Bluehost.comSenior Systems Architect
Oct. 2008 - Apr. 2014My main responsibilities are making sure that our systems are responsive and available at all times. I also manage a team of system administrators and act as a mentor for other technicians in support and development. My main activities are: Infrastructure design and requirements, systems design, system integration, POC build outs and testing, trending resource consumption, monitoring, security, SELinux policies for secure hosts, DDoS control and mitigation, optimization (lots of this), maintaining custom patches and features, PowerDNS and Bind clusters, email services and supporting hardware, MySQL clusters, redundancy, disaster recovery, hardware and software upgrades. Project lead and lead architect on a large OpenStack deployment (~20,000 physical nodes).
Overcame scaling and other operational problems
Defined and implemented workflow for continual integration and delivery model
Performed valuable community outreach
Several commits to upstream project
Designed and assisted in implementation of integration of OpenStack and in-house systems