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Infrastructure Engineer · Charlotte, NC

Systems thatstay secure.

Explore my workRésumé ↓
3D character render of Donavon in a black suit and tie, smiling, seated at a laptop on a dark desk.

02 — About

Hi, I'm Donavon.

Infrastructure Engineer securing 300+ production and BCP servers across 9 enterprise applications, backed by 7 years of production support and systems operations in regulated environments. Deep troubleshooting across infrastructure, integrations, and platform migrations.

Résumé ↓LinkedIn
ACCESS CREDENTIAL
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Donavon Miller

Infrastructure Engineer

Badge No.
SPECIMEN-0000
Clearance
Lv. 7
Since
2019

Access granted to:

  • Infrastructure Engineer, Wells Fargo
  • 300+ production and BCP servers secured
  • 3,000+ enterprise facilities supported
  • 2 promotions at SolarWinds
  • 4 Nexus apps built

Specimen, not a real credential

Quick facts

Based in
Charlotte, NC
Current role
Infrastructure Engineer, Wells Fargo (Contract)
Education
BS Business Administration, CIS · Appalachian State University, 2019

Fix it safely first. Write down what worked. Hand production a change it can trust.

Paraphrased from my résumé

03 — Skills

The periodic table of my stack.

Every tool from my résumé, grouped into its six families. Pick one to see where I used it.

31 elements in 6 families

04 — Selected work

Things I've built.

Four apps I built for my own life, all on one rule: commit the rules and thresholds before any data comes in, so the results can't be bent to fit.

01 · Job-search tracker

A locally-run dashboard that tracks, vets and prices jobs found elsewhere. Nothing in it submits anything anywhere.

Vetting happens before applying, because by the time you've applied you've already handed a possibly fake posting your résumé.

  • Totals and tiers are recomputed app-side from each score. The model's own arithmetic is never trusted.
  • Both scoring rubrics commit a kill criterion before any data comes in. If a rubric doesn't predict outcomes, it gets recalibrated, simplified or dropped.
  • Optional API path: the key stays server-side, the spend ceiling is checked before each call, and cost is logged from real usage.
  • Next.js
  • React
  • Tailwind
  • Claude
  • JSON schema validation
Illustrative UI · demo coming soon

02 · Investment research dashboard

A personal intelligence layer over several brokerage accounts that annotates rather than trades. Nothing in it places an order.

Each analysis tab builds a context-packed prompt from live data, and Claude's JSON reply is validated and shown as a diff before anything is saved.

  • 6+ financial data APIs, with every key kept server-side behind Next.js API routes acting as proxies.
  • Claude Vision extracts holdings from screenshots through forced tool-use output, checked against a strict JSON schema.
  • Analysis tabs use a prompt generator instead of direct API calls, which hit rate limits and gave shallower analysis. Nothing saves without a reviewed diff.
  • Next.js
  • React
  • Tailwind
  • Recharts
  • Plaid
  • Finnhub
  • Claude
  • Claude Vision
Illustrative UI · demo coming soon

03 · Auto-scheduling planner

A personal planner modelled on the core of Motion: it takes tasks with durations, priorities and deadlines, finds free time, and places them as blocks on Google Calendar.

It re-plans whenever the calendar changes and flags a task as can't-fit the moment the math fails, not the day it's missed.

  • The planner is one pure function with no I/O, clock, randomness or model. Same inputs, same plan, each placement with a one-line reason.
  • Narrowest OAuth scopes that work: it can write only to the one calendar it created, never to real events.
  • One background worker is the only thing that plans and writes, so two planners can never fight over the calendar.
  • Next.js
  • React
  • Tailwind
  • SQLite
  • Google Calendar API
  • Node.js
Illustrative UI · demo coming soon

04 · NFL analytics: does a research process beat the market?

An NFL research dashboard that puts what free APIs know about a game onto one card, then packages it into a structured prompt so Claude analyzes from verified inputs.

Then it measures whether the picks are any good: against the spread, next to the baseline of simply taking the market favorite.

  • Grading is mechanical and app-side from final scores, always shown next to the pick-the-favorite baseline.
  • Bulk paste-back matches picks by each game's matchup key, not position, so a skipped game can't shift results.
  • Nothing is pre-filled: an untouched form would have logged the market's own pick as if it were analysis.
  • Next.js
  • React
  • Tailwind
  • ESPN API
  • The Odds API
  • nflverse
  • Open-Meteo
Illustrative UI · demo coming soon

05 — Experience

One path, so far.

  1. 2019

    BS Business Administration, CIS

    Appalachian State University · Boone, NC

    Bachelor of Science (BS) in Business Administration, Computer Information Systems

  2. Sep 2019 – Dec 2020

    Technical Specialist

    SolarWinds · Charlotte, NC

    • Developed deep product expertise in SQL Server environments through customer-facing technical support for SolarWinds database monitoring products including SQL Sentry and Database Mapper.

