Sean Fergus

Dedicated to Results
San Angelo, Texas  |  sean@sandsgl.com  |  LinkedIn | sandsgl.com

Professional Summary

Results-driven senior engineer with 25+ years in mission-critical systems, data architecture, ETL and cost-effective cloud solutions. Strong technical leadership, debugging & legacy migrations.

Technical Skills

Languages: Perl (Expert), Go, Python, JavaScript, Java, SQL

Cloud: AWS · GCP

Databases: PostgreSQL · MySQL · Oracle · SQLite · BigQuery · Redis

Other: AI/Prompt Engineering, ACID Systems, Data Architecture, Debugging, Git, SDLC, Agile, Red Hat, SCAP/STIGs

Certifications: McCabe Tools Engineer · GCP Professional Data Engineer (in progress)

Interpersonal Skills

  • Team leadership
  • Empathetic Listener and Fact based
  • Dynamic Personality

Special Achievements

  • At Verison Won Company Reconition for rapid Covid Response
  • Leadership Awards

Interests and Hobbies

  • Home-Style Cooking
  • Historical Fiction
  • Strategy Games

Professional Experience

Senior DevOps Engineer Sunbird Software Jul 2023 – Oct 2025
  • Built Perl/Bash SCAP/STIG-compliant security software for military DCIM products
  • Improved Perl/Python/Bash tooling – reduced deployment cycles significantly
  • Modernized DCIM appliance platform (Rocky Linux / PostgreSQL)
Senior Consultant HookUpGlobal Jul 2022 – Jun 2023
  • Created fast Golang + SQLite microservice framework
  • Advised on architecture, migration & DR in GCP/AWS/hybrid environments
Principal Engineer – Application Development Verizon Wireless Dec 2019 – Jun 2022
  • Led Perl/DB teams on 150M+ record subscriber reconciliation project
  • Managed 15+ engineers; delivered complex projects on time & budget
  • Migrated legacy Perl systems to Java Spring Boot / ReactJS
Senior Software Engineer (Contract) Turnitin Oct 2017 – Dec 2018
  • Maintained legacy Perl, HTML, JavaScript, and PostgreSQL web applications for Turnitin Feedback Studio
  • Resolved engineering service requests (ESRs)
  • Developed secure, ACID-compliant Perl backend scripts
Earlier Career Highlights 1997–2017
  • CVS to Perforce migration (Broadcom), custom Ticket/Build system (SonicWall)
  • Architected secure DISA video teleconferencing system (AT&T)
  • Developed PayPal batch transaction monitoring & multiple migrations

Education

University of Maryland Global Campus — Computer Science (2000–2002)

Catonsville Community College — Computer Science (1994–1997)