Jason Charcalla

Oak Ridge, Tennessee, United States

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Summary

👤

Senior

🎓

Top School

Jason Charcalla is a seasoned IT and HPC engineer with over 25 years of hands-on experience and nearly a decade focused on cloud, Kubernetes, and ML infrastructure support. Currently a Professional Services Architect supporting Run:ai at NVIDIA, he blends deep systems administration roots (OpenStack, Lustre, SANs, InfiniBand) with practical cloud engineering and support leadership across Run:ai, Kubecost/Stackwatch, and Lirio. He’s comfortable from datacenter firmware to Kubernetes cost-model internals, contributing backend fixes to notable open-source projects like opencost. Based in Oak Ridge, he’s played key roles on large scientific computing projects (ORNL CADES, XSEDE) and still writes tooling and automation to keep complex HPC stacks running 24/7. Colleagues rely on his ability to translate research-grade infrastructure requirements into maintainable production systems and to triage cross-domain incidents under pressure. Jason pairs long-term architectural perspective with meticulous code- and configuration-level hygiene, a combination forged by decades managing heterogeneous, mission-critical environments.

10 years of coding experience

Whamcloud, Whamcloud at Lustre Installation and Administration

Dwave quantum programing

Solaris 10 features for experienced administrators

Dell/EMC San management/data protection

Computer Animation / Multimedia, Computer Animation / Multimedia at The Art Institutes

Work Institute - Emerging Leaders program

Mellanox Infiniband fundamentals

Github Skills (8)

go10

backend10

back-end-development10

co9

kubernetes-pods9

cost-optimization9

kubernetes9

refactoring8

Programming languages (5)

MDXTypeScriptShellGoMustache

Github contributions (5)

opencost/opencost

Apr 2022 - Aug 2023

Cost monitoring for Kubernetes workloads and cloud costs

Role in this project:

Back-end Developer

Contributions:1 PR, 25 comments, 2 issues in 1 year 4 months

Contributions summary:Jason primarily contributed to the `pkg/env/costmodelenv.go` file, suggesting a focus on the application's configuration and environment settings. Their commits involved removing checks, making corrections, and cleaning up the code, indicating a role in maintaining and refining existing backend logic. The user also adjusted the code by fixing and removing space, suggesting an understanding of code quality and maintainability within the project.

kubernetesmonitoringopencostawsazure

jcharcalla/pi_dock

Dec 2016 - Apr 2020

Contributions:15 pushes, 1 branch in 3 years 4 months

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