Benjamin S. Castillo Email & Phone Number

San Jose, Ca, Us

Scale and maintain OBS build cluster. Scale and manage Atlassian toolsets including Jira, Confluence, and Stash. Maintain backups of Linux server infrastructure. Maintain and update diverse Linux server environment. Build and maintain Custom Linux Package Repositories. Create and maintain production tools for day-to-day operations. Deploy and maintain infrastructure monitoring toolset. Document development team infrastructure. Supported Linux distros including Red Hat, Debian and Ubuntu. Hypervisors including KVM and ESX. Experienced Python and Bash script writer. Demonstrated knowledge of Software Lifecycles and QA Procedures. Experienced with system automation deployment tools. Lastly, utilize Jenkins, Robot, and QA automation infrastructures.

Houston, Texas, Us

For both the Linux and MS Windows platform provide support normalization & reconciliation processes for CMDB (Configuration Management Database). Gather data requirements from users, and work with application support team to develop solutions. Troubleshoot permissions issues with CMDB - Interface with the ADDM support team to resolve synching issues. Interface with external enterprise customers to validate application models coming from ADDM. Troubleshoot data integrity issues in the CMDB (duplicate CIs, data mismatches, etc.) Participate in the development of test cases and plans. Execute action plans to correct testing anomalies. Administer, tune and support deployed solutions in a mission critical 24x7 environment. Develop detailed technical and operational documentation. Participate in the development of technical training materials. Deliver technical training to client staff. Participate in the delivery of end-user training, as required.

Provide Linux-based systems and application services for business.

San Jose, California, Us

Monitored, troubleshot and resolved incidents and provided support in 24/7 environment for VERITAS Volume Manager, File System, Volume Replicator and VERITAS Cluster Server software products. Supported Fortune Global 2000 financial institutions. Provided advanced Tier 3 support for challenging issues and followed up with customers/end users to ensure proper issue resolution. Skilled in resolving issues in Solaris, AIX, HP-UX and Linux environments within Enterprise-grade production environments. Analyzed customer requests; determined functional requirements, created technical specifications, researched solutions, proposed possible alternatives, and resolved requests. Supported software and systems issues, limited immediate impact to business, identified root causes, and led initiatives / projects to ‘fix’ recurring issues. Liaised with all parties to ensure receipt of updates and functionality of solutions; gathered feedback and communicated status of requests to IT and business units. Documented issues, client business requirements, client updates, and resolutions; wrote and maintained system help file pages used by helpdesk.

Performed advanced configuration with Sun’s Enterprise series; extensive expertise in hardware, software, and PC and Mac workstations. Designed and implemented corporate computer and network services, specializing in UNIX-based ERP/MRP systems. Managed system transports using in-house processes to move new or enhanced programs into production without process interruptions; expert in system integration and printer installation. Managed general system administration on the Sun Solaris 5.x platform. Administered NIS, NIS+ and NFS; managed IP addresses, installed operating systems and documentation. Spearheaded UNIX research and resolved hotline calls on UNIX hardware and software. Managed patch administration to maintain network performance and security.

Masters (Ms), Software Engineering

Ba, Politics