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Established the following practices among team of 6 part-time sysadmins:
• System configuration is committed to a git repository and automated/orchestrated to the extent practical
• All changes are ticketed in ticketing system (Jira) for assignment and tracking
• When revisiting older configurations/architectures, refactor using lessons learned
• All documents are detailed and easy to follow for operational efficiency and team scalability
• Security is integral to a functioning system, therefore due consideration is necessaryProjects:
• Modeled font-end/app web servers using Vagrant and Ansible with Nginx, Memcached, and Apache for public cloud hosting needs
• Created a Secure Continuous Delivery system using Git and GPG encryption to ensure integrity of developer commits prior to deployment
• Provided step-by-step documentation for the Secure Continuous Delivery system to promote developer adoption
• Designed and supervised the development of MemberTime, a Tomcat/Spring-based web application for online reporting and accounting of work performed by Coop members
• Set up Foreman provisioning tool for bare metal and KVM instances integrated with our existing private cloud. Foreman integrates with Puppet to provide a central management interface for the organization
• Designed and implemented four Ganeti/KVM based private clouds to inhabit separate security domains. Ganeti allows for private clouds with no hardware SPOF• Implemented a Mariadb/Galera cluster, which provides synchronous database replication with HAProxy, to meet developer requirements
• Extensive SELinux troubleshooting experience
• Designed and supervised the building of an OpenLDAP cluster with HAProxy
• Setup and maintained Atlassian’s tools: Jira, Confluence, and Crowd. Apache reverse-proxy to allow SSL cert sharing
• Setup Nagios-based monitoring tool to provide ongoing monitoring, status, and notifications for host and service events
• Troubleshoot complex network, POS, and systems issues
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