Caleb Ramirez
San Juan Capistrano
Summary
Passionate IT Systems Engineer with a strong background in designing and managing secure, scalable infrastructure across servers, networks, cloud environments, and hardware solutions. Proficient in solving complex technical challenges, optimizing system performance, and aligning IT solutions with business goals. Proven experience in building strong cross-functional relationships to bridge the gap between technology and operations, while fostering team growth and delivering clear, user-focused documentation that supports adoption and long-term success.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Information Technology Systems Administrator
Dirbos
07.2023 - Current
- Architected and administered hybrid environments across Google Workspace, Microsoft 365, Azure, Intune, JumpCloud MDM, and Jamf.
- Led cloud and on-prem migrations, enabling seamless Workspace > 365 transitions and scalable infrastructure builds across multiple platforms for emerging businesses.
- Built internal policies and procedures for all clients in NinjaRMM, including automated software deployment and endpoint management.
- Configured OU structures, policy trees, and deployment logic across multiple platforms to streamline provisioning and enforce security standards.
- Managed Windows, macOS, Linux, and dual-boot systems; deployed and maintained servers (cloud-hosted and on-prem) and Active Directory.
- Built and secured network infrastructure and firewalls (Ubiquiti, Cisco Meraki, Watchguard, Aruba); configured VPNs and POS systems.
- Automated administrative tasks using PowerShell, Bash, Python, and Node.js; integrated SCIM and APIs for seamless cloud platform interoperability.
- Implemented endpoint protection using Sentinel One and collaborated with cybersecurity teams on compliance frameworks.
- Delivered IT support via Autotask; designed Slack workflows to streamline client communication.
- Created modular SOPs and user-friendly documentation; led onboarding/offboarding processes and trained junior technicians across all service tiers.
- Conducted structured cabling and deployed physical infrastructure including IoT and AV systems.
- Managed system backups and recovery processes to ensure data integrity and availability.
Acquisition Manager
Authentic Cash Buyers
06.2022 - 07.2023
- Developed strategic acquisition plans to identify and secure high-value investment properties.
- Converted inbound and outbound leads into signed contracts through persuasive communication and negotiation.
- Collaborated with internal company to refine business processes and participated in structured sales training.
- Attended industry conferences to expand market knowledge and build professional networks.
- Strengthened client engagement through refined phone etiquette and interpersonal communication skills.
Education
Information Technology
Orange Coast College
Costa Mesa, CA08-2022
High School Diploma -
Trabuco Hills High School
Mission Viejo, CA06-2022
Skills
- Hybrid environment administration
- Cloud migration
- Endpoint management
- Automated software deployment
- Network infrastructure security
- Firewall configuration
- System automation with PowerShell, Bash, Nodejs, and Python
- Linux
- API integration for interoperability
- Standard operating procedures development
- Interpersonal communication skills
- Technical support
- Server management
- Desktop troubleshooting
- Backup management
- IT documentation
- Disaster recovery
Certification
Comptia A+
Comptia Network+
Studying for AWS Certified Solutions Architect
Timeline
Information Technology Systems Administrator
Dirbos
07.2023 - Current
Acquisition Manager
Authentic Cash Buyers
06.2022 - 07.2023
Information Technology
Orange Coast College
High School Diploma -
Trabuco Hills High School