Ernesto Diaz Email & Phone Number

Wimauma, FL, US

Pennsylvania, United States

• Design and manage complex virtualized server environments on both Windows and Linux platforms.
• Expertly configure and maintain cloud infrastructure across multiple platforms, including AWS EC2, S3 Buckets, IAM, VPC, Azure VM's, and CloudFlare.
• Prepare and deliver technical reports and presentations to senior management and other stakeholders.
• Developed and implemented IT policies and procedures to improve system reliability and security.
• Implementing OKTA SSO integration with Slack, Monday.com and a few other apps.
• Managing and troubleshooting issues with Active Directory, DNS, DHCP, and other core infrastructure services.

Alexandria, Virginia, United States

• Orchestrated end-to-end management of Amazon Web Services (AWS), including EC2, ELB, Security Groups, Lifecycle Manager, CloudWatch, S3 Buckets, IAM, and Route53, ensuring optimal performance and security of cloud.
• Spearheaded the management of 500+ websites, guaranteeing regular updates of security and certificates for enhanced protection.
• Administered and maintained 45+ Linux and Windows servers, ensuring smooth operation and minimal downtime.
• Upgraded all servers from Ubuntu 16.04 to Ubuntu 20.04 in record time of 3 months, resulting in an improved performance of systems.
• Established a robust backup mechanism by creating snapshots and Amazon Machine Images (AMIs) of instances, facilitating hassle-free backup and creating clone instances.
• Offered prompt resolution to clients' website issues and carried out Pen Test scans for effective security management.

Tampa, Florida, United States

• Acted as System Administrator for 60+ Microsoft Servers running Hyper-V & VMware ESXi for 3 Campuses, managing 2k+ Students & Faculty.
• Monitored daily backups, antivirus status, SAN and network activity, adjusting network equipment and settings as needed.
• Recommended hardware and/or software solutions for short- and long-range goals. Researched options available and implemented (LanSweeper / Ninite Pro / VMware / ePanicButton / AWS LightSail / Plesk CP).
• Provided technical support for main office and remote facilities.
• Created the first VMware Cluster for the University College of Law Campus.
• Migrated 30+ servers from Hyper-V to VMware ESXi.

Cupey, San Juan, Puerto Rico

• MSP
• Provided immediate expert-level support to business services, including but not limited to application and web development, high-volume call center platforms, compliance inquiries, and infrastructure.
• Conducted Windows Server administration and maintenance, including Active Directory and Group Policy management.
• Demonstrated excellent troubleshooting and customer service skills to quickly meet users' needs.
• Oversaw the local configuration of a new server/communications room, installed application servers, and deployed desktop hardware and software into the new network environment.
• Analyzed and inventoried all key network infrastructure assets to plan for a corporation-wide infrastructure upgrade.

Humacao, PR

• Netadmin & Sysadmin which includes 10 remote sites, 1 DataCenter, Facilidades Medicas Asociadas, Inc. and Redes de Salud, Inc. company with over 150+ users overall including office and executive force.
• Worked as the sole IT person.
• Managed 11 Fortigates/Fortinet Firewall.
• Provided training on eClinicalWorks EMR to 80+ employees.
• Experienced in proposal development for new business opportunities.
• Implemented the company's first EMR hosted locally.

Caguas, PR

• NetAdmin & Sysadmin which included remote pharmacies, Luis Garratón, Inc. & "Criollos de Caguas Baseball Team" both companys with over 600+ users overall including office and sales force.
• Sole IT person for over a year, responsible for managing all aspects of the company's IT infrastructure.
• Managed 5 Fortigates/Fortinet Firewall configurations.
• Supervised two Tier 1 technicians, providing training to enhance their skills and improve performance.
• Led the iPad project for the sales force, resulting in orders of $19M+ during the first year.
• Negotiated contracts with ISPs, printers, and hardware vendors to secure the best prices and services for the company.

San Juan, PR

• Provided technical support to both on-site and remote users, totaling over 1,000 individuals.
• Managed a team of four (4) Tier 1 technicians.
• Administered Active Directory user accounts and ensured security protocols were being followed.
• Troubleshot issues related to email, Outlook, and Blackberry devices, and maintained constant communication with the team responsible for Exchange Servers.
• Escalated and resolved issues related to site-specific applications in collaboration with application owners.
• Served as the point of contact for all high-level technical issues and escalations, providing expert guidance and troubleshooting to resolve complex issues and minimize downtime.

Bayamon, PR

↘ Deisgned website in HTML, CSS.↘ Installed Simple Machines Forum (PHP).↘ Managed SoureForge.net, website and forum. ↘ Admin. Linux SuSe Server.↘ Gave FTP permisions.