Jaime Alonso Trevino Castillo
About
Detail
Nuevo León, Mexico
Contact Jaime regarding:
Flexible work
Starting at
USD25/hour
Résumé
Jobs
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Systems AdministratorGlobal SquirrelsMay 2026 - Current (6 months)Manage Infrastructure (MS, Virtual), Design and Implement Projects, Security- Information Technology Consultant public Remote experienceTata Consultancy ServicesJun 2023 - May 2025 (2 years)• Managed VMware Infrastructure 7 (vCenter, ESXi) across 4 vCenters and 150+ ESXi hosts
• Documented and implemented procedures from TEST to PROD environments
• Performed remediation tasks for vCenter/ESXi (Vulnerability Program)
• Provided support for SFTP tools (Kiteworks) and basic troubleshoot in Azure environment.
• Assisted in hardware-related tasks (warranty management, firmware updates) - System Admin Advisor public Remote experienceNTT DATA IncNov 2016 - Apr 2023 (6 years 6 months)• Managed VMware 6.7 infrastructure (3 vCenters, 200 ESXi hosts)
• Oversaw VxRail environments (6 vCenters, 34 ESXi hosts – version 7.0)
• Collaborated with PMs, customers, and vendors on infrastructure projects
• Ensured compliance with customer procedures (Change Management, Requests, Tasks)
• Reported status updates to delivery teams, managers, and directors
• Supported Intel server infrastructure (1,500+ servers, troubleshooting, deployment, clustering)
• Performed vulnerability assessment to all servers, and remediate them accordingly.
• Worked closely with Architects and PMs on Windows infrastructure projects - System Admin Advisor public Remote experienceDellNov 2013 - Nov 2016 (3 years 1 month)• Managed VMware 6.7 infrastructure (3 vCenters, 200 ESXi hosts)
• Oversaw VxRail environments (6 vCenters, 34 ESXi hosts – version 7.0)
• Collaborated with PMs, customers, and vendors on infrastructure projects
• Ensured compliance with customer procedures (Change Management, Requests, Tasks)
• Reported status updates to delivery teams, managers, and directors
• Supported Intel server infrastructure (1,500+ servers, troubleshooting, deployment, clustering)
• Performed vulnerability assessment to all servers, and remediate them accordingly.
• Worked closely with Architects and PMs on Windows infrastructure projects
●Sold to NTT Data● - Infrastructure Management Sr Analyst, DSE LeadXeroxSep 2008 - Nov 2013 (5 years 3 months)Mar 2012 – Nov 2013 | Team Lead
• Led Wintel team across India, Guatemala, Mexico, and USA
• Represented team in Change Control meetings
• Planned and executed DR exercises for AD and Infrastructure
Sep 2008 – Mar 2012
• Administered Intel servers globally
• Managed Active Directory, Citrix, and VMware
• Participated in planning and execution of DR initiatives - ConsultorGrupo ScandaMar 2007 - Aug 2008 (1 year 6 months)• Delivered consulting and implementation services for VMware and Microsoft technologies (Infrastructure and Security)
• Participated in technical Pre-Sales presentations
• Implemented infrastructure projects, including Active Directory and VMware virtualization (vCenter, ESXi, HA, DRS, clusters)
• Created technical documentation for customers and maintained SOPs and Change Management documentation - Server AdministratorGrupo SendaMay 2005 - May 2007 (2 years 1 month)Manage 100 servers on site (infrastructure and apps), and several remote across the country to support ticketing sales system.
Education
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- Ingeniero en Electronica y ComunicacionesUniversidad Autónoma de Nuevo LeónJan 1997 - Dec 2002 (6 years)