Senior Systems Administrator - Backup/DR & Virtualization

GERARDO MOLINA

Senior Systems Administrator Infrastructure, Virtualization & Backup/DR

305-***-**** ***********@*****.*** LinkedIn

PROFESSIONAL SUMMARY

Senior Systems Administrator with 12+ years of progressive experience supporting enterprise Windows infrastructure, virtualization, network security, endpoint management, and business-critical backup/disaster recovery. Recent experience in a defense manufacturing environment supporting 100+ virtual machines across 15+ hosts, Hyper-V/SCVMM clusters, enterprise NAS storage, SQL and file-server protection, and cross-site recovery operations. Strong background in Active Directory, Group Policy, SCCM, VMware, Microsoft 365/Azure AD, Meraki, Fortinet, PowerShell, and infrastructure documentation.

CORE TECHNICAL SKILLS

• Systems & Virtualization: Windows Server, Active Directory, Group Policy (GPO), Hyper-V, SCVMM, VMware, SCCM, WDS, SQL Server, Microsoft 365

• Backup, DR & Storage: NAKIVO Backup & Replication, StorageCraft ShadowProtect/ImageManager, Acronis, NAS/SAN, SMB, iSCSI, backup repositories, replication, recovery testing

• Networking & Security: Meraki, Fortinet, SonicWall, Barracuda, firewall administration, access control, vulnerability remediation, endpoint security, IAM/SSO/MFA

• Cloud, Endpoint & Automation: Azure AD, Intune, Mosyle MDM, Google Workspace, PowerShell, Python-

, Docker/Kubernetes fundamentals, ConnectWise, NinjaOne, Salesforce PROFESSIONAL EXPERIENCE

Point Blank Enterprises Apr 2026 - Aug 2026

System Administrator Pompano Beach, FL

• Administered enterprise Windows Server and Hyper-V infrastructure spanning 15+ hosts and 100+ virtual machines, including clustered workloads managed through System Center Virtual Machine Manager (SCVMM).

• Supported virtual host operations, VM lifecycle management, server troubleshooting, storage connectivity, and infrastructure availability across primary, secondary, and disaster-recovery locations.

• Led the migration of backup and disaster-recovery workloads from StorageCraft ShadowProtect/ImageManager to NAKIVO Backup & Replication by planning repository design, deploying transporters, configuring jobs, and validating recovery results.

• Built and supported NAKIVO protection for Windows file servers and Microsoft SQL Server workloads; validated application aware requirements, retention, RPO/RTO objectives, log-truncation prerequisites, and test restores.

• Configured and maintained enterprise NAS backup repositories and replication storage; performed capacity planning and troubleshooting for SMB shares, repository connectivity, I/O issues, corruption events, and storage availability.

• Planned cross-site replication of critical server workloads between Pompano and Miami to strengthen disaster-recovery readiness and reduce recovery time.

• Troubleshot service-account permissions and least-privilege access for backup operations, including administrative shares, SMB access, Backup Operators rights, and required Windows services.

• Created technical documentation and operational runbooks for SQL backup prerequisites, NAKIVO migrations, recovery procedures, infrastructure inventories, and backup/replication status reporting; coordinated implementation details with internal teams and vendor support.

Posnack Hochberg Jewish Day School Jul 2018 - Mar 2026 Senior System Administrator Davie, FL

• Managed enterprise IT systems, Windows servers, Active Directory, Group Policy, network security, and endpoint services supporting 500+ faculty, staff, and students.

• Administered Meraki, Fortinet, and SonicWall firewall/network infrastructure; performed system hardening, vulnerability assessments, remediation, monitoring, and capacity planning.

• Designed and automated Mosyle MDM management for iPads and Macs, including Apple VPP and device lifecycle administration.

• Implemented backup and disaster-recovery solutions, Windows Deployment Services (WDS), and Acronis imaging to improve resilience and deployment efficiency.

• Administered Canvas LMS and Clever SSO; supported infrastructure modernization, vendor escalations, documentation, and end-user support while reducing recurring escalations.

• Managed server patching, updates, performance monitoring, and device lifecycle operations while maintaining enterprise access controls and business continuity.

Florida International University Sep 2014 - May 2018 IT Field Lead Specialist Miami, FL

• Supported FIU Online enterprise technology operations, hardware, and software for local and international users; managed vendor escalations, procurement, equipment returns, and end-user support.

• Built server-based WinPE images for SCCM deployment and managed Active Directory administration including FSMO roles, organizational units, users, and Group Policy.

• Supported the Blackboard-to-Canvas LMS migration, Adobe Creative Cloud administration, remote-support platforms, Salesforce service-desk workflows, and technical documentation and training.

• Installed and configured enterprise software/hardware platforms and created user-facing technical manuals and staff training materials.

Palindrome Consulting Aug 2013 - Sep 2014

Desktop Support & Field Support Specialist Hollywood, FL

• Delivered remote and onsite managed IT services for 70+ business clients, supporting physical and virtual servers, firewalls, networks, and an average of 50+ users per client.

• Implemented backup and disaster-recovery solutions at client sites and Verizon Terremark (NAPP); administered virtual host environments and ConnectWise, Automate, and ScreenConnect tooling. DHL Jun 2013 - Aug 2013

Desktop Support Specialist II (Contract) Miami, FL

• Supported a 1,500+ user environment and helped lead the Windows XP-to-Windows 7 migration by imaging more than 1,000 PCs with Symantec Ghost.

EDUCATION

Colorado Technical University 2013

Bachelor of Science, Computer Software Engineering CERTIFICATIONS

• Lenovo Certified Depot Repair: 80+ certifications

• CJIS Security Awareness Level 4: completed 2019-2025

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