JIMMY THOMAS

• Managing Operations Support: 24x5 operational support for addressing L1/L2 incidents related to Dev/Test infrastructure.
• Change Management Support: Application deployment and configuration changes.
• Downtime Reduction: Proactively monitor and generate incident tickets to minimize Dev/Test environment downtime.
• Deployment: EARs and WARs applications on WebSphere Application Server.
  SSL Certificates: Procure, install, and renew SSL certificates on E1/E2 servers.
• Process Improvement: Streamlined technical support processes for improved customer satisfaction and faster issue resolution.
• Team Mentoring: Mentor new team members, enhancing proficiency and reducing resolution time.
• Awards: Received “Certificate of Achievement” from IBM for stellar performance and building client trust in Q1 2022; awarded “Certificate of Achievement” under “Delivery & CSAT Champs” in Sep 2022.

• Dedicated Support: Provided support for IBM ExportBlue E1/E2 Enhanced Support project of AMEX while employed with Collabera Technologies, ensuring smooth execution of project tasks and maintaining high standards of service delivery. Collaborated with cross-functional teams to meet project milestones and deliverables, contributing to project success.
• Comprehensive Infrastructure Management: Delivered end-to-end infrastructure support for Linux and WebSphere environments, ensuring seamless operations and high availability for client’s critical systems.
• Service Request and Change Management: Efficiently handled service and change requests using ServiceNow, ensuring prompt resolution and adherence to SLAs.
• Stakeholder Engagement: Collaborated with stakeholders to align service objectives with business goals, fostering customer satisfaction through proactive discussions on deliverables and outcomes.
• Incident Resolution: Coordinated with support teams to expedite incident resolution, minimizing downtime and allowing development teams to resume activities with minimal disruption.
• Continual Service Improvement (CSI): Participated in brainstorming sessions to reduce downtime, contributing to continuous improvement of service delivery processes.
• Achievement in Automation and Innovation: Received client appreciation in IBM Bangalore for automating SSL certificate installation on 800+ servers.

• Dedicated Support: Provided support for IBM ExportBlue E1/E2 Enhanced Support project of AMEX while employed with Collabera Technologies, ensuring smooth execution of project tasks and maintaining high standards of service delivery. Collaborated with cross-functional teams to meet project milestones and deliverables, contributing to project success.
• Comprehensive Infrastructure Management: Delivered end-to-end infrastructure support for Linux and WebSphere environments, ensuring seamless operations and high availability for client critical systems.
• Service Request and Change Management: Efficiently handled service and change requests using ServiceNow, ensuring prompt resolution and adherence to SLAs.
• Stakeholder Engagement: Collaborated with stakeholders to align service objectives with business goals, fostering customer satisfaction through proactive discussions on deliverables and outcomes.
• Incident Resolution: Coordinated with support teams to expedite incident resolution, minimizing downtime and allowing development teams to resume activities with minimal disruption.
• Continual Service Improvement (CSI): Participated in brainstorming sessions to reduce downtime, contributing to continuous improvement of service delivery processes.
• Achievement in Automation and Innovation: Engaged in team-driven initiatives to automate key infrastructure processes using advanced technologies like Ansible for configuration management. These automation efforts significantly reduced manual intervention, optimized resource utilization, and fostered culture of continuous innovation within infrastructure support team. This recommendation is widely accepted and appreciated in all test, development, and production environments.

