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
The Urban School
Degree
B.S. Computer Science
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, and school technology environments.

He keeps systems stable, documents clearly, and resolves problems with a calm, direct approach.

Recruiter Snapshot

Systems administration with engineering range

Endpoint administration

Apple and Windows devices, Jamf, Intune, Google Workspace, O365, asset tracking, imaging, deployment, and account support.

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

Jun 2025 - Present Contract

The Urban School

Information Technology Specialist

Provides Tier 2-3 support for 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 installations, infrastructure coverage, and cross-department needs.
Nov 2024 - Jun 2025 Contract

Alta Vista School

Information Technology Associate

Oversaw SIS data management, device deployment, hardware and software troubleshooting, and end-user support for daily school operations.

  • Supported Google Workspace, Microsoft Office, SeeSaw, Jamf, Clever, Linewize, and Veracross.
  • Developed training materials and supported multimedia, AV, YouTube, and livestream event setups.
Jun 2024 - Oct 2024 Contract

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.
Nov 2023 - May 2024 Contract

SAM Technology

System Engineer

Collaborated with IT and engineering teams on AWS, Kubernetes, and system performance work while maintaining AWS deployments, MongoDB backups, and Citrix integrations.

  • Managed Ubuntu and Windows servers, backups, troubleshooting, and maintenance tasks.
Nov 2022 - Nov 2023 Full Time

University of the Pacific, School of Health Sciences

Technical Support Specialist

Supported the SHS technology services unit, including computing systems, pedagogy technology, high-fidelity trainers, simulation systems, mobile technology, and digital media services.

Jun 2021 - Nov 2023 Full Time

Brennan Medical Corp

Systems Administrator

Managed the network operation center, configured EMR database and hardware, maintained VMware ESXi infrastructure, and supported audits, upgrades, training, and end users.

Jun 2020 - Jun 2021 Independent

Self-employed

Information Technology Consultant

Implemented technology solutions for business problems, developing schedules for technical analysis, implementation, testing, and team collaboration.

Mar 2017 - Jun 2020 Full Time

Goodwill Industries Sacramento Valley & N. Nevada

Information Technology Specialist

Managed networks, developed software, monitored network and VoIP platform performance, administered databases, remotely monitored customer networks, and maintained 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

Bachelor of Science in Computer Science from California State University of Sacramento. Coursework covered team-based software development, OOP, data structures, requirements, prototyping, documentation, technical support, operating systems, network security, and forensics.

Issued Jul 2025

Apple Certified Technician for Pro Products

Issued Oct 2024

NERC Critical Infrastructure Protection

Issued Apr 2023

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.

Preview of Cristian Barbosa Chombo's resume

Contact

Ready to keep systems reliable, secure, and well documented.

Fun fact: tennis, running, and photography keep me sharp outside work.