Marius Ducea
Sr. Director, Site Reliability Engineering at Alkami Technology
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolMarius Ducea is a senior Site Reliability leader with 15+ years of hands-on infrastructure and SRE experience, currently leading reliability for Alkami’s AWS-based, multi-tenant digital banking platform serving 21M+ users. He specializes in reliability at scale, Kubernetes platform modernization, and evolving engineering effectiveness through SLO/SLI, incident maturity, and leadership development. His career began as a freelance Linux consultant in Romania and progressed through early SRE roles at AdMob and Episodic, founding a Bay Area DevOps consultancy (Opscale) that delivered cloud architecture for startups like Thumbtack and Trulia/Zillow. Marius combines strategic leadership with day-to-day technical work—architecture reviews, performance investigations, and post-incident systemic fixes remain his primary interests. He’s an early DevOps community organizer and an AWS Community Builder, reflecting a long-standing commitment to open practices and knowledge sharing. Notably, his open-source contributions include practical reliability tooling and build automation improvements (e.g., Nagios cookbook and Veewee VM automation) that emphasize operational clarity and repeatability.
16 years of coding experience
19 years of employment as a software developer
Bachelor's Degree, Computer Science and Mathematics, Bachelor's Degree, Computer Science and Mathematics at Lucian Blaga University of Sibiu
English, Romanian
Github Skills (17)
cookbook10
debian10
nagios10
configuration-management10
bash10
chef-client10
automation10
script10
virtualization10
chef-solo10
automations10
vagrant10
devops10
ruby8
networking8
Programming languages (9)
Github contributions (5)
sous-chefs/nagios
Feb 2014 - May 2014
Development repository for the nagios cookbook
Role in this project:
DevOps Engineer
DevOps EngineerContributions:5 commits in 2 months
Contributions summary:Marius primarily contributed to improving the nagios cookbook, focusing on environment management and configuration. They implemented features to monitor multiple chef environments and prevent duplicate entries. Furthermore, the user addressed code quality by fixing rubocop warnings and refactoring code for clarity, specifically renaming configuration attributes.
nagioschef-resourcechefmanaged-by-terraform
jedi4ever/veewee
Jun 2011 - Jul 2011
Easing the building of vagrant boxes
Role in this project:DevOps Engineer
DevOps EngineerContributions:6 commits in 2 days
Contributions summary:Marius primarily contributed to the automation and configuration of virtual machine builds within the Veewee project. Their work focused on modifying post-installation scripts for Debian-based systems, including the removal of legacy VirtualBox guest additions and the implementation of network configuration fixes. The commits also include updating the Debian image definitions, adding support for new Debian versions, and optimizing the final image size. Overall, the user's contributions streamlined the build process for Vagrant boxes.
vagrant
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