Stefan Lasiewski
Computer Systems Engineer IV at Berkeley Lab
Berkeley, California, United States
Summary
👤
Senior🎓
Top SchoolStefan Lasiewski is a seasoned computer systems engineer with 12+ years designing and running production infrastructure for research and enterprise environments, currently leading the Spin container platform at NERSC/LBNL. He architects Kubernetes- and Rancher-based solutions that enable scientists and ML practitioners to deploy containerized services reliably, and has authored over 200 pages of internal documentation and training to operationalize those choices. Comfortable across Unix variants (Linux, FreeBSD, Solaris) and services from Apache to MySQL and Docker, he has a long track record of improving uptime, automation, and performance in 24x7 operations. Based in Berkeley, he blends deep systems-level knowledge with a knack for translating complex infrastructure decisions into clear guides and hands-on user training—helping teams adopt cloud-native tooling without losing sight of high-availability requirements.
13 years of coding experience
25 years of employment as a software developer
Bachelor of Arts - BA, Environmental Studies, Bachelor of Arts - BA, Environmental Studies at UC Santa CruzCertificate, Computer Information Systems, Certificate, Computer Information Systems at UC Berkeley ExtensionUniversity of California Santa Cruz
Stackoverflow
17,903reputation
943kreached
18answers
7questions
tar
top-5%
shell
top-5%
bash
top-1%
Github Skills (165)
container-management10
devsecops10
vulnerability-scanners10
testing10
bash10
rancher10
menubar10
docker-desktop10
security10
scheduling10
junit10
vulnerability-detection10
orchestration10
k8s10
javascript10
Programming languages (17)
Github contributions (5)
stefanlasiewski/foreman
Aug 2020 - May 2025
an application that automates the lifecycle of servers
Contributions:41 pushes, 6 branches in 4 years 9 months
automatesautomationlifecycle
stefanlasiewski/theforeman.org
Jan 2015 - Mar 2019
The new and improved Foreman website.
Contributions:4 pushes, 2 branches in 4 years 2 months
foremanimproved
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