John Pellman
Senior System Administrator
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJohn Pellman is a Senior System Administrator with 12 years of experience designing and operating Linux-based research computing environments in New York. He has led cloud migrations and secure research deployments—recreating on-prem Hadoop clusters in GCP using Terraform, Dataproc, Cloud SQL, and OS Login—while contributing to NIST 800-171 and CMMC 2.0 compliance efforts. John’s hands-on expertise spans GPU cluster troubleshooting, SLURM scheduler tuning, Ansible/Salt codification, and bespoke tooling to improve researcher workflows and cluster responsiveness. He has a strong track record of automating infrastructure (Terraform, Ansible), building reproducible architectures for virus/DLP scanning and cost controls, and mentoring students and researchers. Comfortable bridging research needs and production reliability, he brings a background in cognitive science and psychology that informs his user-focused approach to systems design. Based in New York, he combines deep systems troubleshooting (PCIe/IOMMU GPU issues) with pragmatic security and cloud-first engineering.
12 years of coding experience
7 years of employment as a software developer
B.A Psychology; French; Cognitive Science, B.A Psychology; French; Cognitive Science at Oberlin CollegeMohawk Valley Community CollegeClinton Senior High SchoolPostbac Studies Computer Science, Postbac Studies Computer Science at Columbia UniversityJunior Year in France (Study Abroad Program), Junior Year in France (Study Abroad Program) at Hamilton College
English, 𐑦𐑙𐑜𐑤𐑦𐑖, French
Stackoverflow
1reputation
88reached
1answer
1question
Github Skills (200)
dataflow10
datasets10
chat10
electrophysiology10
mri10
python10
connectivity10
pipeline10
risk-assessment10
slack10
machine-learning10
toolbox10
gpu10
dataflow-programming10
neuroimaging10
Programming languages (26)
Github contributions (5)
jpellman/astral-github-stars
Jan 2020 - Feb 2024
A mirror of my Github stars as organized/curated using https://app.astralapp.com/.
Contributions:15 pushes, 2 branches in 4 years 1 month
organizedcontribution-graphprobot
jpellman/brain-age-prediction
May 2016 - Jul 2017
Contributions:11 commits, 8 pushes in 1 year 2 months
brainnotesdeep-learningmotionhead
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