Ryan Jeske Email and Phone Number

• Automated tasks using Ansible and Python to reduce time and effort required for server and application builds, deployments, releases, database installation and management, web server installation and configuration, and inventory management.• Responsible for system architecture, health, security, availability, and configuration of the organization’s homegrown ERP system running on more than 120 Linux servers, VMs, and containers spanning production, test, and development environments. • Redesigned the production web server (Nginx) configuration to mitigate the risk of DoS attacks by implementing a two-tier architecture, with a DMZ proxy server forwarding traffic to internal load balancers residing behind the network firewall. • Assisted in designing, developing, implementing, and maintaining a containerized system architecture for numerous home-grown applications, utilizing various tools and technologies (Docker, Buildah, Podman, Consul, Nomad, and Vault).

• Automated front-end application testing for the organization’s homegrown ERP system using Selenium and Python.• Worked closely with developers to design, build, and execute detailed test plans for ensuring the proper functionality of newly-developed APIs for transmitting data between legacy systems, vendor cloud solutions, and Active Directory. • Collaborated with project managers, business owners, and developers to refine and optimize system requirements and features. • Implemented a source control system using Git to maintain consistency and proper versioning of test scripts.

• Responsible for assuring data quality for an Artificial Intelligence system that extracts geographic location information from free-formatted address fields. • Analyzed large volumes of test results in order to identify problems in system algorithms and gaps in the system’s geographic reference data.• Implemented enhancements to geographic reference data to improve completeness and accuracy of system results.• Performed regression testing of system updates to validate new functionality and quantify geographic derivation accuracy. • Developed a solution to identify and resolve typographical errors in free-formatted postal codes.

• Performed post-implementation reviews for numerous global ERP rollouts and advised the implementation team on methods for improving the quality and effectiveness of the overall SDLC process.• Developed and executed data migration test plans for multiple global ERP implementations to validate the completeness and accuracy of the data transfer.• Analyzed large sets of data using statistical sampling methodologies to identify deficiencies, and communicated results to senior management. • Assessed logical and physical security controls for domestic and international sites and provided recommendations to local management on how to remediate deficiencies.

• Served as the project lead on multiple large-scale, complex IT advisory and audit engagements spanning a wide variety of industries.• Supervised staff on concurrent projects with teams ranging from three to ten resources. • Designed and enhanced control-testing methodologies using a risk-based approach in order to satisfy regulatory requirements. • Collaborated with cross-functional teams to plan, execute, and deliver quality services to clients throughout the engagement lifecycle.

• Validated the completeness and accuracy of data transferred over critical system interfaces.• Managed, coordinated, and conducted internal and external IT audits for both public and privately-held companies. • Assessed organizations’ internal controls over financial reporting related to system access, change management, software implementations, and data center operations. • Evaluated clients’ compliance with the Sarbanes-Oxley Act and recommended best-in-practice solutions.

• Assisted management in designing a standardized, consistent, and efficient help desk process for managing technical support requests submitted to the Business Intelligence (BI) team.• Authored a position paper on cloud computing for Johnson & Johnson’s BI platform. Considered the advantages and risks of public cloud infrastructure, and presented recommendations to management.• Conducted a cost-benefit analysis of adopting an open-source BI tool. Evaluated strategic supplements to the current BI platform by assessing commercial BI technology vendors.