
Dan Popescu
Verified Expert in Engineering
Networking Developer
Bucharest, Romania
Toptal member since December 14, 2020
Dan is a site reliability engineer with experience in large-scale distributed systems focused on automation and systems architecture. He was involved in all aspects of projects, including architecture design, configuration, monitoring, troubleshooting, and features development. He has experience with container and VM ecosystems in both on-premise and public cloud infrastructures. Dan is also experienced with hybrid infrastructures with both Windows and Linux-based environments.
Portfolio
Experience
- Linux - 7 years
- Networking - 7 years
- Ansible - 5 years
- Amazon Web Services (AWS) - 5 years
- Python - 5 years
- Terraform - 5 years
- Puppet - 4 years
- Kubernetes - 4 years
Availability
Preferred Environment
Amazon Web Services (AWS), SQL, Terraform, NoSQL, Networking, Go, Spinnaker, Kubernetes, Python, Linux
The most amazing...
...infrastructure I've managed had thousands of instances. I was also the first to adopt Spinnaker at Adobe, managing 20 teams and 100 Kubernetes clusters.
Work Experience
Site Reliability Engineer
Adobe
- Transitioned a large-scale infrastructure (10,000 instances) to immutable deployments.
- Created tooling to manage a large number of Kubernetes clusters.
- Managed more than 100 Kubernetes clusters for more than 20 teams.
- Spoke at multiple international conferences regarding the progress we've made adopting Spinnaker within Adobe.
- Open-sourced multiple tools that were used to manage Kubernetes clusters.
- Maintained, optimized, configured, and monitored a very large infrastructure that spanned multiple geographical regions.
DevOps Engineer
Orange
- Built an Openshift ecosystem used by internal teams.
- Created the monitoring solution based on Sensu and created all the necessary alerting.
- Migrated to an IaaC approach in which the infrastructure is deployed automatically.
Linux Systems Administrator
Ubisoft
- Traveled to Sweden to support the creation of the infrastructure for The Division game.
- Maintained the games that were managed by the online operations team.
- Contributed to the configuration management platform based on Chef, and enhanced the monitoring infrastructure based on Zabbix.
- Responded to day-to-day tickets on a large variety of technologies.
- Supported all of the Linux-based infrastructure parts of the online operations team.
Microsoft Systems Administrator
Ubisoft
- Dispatched to France to build the infrastructure needed for The Crew game. Traveled all over the world to present The Crew to multiple international gaming conferences.
- Supported all the Windows-based infrastructure part of the online operations team.
- Responded to all of the day-to-day tickets for a large number of games and technologies.
Experience
Migrating a Large Scale Infrastructure to Immutable Deployments Using Spinnaker
Managing Hundreds of Kubernetes Clusters Using Kompos, an Open-source Project
https://github.com/adobe/komposEducation
Master's Degree in Computer Science
Academia de Studii Economice din București - Bucharest, Romania
Bachelor's Degree in Computer Science
Universitatea Transilvania din Brașov - Brasov, Romania
Romanian Baccalaureate in Informatics and Applied Mathematics
"Grigore Moisil" National College of Informatics - Brasov, Romania
Certifications
LPIC-1 Certified Linux Administrator
Linux Professional Institute
CompTIA Linux+ (Powered by LPI)
CompTIA
Red Hat Certified System Administrator
Red Hat
Cisco Certified Network Associate 640-802
Cisco
Skills
Tools
Puppet, Ansible, Terraform, Packer, Helm, Helmfile, Chef, VMware, SaltStack, Zabbix
Platforms
Linux, Spinnaker, Docker, Kubernetes, Windows Server, Amazon Web Services (AWS), OpenShift, Azure
Languages
Python, Go, SQL
Frameworks
Windows PowerShell
Storage
NoSQL, Cassandra, Azure Active Directory
Industry Expertise
Cybersecurity
Other
Networking, Programming, Computer Science, Prometheus
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