Senior Devops Administrator
CurrentCloud Operations• Single SA responsible for 5 independent (4 HA) 10-20 instance environments• Managed undocumented inherited system in minimal change regulated environment• Maintained uptime requirement on production Ruby on Rails / MongoDB stacks• Created process to minimal change clone existing Ruby on Rails / MongoDB stack• Designed system to allow unified configuration files between app types and stacks• Managed per-environment Elasticsearch, Logstash, Kibana clusters• Maintained Nagios monitoring system for dev and production instancesData Analytics• Tools to import custom format sensor logs into OpenTSDB• Setup and Demonstrated OpenTSDB and Grafana for BioSensor Time Series Data• Custom scripts to determine number of sensor hours seen Haproxy logs in KibanaMongoDB Performance• Proved no downtime MongoDB upgrade path from 2.2.3 to 3.0.1• Conclusively proved MongoDB performance problem was due to Document Duration choice• Demonstrated 8x throughput improvement with change to 10gig network instance size• Designed process using Docker to allow running entire stack on 3 10gig network instances• No downtime replacement of production MongoDB Storage with SSD EBS