Sean T.

Tech Lead Software Engineer | Adjunct Faculty

St Charles, Missouri, United States

About

Versatile Tech Lead with 19 years of experience, strong software/systems engineering skills, and an ever-growing knowledge of Solution Architecture and Cloud technologies.

Experience

  • Tech Lead Software Engineer at Southwest Airlines
    Aug 2023 - Present · 2 yrs 11 mos

    Lead an Agile software development pod working on business critical functionality. I strive to create an environment of learning and knowledge sharing within the pod. Key Technologies Used: - React / Typescript - Spring Boot / Java - GitLab CI - AWS (DynamoDB, EKS, ECS, Lambda, RDS)

  • Adjunct Faculty at St. Charles Community College
    Jan 2025 - Present · 1 yr 6 mos

    Develop and deliver Linux Administration coursework, translating complex technical concepts into accessible learning modules that prepare students for an exciting career.

  • Senior Consultant at Daugherty Business Solutions
    Jan 2022 - Aug 2023 · 1 yr 8 mos

    Versatile Senior Consultant with 15 years of experience in software engineering, system engineering, process automation, and security. Strong analytical and troubleshooting proficiencies instrumental in implementing workable solutions to business problems. Results-driven, dedicated, and energetic team player with an ever-growing knowledge of Agile, Cloud, and DevOps practices.

  • Technical Architect at General Dynamics Information Technology
    May 2016 - Jan 2022 · 5 yrs 9 mos

    Responsible for design, development, delivery, and support of software solutions. Execute against project plans and delivery commitments throughout the project lifecycle. - Modernized a 15-year-old J2EE application by rewriting it in Spring Boot and Angular. - Reduced technical debt and improved user experience by replacing PL/SQL Procedures with Spring - Data JPA. - Implemented X.509 Authentication and Authorization using Apache Web Server, Angular Auth Guards, and Spring Security. - Automated the installation and configuration of app, web, and database systems on Windows and Linux virtual machines. - Eliminated approximately 1,100 hours of manual work each year but automating the RHEL package download and validation process for an air-gapped DoD enclave. - Automate flat-file processing for a series of Extract, Transform, Load workflows. - Maintained a small ASP.NET MVC application. - Developed a Bash scripting pipeline that ingested over 25,000 flat-files per day into a series of Extract, Transform, Load (ETL) workflows. - Wrote a PowerShell script that performed backup and sync operations on 6,000 files every hour between four servers in two different environments.

  • Field Service Technician at Hewlett Packard Enterprise
    Nov 2010 - Apr 2016 · 5 yrs 6 mos

    Tier 3 Windows Administrator responsible for troubleshooting, installing, and maintaining hardware, software, and user accounts while providing excellent customer service. - Provided on-site assistance to the Navy IT support personnel with administrative tasks to include coordination of Move, Add, Change (MAC) requests. - Automated creation, transfer, and deletion of user accounts, exchange mailboxes and user profiles using PowerShell. - Provided on-the-job training to newly hired Field Service Technicians in the Midwest region. - Selected to relocate and reinstall network equipment after Terrorist attack in Chattanooga, TN on 6/15/2015.