Dennis Hempler Email & Phone Number

Coweta, Oklahoma, United States

We configure hardware, so you don't have to.

Broken Arrow, Oklahoma, United States

Maintained and managed all AWS resources, following AWS best practices and white papers, including RDS, EC2, S3, and VPC, ensuring optimal performance, resource utilization, and cost optimization.Upgraded and maintained mission-critical Linux servers, applying the latest security patches to ensure regulatory compliance and robust security.Optimized system configurations for peak performance, ensuring seamless operation and minimal downtime.Expertly troubleshot and resolved server issues, guaranteeing high nines uptime and reliability.Architected and deployed a HAProxy load balancing system for LAMP application servers, enabling zero-downtime upgrades and dynamic server scaling during peak load times.Implemented an Ansible system, transitioning Micahtek to an Infrastructure as Code (IaC) model streamlining deployments and updates with Playbooks, and enhancing efficiency.Established a Git-based version control system for IaC, ensuring reliable, versioned hardware configuration backups.Assisted developers in troubleshooting and migrating legacy LAMP code to the latest versions, ensuring compatibility and performance improvements.Played a key role in IT infrastructure design and network upgrades, ensuring seamless transitions with minimal downtime.Assisted in the installation and maintenance of VMware ESXi infrastructure, enhancing virtualization capabilities.Migrated from VMware to Proxmox saving thousands of dollars in licensing fees.Developed and delivered monthly security training materials, enhancing staff awareness and adherence to best practices.

Tulsa, Ok

Designed and implemented an on-demand testing system used by the QA department which used AWS Cloud Formation to launch an entire tech stack for testing. This stack included ELB, with multiple EC2 instances in different availability zones, with Mysql and Postgres RDS instances into its own unique VPC and subnets with unique branch-specific Route53 DNS. This system also used S3 and IAM. This system greatly improved the QA department’s turnaround time by allowing them to test any git branch when needed.Installed, maintained, and monitored the Nagios alert system, ensuring proactive issue detection and system reliability.Developed comprehensive documentation for the QA testing system, enhancing knowledge transfer and process consistency.Migrated production Linux servers to Google Cloud Platform (GCP), enabling faster provisioning, enhanced scalability, and improved resource management. Successfully migrated MySQL and PostgreSQL production databases to GCP with zero data loss, ensuring data integrity and seamless transition.Designed a test environment using Kubernetes and Docker clusters, eliminating the need for AWS and reducing QA testing costs.

Afghanistan OEF June 2011 - June 2012Established a report tracking system for five Collection Teams, ensuring the collection and timely dissemination of over 800 Intelligence Information Reports, resulting in the awarding of the Army Commendation Medal. Ensured teams met all reporting standards and collected intelligence in accordance with all Department of Defense and Department of the Army regulations, resulting in zero violations.Iraq OIF November 2008 - November 2009Collected timely, actionable intelligence from human assets, ensuring Commanders in the area of operation had reliable information from which to plan.Presented intelligence briefs to Company Commanders and area level Commanding Officers, facilitating realtime dissemination of actionable intelligence. Wrote, edited and published numerous Intelligence Information Reports in accordance with Department of Defense and Department of the Army regulations, resulting in the awarding of the Army Commendation Medal.Additional Duties:Managed Bravo Company arms room, ensuring the proper storage, tracking and maintenance of multiple weapons systems in accordance with Department of the Army regulations, resulting in zero violations.Managed Bravo Company orderly room, resulting is efficient collection, storage and dissemination of training records and schedules.Coordinated all Bravo Company Information Technology issues with Battalion S6, ensuring a timely resolution.

Installed, configured, and administrated corporate email, web, and file servers, achieving 99% service availability and ensuring seamless business operations.Designed and implemented an automated in-house QS9000 document and version control system using LAMP (Linux, Apache, MySQL, PHP) technologies, achieving 100% compliance with national QS9000 inspections and reducing processing time from days to hours.Engineered, installed, and maintained corporate networks, guaranteeing reliable access and maintaining a 99% uptime, thereby enhancing operational efficiency.

Bachelor Of Arts (Ba)

Associate Of Arts And Sciences (Aas), Intelligence Operations

Associate Of Arts (Aa)