# Kevin Sumner 919-627-1799 ## Work Experience ### [Apple Inc.](http://apple.com/) – Cupertino, CA #### Senior Site Reliability Engineer, January, 2018 - Present - Defined and coordinated projects across multiple teams to improve reliablity of the hosting platform - Led the design and implementation of an operating system image build pipeline - Transitioned time keeping to Apple-wide service - Designed and implemented standards compliance validation framework - Implemented base Kubernetes infrastructure configuration - Provided technical guidance to peer engineers, including within other business organizations #### Telemetry Reliability Engineering Manager, November, 2016 - January, 2018 - Led a team of reliability and software engineers building a telemetry and analytics platform - Defined the reliability and scalability roadmap for the platform - Performed utilization assessments and developed tooling for capacity projections and planning - Engaged with teams to better understand their needs and to guide the development of the platform - Managed a multi-team on-call and support rotation #### Operations Engineering Manager, November, 2015 - November, 2016 - Led a team of operations engineers supporting large-scale, customer-facing environments - Provided guidance for other engineering teams to help them deploy and maintain their applications - Communicated with users of various, internal platform-as-a-service offerings to fulfill their needs - Continued small amounts of engineering work, including participating in on-call rotations #### Operations Engineer, January 2013 - November, 2015 - Administer internal services supporting large-scale environments - Design, deploy, and administer identity management services - Engineer configuration management solutions for OS and application configuration - Administer continuous integration, source control, and build artifact repository systems - Administer deployment systems for Linux installs - Administer storage systems for virtualization, application, and end-user needs - Deploy and maintain collaboration services, including wiki and chat services - Handle 24x7 on-call responsibilities #### Runtime Systems Engineer, May 2011 - January 2013 - Deployed and administered a large-scale Java application serving millions of customers - Deployed and maintained multiple large-scale virtualization environments - Architected, deployed, and administered core infrastructure, including DNS and LDAP - Engineered configuration management solutions for OS and application configuration - Administered deployment platform for Enterprise Linux and ESXi OS installs - Maintained storage systems supporting production virtualization and application services - Supported continuous integration and source control systems - Managed technical lab compute, storage, and virtualization resources - Handled 24x7 on-call responsibilities ### [UNC Information Technology Services](http://its.unc.edu/) – Chapel Hill, NC #### Systems Analyst / Storage Administrator, July 2008 - May 2011 - Administered campus-wide storage and backup services for 150,000 end-users - Provided backup services for 900 mixed OS systems totaling 1.2 petabytes of data - Administered network attached storage service - Administered distributed file system service - Administered UNIX, Linux, and Windows systems hosting storage and network services - Analyzed growth trends and plan capacity increases - Monitored system performance to ensure customer needs were met - Installed and administered UNIX and Linux systems for use by other systems administrators - Provided end-user support for storage services - Designed, developed, and deployed service and system monitoring - Administered virtualization services hosting 10 virtual servers - Handled 24x7 on-call responsibilities ### [UNC Physics and Astronomy](http://www.physics.unc.edu/) – Chapel Hill, NC #### Assistant Administrator, September 2005 - July 2008 - Administered UNIX and Linux environment comprised of 50 servers and 50 desktops - Provided troubleshooting and general support for users and labs - Planned and executed platform migrations for various network services (HTTP, DNS, DHCP, etc.) - Designed and implemented automated network OS install system - Maintained network printers ### [UNC ITS/ResNET](http://its.unc.edu/Support/resnet/) – Chapel Hill, NC #### Residential Computing Consultant, November 2004 - May 2006 - Assisted students in network setup and general computer issues, such as email client setup - Provided user support specially for Linux systems - Performed malware and virus detection and removal - Prepared and presented technology-centric information and entertainment events - Assisted other consultants with organizing and running their events ### [UNC IT Response Center Walk-in](http://its.unc.edu/Support/itsresponsecenter/walk-ingroup/) – Chapel Hill, NC #### Walk-in Student Technician, July 2005 - November 2005 - Assisted students in network setup - Troubleshot operating system and application issues - Provided backup services, particularly for computers with severely crippled or unbootable operating systems - Provided initial hardware diagnosis ### [UNC-Greensboro Student Affairs](http://www.uncg.edu/saf/) – Greensboro, NC #### Assistant to the Division Web and Technology Coordinator, May 2005 - July 2005 - Developed web-based database interface using object-oriented PHP and Microsoft ODBC - Designed and maintained Microsoft Access databases - Assisted other staff members in tailoring web applications to suit their needs ## Technologies and Skills ### Operating Systems Administration - Linux: Red Hat Enterprise and derivatives, Fedora, Debian, Ubuntu - MacOS X - Solaris - VMware ESXi - Windows Server ### Service Administration - backup: rdiff-backup, IBM TSM, BackupPC - caching: NGINX, Varnish - configuration management: Puppet - containerization: Docker - directory: LDAP (389 Directory Server), Microsoft Active Directory - database: Hbase - document management: Confluence, MediaWiki - load balancer: NGINX, LVS via Keepalived, HAProxy - logging: Splunk, syslog-ng - mail: Cyrus IMAP, Postfix - network: ISC dhcpd, ISC Bind, Infoblox, PowerDNS, dnsmasq, Quagga - network OS installation: Kickstart, Debian Preseed, Solaris Jumpstart - remote access: OpenSSH, OpenVPN - monitoring: Prometheus, Grafana, Graphite, Nagios - service registry: Zookeeper, etcd with SkyDNS, Consul - source control: Git, GitHub Enterprise, Subversion - storage: HDFS, NetApp OnTap, OpenAFS, Windows CIFS/Samba, NFSv3 - virtualization: VMware vSphere, KVM with libvirt - web server: NGINX, Apache HTTP server ### Computer Languages - scripting: Ruby, Python, Bourne shell and Bash - data query: SQLite - data analysis: R ## Volunteer Experience ### [Skynet Robotic Telescope Network](http://skynet.unc.edu/) – Chapel Hill, NC #### IT Consultant and Systems Engineer, July 2008 - May 2011 - Administered Linux servers supporting the automation of worldwide network astronomical observatory systems - Deployed and administered iSCSI storage array - Provided IT consultation and training to the network developers and researchers ### [UNC Intervarsity](http://unciv.org/) – Chapel Hill, NC #### Live Sound Engineer, August 2006 - December 2007 - Operated sound mixing equipment for live events - Performed setup and breakdown of sound reinforcement system - Maintained audio equipment ### [Hidden Voices](http://hiddenvoices.org/) – Chapel Hill, NC #### Website Administrator, Fall 2006 - Fall 2008 - Maintained hosting account - Administered login and email accounts - Provided technical support for staff - Provided routine updates to website content - Assisted in migration between hosting services - Aided in website design ## Education ### SANS Security Training: SECURITY 506, Securing Linux/UNIX #### November 2010 ### University of North Carolina at Chapel Hill #### August 2003 - May 2007 ### University of North Carolina at Greensboro #### June 2005 - July 2005 ### Rockingham Community College #### September 2002 - May 2003