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davisle345/README.md

Hi there, I'm Davis 👋

🖥️ IT Operations Analyst building and running IT end-to-end for a fast-moving SaaS company ☁️ Cloud · Identity & Access · Endpoint Security · Automation 🎓 Pursuing my M.S. in Data Analytics (Data Engineering) @ WGU

Portfolio LinkedIn Email

💻 About Me

I keep a SaaS company running — owning device lifecycle, identity and access management, endpoint security, and the automation that ties it all together. I like turning manual, error-prone work into reliable scripts, keeping access clean and least-privilege, and staying audit-ready (SOC 2, HIPAA).

Open to Systems Administrator, IT Engineer, and Cloud/IT Operations roles in the San Jose Bay Area.

🛠️ What I Work With

Cloud & Infrastructure

AWS Windows Server Linux macOS

Automation & Scripting

PowerShell Python Bash SQL

Tools & Collaboration

Google Workspace Git Jira

Identity, Security & Compliance

JumpCloud Qualys Trend Micro Vanta

🚀 Things I've Built

  • 🔐 SSL/TLS Certificate Rotation Automation (PowerShell · AWS) — automates certificate deployment on IIS: pulls a PFX from S3, imports it with secure key handling, verifies the key before re-pointing every HTTPS binding, and cleans up so no private key is left on disk. Includes a manual runbook for Nginx/Linux.

  • 🤖 DDQ RAG Assistant (Python · LangChain · FAISS · AWS Bedrock) — turns a company's past due-diligence and security questionnaires into a searchable answer engine. Uses retrieval-augmented generation to draft cited, copy-ready answers with a confidence score, cutting hours of repetitive work to seconds. Ships with synthetic sample data.

  • 📊 Service Desk Analytics (Python · pandas · Streamlit · SQLite) — turns years of raw IT support tickets into an interactive dashboard that shows what's driving the workload, how fast issues get resolved, and where automation would pay off. Sanitizes the export first (identities hashed, free text dropped), computes service KPIs and SLA compliance, and generates an automated performance report. Built on real, fully anonymized tickets.

📫 Let's Connect

🌐 Portfolio · LinkedIn · Email

Thanks for stopping by!

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  1. ssl-cert-rotation ssl-cert-rotation Public

    Automates SSL/TLS cert deployment on IIS (PowerShell, S3-backed) with secure key handling; includes a manual Nginx/Linux runbook.

    PowerShell

  2. ddq-rag-assistant ddq-rag-assistant Public

    RAG assistant that turns past due-diligence & security-questionnaire answers into instant, sourced, copy-ready responses. Python, LangChain, FAISS, AWS Bedrock.

    Python

  3. service-desk-analytics service-desk-analytics Public

    Turns years of raw IT support tickets into a simple dashboard showing what's driving the workload, how fast issues get resolved, and where to automate. Python, pandas, Streamlit.

    Python