Bill Warner
Head Of Technology at DeMark Analytics LLC
Chandler, Arizona, United States
Summary
👤
Senior🎓
Top SchoolBill Warner is a Head of Technology and seasoned DevOps leader with 11+ years designing and operating high‑performance infrastructure for financial services and analytics firms. He built and led DevOps and operations teams, architected migrations from physical to fully virtualized VMWare environments, and automated continuous delivery pipelines using Jenkins, Chef, and other toolchains across AWS and on-prem platforms. His hands-on background spans Linux systems administration, big data clusters (Hadoop, Cassandra, DataStax), JVM/Ruby/Node application support, and encryption/policy for sensitive data. Bill contributes to open-source infrastructure tooling—improving configuration, tests, and deployability for projects like a widely used Cassandra Chef cookbook—showing attention to code quality and operability. Based in Chandler, Arizona, he combines pragmatic engineering with lean and Agile practices to deliver measurable operational improvements. He is equally comfortable diving into low-level system fixes and leading strategic technology direction for growing analytics products.
11 years of coding experience
13 years of employment as a software developer
Highschool General Studies, Highschool General Studies at Blue RidgeMesa Community College
Github Skills (5)
chef-client10
configuration-management10
chef-solo10
ruby10
devops9
Programming languages (12)
Github contributions (5)
michaelklishin/cassandra-chef-cookbook
Sep 2015 - May 2016
Chef cookbook for Apache Cassandra, DataStax Enterprise (DSE) and DataStax agent
Role in this project:
DevOps Engineer
DevOps EngineerContributions:38 commits, 3 PRs, 3 comments in 7 months
Contributions summary:Bill primarily contributed to infrastructure and configuration management aspects of the project. Their commits include fixing RuboCop errors, modifying configuration files, updating test specifications, and addressing merge conflicts. These changes suggest a focus on code quality, testing, and the overall maintainability of the Cassandra cookbook. The user also made commits related to the OpsCenter agent, indicating involvement in deployment and monitoring.
cookbookdseagentcassandraapache
DeMarkAnalytics/selenium-cucumber-ts
Mar 2021 - Jan 2023
Cucumber and Selenium tests for cucumber-js
Contributions:1 release, 3 reviews, 84 commits in 1 year 9 months
cucumber-jsselenium-teststestingbddselenium-webdriver
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