4 DrupalLaravel GuacamoleTomcat SSL/TLS
Technical Stack

Skills & Technologies

A comprehensive view of every tool, platform, and technology I work with daily.

☁️ Cloud Platforms
AWSGoogle Cloud Microsoft AzureDigitalOcean LinodeVultr Alibaba CloudOVH
🔧 AWS Services
EC2S3RDS CloudFrontRoute53 VPCELB CloudFormationIAM SESSNSSQS WorkMailAmplify EFSLightsail
🐧 Linux & OS
UbuntuCentOS AlmaLinuxRocky Linux DebianRHEL Bash ScriptingSSH
🌐 Web Servers & Panels
NginxApache LiteSpeedLighttpd cPanel/WHMPlesk CWPVestaCP VirtualminWebmin ISPConfigHestia DirectAdminCyberPanel AAPanel
✉️ Email & SMTP
PowerMTAPostfix DovecotExim MailWizzInterspire SendyPHPList MumaraAcelle DMARCDKIM SPFRDNS SpamAssassinFBL
🔒 Security
FIREWALLDUFW IPTABLESCSF SELinuxCloudflare SSL/TLSSecurity Audits Vulnerability Fixes
🗄️ Databases
MySQLMariaDB PostgreSQLMongoDB RedisMySQL Replication RDS
⚙️ Infrastructure & DevOps
AnsibleHAProxy VMware ESXiKVM NFSBackup Management Apache TomcatMagento 2.4 ZimbraGuacamole
📧 Marketing Automation
Go High LevelApollo.ai ClayEncharge KlaviyoOffice 365 Google WorkspaceZoho CRM
Portfolio

Case Studies

Real-world infrastructure challenges solved for global clients — from high-volume email systems to large-scale cloud migrations.

01

High-Volume Email Infrastructure Deployment

Client needed infrastructure capable of sending millions of emails daily for marketing campaigns while maintaining strong sender reputation.

Solution
  • Designed multi-server email infrastructure using PowerMTA and Postfix
  • Implemented IP rotation and reputation monitoring
  • Configured MailWizz and automation workflows
  • Optimised DNS, SPF, DKIM, and DMARC records
Result: System capable of delivering millions of emails daily with improved inbox placement and reliable sending performance.
02

Large-Scale Cloud Migration to AWS

Client required migration from legacy hosting infrastructure to AWS with minimal downtime and full data integrity.

Solution
  • Architected AWS infrastructure using EC2, RDS, and S3
  • Implemented secure VPC networking and IAM roles
  • Configured automated backups and CloudWatch monitoring
  • Optimised load balancing and application performance
Result: Reduced infrastructure downtime significantly, improved scalability, and lowered operational risks during and after migration.
03

High Availability Hosting Architecture

Startup required a reliable hosting environment capable of handling sudden traffic spikes without degradation.

Solution
  • Built load-balanced infrastructure using HAProxy and Nginx
  • Configured redundant web servers with health checks
  • Implemented monitoring and automatic failover strategy
  • Optimised database performance with MySQL replication
Result: Achieved stable infrastructure capable of handling high traffic spikes with significantly improved uptime and reliability.
Hire Me On

Freelance Profiles

Verified profiles with proven track record on the world's leading freelance platforms.

Upwork

Top Rated freelancer profile with verified skills in Linux, AWS, and email infrastructure.

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Freelancer.in

Active freelancer profile with completed projects across server admin, cloud, and security.

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Get In Touch

Let's Work
Together

Have a server that needs securing? A cloud migration? A high-volume email system to set up? I'm available 24×7 — reach out and let's discuss your project.

Phone / WhatsApp
+91 7014206195
Location
Jaipur, Rajasthan, India
Company Website
hostingshades.com

Send Me a Message