Site Reliability Engineer with experience in System Administration, Configuration Management, and running Internet services at scale. I enjoy building large Internet systems and ensuring they are performant and reliable. My favorite Linux command is xargs. Specialties: - Internet Services - Linux - Configuration Management - Metrics and Monitoring - Performance Tuning - Java, Python and Bash - ElasticSearch, Logstash and Kibana

Senior Site Reliability Engineer @ Working on Site Reliability for LinkedIn’s Content Engineering team in our San Francisco R&D office. Ensuring high availability and scalable performance for LinkedIn's content products. Previously did SRE for LinkedIn’s self service monitoring and remote execution infrastructure. From November 2013 to Present (2 years 2 months) Senior Open Source Engineer @ Administered thousands of servers with Puppet ranging from bare metal server provisioning to application management. Designed and built an iPhone data collection system to support comScore's Mobile Metrix product. Built with VPN, httpd, Radius, MySQL, a DPI appliance and python. Built and operated a large scale data collection and processing infrastructure that served 70,000 requests per second at peak, collecting over 50 billion measurements daily. Built with Akamai CDN, Linux Virtual Server, nginx, httpd, mod_perl, memcached and python. Built comScore’s Hadoop infrastructure as it grew from a small cluster to the data processing backbone of comScore’s product suite, storing over 3 petabytes of data and processing >15,000 jobs daily. From May 2010 to October 2013 (3 years 6 months) Systems / Software Engineer @ Developed firmware on embedded Linux platform to manage servers, storage and networking within the HP BladeSystem enclosure. Developed HP BladeSystem fan control firmware on a PIC microprocessor. http://www.zdnet.com/blog/btl/hps-new-datacenter-in-a-box/3195 From July 2008 to May 2010 (1 year 11 months)

Bachelor of Science (B.S.), Electrical Engineering @ Lawrence Technological University From 2003 to 2008 International Electrical Engineering Program @ Fachhochschule Ulm - Hochschule für Technik From 2008 to 2008 Lucas Ewalt is skilled in: Internet Services, Linux, Configuration Management, Metrics and Monitoring, Performance Tuning, ElasticSearch, Java, Python, Bash, Perl, Hadoop, Datastores