Kaleb Castillo
kalebcastillo.com | GitHub | kaleb.castillo@gmail.com | 551-689-2339 | Jersey City, NJ
Projects
- AWS Hosted Cloud Portfolio – Designed and deployed a full-stack serverless portfolio using Terraform, Astro, Lambda, and DynamoDB; implemented dual test and production CI/CD pipelines with GitHub Actions
- Azure Two-Tier App Architecture – Built a secure Azure VNet with load balancing, segmented subnets, and NSG rules; automated PostgreSQL backups to Blob Storage
- Learn to Cloud Phase 2 Capstone – Contributed via GitHub to a FastAPI + PostgreSQL application written in Python; implemented deployment enhancements with Docker and collaborated on codebase improvements
- Containerized CI/CD Pipeline – Containerized a FastAPI + PostgreSQL application using Docker; orchestrated automated builds and deployments with Jenkins and GitHub Actions
Certifications
- Terraform Certified Associate
- Microsoft Azure Administrator (AZ-104)
- Cisco Certified Networking Associate (CCNA)
- Certified Kubernetes Administrator (CKA) – In Progress
Experience
ConnectOne Bank – Englewood Cliffs, NJ
IT Systems Administrator | 2022 – Present
- Collaborate with Data and SWE teams to integrate SSO across enterprise applications using Azure Entra ID
- Implemented Azure Site Recovery and Azure Disk Encryption across all servers, improving compliance posture
- Automated Azure server governance checks with PowerShell, saving 10+ engineer-hours weekly
- Deployed and maintain Acronis Snap Deploy imaging solution, reducing imaging time by 80%
- Manage WhatsUpGold for centralized server, UPS, and PDU monitoring, maintaining 99.9% uptime
- Administer PDQ Deploy and Inventory for automated application and security patch deployments
- Led the implementation of ParkPlace hardware monitoring for physical server fleet
- Manage Group Policy to enforce security and configuration standards across all devices and user accounts
Five Rivers IT – Rochelle Park, NJ
Systems Engineer | 2020 – 2022
- Led network infrastructure upgrade for 100+ user environment, improving performance and reliability
- Served as primary technical resource for two midsize clients, maintaining close collaboration with leadership to strengthen partnerships
- Acted as an escalation point for Service Desk team, providing advanced troubleshooting support
Solarus Technologies – New York, NY
Help Desk Analyst | 2018 – 2020
- Consistently topped help desk leaderboards for tickets completed per week
- Provided onsite and remote technical troubleshooting to client base of 60+ companies
- Developed excellent rapport with small business owners, delivering high-quality support and contributing to strong client retention metrics
Education
Rutgers University – Newark, NJ
Major: Information Systems | 2015 – 2017