Ryan Schaefer Email & Phone Number

Monett, Missouri, Us

Chicago, Illinois, Us

• DevOps team owner of Self-Clearing initiative. o Responsible for directing and coordinating the efforts of 2-3 DevOps engineers. o Coordinated execution and planning of multiple simultaneous workflows while also working as a hands-on contributor. o Worked closely with both Executive and Senior Management business owners and engineering todetermine requirements and agree on implementation details. o Advocated for best practices and worked to ensure that the infrastructure was well documented and supportable long-term. o Coordinated dozens of large-scale changes to clearing platform infrastructure while development of the service was ongoing with minimal interruptions in order to improve overall fault tolerance and security prior to launch. o Worked extensively with vendors to implement and troubleshoot connectivity. o Did much of the groundwork on designing and building initial MVP implementations for golden AMIs, VPN and Direct Connect connectivity, SFTP Services, cross-account S3 buckets, and Active Directory Okta synchronization.• Acted as technical and project lead on numerous initiatives including database configuration standardization,logging platform improvements, terraform module design and rollout, and tagging standardization.• Helped manage and direct the efforts of consultants for several projects such as Dataiku analytics serviceimplementation, clearing code compilation and testing, and clearing database loadtesting.• Managed two direct reports and directed the efforts of several others on projects I was leading.• Worked as a sounding board and advocate for management within my team.• Acted as an advocate for our DevOps team initiatives across the Engineering organization.

Washington, D.C., Us

• Restructured existing Terraform repositories and re-factored code and tooling, moving the organization towards present day Terraform standards and best practices.• Updated a majority of the organization’s Terraform code to use the at the time current release (0.14) of Terraform.• Reduced the time required to deploy Infrastructure as Code changes from hours to minutes through coderefactoring and separating resource states.• Pushed forward the initiative to use Atlantis as deployment automation for Terraform Infrastructure as Code.• Created and migrated to reusable standalone Terraform modules for S3, RDS and Elasticache RedisInfrastructure.

Chicago, Il, Us

• Responsible for leading in the design and implementation of deploying software to AWS cloud infrastructures using Jenkins and Terraform.• Acted as a technical lead, working with application engineering teams, to help deploy their applications to AWS Cloud infrastructure using S3, CloudFront, EC2, ECS, Terraform, and Jenkins.• Led efforts in improving the performance, deployment automation, and resiliency of the Alex Benefits Counselor platform.• Helped train and mentor junior Site Reliability Engineers.• Acted as an advocate for numerous Site Reliability Engineering group initiatives throughout the greaterEngineering department.

Chicago, Il, Us

• Project Lead for successful migration from Puppet to Ansible for configuration management.• Project Lead for successful migration from CentOS 6 to CentOS 7.• Migrated external nameservice from Dyn to AWS Route 53 to streamline management and align with futureorganizational standards.• Re-architected and greatly improved reliability of internal DNS services.• Undertook numerous successful cleanup projects to eliminate technical debt from existing configurationmanagement and managed services.• Took an ownership role when working with managed services provider to maintain F5 load balancers and Cisco ASA configurations.

• Contract position to plan and implement automation responsible for (successfully) bringing a new Datacenter site online.• Utilized Dell Open Manage Essentials for bare-metal hardware configuration.• Created Automated Kickstart procedure for building machines new Linux servers.• Set up Salt, git and Spacewalk for Automation, Configuration Management, and Package Management.• Set Configuration Management and Automation standards which would be used by the Infrastructure department forall datacenter sites moving forward.

Chicago, Il, Us

• Created a general-purpose framework for automation of commonly modified IT Infrastructure service configurations based on git for version management and Salt for configuration management.• Played an integral role in migrating from an outdated cfengine-based CM system to Salt for the deployment of all in- house developed software to Linux platforms.• Updated and streamlined the existing CentOS kickstart to take advantage of our new salt-based configuration management system while simultaneously standardizing the configuration of numerous base-OS items across the entire Linux platform for new and already deployed builds alike.• Led several standardization initiatives, including host naming standards, in-house software versioning and packaging standards, and configuration standards for both proprietary and standard infrastructure services.

Amsterdam, Noord Holland, Nl

• Monitored and immediately responded to production issues in order to insure trading platform stability.• Coordinate frequent (nightly) software deployments between Traders, Developers, and Production Operations staff.• Participate in ongoing QA processes and assist in preparing QA environments for continuous User Acceptancetesting.• Provide feedback and guidance to development teams regarding the automated tools used for agile deploymentprocesses.• Document and automate frequent, complex tasks to insure consistent, auditable, repeatable results.

San Francisco, California, Us

• Re-implemented Collocation Network Infrastructure (Layer 1 / 2) on new hardware with minimal downtime. Improving overall network bandwidth by 10x end-to-end in the process.• Improved reliability and retention of server backups tenfold. Reduced overall time-to-backup from a maximum of several days to a maximum of several hours.• Designed a forward looking strategy for overall IT Infrastructure including Server hardware and software, network topology and storage infrastructure.

San Jose, Ca, Us

• Designed and Implemented Production-quality Red Hat Enterprise Linux based MySQL Platform including Automated installation and Development, Staging and Production environments for change control within the OS Platform.• Guided software development process from software engineering to Production deployment for both major and minor software deployments.• Designated future server hardware standards for Production Operations within the Business Unit.• Participated in determining quarterly budget needs for server hardware, software and storage.• Supported 1500+ server infrastructure running over 30 custom services across multiple geographically diversecollocation facilities.• Participated in on-call rotation with other Administrators (2 weeks on, 6 weeks off).• First and Second level responder to production issues. Also responsible for escalating to and coordinating responsesfrom Operations Engineers and Software Development groups.• Responsible for final Production software deployments and final monitoring implementation.

Las Vegas, Nv, Us

• Responsible for design, implementation, maintenance and support of over 300 virtual and physical servers and the associated network infrastructure in 16 offices across 8 countries world-wide.• Reduced overall operating expenses and increased server utilization by implementing VMware Virtual Infrastructure , virtualizing both under-utilized and critical infrastructure servers in the process.• Improved overall manageability and stability of Chicago Campus network by re-designing and re-implementing entire network infrastructure end-to-end.• Increased Chicago Datacenter Capacity by over 300% by planning and carrying out a phased overhaul of Power Infrastructure and Rack facilities.• Designed and maintained automated install kickstart and post-install scripting for both CentOS-based servers and Fedora-based workstations.• Introduced system and network resource monitoring by designing and implementing Nagios and Cacti monitoring servers.• Instituted integrated change-management on a number of critical infrastructure services by using CVS and SVN hook scripts to manage things such as DNS, DHCP, Web content, and Network Monitoring configuration.• Centralized Linux server and workstation authentication against existing Active Directory infrastructure.

• Improved overall stability of customer-facing web portal by undertaking project to update all hardware including a full end-to-end and OS refresh.• Implemented and maintained customer-facing web-caching cluster to reduce overall Internet bandwidth utilization, saving the company thousands of dollars per month.• Maintained DNS infrastructure serving nameservice for tens of thousands of customer domains.

• Learned fundamentals of System administration, IT/Production Architecture and Design and Server/Network Security.

* Monitored systems for abuse by users* Interacted with users to remedy and eliminate abuse.