Jonanthan Marcellus
Application Specialist
New Haven, Connecticut, United States
Summary
👤
Senior🎓
Top SchoolJonanthan Marcellus is an Application Specialist with 9 years of experience delivering production operations and application support for enterprise Epic systems in high-availability healthcare environments. He specializes in backend system operations—monitoring interfaces, managing background jobs, and resolving system/data issues using tools like Epic Background Monitor, Data Courier, PuTTY, and ServiceNow—to keep mission-critical workflows stable for large user populations. He pairs hands-on troubleshooting and root-cause analysis with data-focused reporting, building Power BI dashboards, data models, and DAX calculations to surface operational KPIs and validate downstream accuracy. Jonanthan’s background bridging system operations, change management, and reporting enables him to translate technical incidents into actionable fixes and measurable improvements. Based in New Haven, he brings practical ITSM/ITIL experience from roles in energy and enterprise services, and a habit of turning recurring production pain points into process-driven solutions.
9 years of coding experience
2 years of employment as a software developer
Bachelor of Science - BS, Management Information Systems, General, Bachelor of Science - BS, Management Information Systems, General at Southern Connecticut State University
Github Skills (14)
twitter-bootstrap9
internet8
mongodb7
nodejs7
heroku7
http6
html6
css6
javascript6
spring6
spring-boot6
java5
git5
fundamentals5
Github contributions (5)
jmarcellus90/201701-csc-443-01
Feb 2017 - May 2017
Contributions:2 PRs, 7 pushes in 2 months
spring-bootfundamentalsspringinternetjava
jmarcellus90/Networking-Website
Jun 2018 - Nov 2018
Contributions:2 pushes, 1 branch in 4 months
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