Dena Thomason
@denathomason
Lead Software Engineer specializing in CI/CD, configuration management, and automation for enterprise systems.
United StatesWhat I'm looking for
I am a Lead Software Engineer with 20+ years of experience automating application deployments and driving release engineering for large-scale enterprise systems. I specialize in CI/CD, configuration management, and scripting to increase reliability and compliance.
I designed and implemented Ansible and Puppet solutions to deploy applications across 150,000+ enterprise servers, reducing manual effort and deployment errors while strengthening operational controls. I led SDLC testing for automation code using GitHub and Visual Studio to ensure stability and idempotency before production releases.
I have administered and supported WebLogic and WebSphere application portfolios during large migrations, created automated release processes with UDeploy, and led QA for production deployments to minimize downtime and validate failover capabilities. My work contributed to zero major outages and improved system resilience.
I deliver training and collaborate closely with cross-functional and global teams in agile environments to build trust and increase user proficiency, and I hold certifications in Puppet fundamentals and cloud and Linux fundamentals to support continuous improvement.
Experience
Work history, roles, and key accomplishments
Lead Software Engineer
Wells Fargo
Mar 2015 - Jan 2026 (10 years 10 months)
Designed and implemented Ansible/Puppet configuration-management to deploy applications across 150,000+ servers, reducing manual effort and errors and improving reliability and compliance; led SDLC testing and training to ensure idempotent releases and increased user proficiency.
Software Engineer
Wachovia
Jun 2008 - Mar 2015 (6 years 9 months)
Administered 30+ WebLogic/WebSphere applications during large-scale migration, achieving zero major outages; designed automated code-release process with UDeploy and led QA to improve deployment reliability and failover validation.
Infrastructure Engineer
A.G. Edwards
Mar 2000 - Jun 2008 (8 years 3 months)
Provided on-call support and migrated COBOL/Enscribe applications from Tandem to UNIX, maintaining continuous availability and modernizing legacy systems; performed Windows administration for 10,000+ servers.
COBOL Programmer
Raymond James
May 1997 - Mar 2000 (2 years 10 months)
Contributed to enterprise Y2K remediation by updating thousands of COBOL programs for four-digit year compliance, ensuring uninterrupted business operations through the millennium transition.
Education
Degrees, certifications, and relevant coursework
St. Petersburg College
Associate of Arts, Computer Science
Completed an Associate of Arts in Computer Science, covering foundational programming and systems topics relevant to enterprise environments.
Availability
Location
United StatesAuthorized to work in
Job categories
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