Hire the Best Application Server Specialists in Chennai, IN

✅ 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

I am 14 years experienced Integration Specialist. For the last 8 years, gained experience in Boomi Integration,Mulesoft,Boomi API, Boomi Flow, EDI. Kindly find my experience below in detail. Experience Summary: --------------------------  14+ years’ experience in integration technologies which includes Dell Boomi, Websphere Enterprise Bus (IBM Integration Designer), Mulesoft with 3 years experience,Websphere Application Server, Websphere Message Broker, IBM Datapower, Websphere Message Queue and IBM Integration Bus with 8+ experience in Dell Boomi Have Built Web Applications in Boomi Flow  Certification and hands-on experience using Dell Boomi as the iPaaS platform, to build solutions integrating enterprise applications across systems hosted on-premise and in the Cloud.  Experience working with Integration technologies such as HTTP Web Services (SOAP/REST), XML, JSON, Flat file  Experienced in working with JDBC adapter, JMS adapter, Web Service (SOAP and REST), WSDL.  Understanding of enterprise integration tools, middleware technologies, and data integration patterns, including Pub/Sub Messaging, EIP, Event-Driven Architecture, SOA, and iPaaS.  Maintain existing APIs, review, enhance code to make it readable and clean  Building Boomi processes, managing/deploying/supporting APIs, Designing Boomi Flows and leveraging common frameworks such as message queuing, caching, complex mapping, and scripting (JavaScript, Groovy)  Experienced on Boomi Atom Management, Process Reporting, Deployments, API Management, Flow Management  Experienced on Oracle Natsuite, Mediusz, Slate and many more  Extensive database development skills using SQL, Stored Procedures, Functions for various Relation Databases like Oracle, MS-SQL Server; MySQL  Experience working with Salesforce, NetSuite, Big Commerce, Work Day and custom software applications  Experienced and have good understanding of EDI X12 transaction sets such as 850, 855, 856, 810, 860,824,870 and 997  Developed and maintained UNIX shell scripts for data-driven automatic processing  Experience working with Realtime and Scheduled Processes.  Roles and responsibilities mainly included technical designing, Interface designing, research and development of complex requirements, Client interaction, Onsite Coordination and Estimations, Application Development, Documentations and Code Review.  Have worked in migration projects using Websphere Enterprise Service Bus, Websphere Message Broker, Web methods, Boomi  Has undergone intensive training and experienced with quality process like CMMI5, Lean and agile technologies  Good understanding of network (load balancer & firewall), security (digital certificates, encryption)  Excellent communication & interpersonal skills. I can ensure below parameter for my clients, ******Quality of the deliverables as per client's expectation and as set by the project delivery guidelines ******Ensure Quality standards are followed ******Adherence of Schedule ******Documentation of the work done ******Showing flexibility for working in different timezones When working on a new project, I like to connect with my clients so that we can have a clear understanding of their needs and vision of the project. Thank you in advance for your time and consideration.

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.

Linux System Administrator | Web Hosting Infrastructure | Server Troubleshooting System Administrator since 2020. What started as a hobby quickly evolved into a professional career built through hands-on experimentation, infrastructure management, and troubleshooting real-world server environments. I specialize in building, maintaining, and debugging Linux server infrastructures and web hosting environments. My experience spans across multiple hosting panels, web stacks, and self-hosted platforms, allowing me to quickly adapt to different systems and technologies. Previously operated a hosting company (InfinitzHost – 2020 to 2023) managing hosting infrastructure, deployments, and server maintenance. What I Can Help You With • Linux Server Setup & Administration • Web Hosting Environment Setup • Server Troubleshooting & Debugging • Website & Server Migrations • DNS Configuration & Domain Issues • Server Security Hardening • Performance Optimization • Hosting Panel Installation & Maintenance Control Panels • cPanel / WHM • DirectAdmin • Plesk • CWP Web Stack • Apache • Nginx • LiteSpeed / OpenLiteSpeed • MySQL / MariaDB • PHP / MultiPHP Environments Billing & Hosting Tools • WHMCS • Blesta • Hostbill I focus on building stable server environments, diagnosing complex issues quickly, and maintaining reliable infrastructure.

Hi Hiring Manager, My name is Logesh, and I have extensive experience in DevOps and System Engineering roles. I specialize in CI/CD and have expertise in designing and setting up complete infrastructure on AWS, GCP, Digital Ocean, and OCI. In my previous roles, I have been involved in NOC and SOC monitoring, as well as access management, including user and email access, and account management. I also have significant experience in application support, particularly with Outlook, OS-related issues, and printer/scanner support. I am proficient in a wide range of AWS services, including EC2, LightSail, Lambda, EC2 Image Builder, S3, EFS, FSx, S3 Glacier, AWS Backup, RDS, DynamoDB, ElastiCache, AWS Migration Hub, Database Migration Service, VPC, CloudFront, Route 53, API Gateway, CodeCommit, CodeArtifact, CodeBuild, CodeDeploy, CodePipeline, AWS Organizations, CloudWatch, AWS Auto Scaling, CloudFormation, CloudTrail, Systems Manager, Trusted Advisor, Amazon Grafana, Amazon Prometheus, Elasticsearch Service, AWS Inspector, IAM, Cognito, Secrets Manager, AWS Single Sign-On, Certificate Manager, Elastic Container Registry, Elastic Container Service, Elastic Kubernetes Service, WorkSpaces, AWS Cost Explorer, AWS Budgets, AWS Marketplace Subscriptions, Simple Notification Service, Simple Queue Service, and Managed Apache Airflow. I have also worked extensively with major GCP services, including Marketplace, Compute Engine, Kubernetes Engine, Filestore, Cloud Storage and Data Transfer, BigTable, Data Migration, Memorystore, Spanner, SQL, VPC Network, Network Services, Cloud Build, Cloud Deploy, Source Code Repository, Pub/Sub, Cloud Functions, Monitoring, Logging, Container Registry, Kubernetes Engine, and partner solutions. Additionally, I possess a strong working knowledge of Azure Cloud services, including Azure App Service, Azure DevOps, Azure Functions, Azure Kubernetes Service, Azure SQL Database, Azure Monitor, Azure Security Center, and Azure Logic Apps. My expertise extends to Prisma Cloud security solutions, covering CNAPP, CSPM, CWPP, and DSPM. I also have hands-on experience with Cortex XDR for endpoint detection and response, enhancing security operations through proactive monitoring and threat management. My DevOps experience includes working with various tools such as Git (GitLab, GitHub, Bitbucket, and SVN), and I have experience migrating from SVN to Bitbucket. I am well-versed in CI/CD tools like Jenkins, Azure DevOps, AWS CI/CD tools, and GCP Cloud Build. On container platforms, I have worked with Kubernetes, Docker, and Rancher. I also have experience with IT ticketing tools like OSTicketing and ServiceNow, and monitoring and alerting tools like Nagios and SolarWinds. Thank you for considering my application. I look forward to the opportunity to discuss how my skills and experience align with your needs. Best regards, Logesh