Microsoft Server Operating System
MARIO RENE DE LA CRUZ ROBLES
Senior Infrastructure Management Consultant
Condominio Villas De San Angel Casa 147, Zona 2 Ciudad De Guatemala
Summary
I am an IT professional with over two decades of experience, specializing in Infrastructure Management, Windows Server Administration, VMware Virtualization, Automation, and Systems Engineering. I am competent in managing large-scale IT environments, delivering reliable solutions, and supporting business operations. Recognized for my leadership, technical excellence, and collaborative work with global teams.
Overview
25
25
years of professional experience
9
9
Certifications
2
2
Languages
Work History
Infrastructure Management Principal
Atos Information Technology
03.2013 - Current
- Managed Microsoft Windows Server infrastructure, ensuring high availability and compliance for multiple international clients.
- Administered and optimized VMware and Microsoft Hyper-V environments to support business operations for multiple international clients.
- Led automation initiatives using PowerShell scripting to enhance efficiency.
- Provided technical leadership and expertise in infrastructure administration.
- Applied Skills: Microsoft Windows Server, Microsoft Hyper-V, VMware, Infrastructure Administration.
- Led cross-functional teams to develop and implement IT infrastructure strategies that enhanced system reliability and performance.
- Designed and executed infrastructure management frameworks that improved operational efficiency and reduced downtime for clients.
- Spearheaded the integration of cloud solutions, optimizing resource allocation and supporting scalability for diverse business needs.
IT Systems Administrator
Transacciones y Transferencias, S.A.
05.2011 - 03.2013
- Managed the data center, including the administration of physical and virtual servers, storage, networks, cooling systems, and power (UPS/generators).
- Ensured operational continuity, SLA compliance, and the implementation of strict physical and logical security protocols.
- Administered Microsoft Windows Server infrastructure.
- Managed VMware and Microsoft Hyper-V virtual environments.
- Applied Skills: Microsoft Windows Server, Microsoft Hyper-V, VMware, Infrastructure Administration.
- Managed system configurations and upgrades, enhancing network performance and reliability, resulting in minimized downtime.
- Developed and implemented security protocols, safeguarding sensitive data and ensuring compliance with industry standards.
- Provided technical support and troubleshooting expertise, improving user satisfaction and operational efficiency across departments.
- Led a team in automating routine tasks, significantly streamlining processes and reducing operational overhead.
IT Manager
Grupo Logístico y de Ventas Caam
08.2009 - 10.2010
- Managed the data center, including the administration of physical and virtual servers, storage, networks, cooling systems, power (UPS/generators), and Avaya and Asterisk telephone plants.
- Ensured operational continuity, SLA compliance, and the implementation of strict physical and logical security protocols.
- Administered Microsoft Windows Server infrastructure.
- Managed VMware and Microsoft Hyper-V virtual environments.
- Applied Skills: Microsoft Windows Server, VMware, Infrastructure Administration.
- Led the implementation of IT infrastructure upgrades, enhancing system reliability and reducing downtime for users.
- Managed cross-functional teams to streamline software development processes, improving project delivery timelines and quality.
- Developed and executed IT strategy initiatives that aligned with business goals, resulting in increased operational efficiency.
- Oversaw vendor relationships and contract negotiations, optimizing service delivery and reducing technology costs for the organization.
Field Support Manager
Banco Citibank de Guatemala
07.2004 - 07.2009
- Managed the data center, including the administration of physical and virtual servers, storage, networks, cooling systems, and power (UPS/generators).
- Ensured operational continuity, SLA compliance, and the implementation of strict physical and logical security protocols.
- Administered Microsoft Windows Server infrastructure.
- Managed VMware virtual environments.
- Applied Skills: Microsoft Windows Server, VMware, Infrastructure Administration.
- Led cross-functional teams to enhance operational efficiency, resulting in streamlined processes and improved service delivery.
- Developed and implemented training programs for staff, significantly increasing team productivity and customer satisfaction.
- Analyzed field support workflows, identifying opportunities for improvement that drove consistent operational excellence across the organization.
- Managed vendor relationships and negotiated contracts, optimizing service levels while minimizing costs and enhancing operational effectiveness.
2nd Level Support Manager
Sega S.A.
03.2001 - 06.2004
- Coordinated the development of technology project implementations for various clients based on the following products: Microsoft Server, Microsoft Exchange, Microsoft SQL, VMware.
- Led a team of Support Engineers, coordinating appointments and client visits for planning, implementation, monitoring, and project closing.
- Implemented laboratory environments for proof-of-concept and project validation.
- Administered Microsoft Windows Server infrastructure.
- Managed VMware virtual environments.
- Applied Skills: Microsoft Windows Server, VMware, Infrastructure Administration.
- Led the 2nd level support team to resolve complex technical issues, enhancing customer satisfaction and team performance.
- Developed and implemented training programs for support staff, improving knowledge retention and service quality.
- Collaborated with cross-functional teams to streamline incident management processes, resulting in quicker resolution times.
- Analyzed support metrics to identify trends, driving continuous improvement initiatives that enhanced operational efficiency.
Education
Systems Engineering
Universidad Rafael Landívar
01.1998
Bachelor of Science - Computing
C.E.S.C
01.1992
Skills
Microsoft Windows Server
undefinedCertification
VMware Certified Associate 6 – Data Center Virtualization (2017)
References
- Werner, Oroxon, werner.oroxon@gmail.com, +502 4220 9455
- Karin, Ceballos, karin.ceballospaz@gmail.com, +502 5202 2071
- Cesar, Caxaj, ccaxaj@hotmail.com, +502 5919 0012
- Luis Ricardo, Sierra, luisricardo.sierra@atos.net, +502 5696 2031
- Robert, Kirkwood, robert.kirkwood@atos.net, +1 724 841 6355
- Sergio Di, Geronimo, serio.digeronimo@atos.net, +1 905 461 3414
Software
VMWare ESXi
VMWare vSphere
VMWare vCenter
Microsoft Hyper-v
Microsoft SQL Server
Timeline
Infrastructure Management Principal
Atos Information Technology
03.2013 - Current
IT Systems Administrator
Transacciones y Transferencias, S.A.
05.2011 - 03.2013
IT Manager
Grupo Logístico y de Ventas Caam
08.2009 - 10.2010
Field Support Manager
Banco Citibank de Guatemala
07.2004 - 07.2009
2nd Level Support Manager
Sega S.A.
03.2001 - 06.2004
Bachelor of Science - Computing
C.E.S.C
Systems Engineering
Universidad Rafael Landívar