Jose Diaz-Calderon

Systems Admin providing systems update maintenance to production environments. Dedicated to providing clear communication to systems stakeholders to promote timely patch deployments while maintaining system uptime.

• Writing and deploying Powershell remediation scripts using Intune
• Creating and deploying software update deployments in SCCM
• Network Operations experience with Solarwinds Orion and Azure Monitor
• Monitoring business operations with Tidal and Blue Prism.
• Configuring nginx web servers and provisioning DNS and TLS certificates
• Deploying virtual machines with VMWare to run Ubuntu and Debian-based servers.
• Containerizing server applications using Docker.
• Deploying network storage using SMB and NFS.

• AZ-900
• CompTIA A+

2018

• Developed android app to crop photos of documents into a square black and white image.
• Migrated homelab to AM3 desktop system.

2019

• Upgraded homelab to a Supermicro X8DTN+ 2U server.

        - ESXi 6.7 hypervisor.        

• Changed network gateway to PFSense ran on a dedicated ITX Z390 mini-desktop.

2022

• Registered domain jdzcal.com and stood up a VPS on Digital Ocean to host a resume site.

        - https://jdzcal.com

2023

• Implemented offsite backups using rclone and a BackBlaze B2 bucket.

        - Rclone is run on a schedule using a cron job .

• Upgraded server to a Supermicro X10DRH-iT.

        - Migrated NAS to Openmediavault.

• Upgraded switch to Ubiquiti US-48-750W PoE+ switch.

        -  Deployed cloud controller in Ubuntu VM.

• Stood up a Mastodon instance using Docker.

        - Configured SMTP server using Amazon SES for password reset emails.

• Migrated servers from package installs on Ubuntu VM to docker images.

        - Some services converted to docker via self-written docker-compose config.

2024

• Create a dockerfile for the dedicated server for Palworld

        - https://github.com/PlasticCafe/docker-palworld/blob/main/Dockerfile

• Migrated NAS to ZFS pool managed by TrueNAS Scale.

       - Run NFS, SMB, and iSCSI.

       - Deploy containers using built-in k3s feature.

       - 14TB capacity RAIDZ1 pool with 2 vdevs.

• Migrated network gateway to OPNSense ran as a VM under Proxmox.

       - Created a VPN link to a VPS instance to allow access from internal network using wireguard.

Self Study:

• Completed Android Programming 3rd Edition –Bill Phillips, Big Nerd Ranch.
• Completed PowerShell for Sysadmins – Adam Bertram, no starch press.
• Completed Getting Started with SQL – Thomas Nield, O’Reilly.
• Completed 75 problems on Leetcode.
• https://leetcode.com/u/PlasticCafe
• Completed FreeCodeCamp web development course.
• CompTIA A+ Certificate.
• AZ-900 Certificate.
• Working on CompTIA N+ Certification
• Completed Network+ Certification: The Total Course – Mike Meyers