  4. Jan 2021 – Nov 2021

    Technical Support Representative

    SolarWinds · Charlotte, NC

    • Acted as the primary point of contact for customer-reported incidents involving software and services in a B2B environment.
    • Assisted DBAs in troubleshooting performance issues on database servers, ensuring system efficiency and uptime.
    • Provided support for SQL Sentry and Database Mapper, with a primary focus on SQL Sentry, a Windows-based application used for monitoring databases.
    2 more
    • Guided and educated customers within established procedures, ensuring thorough solutions to their technical and service-related inquiries.
    • Created backend queries to investigate and troubleshoot issues at the database level of SQL Sentry in customer environments.

  6. Nov 2021 – Jan 2023

    Application Engineer

    SolarWinds · Charlotte, NC

    • Provided Tier 3 technical support specializing in premier enterprise customers and high-priority B2B cases for Database Performance Analyzer, SQL Sentry, and Database Mapper.
    • Mentored Tier 1 and Tier 2 support teams, managing escalated cases and ensuring resolution of complex issues across network, SQL permissions, and application layers.
    • Resolved a wide range of issues from port configuration and firewall restrictions to complex software defects requiring deep log file analysis.
    2 more
    • Consistently led the team in case closures, maintaining the highest monthly resolution rate.
    • Achieved a 99% positive satisfaction rate based on customer feedback surveys.

  7. Feb 2023 – Dec 2023

    Technical Support Engineer

    Intradiem · Alpharetta, GA

    • Delivered enterprise-level SaaS product support for Intradiem's B2B workforce automation platform (WFM) by diagnosing and resolving integration, performance, access management, and configuration issues using Fiddler, Wireshark, DebugView, and Process Monitor, maintaining 100% SLA compliance across all assigned accounts.
    • Collaborated with development and customer success teams to resolve complex technical support cases.
    • Analyzed system logs across both Windows and Linux environments to identify root causes of user-reported issues.
    2 more
    • Led escalation meetings with management at 7 enterprise organizations, resolving high-priority support cases that directly impacted client business operations.
    • Leveraged Postman to execute and troubleshoot REST API calls, accelerating diagnosis of integration-related issues and shortening mean time to resolution.

  8. Jun 2024 – Jun 2026

    Systems Operations Engineer

    Wells Fargo (Contract) · Charlotte, NC

    • Ensured system reliability and business continuity for the Physical Identity and Access Management System (PIAMS) serving 3,000+ enterprise facilities through production support, application troubleshooting, access management, configuration, and user acceptance testing (UAT) for production migrations.
    • Led deployments and ongoing support of a legacy physical-security alarm platform on Java/Tomcat stacks.
    • Supported the PIAMS migration to a cloud platform from on-prem, coordinating testing, rollback planning, and stakeholder communication across engineering and vendor teams.
    5 more
    • Served as a primary technical liaison with enterprise vendors for defects, coordinating resolution across internal engineering and external vendor teams to minimize production impact.
    • Translated requirements into clear, detailed user stories and acceptance criteria on Kanban Boards in Enterprise Agile Jira.
    • Wrote SQL queries against PIAMS data to investigate user-reported issues and validate data integrity.
    • Designed Splunk dashboards and reports for real-time system monitoring, enabling proactive identification of anomalies before they escalate to production incidents.
    • Managed change requests end-to-end in ServiceNow, ensuring efficient workflow and adherence to IT service management processes.

  9. Jun 2026 – Present

    Infrastructure Engineer

    Wells Fargo (Contract) · Charlotte, NC

    • Own vulnerability management for 300+ production and BCP servers supporting 9 physical security applications, consolidating findings from Qualys, Prisma Cloud, and IBM Guardium to drive remediation within enterprise SLA timelines.
    • Perform hands-on vulnerability remediation across non-production servers, then document validated procedures and submit ServiceNow change requests enabling the platform team to safely apply the same fixes to production and BCP environments.
    • Export vulnerability data from Power BI into custom Excel reporting and lead weekly status reviews with application managers, covering aging findings, SLA risk, and remediation plans.
    1 more
    • Track and remediate SSL/TLS certificate findings across supported application servers, including expired certificates, upcoming expirations, and signature verification failures, coordinating renewals through ServiceNow before expiry impacts availability.

  10. Now — AWS Certified Cloud Practitioner, in progress

    Next — Your team?

06 — Achievements

By the numbers.

Seven years of production work, in five numbers.

  1. 01 / 05

    300+

    Production and BCP servers secured

    Infrastructure Engineer · Wells Fargo

  2. 02 / 05

    3,000+

    Enterprise facilities supported

    Systems Operations Engineer · Wells Fargo

  3. 03 / 05

    100%

    SLA compliance

    Technical Support Engineer · Intradiem

  4. 04 / 05

    99%

    Positive satisfaction rate

    Application Engineer · SolarWinds

  5. 05 / 05

    2

    Promotions

    SolarWinds · Technical Specialist to Application Engineer

07 — Contact

Message me on LinkedIn, or download my résumé.

Message me on LinkedInRésumé ↓