Sean Umphlet - Systems Administrator

Sean Umphlet

Systems Administrator

Newport News, Virginia, United States

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Summary

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Sean Umphlet is a systems administrator with a decade of hands-on experience in Linux operations, web hosting support, and web development technologies like PHP/MySQL, HTML5, CSS, and jQuery. Currently supporting NASA Langley systems at Leidos, he brings practical expertise in server diagnostics, resource optimization, and secure configurations gained across tiered support and dedicated server environments. His background includes escalating and resolving complex issues with cPanel, Apache, MySQL, and NGINX, and advising on PCI compliance and performance improvements. Sean pairs formal cloud computing training from Western Governors University with a Full Stack Web Development certification from Free Code Camp, bridging infrastructure and application knowledge. He maintains a quieter presence on GitHub in favor of self-hosted work on GitLab, reflecting a preference for curated, long-term project stewardship. Colleagues describe him as a pragmatic troubleshooter who moves smoothly from customer-facing support to deep system administration.

10 years of coding experience

7 years of employment as a software developer

Full Stack Web Development Certification, Computer Software Engineering, Full Stack Web Development Certification, Computer Software Engineering at Free Code Camp

High School Diploma, Computer Science, High School Diploma, Computer Science at Oscar Smith High School

Bachelor's degree, Cloud Computing, Bachelor's degree, Cloud Computing at Western Governors University

Stackoverflow

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Github contributions (5)

umphlet/molybdenum

Aug 2017 - May 2022

Contributions:4 pushes, 1 branch in 4 years 9 months

umphlet/hugs

Aug 2017 - Jul 2022

Contributions:17 commits, 15 pushes, 1 branch in 4 years 11 months

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