Ryan Kosow

Experience

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  Circuit City

  Nov 2007 - Mar 2009

  Lead Firedog Technician

  I managed a service desk at a retail location. Daily tasks included, answering technical questions and provide troubleshooting for a myriad of issues over the phone, at the home, and in the store, scheduling in home services and such as repairs or installations, training and providing assistance to junior technicians, general hardware and software installations and configurations, and sales.

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  Timberland

  Mar 2009 - Jan 2013

  IT Technical Support

  Provided hardware and software support for internal and field employees. Purchasing, configuration, deployment, troubleshooting, end of life. Managed print servers and created detailed documentation for software package installations.

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  WhippleHill, Inc.

  Jan 2013 - Mar 2014

  Desktop Support Specialist

  Managed the desktop environment for 100 users, both Mac and Windows OS. Provided daily support via Spiceworks ticketing. Guided the business by creating new policies and procedures that were previously not in place or well-defined. (BYOD, Acceptable Use, Onboarding, EOL, etc)Extensive use of Active Directory and Google Super Admin to provide user access, sharing, and group permissions.

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  Dyn

  Mar 2014 - Oct 2019

  Provided systems, tools, and knowledge to increase the ease, reliability, and safety of releases at Dyn. Worked closely with engineering teams to come up with standard processes that met their needs and also adhered to new policies and best practices. Helped reduce the rate of incidents caused by releases to an all-time low. Provided support for related tools and services such as Jenkins, Artifactory, and GitHub Enterprise. Collected metrics and provided detailed analysis for every engineering team, grading their performance and providing insight and corrective actions to improve their score. Show less Monitored the day-to-day operation of a large production fleet, both physical and virtual, comprising the major services offered by the company.Heavy use of CLI when managing/investigating production servers (ubuntu, freeBSD).Detailed knowledge of the back-end systems governing DNS and Email platforms.Performed DDOS mitigation by utilizing various network connections, traffic announcements, firewall rules, IP filters, blackhole-ing traffic, etc.Responded to alerts based on environment performance; hardware states, network, processes, errors, etc.Designed and implemented new internal and external status pages.Managed the Incident Response process in which impacting issues were identified, investigated, documented, and resolved. Including cross-team collaboration and postmortem process.Maintained extensive documentation on tools and processes Show less

  • Systems Engineer

    Feb 2018 - Oct 2019

  • Release Engineer

    Oct 2015 - Feb 2018

  • NOC Administrator

    Mar 2014 - Oct 2015
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  Liberty Mutual Insurance

  Oct 2019 - now

  Specializing in modernizing legacy applications and migrating workloads to containers. SME for all things related to containers, pipelines, and automation. Working with the Runtimes Unix team to support BPM and kubernetes environments. Primarily focused on managing container technology and providing a modern platform for legacy services. A healthy amount of pipelines and automation, scripting, troubleshooting, migrating customers to containers, documentation, training and process improvement.

  • Principal Infrastructure Engineer

    May 2022 - now

  • Senior Infrastructure Engineer

    Oct 2019 - May 2022