Incident response
Move from signal to resolution with focus, context, and clear communication.
Los Angeles, California
Keeping digital
experiences moving.
I’m Mario—a production support engineer with five years of experience keeping customer-facing systems reliable, untangling difficult issues, and improving how support teams work.
observe
resolve
improve
MR
People × systems
in constant motion
in constant motion
01 / Introduction
AI support · Production engineering · Operations
What I do
I keep production systems reliable—investigating issues, finding root causes, and building better support workflows with code and AI.
Root-cause analysis
Trace recurring problems beyond the symptom and document what the team learns.
AI-assisted support
Use Claude Code and Codex to speed investigation and strengthen support workflows.
Web engineering
Bring a developer’s eye to maintainability, accessibility, and product quality.
02 / Experience
Work that stays useful
after the moment passes.
From supporting a global restaurant brand to building for mission-driven organizations, I’ve learned to pair technical depth with clear communication.
Current
Taco Bell
Oct 2023 — Present
AI-Focused Production
Support Engineer
Supporting the systems behind a fast-moving digital restaurant experience. I investigate production issues, coordinate with partner teams, and use Claude Code and Codex to speed up analysis, improve documentation, and make repeat problems easier to solve.
Previous
Last Call Media
May 2022 — Aug 2023
Junior Engineer
Contributed to accessible, maintainable web experiences in a collaborative agency environment, translating requirements into thoughtful implementation and learning through close partnership with designers, engineers, and clients.
The throughline
Across five years in production support, I’ve learned to understand the whole system, communicate without noise, and never lose sight of the person on the other side of the screen.
03 / Approach
How I show up.
Reliable systems are built by curious people who document what they learn and communicate with care.
Stay curious
Look past the symptom. Ask better questions, trace the signal, and understand how the pieces connect.
Make it clear
Turn technical complexity into useful context so the right people can make the right decision.
Leave it better
Resolve today’s issue, then capture the lesson so tomorrow’s system—and team—can be stronger.
04 / About
LA34.05° N
118.24° W
118.24° W
Support engineer by craft.
Systems thinker by instinct.
I’m a Los Angeles-based production support engineer with five years of experience across support, software engineering, and operations. Much of my applied AI work has grown from my role at Taco Bell, where I use tools including Claude Code and Codex to investigate difficult problems, improve support workflows, and help digital products work more reliably.
Outside of work, I’m endlessly curious about history, geography, languages—both human and computer—and good food. Cats remain undefeated.
Claude CodeOpenAI CodexAI supportAWSJavaScriptPythonGitIncident management
05 / Contact