Chris Rosario

Customer-centric, hands-on IT Systems Administrator with over 18 years of progressive experience administering hybrid Azure cloud environments, leading multi-site network integrations, and delivering tier 1–3 technical support across national footprints. Proven specialist in Azure AD / Entra ID, Microsoft 365 (Exchange Online, SharePoint, Teams), Active Directory, Group Policy, Intune MDM, and PowerShell scripting. Experienced serving as the primary IT lead for Mergers & Acquisitions (M&A)—harmonizing legacy systems, migrating user tenants, and standardizing hardware across distributed office locations.

Exceptional communicator adept at building vendor relationships, keeping internal stakeholders informed, and delivering white-glove technical resolution across desktop, mobile, network, and ERP/Dynamics environments.

Senior IT Systems & Infrastructure Consultant (2025-08 – Present)

• M&A System Harmonization & Migrations: Serve as technical lead for multi-site client integrations and tenant migrations; align legacy directory structures, M365 accounts, and network security baselines with zero unplanned downtime.
• Azure & Intune Administration: Manage Azure resources, Entra ID access controls, and Intune MDM policies across remote and office-based workforces; write PowerShell scripts to automate user provisioning and software updates.
• System Health & Backup Governance: Monitor system logs, event viewers, and backup routines; test data recovery pipelines and execute proactive patch management routines across client endpoints.

IT Systems Manager (Infrastructure & Service Lead) at Vizcaya Museum and Gardens (2020-09 – 2025-05)

• Hybrid Systems & Cloud Administration: Administered hybrid cloud and on-premise infrastructure (Azure, Active Directory, M365, SharePoint, Teams), sustaining 99.9% uptime across a complex multi-facility estate.
• Intune MDM & Endpoint Standardization: Configured and deployed Intune compliance policies, application packages, and security controls across 130+ laptops, desktops, and mobile devices.
• Internal User Support & Triage: Led primary helpdesk operations for internal customers, resolving tier 1–3 support tickets for hardware, OS, network printers, and business applications while reducing ticket volume by 25%.
• Vendor & Telecom Management: Interfaced with telecom and IT support vendors to resolve operating system, network circuit, and IP voice/SIP communication issues under strict operational SLAs.

System Administrator at Aero Precision Repair & Overhaul Inc. (2019-11 – 2020-08)

• Multi-Site Hardware & ERP Operations: Managed Windows Servers, local network switches, mobile devices, and business applications across multi-site industrial facilities.
• Backup Monitoring & Recovery: Monitored daily backup jobs, resolved failure alerts, and conducted regular disaster recovery restoration tests.

Information Technology Engineer at HTx Services LLC (Financial Footprint) (2017-09 – 2019-11)

• National Multi-Site Field Operations: Primary field engineer supporting 50+ retail financial locations (Citibank branch network) under a high-travel, rapid-response deployment model.
• Network & Endpoint Integration: Installed, tested, and integrated desktop hardware, VPN connections, and network switches during site cutovers and branch acquisitions.

Information Technology Engineer / Field Engineer at Diebold Nixdorf (2010-01 – 2017-10)

• Distributed System Diagnostics: Executed high-level server, terminal, and hardware diagnostics across regional client sites; provided primary on-call and after-hours emergency support.

IT Field Technician at Scheidt & Bachmann (2008-05 – 2010-12)

• Field System Deployment: Executed hardware installations, OS provisioning, and network connectivity testing across customer locations.

Bachelor of Science in Information Technology – PUCMM