Karl Pietri
Lead Engineer at TransUnion
Grand Rapids, Michigan, United States
Summary
🤩
RockstarKarl Pietri is a Lead Engineer with 12 years of experience modernizing infrastructure and driving DevOps transformation for enterprises like TransUnion, PayPal, VMware, and Williams Sonoma. He specializes in Puppet-led automation, CI/CD pipelines, and technical debt reduction, having rebuilt disjointed environments into highly available, cost-saving systems and automated key security processes such as ssh key rotation and host-based firewall controls. Karl’s background spans SRE and systems automation at Google, SlideShare, and others, where his work cut deploy times dramatically and scaled services across multi-region clouds. Based in Grand Rapids, he combines hands-on engineering with pragmatic cost optimization—once migrating Puppet from enterprise to open source to save over $1M annually—while remaining focused on building robust, auditable infrastructure for the future.
12 years of coding experience
13 years of employment as a software developer
Github Skills (38)
vcenter9
rule8
exporter7
jq6
vagrant6
benchmark6
vmware5
puppet5
monitoring5
tomcat4
world-of-warcraft4
benchmarking4
machine-learning4
grafana4
storage4
Programming languages (8)
Github contributions (5)
mlcommons/r2-infra
Dec 2025 - Jul 2026
MLC Cloudflare R2 Dataset Distribution Infrastructure Management
Contributions:8 PRs, 18 pushes, 23 branches in 7 months
cloudflare-r2
BarnacleBob/puppet-wrenchies
Jan 2016 - Feb 2016
Contributions:31 pushes, 3 branches in 13 days
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.