Experienced Senior Consultant with 18 years in Linux System Administration, cloud infrastructure support, application management, and open-source technology integration. Skilled in CI/CD pipelines, Kubernetes orchestration, scripting, and security implementation. Committed to knowledge sharing, automation, and performance optimization.
· Successfully orchestrated a seamless migration to Oracle Cloud, ensuring compliance with industry standards and enhancing data security.
· Architected a robust cloud network framework, incorporating VPN connectivity across regions and subnets, resulting in enhanced network performance and data accessibility.
· Proactively monitored and streamlined self-service infrastructure provisioning, reducing deployment time & enhancing operational efficiency.
· Spearheaded a comprehensive infrastructure patching and compliance initiative, resulting in reduction in vulnerabilities and ensuring alignment with security protocols.
· Demonstrated analytical prowess by effectively resolving complex technical issues, providing root cause analyses, and implementing strategic solutions to prevent recurrence.
● Distinguished as the Subject Matter Expert (SME), leading day-to-day system administration with a focus on proactive enhancement. Spearheaded change management initiatives and meticulously applied regular and security patches, resulting in reduction in critical incidents and enhanced system stability.
● Ensured optimal Linux server availability in adherence to established Service Level Agreements (SLAs), achieving an increase in uptime and bolstering operational efficiency. Leveraged scripting and automation to implement real-time alerting and notifications, reducing incident response time.
● Provided expert-level support for technical escalations, effectively resolving high-severity incidents and contributing to a reduction in mean-time-to-resolution. Delivered on-call support with a reduction in incident downtime, ensuring uninterrupted business continuity.
● Led comprehensive server hardening initiatives, implementing security best practices and protocols that resulted in improvement in system resilience against cyber threats, while achieving industry compliance certification.
● L3 support on Incident tickets related to Systems and Hardware.
● System Maintenance activity related to OS upgrade and patching.
● Design patching solution for Linux Server & take the responsibility for regular patching.
● Change Request for scheduled activity on production server.
● Work with the Wintel & Storage team for adding or releasing storage.
● Work with vendors for replacing or upgrading the hardware & Firmware.
● Providing an end to end solution on all the tickets assigned to me.
● Work with the Incident Manager and other teams for any high severity ticket.
● Work on an unreachable host using a remote console.
· Configuration Management and Application support in different environments.
· Collaborating with the development team to install applications from development to UAT and production environments.
· Promoting and releasing changes for production servers and providing support in case of issues.
· Responsible for integrating third-party applications and open-source modules to provide an environment for developers.
· Scalability and performance tuning of Apache and Tomcat for critical financial applications in production.
· Integrating reporting tools like Web Focus from Information Builder in production.
· Integrating open-source jsw as a job scheduler for production.
· Migrating QA and development physical Linux hosts to KVM virtual hosts.
· Migrating source code repositories from CVS to SVN.
· Integrating Drupal and phpBB forums.
· Integrating Apache with Kerberos and SiteMinder policy server for single sign-on (SSO).
· Experience in JVM tuning using JProfiler and memory management.
· Monitoring and tuning of Tomcat and Java processes using JMX and JConsole.
· Expertise in Apache and Tomcat performance tuning and configuration.
· Experience in shell scripting to automate administrative and repeated task
GCP Architect