DevOps + AI-Agentic Application Development

Leading IT. Empowering teams.

I bring 20+ years of hands-on IT experience to growing organizations—connecting people, systems, security, and business priorities across every stage of the employee lifecycle.

  • 20+ yearsIT operations
  • 109 cheatsheetsTech reference library
  • 14 projectsAI-agentic web builds
  • 27M+ tokensAI shipped monthly
Tyler Nguyen Systems · Security · Service
Time until Sunset: --

Original photography by Tyler

What I bring

Enterprise IT with a builder's eye.

For more than two decades, I've translated business pressure into systems that are easier to secure, support, and scale. My work spans strategy and hands-on execution: architecture, rollout, documentation, vendor management, and the last mile of employee adoption.

The goal is simple: technology should feel dependable to the people using it and understandable to the people accountable for it.

Selected enterprise work

Work

Stronger employee experiences. Safer operations. Measurable business value.

Business outcomes, backed by hands-on delivery.

I partner with leaders and employees to turn complex technology needs into secure, dependable systems people can actually use. Select an area to see the business impact and the tools behind it. Details are generalized to protect employer and infrastructure information.

Business impact

Created a more consistent onboarding, access-change, and offboarding experience by connecting identity systems, SSO, lifecycle workflows, and admin controls—reducing manual handoffs while strengthening oversight.

  • Okta
  • Google Workspace
  • Rippling
  • SSO

Experience

Hands-on experience. Proven leadership.

I've spent my career close to the work: solving the immediate issue, finding the systemic cause, and turning the fix into a stronger operating model.

  1. 2026 — now

    DevOps + AI-agentic Application Development

    Freelancer

    Building and improving applications through DevOps practices, AI-agentic development workflows, automation, and hands-on delivery.

  2. 2019 — 2026

    Senior IT Systems Administrator

    Biotech & healthcare

    Led day-to-day systems, identity, endpoints, collaboration, security, vendor operations, and multi-site support for a distributed organization.

  3. 2018

    IT DevOps Manager

    Technology operations

    Connected infrastructure, delivery workflows, and business priorities in a fast-moving operating environment.

  4. 2017 — 2018

    Systems Administrator

    Higher education

    Supported campus systems, endpoints, identity, and the daily technology experience for faculty, staff, and students.

  5. 11 years

    Director of IT

    Independent School Education

    Built the IT function from strategy through support, including infrastructure, budgets, security, learning technology, and team leadership.

Capabilities

A connected technology practice.

Broad enough to see the whole operating system. Detailed enough to own the rollout.

Identity & Access

  • Okta
  • Google Workspace SSO
  • Rippling
  • OneLogin
  • MFA
  • SaaS lifecycle

Endpoint & Apple

  • Rippling MDM
  • Hexnode
  • Microsoft Intune
  • Apple Business Manager
  • VPP
  • Windows

Security & Connectivity

  • Cisco Secure Access
  • Zscaler
  • Carbon Black
  • DNS security
  • VPN / ZTNA
  • Email security

Cloud & Collaboration

  • AWS
  • Google Workspace
  • Microsoft 365
  • Box
  • Slack Enterprise
  • Zoom

AI & Coding Tools

  • Claude
  • Claude Code
  • ChatGPT
  • Codex
  • Gemini

Automation, Code & Web

  • n8n
  • GitHub
  • aaPanel
  • Ghost CMS
  • PowerShell
  • Bash

Governance

  • HIPAA
  • GDPR
  • 21 CFR Part 11
  • SPF / DKIM / DMARC
  • BAA review
  • Access control

Web projects & experiments

Always building.
Always learning.

Independent web projects keep me close to modern tools, sharpen my product instincts, and turn technical curiosity into useful resources for others.

Magnolia365 eCards botanical birthday and greeting card gallery Botanical eCards platformLive project Magnolia365 eCards A free eCard website—browse, personalize, and send beautifully designed eCards for any occasion, from birthdays and thank-yous to holidays and more, delivered instantly by email. Styled with an AI-assisted illustration library and original artwork drawn in Adobe Photoshop, Adobe Illustrator, and Procreate. PHPCSS ThemeVibe CodingGitHubMidjourneyAdobe PhotoshopAdobe IllustratorProcreate Opens Magnolia365 eCards in a new tab.
Technology rocket illustration representing Tyler's technical blog Technical knowledge baseOngoing Ty1er.com - Tech Blog for System Admin Practical technical notes, implementation guides, and reusable playbooks covering systems administration, security, infrastructure, and Ghost CMS—plus a growing library of 104 cheatsheets and counting. Technical WritingGhost CMSDocumentationTech Blog
360DNA domain name marketplace homepage with featured premium listings Domain marketplaceLive project 360DNA - Domain Name Assets A premium domain-name marketplace for discovering, reviewing, and acquiring memorable brand assets—searchable inventory with a clear path from listing to purchase. Processwire CMSFront endVibe CodingPHPTwigDomain Names Opens 360DNA in a new tab. Judy Mai logo from the redesigned singer-songwriter website Artist website redesignLive project JudyMai.com — Artist Website Redesign A complete website redesign for singer-songwriter Judy Mai, featuring a custom retro jukebox where listeners select a new release and watch its vinyl record load onto the deck, spin during playback, and stop where they left off. Website RedesignSVGJukeboxVinyl RecordsCSSCustom SVG and Animation Opens JudyMai.com in a new tab.
Anthropic Claude cheatsheet page on ty1er.com Reference cheatsheetsLive project Claude + Claude Code Cheatsheet Quick-reference guides for Anthropic's consumer app and terminal coding agent—models, plans, memory and settings, and common gotchas at a glance. ClaudeClaude CodeAI AgentMCPWebCheatsheets
OpenAI ChatGPT cheatsheet page on ty1er.com Reference cheatsheetsLive project ChatGPT + Codex + ChatGPT Sites Cheatsheet Quick-reference guides for OpenAI's consumer app, code-focused models, and the in-chat site builder—shortcuts, prompting patterns, API parameters, and the limits worth knowing before you commit. ChatGPTCodexAI AgentMCPWebCheatsheets
Documentation Prompt for AI GitHub repository Documentation toolkitOpen source Documentation Prompt for AI The reusable documentation-first toolkit behind this site's own README, changelog, and coding standard—native source comments, a style guide, a security checklist, and theme-distribution guidance, portable to any web project and any AI coding assistant. GitHubAI AgentDocumentationClaude SkillsClaude Opens the Documentation Prompt for AI repository in a new tab. IPBoat sailboat and lighthouse web project artwork Network utilityLive project IPBoat.com A fast, approachable IP address and connection-information tool—designed, built, hosted, and maintained as an end-to-end web product. Product ThinkingFront EndWeb HostingPHP Opens IPBoat in a new tab. Innovation artwork representing the FGIQ web design and development playbook Curated web resourceMaintained FGIQ.com The Web Playbook for designers and developers—a curated directory of frameworks, tools, references, learning resources, and creative inspiration. Information DesignResearchCuration Opens FGIQ in a new tab.

Creative lab

Beyond technology,
into creativity.

Photography, drone video, illustration, painting, and hands-on design keep observation sharp and ideas tangible.

Start a conversation

Have a complex system that needs a calm operator?

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