Javier Ayala Email and Phone Number

• Oversee the relationship between DPEP and AppDynamics, providing internal support for infrastructuremonitoring within the organization.• Serve as a key point of escalation for internal users and support teams, offering assistance with allAppDynamics-related issues and requisite agents.• Modernize and maintain Chef Cookbooks; responsible for installing and configuring AppDynamics agents to Disney standards across the organization.• Control all change requests related to infrastructure supporting the AppDynamics monitoring system,maintaining a 100% success rate for Pre-Production and Production changes.• Expanded Cookbook integration tests to cover 95% of possible configuration options, utilizing 8 different combinations of Windows and Linux environments in local VMs and AWS.• Maintain internal documentation on DPEP's usage of AppDynamics.Key Accomplishments:o Streamline integration procedures by creating workarounds within the Cookbooks to support multiple Chef versions (12 - 18) without separate Cookbook versions.o Developed a Python program to automate updates for the internal repository of AppDynamics Agents, reducing manual effort from 4 to 0.5 man-hours per release.o Improve release cycles by achieving 100% test coverage on Chef Cookbooks using Test Kitchen, resulting in fewer regression issues and a more dependable release process.o Created an AWS SSM Automation document integrating Chef to automate the update process for the AppDynamics Machine Agent on potentially thousands of nodes, currently tested on 20 nodes and preparing for rollout to 1,200 nodes.

• Managed Apache/PHP/MySQL/Drupal web infrastructure for the company's public-facing corporate website.• Automated systems provisioning and configuration for both cloud instances and bare-metal servers.• Coordinated monitoring, incident management/response, device optimization, and troubleshooting.• Acted as the primary point of contact for all site-related escalation issues.• Migrated the configuration management system from Puppet to Ansible and created a log and metricsaggregation system using an ELK Stack (Elasticsearch, Logstash, and Kibana).• Developed custom Ansible roles using test-driven design with Molecule and Docker to improve stability and reduce regression issues.• Created and maintained various Python-based tools, including Lambda functions, Ansible plugins, reporting tools, and automation scripts.Key Accomplishments:o Architected and implemented a solution to transition from a dedicated hosting infrastructure to a highlyavailable/global configuration using 2 globally distributed dedicated environments.o Spearheaded a migration of the website infrastructure to AWS, resulting in $1M+ cost savings andreduced infrastructure footprint.o Maintained the PCI infrastructure for the company's shopping cart and successfully migrated it toOpenShift, resulting in cost savings and reduced management efforts.o Established and managed a Jenkins automation server cluster, significantly decreasing deployment times from 4 hours to 30 minutes and enabling automated backups and rollbacks for the website.

• Provided technical leadership for major accounts, specializing in Linux systems.• Served as a key point of contact to handle escalations and urgent customer environment technical issues.• Advised customers on environment optimizations, new technologies, and future growth.• Held ownership of technical issues in collaboration with account managers and network security engineers.• Implemented and executed comprehensive maintenance strategies for data center equipment.• Streamlined operational processes by implementing automation tools and scripts to improve efficiency.• Conducted regular audits and inspections to maintain compliance with industry standards and regulations.• Collaborated with cross-functional teams to design and implement scalable solutions for clients' uniquerequirements.• Mentored and trained junior technicians, providing guidance and support in their professional development.• Resolved complex technical issues promptly, minimizing downtime and ensuring optimal system performance.• Conducted root cause analysis for critical incidents and implemented preventive measures to mitigate future occurrences.