Key achievements:• Administer the 24x7 multi-site hybrid enterprise IT infrastructure using various technologies and standards, adhering to financial security principles, cost control, and flexibility with a 99.00% SLA. • Reduce on-premise hardware footprint and operational costs by 15-20% per office. • Keep the company-wide cyber security defense posture to comply with industry-standard and clients.• Maintain the VDI platform for hybrid and remote users allowing a 20% ROI increase.• Provide on-the-job training and mentoring to IT team members, enabling them to develop and elevate their skills and take on more challenging roles.• Serve as the SME and collaborate with cross-functional teams, peers, and vendors to provide business solutions and solve problems.Currently have exposure to Microsoft Azure, Office 365, Active Directory, Endpoint Management, Fortinet firewalls, Cisco routers/switches, SAN/NAS, HPE, EMC, RingCentral, Avaya IP Office, Ubiquiti APs, Windows Server 2012R2-2019, VDI, VMware ESX 5.5-7.0, VMware Horizon, Hyper-V, Windows 10-11, Microsoft SQL 2016, Powershell among other technologies and platforms.

Key achievements:• Managed multi-site, multi-company IT infrastructure and increased uptime SLA by 3%• Boosted infrastructure stability by creating preventive maintenance schedules to avoid unnecessary downtime and hardware/software faults.• Coordinated, designed, and executed IT infrastructure projects for new and current offices adhering to budget and project timelines.• Negotiated with vendors to increase the company's service-to-pay ratio by 10-15%. • Automated various operations tasks to reduce manual work by 20%.• Conceptualized, built, and deployed enterprise VDI platform mixing various platforms and technologies.• Planned and deployed Hybrid AD with Azure.• Collaborated in migrating the company CRM to Azure to provide more flexibility and scalability.• Implemented and managed enterprise password vault.• Led the transition of the cloud backup and disaster recovery solution to Azure, reducing the operation cost by 70%.• Deploy and manage system antivirus for the entire network.• Served as SME and collaborated with the helpdesk team, internal departments, remote offices, and external vendors.• Refinement of existing IT policy and guidelines company-wide, resulting in 70% fewer incident reports.• Provided mentoring and training to IT colleagues on infrastructure and soft skills.• Served as subject matter expert on proposed technology purchases, helping to raise ROI through prudent acquisitions.Significant exposure to Microsoft, Azure, Azure AD, Azure Backup, Multisites, Active Directory, LAN-WAN, Okta, Azure MFA, Windows Server 2008R2-2019, Windows 7-10, WDS, WSUS, IIS, Monitoring tools, Fortinet, Cisco, VMWare, Hyper-V, Microsoft SQL Server 2008R2-2016, Colocation facility, Server clustering, Azure cloud backup, Disaster recovery, Mitel/ShoreTel, Avaya, Linux Red Hat, Powershell, and other technologies.

Administer the company's IT infrastructure improving reliability and uptime.Key achievements:• Optimized company IT infrastructure to reduce downtimes by 20% and elevated SLA by 8%.• Administered Microsoft Azure AD and Office 365 cloud platforms.• Administered physical and virtual IT infrastructure.• Provided preventive maintenance for servers, storage equipment, and software.• Managed backup, disaster recovery• Worked closely with customers, internal staff, and other stakeholders to determine system-oriented projects' planning, implementation, and integration.• Built scripting tasks using Microsoft VBs, Powershell, and batch to automatize IT procedures.I had exposure to Microsoft Active Directory, Azure AD, Office 365, VMWare Platform, Cisco UCS, Phone System, Windows Server 2008-2012R2, Kaspersky Antivirus, Veeam backup, SolardWinds, and other systems.

The Ministry of Education of the Dominican Republic is the institution that oversees the public education system of the country. The IT department is tasked with providing service to more than 70k teachers and administrative staff.Key achievements:• Administered 70K users Active Directory Domain.• Managed On-Premise Exchange 2007, 2010, and 2013.• Managed On-Premise Microsoft Lync 2010 and 2013.• Managed System Center Configuration Manager for domain-wide patching and software distribution.• Managed System Center Operation Manager for System health and performance.• Acted as key planner and executioner of the data center virtualization, reducing the hardware footprint by 70%.• Planned, designed, and executed the backup migration from data tapes to Veeam.• Installed and configured HPE 3PAR SAN System.• Managed all hardware and software warranties and maintenance.• Designed and deployed the WDS server. • Managed data center general organization.• Key participation in planning and upgrading Microsoft Exchange from 2010 to 2013.• Key participation in planning and upgrading Microsoft Lync from 2010 to 2013.• Planned and participated in the migration of the Cisco phone system to Microsoft Lync 2013.• Acted as the coordinator between the data center team and other departments and vendors.• Common tasks automation with Powershell scripting.I had exposure to Microsoft Active Directory, Windows Servers 2003-2012R2, Microsoft Exchange 2007-2013, Microsoft Lync 2010-2013, Cisco Call Manager, VMWare Version 5.1-5.5, Hyper-V, SAN, NAS, Fortinet, SCCM, SCOM, IIS, Sharepoint, SolardWinds, WDS, WSUS, HPE, Dell, EMC, Cisco, Veeam, IBM, Azure, Office365, Exchange 200 and other technologies.

• Administered the Value Added Services (VAS) platforms (SMS, MMS, RBT, and Mobile Internet).• Kept downtimes at minimum levels.• Supported the Postpaid and Prepaid Platforms.• Managed different versions of Windows Server, Linux, and UNIX.• Participated in Local Number Portability (LPN) implementation.• Improved and automatized everyday tasks.• Elaborated quarterly KPI reports and per assignment.• Created weekly overtime reports for the department.• Traced and solved problems with the platforms.• Handled warranty support with the manufacturers.• Coordinated and executed VAS Projects with providers and content creation companies.

• Administered the Active directory (Users, stations, group policy, access, permissions, etc.)• Followed up and handled high-priority cases.• Coordinated and executed tasks with the support team.• Automatized the backup process of the end-users data.• Deployed and Administered Antivirus solution.• Elaborated department’s statistics reports.

• Provided tech support to end-users.• Supported hardware and software issues for plotters, printers, and workstations.• Handled critical cases.• Managed workstation and printers warranty.

• Provided onsite and offsite customer service.• Designed, installed, and configured customs computers.• Handled the warranty for parts and equipment of the customers.