Derek E. Ogletree
,
derek.ogletree@gmail.com
831.515.8034
https://blog.trenigma.dev
trenigma
trenigma

Experienced Site Reliability Engineer with a proven track record of designing and managing production infrastructure on AWS using Terraform. Passionate about enhancing developer experience, implementing reliability best practices, and driving organizational excellence through automation and monitoring. Recently developed a production-grade multi-AZ ECS deployment demonstrating modern DevOps practices including Infrastructure as Code, container orchestration, and systematic debugging of real-world issues. Committed to continuous learning and delivering measurable business outcomes through innovative cloud solutions.

Experience

Site Reliability Engineer
November 2021
 — 
October 2022
Magnopus

Infrastructure and tooling for large-scale AR/VR cloud services.

  • Managed infrastructure for mobile/web-based AR/VR platform supporting millions of users across multiple regions.
  • Developed CI/CD pipelines and IaC automation with shell scripting and open-source tools, reducing deployment time.
  • Created development environments supporting engineering teams and improving productivity.
  • Architected infrastructure for the 'Connected Spaces' project, featured in TIME's Best Inventions of 2022.
Sr. Systems Engineer
March 2020
 — 
November 2021
Motorola Solutions
  • Led Terraform-based PagerDuty IaC project managing services for 50+ teams and standardizing incident response.
  • Developed synthetic monitoring POC to support FedRAMP certification on Azure GovCloud.
  • Created architectural documentation guiding cloud migration strategies.
  • Promoted SRE practices via incident management training and DR exercises, reducing MTTR by 25%.
Cloud Systems Developer
March 2018
 — 
November 2019
Cloudreach
  • Advised clients on cloud adoption, delivering scalable and secure multi-million dollar cloud transformation projects.
  • Led datacenter-to-cloud migrations using Terraform and CloudFormation, migrating 100+ workloads with zero downtime.
  • Developed enterprise 'Minimum Viable Cloud' using IaC for major consumer credit organization.
  • Built multi-cloud POCs for healthcare clients across AWS and Azure.
  • Implemented multi-account cloud environments supporting 50+ accounts with centralized governance.
DevOps Technician
October 2015
 — 
October 2017
HookLogic (acquired by Criteo)
  • Improved AWS production environments to meet SOX compliance by redesigning IAM permissions and logging.
  • Automated SOX processes using Python and Bash, reducing prep time by 25%.
  • Migrated monitoring from Nagios to Datadog, improving observability and reducing alert fatigue.
  • Implemented Catchpoint synthetic monitoring to identify performance bottlenecks.
Technical Support Engineer
August 2012
 — 
October 2015
Barracuda Networks
  • Diagnosed and resolved complex issues with VPN and Spam Filter appliances.
  • Provided best-practice deployment guidance for enterprise customers.
  • Maintained 95%+ customer satisfaction rating.

Projects

Production-Ready Multi-AZ ECS Deployment with Terraform
October 2025
 — 
Present

Architected and deployed a production-grade REST API on AWS ECS Fargate spanning 3 availability zones with full IaC automation.

  • Architected and deployed a production-grade REST API on AWS ECS Fargate spanning 3 availability zones using Terraform with modular design.
  • Integrated Docker image builds directly into Terraform workflow using Docker provider, eliminating manual deployment steps.
  • Debugged and resolved IAM, ECR, RDS, Docker multi-platform, and VPC DNS issues; documented solutions.
  • Implemented auto-scaling (1–10 tasks), CloudWatch dashboards/alarms, private subnets, and encrypted RDS.
  • Achieved 200–300ms API response times with full CRUD functionality and cost-optimized architecture (~$160/month).
  • GitHub: https://github.com/treehousepnw/ecs-todo-api-project
  • Blog: https://blog.trenigma.dev/prod-ecs-deploy-tf/

Education

Eastern Michigan University
Present
 — 
Present
M.Sc. (Candidate) in Information Assurance / Network Security
Eastern Michigan University
Present
 — 
Present
B.Sc. in Psychology / Criminology

Certificates

AWS Certified Solutions Architect Professional
Present
 — 
Present
AWS SysOps Administrator Associate
Present
 — 
Present
AWS Certified Developer Associate
Present
 — 
Present
GCP Associate Cloud Engineer
Present
 — 
Present

Volunteer

Community Builder
Present
 — 
Present
Rising Roots PNW
Annual Fundraising Gala Volunteer
Present
 — 
Present
Bike Works Seattle
Workshop Mentor
Present
 — 
Present
Black Girls Code Detroit

Skills

Cloud Platforms:
AWS, ECS, Fargate, Lambda, RDS, VPC, ALB, ECR, CloudWatch, Azure, GCP
Infrastructure as Code:
Terraform, CloudFormation, Ansible
Containers & Orchestration:
Docker, ECS Fargate, Kubernetes
Programming & Scripting:
Python, Bash, Shell
CI/CD & Version Control:
Git, GitHub Actions, TeamCity, Jenkins
Monitoring & Observability:
CloudWatch, Datadog, Prometheus, Grafana, Catchpoint
Databases:
PostgreSQL, MySQL, RDS
Security & Compliance:
SOX, FedRAMP, IAM, Vault
Methodologies:
SRE Principles, Incident Management, Disaster Recovery, Capacity Planning