Experience
Independent Systems & AI Consultant
High-end cloud architecture, server tuning, critical-incident recovery, and modern data engineering for global clients. 140+ Upwork engagements with a perfect 5.0/5.0 feedback rating.
AI Data Pipeline & Serverless Warehousing (2025–2026)
- Engineered a serverless data catalog pipeline (Python, BeautifulSoup, requests) to scrape, parse, and clean investigative articles.
- Structured extracted data into Apache Parquet tables, deployed to Hugging Face Datasets for serverless hosting.
- Built an interactive search/query dashboard in Gradio, with custom DNS (ALIAS/CNAME) records to serve the app securely on DigitalOcean.
Cloud Infrastructure & Migrations (AWS EC2 / VPS)
- Architected high-availability Linux cloud servers (WHM/cPanel, Concrete5 CMS, optimized PHP).
- Migrated legacy dedicated servers to scalable VPS environments (CentOS/RHEL).
Critical System Recovery & Administration
- Resolved emergency outages: JBOSS crashes, Plesk/cPanel conflicts, RAID recovery on FreeBSD.
- Configured Snort IDS and hardened network boundaries.
UNIX Engineer — E Solutions Corporation
Supported a Tier-1 collocation facility; administered OpenBSD, FreeBSD, Linux, and Windows daily. Resolved network/host security vulnerabilities and stabilized the bandwidth billing system.
UNIX System Engineer — Hilton Grand Vacations (HGVC)
Single onsite operations lead for HP-UX, Solaris, FreeBSD, macOS X, and Linux. Designed a custom Enterprise Data Warehouse (RHEL, IBM Information Server, Sun N1). Built the company's external web presence on Solaris 10 (Sun T2000, Zones, ZFS, hardware RAID). Authored automation tooling in Perl, C, and Bourne shell.
UNIX Administrator — Vortech, Inc.
UNIX Administration & Support — Magna Computer Corp
UNIX System Administrator & Network Engineer — Independent Consultant
Implemented OpenBSD/Linux/Windows servers in colocation centers; built web app servers from scratch (Apache, Perl, PHP, MySQL); wrote terminal utilities in C/ncurses/GTK/X11.
Second Level Support — Jobwarehouse
Education
- Valencia Community College — Computer Science & Systems Study (1996–1998, 2000–2002)
- Winter Park High School — Gifted Academic Program (1992–1996)
Core Skills
Published Portfolio
Cold War Erosion Simulation
Published portfolio project.
ircII Gemma Prompt Sandbox Node
Published portfolio project.
Running a Self-Contained LLM for Less Than $10 a Month
Published portfolio project.
Recent Completed Jobs (sample)
| Job | Rating | Earned | Rate | Hours |
|---|---|---|---|---|
| System administrator | 5.0 | $1,086.17 | $49.00/hr | 22 hrs |
| Build Server to Support ISP system software | — | $12,911.55 | $49.00/hr | 264 hrs |
| Server Administrator | 5.0 | $1,500.00 | $30.00/hr | 50 hrs |
| Malware removal from Laravel website and server | — | $130.66 | $49.00/hr | 3 hrs |
| Server move from RackSpace | — | $80,275.00 | $50.00/hr | 1,606 hrs |
| Aruba | — | $2,025.34 | $49.00/hr | 41 hrs |
| Experienced Linux Sysadmin: Update, Security Audit, SSL | — | $375.67 | $49.00/hr | 8 hrs |
| Britnet social network fix | 5.0 | $100.00 | Fixed price | — |
| Need DNS expert to track query path | 5.0 | $49.00 | $49.00/hr | 1 hr |
| install SSL certificate ssh access | 5.0 | $40.83 | $49.00/hr | 1 hr |
Testimonial
"Aaron is a very good systems engineer for Linux, UNIX and Windows. He has an in depth understanding of system internals. I found him to be an honorable man that stands behind his word and keeps on track of the project. He would make a good supervisor in any company." — Shelton R., Sr. IT Consultant / DB2 DBA Expert, Xtivia (worked directly with Aaron at HGVC)