Endpoint administration
Apple and Windows devices, Jamf, Intune, Google Workspace, O365, asset tracking, imaging, deployment, account support, and high-volume user support.
San Francisco, CA | Systems Administration | Systems Engineering
Cristian Barbosa Chombo
Systems administrator and systems engineer focused on reliable infrastructure, secure operations, clear documentation, and fast issue resolution.
- Current Employer
- The Urban School
- Strength
- Systems reliability
Profile
Systems administrator and systems engineer with practical infrastructure ownership.
Cristian manages endpoints, servers, cloud tools, backups, identity workflows, and user support across Apple, Windows, Linux, VMware, AWS, healthcare, education, and multi-site environments.
He keeps systems stable, documents clearly, and resolves problems with a calm, direct approach.
Recruiter Snapshot
Systems administration with engineering range
Server and network operations
Windows Server, Linux, VMware ESXi, Hyper-V, Citrix, DNS, DHCP, TCP/IP, backups, audits, and maintenance.
Systems engineering mindset
AWS, Kubernetes, EMS infrastructure, MongoDB, scripting, documentation, performance checks, and NERC CIP awareness.
Experience
Infrastructure, systems, and support roles
The Urban School
Information Technology Specialist
Provides Tier 2-3 support for 550+ students, faculty, and staff across Apple devices, classroom AV, Google Workspace, PowerSchool, JumpCloud, and school technology infrastructure.
- Troubleshoots, repairs, images, configures, and deploys laptops and equipment.
- Maintains asset tracking, repair documentation, user accounts, and system reliability.
- Supports loaner devices, software installs, infrastructure coverage, and cross-department needs.
Alta Vista School
Information Technology Associate
Oversaw SIS data management, device deployment, hardware and software troubleshooting, and end-user support for roughly 360 students, faculty, and staff.
- Supported Google Workspace, Microsoft Office, SeeSaw, Jamf, Clever, Linewize, and Veracross.
- Developed training materials and supported multimedia, AV, YouTube, and livestream event setups.
Larson & Toubro
DevOps Operator
Supported EMS infrastructure and Linux systems for Electric Grid Operations, assisting with testing, scripting, and documentation for EMS integration projects.
- Applied NERC CIP standards to safeguard BES Cyber System Information.
SAM Technology
System Engineer
Collaborated with IT and engineering teams on AWS, Kubernetes, and system performance initiatives for a cloud platform serving 500+ accounting and wealth advisory firms.
- Maintained AWS deployments, MongoDB backups, Citrix integrations, Ubuntu, and Windows servers.
- Monitored system health and contributed to production reliability and availability.
University of the Pacific, School of Health Sciences
Technical Support Specialist
Supported technology operations for approximately 2,000 students, faculty, and staff, including computing systems, simulation technology, mobile devices, classrooms, and digital media.
Brennan Medical Corp
Systems Administrator
Managed the network operations center, EMR databases, supporting hardware, and VMware ESXi infrastructure for a 10-50 user healthcare environment.
- Supported security, audits, infrastructure upgrades, high availability, and staff training.
Self-employed
Information Technology Consultant
Implemented technology solutions for business problems, developing schedules for technical analysis, implementation, testing, and team collaboration.
Goodwill Industries Sacramento Valley & N. Nevada
Information Technology Specialist
Supported technology operations for approximately 2,000 employees across 39 locations.
- Managed network infrastructure, VoIP performance, databases, remote monitoring, IP hardware, software services, and POS systems.
Technical Toolkit
Core systems skills
Endpoint & User Support
- macOS, Windows, UNIX-like client support
- Jamf, Intune, Google Workspace, O365
- ServiceNow, Jira, asset tracking, documentation
- Classroom AV, livestreams, training materials
Infrastructure
- Windows Server, Linux, VMware, Hyper-V
- TCP/IP, DNS, DHCP, Cisco, domain controllers
- Citrix, EMS, SCADA, server maintenance
- Backups, audits, identity and access workflows
Cloud & Data
- AWS, Kubernetes, MongoDB, Microsoft SQL
- Python, JavaScript, scripting, rapid prototyping
- VS Code, testing, requirements, documentation
- NERC CIP and cyber system information handling
Education
Computer Science foundation with practical systems depth
Completed advanced coursework in computer science, including team-based software development, object-oriented programming, data structures, software requirements, prototyping, technical documentation, technical support, operating systems, network security, and digital forensics.
Apple Certified Technician for Pro Products
NERC Critical Infrastructure Protection
FBI Collegiate Citizens Academy
Original Resume
Downloadable PDF included for ATS and recruiter workflows
The website is designed to make Cristian's experience easier to scan, while the original PDF stays available for applications that require a traditional resume upload.
Contact
Ready to keep systems reliable, secure, and well documented.
Fun fact: tennis, running, and photography keep me sharp outside work.