• Technical Ownership: Oversaw mission-critical cloud infrastructure, including operating systems, software, and application stacks for eCommerce applications, adhering to AGILE workflows.
• System Installation and Setup: Installed and configured Jenkins nodes, application nodes (Tomcat, Hybris), database servers (MySQL), and web servers (Apache) across test, development, and production environments.
• CI/CD Automation: Automated application deployment from Git repositories using Jenkins CI/CD pipelines.
• Continuous Monitoring: Monitored production servers using Nagios to ensure system health and performance.
• Performance Monitoring: Utilized New Relic for performance monitoring of production servers and applications.
• Error Debugging: Diagnosed and resolved errors in build processes to ensure system reliability.
• Linux Administration: Conducted Linux administration tasks, including server resource analysis and performance optimization.
• Standardization and Process Management: Developed and maintained standards and processes for team adherence, ensuring consistency and compliance.
• Documentation and Knowledge Management: Documented infrastructure details, installation procedures, and setup information; created a knowledge base for incident resolution.
• AGILE Adherence: Supported AGILE workflows by providing infrastructure solutions tailored to development team requirements.
• Quality Improvement: Implemented measures to enhance quality, speed, and accuracy of services provided.
• Achievement: Successfully completed three-month onsite technical assignment in Düsseldorf, Germany, and collaborated with local teams to address critical project requirements. This experience enhanced my global perspective, strengthened cross-cultural communication skills, and contributed to successful delivery of key project objectives.

• Vendor Coordination: Engaged with hardware and software vendors for troubleshooting, root cause analysis (RCA), and resolution of technical issues, ensuring minimal downtime.
• ITIL-Compliant Ticket Management: Efficiently handled service tickets in accordance with ITIL best practices, ensuring a structured and professional approach to incident and problem management.
• System Performance Monitoring: Monitored and optimized system performance by managing virtual memory, swap space, disk utilization, and CPU usage to ensure optimal server operations.
• Disk Configuration & Filesystem Management: Expertly configured disks and managed file systems, ensuring data integrity and efficient storage utilization.
• User & Group Administration: Administered user and group accounts, managing permissions and access control to maintain system security and organization.
• NFS Configuration & Troubleshooting: Configured, maintained, and troubleshot NFS-enabled server and client systems, ensuring seamless file sharing across networked environments.
• Automated Task Scheduling: Scheduled and managed automated repetitive tasks using cron jobs, optimizing system operations and reducing manual intervention.
• System Error Resolution: Resolved critical system issues including errors, crashes, oversized files, and file system capacity problems, maintaining system stability.
• Veritas Cluster Administration: Administered Veritas cluster environments, managing resources, failovers, and dependencies, and performing issue resolution through detailed log analysis.
• Filesystem Administration: Managed the creation, mounting/unmounting, integrity checks, and backup/restore processes for file systems, ensuring data availability and resilience.
• Package Management (YUM/RPM): Experienced in installing and updating software packages using YUM/RPM, including the management of custom YUM servers and repositories to ensure up-to-date and secure systems.

Middleware Administration Experience:

• Application Troubleshooting & Performance Management: Diagnosed and resolved issues across all applications by thoroughly analyzing JVM and application logs, addressing both system and application performance concerns.
• EAR & WAR Deployment: Managed the deployment of EAR and WAR files on WebSphere Application Server and Network Deployment Manager across various environments using custom scripts, ensuring seamless application delivery.
• Certificate Renewal: Successfully renewed IBM HTTP Server (IHS) and Application Server certificates in development environments, maintaining secure communication channels.
• MQ Management: Engaged in managing IBM MQ by clearing queue depths, recycling Queue Managers (QM), and recycling MQ listeners, ensuring the stability and efficiency of messaging services.

Achievement:

• Automated JVM and IHS management:Developed a robust Bash script to automate the recycling of JVMs, synchronization of nodes, and recycling of IBM HTTP Server (IHS) in application servers, significantly improving operational efficiency and reducing manual intervention.

• Installation of Linux services and applications.
• Installation of Control Panels like plesk,Ensim
• Configuration of Applications
• Provide Application and Server support to WebHosting clients
• Linux server Administration including package management, server hardening, Performance tuning, Backups, Filesystem administration
• Server hardening, performance tuning, Disk and LVM management.
• Experience in working on DNS, NFS, FTP, Apache, MySQL and mail server management

Achievement:

Team spot Award in 2013 from Poornam InfoVision Pvt. Ltd

Scalable Server Solution Design: Designed and implemented a scalable server solution using Linux Virtual Servers to address increasing workloads on web and mail servers. The deployment of a cluster of Linux servers effectively managed the growing demands, while also handling support and troubleshooting of cluster-related issues, enhancing overall system reliability and performance.