Dhinesh Sekar Email & Phone Number

Muscat, Masqaţ, Oman

Installed, configured, and upgraded Oracle Database software, including Oracle 19c, ensuring seamless integration with existing infrastructure.Designed and implemented backup and recovery strategies using RMAN and Data Pump to ensure data availability and consistency.Optimized database performance by analyzing AWR/ADDM reports and tuning SQL queries to improve query execution.Managed Oracle RAC and ASM for high availability and efficient storage management in multi-node… Show more Installed, configured, and upgraded Oracle Database software, including Oracle 19c, ensuring seamless integration with existing infrastructure.Designed and implemented backup and recovery strategies using RMAN and Data Pump to ensure data availability and consistency.Optimized database performance by analyzing AWR/ADDM reports and tuning SQL queries to improve query execution.Managed Oracle RAC and ASM for high availability and efficient storage management in multi-node environments.Configured and maintained Oracle Data Guard for disaster recovery, ensuring minimal data loss during failovers.Automated routine database monitoring and maintenance tasks using shell scripting to streamline operational workflows.Migrated databases from on-premises to Oracle Cloud Infrastructure (OCI) to modernize database environments.Administered and maintained Oracle CDB/PDB environments to ensure smooth operations in multitenant architecture.Applied patches and performed upgrades with minimal downtime, adhering to change management practices.Collaborated with development teams to optimize database schemas and troubleshoot application connectivity issues.Conducted capacity planning and forecasted storage and resource requirements for large-scale databases.Created detailed documentation for database configurations, backup strategies, and operational procedures.Provided 24/7 support for mission-critical databases, resolving issues promptly to minimize service disruptions. Show less

Tamil Nadu, India

▪ Provide technical support to end-users, troubleshooting database-relatedissues and offering guidance on best practices.▪ Support and collaborate with product developers.▪ Create a reliable backup strategy. Ensure database backups areappropriately executed and periodic restorations are exercised toensure backup quality.▪ Determine and document DB policies, procedures and standards.▪ Reduce downtime by proactively monitoring and addressing potentialissues with… Show more ▪ Provide technical support to end-users, troubleshooting database-relatedissues and offering guidance on best practices.▪ Support and collaborate with product developers.▪ Create a reliable backup strategy. Ensure database backups areappropriately executed and periodic restorations are exercised toensure backup quality.▪ Determine and document DB policies, procedures and standards.▪ Reduce downtime by proactively monitoring and addressing potentialissues with the Oracle Database system.▪ Conduct database upgrades and patch management to keep thedatabase environment up to date.▪ Maintain and Monitor high availability solutions, such asOracle RAC, for continuous system operation.▪ Coordinate with vendors for hardware and software upgrades,ensuring timely implementation of new features andimprovements.▪ Plan and execute disaster recovery procedures to minimizedowntime during failures. Show less

Chennai, Tamil Nadu, India

▪ Deliver service and support to end-users using and onlinehelpdesk ticketing system.▪ Interact with customers to provide and process information inresponse to inquiries, concerns and requests about productsandservices.▪ Diagnose and resolveissues related to application use case andsoftware issues involving internet connectivity, email clients,browsers and more.▪ Accurately process and record the transactions on thehelpdeskticket.▪ Install, upgrade… Show more ▪ Deliver service and support to end-users using and onlinehelpdesk ticketing system.▪ Interact with customers to provide and process information inresponse to inquiries, concerns and requests about productsandservices.▪ Diagnose and resolveissues related to application use case andsoftware issues involving internet connectivity, email clients,browsers and more.▪ Accurately process and record the transactions on thehelpdeskticket.▪ Install, upgrade, support and troubleshoot XP, Windows 7, Windows8.1 and other authorized desktop applications. Show less

Chennai, Tamil Nadu, India

• Providing fault analysis to customers’ various core operating systemsand platforms, providing support, and applying desktop faultresolution for the approved application suite.• Responding to queries on the phone, via email, in person, or throughremote access.• Offering technical assistance on the delivery, configuration, set up,maintenance, and troubleshooting of computer systems, hardware,and software.• Trainingother staff ontroubleshooting and diagnosing… Show more • Providing fault analysis to customers’ various core operating systemsand platforms, providing support, and applying desktop faultresolution for the approved application suite.• Responding to queries on the phone, via email, in person, or throughremote access.• Offering technical assistance on the delivery, configuration, set up,maintenance, and troubleshooting of computer systems, hardware,and software.• Trainingother staff ontroubleshooting and diagnosing problems.• Gainingfeedback from customers toimprove training methods.• Writing and editing training manuals.• Running reportsand analysing common complaints and problems.• Performs remedial repairson Desktops, laptops, printers, and anyother authorized peripheral equipment.• Use diagnostic tools totroubleshoot problems associated withnetwork connectivity, and workstation hardware/software. Show less

Chennai, Tamil Nadu, India

• Identify, troubleshoot, and analyse computer related issues, Printerrelated issues, email and Outlook related issues and all otherexternal connectivity devices like camera, scanner, etc.• Determine appropriate course of action, and conduct repairs,modifications, and upgrade internal components and peripherals asneeded.• Providing support for all types of Windows-based system to end uservia remote and email.• Basic troubleshooting in MAC operating system like virus… Show more • Identify, troubleshoot, and analyse computer related issues, Printerrelated issues, email and Outlook related issues and all otherexternal connectivity devices like camera, scanner, etc.• Determine appropriate course of action, and conduct repairs,modifications, and upgrade internal components and peripherals asneeded.• Providing support for all types of Windows-based system to end uservia remote and email.• Basic troubleshooting in MAC operating system like virus removal,browser issues, printer connectivity and router based issues likeinternet connectivity problems.• Test, install and set up application programson user workstations. Show less

Bachelor Of Engineering (Be), Computer Science

Education record