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Darian Hollis
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Richmond, Virginia, United States
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Senior DevOps EngineerthoughtbotMay 2022 - Current (4 years 3 months)• Oversaw the setup of deployment pipelines with GitHub Actions and ArgoCD, ensuring updates flow smoothly without downtime. • Put together a global Kubernetes system tied to content delivery networks, keeping performance steady across regions. • Started systematized infrastructure checks using Terraform Cloud, lifting security and compliance efforts. • Brought in Datadog and Sentry for better system monitoring, making issue spotting and fixes faster. • Steered cross-team work to polish on-call schedules and incident reviews, building a teamwork spirit. • Used chaos engineering methods to find and fix potential system flaws before they caused trouble.- Lead Cloud EngineerA3LogicsJun 2018 - Apr 2022 (3 years 11 months)• Configured Kubernetes-based environments on AWS, optimizing deployment processes and resource management. • Set up automated provisioning across multiple regions using Terraform and Ansible, simplifying configurations for distributed teams. • Built monitoring pipelines with Prometheus, Grafana, and ELK Stack to track performance and alert on anomalies. • Designed secure multi-tenant architectures during cloud migrations, reducing risks in shared environments. • Conducted training sessions on infrastructure as code and GitOps, helping teams adopt faster deployment methods. • Supported resilient systems for high-demand periods, ensuring stability during peak usage times.
- Site Reliability EngineerLaunchPad LabJul 2016 - May 2018 (1 year 11 months)• Guided clients through safe cloud transitions on Azure and GCP, ensuring smooth and secure migrations. • Shaped infrastructure reliability using CloudFormation and Helm, reducing setup challenges for teams. • Fine-tuned CI/CD systems with Jenkins and CircleCI, improving application release consistency. • Strengthened security across services by weaving Vault and IAM into deployment plans. • Maintained data integrity with computerized backup and recovery processes for critical applications. • Fostered a security-first mindset among distributed teams, embedding robust practices into daily work.
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- NMaster of Computer ScienceNot Specified
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- NAlert Management SystemNot SpecifiedSteered a Go-based tool linked with PagerDuty to sort alerts automatically, speeding up incident handling for the team.
- NInsightful Monitoring SetupNot SpecifiedBrought to life a logging and alert system using Prometheus, Grafana, and ELK Stack, offering clearer views into system performance
- NGlobal Infrastructure PipelineNot SpecifiedTook charge of a Terraform setup spanning AWS, Azure, and GCP, making cross-platform deployments simpler for teams.
- NResource Efficiency ToolNot SpecifiedPulled together a Python script to track usage patterns and adjust cloud resources on the go, easing cost management.
- NRapid Release FrameworkNot SpecifiedShaped a solution with Jenkins, Docker, and Helm to quicken feature rollouts, supporting smoother team workflows.
- NReliable Messaging PlatformNot SpecifiedOversaw upgrades to a communication system on AWS and Kubernetes, boosting its ability to handle busy periods.