Alex Caldwell Email and Phone Number

Managed the systemic reliability and performance of the company's website and online platform, leading an engineering team to implement and refine operational procedures, manage incidents, and ensure the security and scalability of systems.● Orchestrated the successful transition of on-site DNS infrastructure to Google Cloud, achieving a 60% improvement in system uptime and a 100% increase in scalability, paving the way for future growth.● Introduced LogicMonitor, enhancing virtualized infrastructure monitoring with 50% increased reliability and 80% less configuration work, and created comprehensive escalation rules and notification chains using PagerDuty and Slack.● Advanced engineering standards by conducting regular code reviews, fostering test-driven development, and continuously refining workflows, contributing to a 20% increase in team efficiency and a 35% reduction in technical debt.● Ensured 100% Payment Card Industry (PCI) compliance by implementing stringent procedures and utilizing Splunk reports to prioritize adjustments and collaborate with the Security Ops team, setting a record for the highest number of secure systems in a Business Unit.● Conducted root cause analysis (RCA) on recurring service outages, identified key issues, and implemented resolutions, reducing downtime by 50% and enhancing overall system uptime to 99.9%.● Ensured the successful and timely delivery of projects by leveraging substantial expertise in Agile/Scrum sprint planning, increasing work velocity and throughput by 50%.● Migrated legacy systems to a modern cloud infrastructure and exited the datacenter, resulting in a 50% increase in data processing speed and reducing rental costs by $1,000,000 annually

Led the transformation of operational processes, introducing containerization and automated monitoring, which reduced incident response times by 55% and increased overall software delivery reliability by 30%.● Implemented monitoring solutions and alert systems that reduced incident response times by 60%, ensuring high availability and performance of critical applications.● Delivered 24/7 support for critical production issues through active participation in on-call rotations, significantly enhancing system reliability and contributing to our goal of 99.95% uptime and meeting SLA targets.● Reduced toil and human caused errors by 120% by developing and maintaining infrastructure as code with Terraform, Jenkins, Puppet, Bash, and Ansible, optimizing infrastructure management for heightened efficiency.● Coordinated and performed production releases in collaboration with development teams and stakeholders, ensuring smooth deployments with 0% downtime.● Conducted thorough root cause analyses of production issues, reducing recurring incidents by 45% and improving system resilience with targeted SRE interventions.● Integrated Git into an inherited observability system, developing a streamlined process and conducting training sessions, which led to 0% code loss, enhanced code reviews, and minimized errors from version control issues.

As a DevOps Engineer in a NOC, I installed and configured Nagios observability tools and created a knowledge base to enhance the efficiency and effectiveness of support engineers.● Imagined and executed a bespoke Nagios live video stream observability system, meticulously overseeing the health of 1,400 video feeds across the global content delivery network, resulting in heightened operational efficiency and reliability.● Defined daily responsibilities encompassing the validation of critical services like Wowza and Varnish-based proxy cache servers, taking servers in and out of production via nodes, and optimizing load-balancing servers to support client-utilized services.● Handpicked to lead all team-based and customer-facing documentation, communicating technical information with rare clarity and precision.

Served as part of a web development team tasked with handling a large-scale website upgrade.● Engineered robust backup and sync scripts in Bash, ensuring seamless synchronization of staging environments and bolstering their reliability.● Spearheaded the installation and maintenance of third-party scripts and modules, crucial for meeting the site's functional demands, resulting in optimized performance and enhanced user experience.