John Harrigan
Principal Software Engineer at Red Hat
Amherst, New Hampshire, United States
Summary
👤
Senior🎓
Top SchoolJohn Harrigan is a Principal Software Engineer with over three decades of hands-on experience in systems engineering, storage performance, and embedded Linux, currently driving storage and performance work at Red Hat. He combines deep expertise in Ceph, SAN, virtualization, and boot-time optimization with practical automation skills (Python, Ansible, shell) to build reproducible performance testing and fully automated demo/training environments. His background spans technical leadership roles at industry stalwarts (HP, SGI, Dell) where he led cross-functional product launches, performance tooling, and migration initiatives for UNIX/HPC platforms. Known for translating field investigations into living product requirements, he bridges pre-sales consulting, architecture, and engineering execution. Based in Amherst, NH, he brings a rare blend of low-level systems insight and large-scale storage product strategy that consistently improves real-world performance.
9 years of coding experience
27 years of employment as a software developer
BSEE, BSEE at The College of New Jersey
Github Skills (48)
energy-efficiency10
energy-monitor10
probe9
sustainability9
energy9
exporter9
exports9
climate-change8
carbon-emissions8
prometheus-exporter8
filesystem7
machine-learning7
ansible7
python7
ceph6
Programming languages (5)
Github contributions (5)
ksingh7/cosbench_on_ocp
Jul 2019 - Jan 2020
automates COSbench and Ceph RGW usage on Openshift
Contributions:21 commits in 5 months
automatesopenshiftcephcosbenchrgw
jharriga/OSDfailure
Dec 2017 - Dec 2020
Contributions:244 pushes, 6 branches in 3 years 1 month
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