Nathaniel Felsen
Member Of Technical Staff at Microsoft AI
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolNathaniel Felsen is an experienced infrastructure and SRE engineer with over a decade of hands-on experience building and operating large-scale AI and data platforms. He has led AI infrastructure efforts at Tesla—deploying and automating clusters with tens of thousands of GPUs, Infiniband/RoCE networking and bespoke provisioning stacks—and now works on AI infrastructure and HPC at Microsoft AI. Nathaniel blends deep operational skills across bare metal, VMs, containers and cloud with strong automation chops (NetBox, MAAS, Vault, Ansible, Python) and a history of introducing Kubernetes, CI/CD and advanced monitoring into production. He’s equally comfortable designing secure egress/IAM controls and crafting custom Prometheus exporters and observability tooling to tame complex systems. A proven people leader and mentor, he has built teams and internship programs while driving cross-functional security and audit improvements. His background in math and systems security plus an Engineering Leadership certificate from Cornell underpin a practical, systems-first approach to scaling cutting‑edge AI infrastructure.
11 years of coding experience
17 years of employment as a software developer
Master Computer Science System Network Security, Master Computer Science System Network Security at EPITA: Ecole d'Ingénieurs en InformatiqueEngineering Leadership Certificate, Engineering Leadership Certificate at Cornell UniversityBachelor of Science (BS) Mathematics and Computer Science, Bachelor of Science (BS) Mathematics and Computer Science at Université Louis Pasteur (Strasbourg I)
French, English
Github Skills (34)
tox9
asciidoctor9
visualizations9
aws-cloudformation9
daemon9
elastic8
logging8
elasticsearch8
streaming8
python8
spinnaker8
ansible8
kibana8
transport7
observability7
Programming languages (6)
Github contributions (5)
nfelsen/nfelsen.github.io
Jun 2015 - Oct 2024
Contributions:6 pushes, 1 branch in 9 years 5 months
teslamotors/ansible_puller
Sep 2019 - Nov 2022
Contributions:10 reviews, 7 commits, 17 PRs in 3 years 2 months
daemonansibleautomationscaleabletox
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