Technical Skills

Professional Experience

• Responsible for the day-to-day operations of all Jobcase properties, including over 600 EC2 instances, 150 RDS instances, hundreds of domains.
• Lead Cloud Engineer for migration from physical hosted environment to AWS for a company we acquired.
• Developed automation for monitoring, deployments, and more.
• Leader of a team of 4 Senior Cloud engineers, providing mentorship, training, and guidance as needed.
• Migrated infrastructure from Amazon Linux 1 to Amazon Linux 2; optimized ansible playbooks to be more efficient, easily updated, and reliable.
• Architected CMS system, leveraging WordPress deployed to S3/CloudFront, eliminating the risk of exposing WordPress to the internet.
• Migrated MySQL 5.6/5.7 baremetal to MySQL 8 RDS.
• Collaborated closely with managers and lead engineers providing guidance and leveraging my cloud expertise to ensure their products/microservices launched successfully, were monitored properly, and had the capacity to scale as needed.
• More to come...

• Responsible for the launch, management, and deployment of new microservice-based architecture.
• Codeveloped Java-based deployment applications for artifact deployment to development, QA, and production environments.
• Provided customer support with fixes for client scan data in Oracle. This includes reverting incorrect flaw mitigations due to end-user error, data correction due to software bugs, and more.
• Developed deployment workflows in ActiveBatch utilizing Java, bash, Python, and PowerShell.
• Modernized legacy platform monitoring applications from Windows command prompt to Java, increasing the speed of monitoring by a factor of 20 to 30.

• Responsible for:
  • Three legacy product "Trackvia Classic" environments, two in AWS, one in a local datacenter.
  • Launch and maintenance of the new Trackvia product across five environments, one production, four pre-production.
• Responsible for three legacy product "Trackvia Classic" environments, two in AWS, one in a local datacenter; launch and maintenance of the new Trackvia product across five environments, one production, four pre-production.
• Lead migration from physical to HIPAA compliant private cloud AWS environment for "Trackvia Classic" for our largest healthcare customer.
• Implemented and maintained puppet configuration management across two divergent service offerings (legacy and current generation) spanning several environments in the AWS cloud.
• Developed AWS Cloud Init scripts to automate deployment of new AWS instances for various server types.
• Created internal tools for customer account management leveraging multi-factor authentication (Duo Security).
• Managed and maintained ongoing changes to configuration in Puppet.
• Acted as interim DBA for nine months; notable projects include: database split/migration, MySQL clustering (Percona Cluster).
• Worked closely with the new DBA to develop automation, scaling and configuration management for MySQL Cluster, as well as standard master/slave MySQL segments.
• Developed custom monitoring for Zabbix and Icinga, managed via Puppet, for both "Trackvia Classic" and current generation environments.

• Administered large scale server environments consisting of over 800 RHEL5/6 VMWare VMs running multiple technologies including apache, jboss, memcache, MySQL, postfix, ActiveMQ, python.
• Packaged Rue code in RPM format and developed automation scripting in Bash and Perl.
• Designed and implemented Puppet to configure, install, manage, and deploy releases across all environments.
• Managed and maintained ongoing changes to configuration in Puppet.
• Performed deployments to QA and performance environments.
• Provided timely support as needed to staging and production releases.
• Configured, performed troubleshooting and tuning for all layers of the stack.
• Created and implemented custom Nagios monitoring and managed with Puppet.
• Developed production web and application service monitoring dashboards leveraging PHP (AJAX, jQuery, Bootstrap), helping to identify bottlenecks and improve reliability.
• Developed release engineer dashboards to monitor release versions across the various environments.
• Administered Yum and subversion repositories.
• Recipient of multiple "Reward and Recognition" awards for creating quick and elegant solutions during emergency situations.

• Responsible for providing 99.999% availability in an environment of high throughput sales with concurrent requests per second in the thousands.
• Provided systems administration, monitoring, maintenance, deployments, troubleshooting and automation services.
• Linux Systems Administration, virtual server maintenance, troubleshooting and creation.
• Primary Linux engineer in the cut-over from bare metal infrastructure to PCI-compliant virtual environment.
• Analysed multiple configuration management tools (chef, puppet, cfengine) and became sole implementer for puppet.
• Re-engineered the release process from manual, proprietary system which delivered compressed archives to an industry standard continuous integration product (Bamboo) delivering RPMs.
• Provided timely and thorough responses for off-hours problems during on-call shifts.
• Acted as Tier 2 escalation point for other on-call engineers and the IT Help Desk.
• Key Linux Engineer for Warehouse Management System overhaul, traveling to Kentucky to provision the new systems and provided on-site support during integration and cut-over.
• Supported and improved custom imaging system and associated server farms.

Education