Efrain Ramirez Castro
About Candidate
Location
Education
Bachelor Degree
Degree conformed by: 1. Structured Cabling, Wiring Specialist. 2. Network Administrator. 3. Operating Systems Specialist. 4. Data Center Administrator.
Work & Experience
• Monitor, configure, maintain, troubleshoot, support physical and virtual servers in production, development and test environments. • Partner with developers and vendors to identify and drive improvements including production quality, operational efficiency, engineering productivity in the IBM Cloud.
• Design, deliver and maintain schemes on virtual servers (Backup (Commvault), Network and SAN) on VMware environments. • Experienced in a variety of Integration and Automation tasks using Ansible and Shell scripts (OS patching, High Availability upgrades and reduce number of incidents).
• Developed Unix/Linux shell scripts, to automate several SysAdmin tasks, performance monitoring, installation and maintenance procedures (Veritas Cluster and Storage, Netbackup). • Supporting Large customer environment and lead implementations (Migrating servers to Azure Cloud.)
2018-05 – 2020-09 Technical Lead Project Manager • Lead technical solutions for infrastructure and application management, monitoring, and operations with standardization and automation focus. • Work with business units to scale and design systems that are highly available and resilient. Storage (EMC and HPE), Windows Server (2012-19) and Linux (RHEL, Suse and CentOS) 2017-09 – 2018-05 Technical Project Manager • Provide implementation and support services to clients on Hyper-V and VMware. • Working in conjunction with Vendors and multidisciplinary teams to diagnose and resolve multiple network, hardware and storage problems in Windows and Linux environments.
2016-03 – 2017-04 Technical Project Manager • Experience designing, deploying, securing, administering, and supporting servers. • Provide integration with Database, network and storage devices, SAN switch and tape libraries. 2015-11 – 2016-04 Senior Systems Administrator • Installation, decommission and break and fix engineer for virtual and physical servers (RHEL, Suse and CentOS). • Taking care of high severity tickets, handled it correctly, following available processes and providing real technical approach to define root cause (ITIL).