15+ years experience designing and managing UNIX/Linux infrastructure, networking, and security. Currently focused on large system build and management automation with chef and private clouds Specialties: Infrastructure design, Operations Engineering

SRE @ From March 2015 to Present (10 months) San Francisco Bay AreaCloud Architect @ Architect, and implemented automation infrastructure for Korea Telcoms Public and Private clouds comprised of over 20,000 servers. * Refactored Large chef infrastructure supporting UCloud (public cloud on cloudstack) * Designed & Implemented CI Pipeline for Chef * Brought BDD/TDD principles into the chef development process * Designed & Implemented Chef Best practice and training inside KT * Worked with other Architects to design KT's next generate cloud infrastructure on Openstack * Core contributor to Chef-Openstack project * Designed & Developed many of the core components and automation used to deliver openstack to the datacenter. * Debug systems performance problems From March 2012 to April 2014 (2 years 2 months) Systems Architect @ Design Implement and Maintain systems architecture. Responsible for all aspects productions sites. * Architected and implemented development and release strategy for operations Infrastructure code. * Primary advocate for data driven operations. * Designed and implemented virtualization strategy and automation. * Implemented internal Modules for chef to abstract common patterns in recipes for reuse by coworkers * Architected and built private cloud on XenServer, ISCSi, and custom tools interfacing with Xen Api. * Multiple full production site migrations from MSP to Colos with 0 downtime. * Designed and executed migration from physical to full virtual infrastructure. * Grew company from 3million-35million users. * System scaled from 1mil - 10million emails / day over 5 years with minimal hardware. * Performance tuning of postfix MTA. * Mentor and support coworkers with ruby, perl and other programming concepts. * Architect, Implement, and drive full stack automation with Chef. * Build automation via PXE, and cobbler. * Build/Patch and test production kernels for our systems. * Designed/Implemented linux based iSCSI Target with HA. * Designed/Implemented linux HA based ipvs load balancer that handles many thousands of connections / second. * Designed and implemented apache based caching reverse proxy to provide layer7 routing and rewriting capabilities to the site. * Designed and implemented bacula based backup and recovery solution with a disk based backing store. * Complete re-architecting of the site to handle load requirements and to scale for future expansion. * Assist in design of Network topology for private cloud buildout. * Technical Evaluation of new products/opensource From May 2001 to April 2012 (11 years) Systems Architect - R&D @ * Built and implemented Secure Linux Distribution to run all of XUMA infrastructure * Ported System Imager to Solaris Platform * Developed and implemented User management automation system using Perl, SSH public keys, Rdist, and SUDO to manage all Unix machines in 3 data centers. (700 machines). * Designed NAS/RAS architecture using EMC Clarion and Sun T3 Class Storage units. Developed Business opportunity strategy and rollout for this new product. * Performance tuning for Sendmail, Apache, Linux Kernel (Filesystem and TCP/IP), Solaris TCP/IP * Built a SSL accelerated Apache Proxy cluster for Weblogic Application server using Rainbow Crypto Swift SSL Accelerator * Created and lead security team at XUMA * Designed and implemented XUMA's first generation Managed Services offering. Built infrastructure and setup the services offering working directly under the CTO. Setup all networking infrastructure and systems services to provide firewall, load balancing, monitoring, backup From 1998 to 2001 (3 years) Unix Systems Administrator @ Responsible for Maintenance of servers running FreeBSD, Linux, and WIndows. * Wrote Perl automation programs to manage virtual domains with Bind, Sendmail, and Apache. * maintained existing infrastructure for monitoring and backups * 24/7 oncall escalation From 1997 to 1998 (1 year)

CS @ Southern Oregon University From 1995 to 1997 Jesse Nelson is skilled in: Solaris, Unix, Linux, Chef, Puppet, Ruby, Perl, Postfix, DRBD, iSCSI, EMC, Oracle, MySQL, CouchDB, Solr