René Alcalde Tapia

System Administrator

HostPapa

Jan 2025 - Current (1 year 4 months)

• Manage and optimize Windows Server, Linux, and Virtuozzo environments, ensuring system reliability and performance. • Install, configure, and maintain Linux-based systems with strong troubleshooting and patch management practices. • Implement and maintain Ansible automation for server provisioning and compliance enforcement, with reusable playbooks. • Administer Kubernetes clusters to support deployment and scaling of internal applications, ensuring high availability and performance. • Support cPanel environments and resolve technical incidents for global customers. • Use JIRA for ticket management and Github for Collaboration.

Technical Expert – VMware & Cloud

Atos

May 2022 - Aug 2024 (2 years 4 months)

• Administered VMware infrastructure (VCF, vCenter, vSphere, vRealize, VRops) and hybrid cloud integrations. • Led VMware to Azure migration projects, optimizing transitions and reducing downtime. • Maintain documentation for Linux architecture, procedures, and recovery strategies. • Applied OS-level configurations and patches to ensure platform stability and security. • Automated configuration management via Ansible and bash; improved consistency and reduced manual workload. • Conducted root cause analysis to minimize recurrence of system issues.

T

Operations Engineer

Triara Data Center

Oct 2020 - May 2022 (1 year 8 months)

• Delivered infrastructure support across Linux, Windows, and VMware platforms. • Performed proactive health checks and monitoring on enterprise hardware (Huawei, Cisco, Dell, HP). • Managed OS compliance, including patching and security standards. • Led Azure migration initiatives using HCL tools. • Reduced production downtime through proactive monitoring and issue resolution.

SysAdmin – Cloud & Virtualization

TATA CONSULTANCY SERVICES TCS

Jun 2015 - Oct 2020 (5 years 5 months)

• Led VMware to AWS migration projects with minimal disruption. • Administered Windows Server and Linux environments, enhancing system security and availability. • Supported global teams (Mexico, India, US) in cloud and virtualization operations. • Enhanced Windows/Linux system performance and security posture. • Assisted in training new hires and improving team workflows.

SysAdmin – Windows & Linux

Banco Santander

Jul 2013 - May 2015 (1 year 11 months)

• Maintained enterprise Windows Server and Linux infrastructure, ensuring high availability. • Researched the best practices for RHEL Clusters and fixed all the clusters in the company (around 400 clusters). • Developed baseline templates to reduce provisioning time by 80%. • Installed and maintained failover clusters using Veritas and RHEL Clustering. • Authored technical documentation on best practices.

SysAdmin – UNIX (HP-UX, AIX)

TATA CONSULTANCY SERVICES TCS

Sep 2011 - Jul 2013 (1 year 11 months)

• Managed Unix (HP-UX, AIX) and Linux environments, ensuring system stability and security. • Worked flexible hours throughout the night, weekend, and holiday shifts. • Diagnosed and resolved hardware/software incidents under pressure. • Organized and detail-oriented with a strong work ethic, for this reason I was requested to lead the night shift, with a team up to 15 people.

René Alcalde Tapia

About

Detail

Timeline

Résumé