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✅ ABOUT ME: I am a Professional Full Time Freelancer. I have 8+ years of experience working on Windows/Linux server administration, CICD Devops ,AWS, Azure, windows/Linux troubleshooting, HyperV, proxmox servers, DNS records mapping, IIS, Domains and DNS records management, active directory, web server, webhosting, databases administrations and Mail server implementations, administrations for the mail services MS Office365, Gsuite, Zimbara and postfix . ✅ WHY ME? • Full-time Professional – I work on Upwork as a full-time freelancer. I take every project seriously and I am highly professional. • Highly responsive – I’ll always get back to you in less than 02 hours. • 100% Client satisfaction – I provide revisions and modifications even after our contract ends. • I provide accurate solutions and just as important, I can guide you to future prospects and put your project on the right track. • Good communication skills – You will find me very friendly to talk to. ========================================= #Windows Servers - clients #Linux Server - clients #Web servers - IIS, Apache, XAMPP, Nginx and Tomcat #Database Servers - MSSQL, ORACLE, MYSQL, MongoDB #Webhosting tools- Plesk, cPanel and CWP #Cloud services providers - AWS, Azure, GCP, Digital Ocean, World stream, OVH Cloud, Hetzner and Hosting raja #Hosting providers - Hostinger, Bluehost, Namecheap, Godaddy, Bigrock and Hostgator #Active Directory - setup, users creation, Centralized Management, policy creation and enhanced Security #Troubleshooting - L1, L2 Tools used ============== Github, SVN IIS,Apache,Tomcat,Nginx , Apache Kafka and Wordpress SSH, RDP, VNC, Anydesk, Splashtop and screen connect Mobaxterm,Toad,SSMS and Workbench Plesk,WHM,Cpanel Active Directory, IAM Servicenow, Redmine, Microsoft Teams and Slack Previous Clients Feedback: 1- "Karthik was an exceptional Upworker to deal with. He was responsive, communicative, knowledgeable and proactive at solving my urgent technical issue (my businesses website was down for an unknown reason) and I wouldn't hesitate to recommend him to anyone else seeking an excellent technical support specialist. Thank you Karthik!" 2- "Karthik went above and beyond to progress with a very difficult issue in a very short period of time. He is kind, hard-working, and knowledgeable." 3- "I recently had the pleasure of working with "Karthik Raja" on installing PMB Software project, and I must say it was an outstanding experience from start to finish. I highly recommend "Karthik Raja" to anyone seeking top-notch freelancing services." 4- "he provides ideas to solve our problems he is a best gem have ever met. He focused only in customer satisfaction. no negative reviews." So why wait? Just invite me to your job on Upwork so we can discuss how to make your project a success. Let’s work together and get it done!! Thanks, Karthik

Hello! I’m Faisel Ahmed, an experienced Infrastructure Architect with over 8 years of expertise in designing, deploying, and managing scalable IT infrastructures — from on-premises datacenters to hybrid and cloud-native environments. I specialize in Microsoft Azure, Windows Server, and Enterprise Network Architecture, delivering end-to-end infrastructure solutions that are secure, resilient, and performance-optimized. My focus is on helping businesses modernize their infrastructure, automate processes, and enhance security posture while maintaining operational excellence. Cloud Infrastructure (Azure): 1. Azure AD, Azure Virtual Machines, VNet Peering, VPN Gateway, Load Balancers 2. Azure Backup & Site Recovery, Azure Monitor, Security Center 3. Hybrid setups with on-prem AD sync and Azure Arc-enabled servers Server Administration & Virtualization: 1. Windows Server 2012–2022 | Active Directory | Group Policy | DNS | DHCP 2. VMware ESXi, vCenter, Hyper-V, Failover Clustering 3. File Server, Print Server, and IIS Administration Networking & Security: 1. Core Switching & Routing (Cisco / UniFi / Fortinet) 2. Firewall Design, VLAN Segmentation, VPN & SD-WAN Configuration 3. Endpoint Security, Patch Management, and ISO 27001-aligned policies Automation & Monitoring: 1. PowerShell scripting for automation 2. Monitoring with Azure Monitor, PRTG, or Zabbix 3. Log Analytics, Backup Automation, and Alerts What I Deliver 1. End-to-end infrastructure design and implementation 2. Azure migration and hybrid integration 3. Server & network hardening (ISO 27001, CIS benchmarks) 4. Disaster recovery planning and documentation 5. Network redesign, segmentation, and optimization 6. Proactive infrastructure maintenance & automation scripts Why Clients Choose Me I bring both technical depth and practical field experience — from configuring enterprise networks and VMware clusters to executing large-scale Azure migrations. My solutions are well-documented, cost-efficient, and aligned with best practices to ensure reliability and long-term scalability. If you’re looking for someone who can design, troubleshoot, and optimize your IT infrastructure with precision and care — let’s connect and bring your vision to life!

I help businesses design, migrate, secure, troubleshoot, and stabilize cloud and IT infrastructure across AWS, Azure, Windows, Linux, Microsoft 365, Google Workspace, VMware, and hybrid environments. I bring more than 18 years of hands-on enterprise infrastructure experience and hold the AWS Certified Solutions Architect – Associate certification. My focus is on dependable implementation, minimal disruption, clear communication, and practical documentation. How I can help: - AWS and Azure cloud infrastructure design, deployment, administration, and troubleshooting - Windows Server, Linux, Active Directory, Group Policy, DNS, and DHCP - Microsoft 365, Entra ID, Exchange Online, and Google Workspace administration - Infrastructure troubleshooting, root-cause analysis, and incident recovery - Cloud, server, application, website, and business email migrations - DNS, SSL/TLS, CDN, domain, and web-hosting configuration - SPF, DKIM, DMARC, MX, SMTP, mail flow, and email-delivery troubleshooting - VMware vSphere, storage, backup, disaster recovery, and access reviews - Terraform, infrastructure as code, PowerShell, Bash, and operational automation - Infrastructure assessments, technical documentation, and handover My cross-technology experience helps me trace problems across cloud, servers, identity, networking, DNS, email, storage, databases, and applications rather than treating each system in isolation. I support both new deployments and existing environments, including modernization, migrations, service recovery, performance troubleshooting, security improvements, and ongoing infrastructure support. I begin by understanding the current environment, technical dependencies, business risks, and required outcome. I then implement changes carefully, validate the completed work, and provide clear documentation and recommendations for ongoing operations. My aim is to deliver infrastructure that is stable, secure, well documented, and practical to operate.

******************************************************************************************************* I have 14+ Years of IT Experience. Worked with various customers and handled multiple issues and scenarios. ******************************************************************************************************* Hands-on experience on following Technology and Skills ** Amazon Web Services. * AWS Server Migration Service * CloudEndure * Appstream * AWS VPN Config ( Site to site VPN & point to Site VPN) * AWS EC2, EBS * AWS Stoage Gateway * AWS Data Sync * Application Migration Service * AWS S3 EFS * AWS AD connector * AWS Load balancer configuration ** Microsoft Azure * Azure Virtual Machine, Web App & Scale Set * Azure Virtual Network, Route table * Azure File sync * Azure Storsimple * Azure ARM Template * Azure Devops * Azure VPN ( Site to site & point to Site) * Azure Recovery Services vault. * Azure Key vault * Azure AD Connector Automation:- * AWS Cloudformation Template * Azure ARM Template * Terraform * Ansible * Powershell ( Azure, AWS, Vmware, Windows) Devops:- * Azure Devops * AWS Devops * Jenkins * Git Repo *******************************************************************************************************