Karthik Ayyappareddy

• Currently working as a Senior Systems Engineer at VISA Inc., Bangalore, with over 10 years of experience in Middleware, Platform Engineering, System Administration, and IT Operations across Linux and Windows environments.
• Successfully delivered critical enterprise projects for Ingeniorx (Legato Health Technologies), Auto Accounts (Epsilon India Pvt. Ltd.), and IT Operations (CenturyLink Technologies India Pvt. Ltd.), ensuring high availability, seamless operations, and SLA compliance.
• Strong expertise in Oracle Hyperion, Denodo, Apache Kafka, RESTful APIs, and AWS Cloud services, enabling robust application deployment, integration, and cloud-based solutions.
• Hands-on experience in application/product support, incident/problem management, change management, and ticket resolution within defined SLAs, ensuring minimal downtime and enhanced user experience.
• Delivered end-to-end technical solutions by gathering requirements, analyzing business needs, and collaborating with cross-functional teams and vendors, driving process improvements and operational efficiency.
• Skilled in managing complex IT environments, leading projects, and coordinating with stakeholders to ensure timely delivery and quality outcomes.
• Adept at troubleshooting, root-cause analysis, and optimizing system performance, consistently improving business processes and client satisfaction.
• Results-oriented professional with strong analytical thinking, attention to detail, and a proactive approach, ensuring high-impact solutions in enterprise environments.

#87,301,4th Main, Ayyappa Nagar, Kr Puram, Banglore,560036

• Telugu
• English
• Telugu

• Legato Health Technologies Pvt. Ltd., Bengaluru, Karnataka, Sr Software Engineer, 09/19, Assisting all customers and providing production support for all designs and performing tests on all installation process for infrastructure, Performing all tests on production applications and preparing recovery procedures for all applications and providing upgrade to same, Coordinating with IT groups and external vendors and ensuring effective application services to ensure reliability of all applications, Analyzing all business processes and ensuring compliance to all controlled processes according to business requirement, Monitoring and providing support to workflow and providing expert knowledge on all workflow designs, Coordinating with various teams and raising support ticket for all issues, analyzing root cause and assisting in efficient resolution of all production processes, Maintaining logs of all issues and ensuring resolutions according to quality assurance tests for all production processes, Steering project operations with key focus on defining Service Level Agreements (SLAs) & Standard Operating Procedures (SOPs) as well as interacting with prestigious clients, business partners, vendors & other key stakeholders, Managing a variety of tasks as part of IT Projects including vertical integration (web, service, data, and security) and application lifecycle management including continuous integration, test-driven design, refactoring, and evolutionary design, Initiated IT Upgradation that led to improved productivity & efficiency by 70% and reduced cost by 30%, Worked on multi-million projects by using technical tools and implementation from scope management to activity sequencing, effort & cost estimation, risk analysis to quality management in line with companies guidelines and norms.
• Epsilon India Pvt. Ltd., Bengaluru, Karnataka, Production Support Engineer 2, 10/18 to 09/19, Supporting 3 Accounts, which are using by Oracle Database; providing 24/7 support and monitoring, Ensuring all the files received from client are processed, validate the rejects if any and deliver the data to run the campaigns, Performing tasks file check, file load, resuming the batch, rerunning the batch
• CenturyLink Technologies India Pvt. Ltd., Bengaluru, Karnataka, Software Engineer, 09/15 to 10/18, Supported/monitored 180 Enterprise applications running in Pivotal Cloud Foundry (PaaS and IaaS), JBoss, WebLogic, Fuse, Tomcat application servers deployed on the JAVA STACKED farms, Managed on call support for applications in the production environment, Deployed of JAR, WAR, and EAR files in clustered environments using console and automation tools to all production application servers, Kept the applications up 24/7 and solved server and application related issues, Maintained the applications (SLA) Service Level Agreement and MTTR (Mean Time to Repair), Directed regular server maintenance activities by scheduling OS patches and database patches, Prepared & planned incident, risk and change management procedural documentation for clients, Understood and troubleshot complex customer issues on production environment; identified & fixed any bugs occurring in the applications, Migrated and upgraded application servers; managed project migration activities changing from one environment to other, Installed and configured sentry monitoring tool in new servers, Configured the alarms to monitor the application's logs and application server's performance, Arranged set-up of SSH trust between servers, Provided support to applications hosted in cloud environment with the pivotal and performing the deployments by PowerShell and GO-CD, Worked on DR plans (Disaster Recovery) for the applications, Interacted with DBA, Unix admin team and Dev teams to fix critical production issues, Resolved various priorities of user queries that came via chat mail or ticket ticketing tool, Modified/created Unix scripts for scheduling various data cleansing scripts and loading process, Monitored the health of servers such as CPU utilization, disk spaces & so on, Engaged network team in case of network slowness such issues and provided required data to them, Administered constant analysis and application monitoring; responded to customer queries and to critical/severe business problems; performed application bounce and maintained application high availability

• AWS Concepts IAM, S3, EC2 and VPC
• Docker Concepts setting up the Environment, Running Containers, Dockersing own App
• Creating Docker Images by Docker File
• Different Generations of Version Control Systems, Distributed Version Control System
• Installing Git, Initialization Of Git in Local Machine, Different Working Areas of Git
• Local and Remote Repositories of Git
• Overview of CICD Engine, Setting up Jenkins Server on local Machine