Edward Buba - Senior DevOps Engineer / Infrastructure, Shara Inc

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Work Background

SharaSenior DevOps Engineer

Nov. 2024Nairobi County, Kenya• Deployed Apache Kafka with Strimzi operator using GitOps ArgoCD for efficient and automated deployment processes. • Implemented observability with Grafana Cloud and Datadog to monitor system performance and ensure reliability.

CredrailsHead of DevOps

Jun. 2024 - Nov. 2024Nairobi County, KenyaLed the DevOps team at Credrails, overseeing AWS EKS, data pipelines, Grafana Cloud, and Okta provisioning. Implemented Terraform for infrastructure automation and utilized ArgoCD for efficient continuous deployment. Developed serverless solutions with batch processing and step functions for streamlined workflows.

SharaSenior DevOps Consultant

Feb. 2023 - May. 2024Nairobi County, KenyaAs a Senior DevOps Consultant at Shara Inc., I manage the stability of production and non-production environments, focusing on SLA and SLO. I lead the team in monitoring and observability using GCP Operations Suite and Datadog and am responsible for creating SLIs and SLOs, enhancing cloud and application service visibility. My role involves implementing and managing HashiCorp Vault for secure secret management, including automating secrets management and enforcing access control. I also integrate HashiCorp Vault with other services for secure secret distribution. I develop reusable Terraform modules for infrastructure efficiency, engage in distributed tracing with OpenTelemetry, and manage external secrets for GCP GKE applications using Terraform and HashiCorp Vault. My work includes implementing GitOps with ArgoCD and configuring Kubernetes manifests using Kustomize and Helm. I provision and configure Confluent Kafka using IAC and maintain mobile CI/CD pipelines for iOS and Android with Fastlane, Cloud Build, and Cloud Deploy. My role at Shara Inc. emphasizes DevOps practices and cloud infrastructure management, continually enhancing system performance and security.

AndelaSenior DevOps Engineer

Jun. 2021 - Aug. 2023Outsourced to Firstup.io

FirstupDevOps/Platform Engineer

Jun. 2021 - Aug. 2023As a DevOps/Platform Engineer at firstup.io, I built integration test pipelines for teams using Circle.ci and used Backstage for maintaining technical documentation and Datadog Dashboard integrations. I utilized Snyk for continuous security monitoring and vulnerability management. I designed secure build protocols to enhance system security and integrity, and leveraged K8comp for managing Kubernetes configurations, improving consistency and reducing errors. My role included standardizing AWS middleware like Redshift, Elasticache, AmazonMQ, and Aurora DB Clusters using Terraform. I created and managed Datadog synthetic tests with Terraform to improve application reliability and optimized Datadog implementation to align with organizational needs. I designed and deployed AWS WAF configurations using Terraform to protect against web exploits and collaborated with the security team to define custom WAF rules. I used FireHydrant for incident management, promoting rapid issue resolution. I participated in a company Hackathon, demonstrating "On Demand Environments using Istio Virtual Services (Blue/Green Deployments)". I built a Developer portal using backstage.io, integrating tools like Datadog, Jira, CircleCi, and Swagger. I reduced infrastructure costs by implementing Spot instances with Terraform and a node termination handler using Helm Charts. During the acquisition of Dynamic Signal, I was part of the team that migrated data/infrastructure from Azure to AWS. I deployed and managed Amazon MWAA environments using Terraform for efficient data pipeline orchestration and applied best practices in managing infrastructure as code. I integrated Apache Airflow with AWS services for comprehensive data solutions and automated the provisioning of Amazon Redshift clusters and DynamoDB tables with Terraform. This role allowed me to demonstrate my expertise in cloud infrastructure, CI/CD, security, and cost optimization.

SEEING IS BELIEVING LIMITEDProject Manager

Feb. 2021 - Mar. 2021Port Harcourt, Rivers, NigeriaProject manager for the development of a web application and mobile app for monitoring of projects.

AjoCardSenior Site Reliability Engineer

Mar. 2020 - Mar. 2023As a Senior Site Reliability Engineer at Ajocard Ltd, I managed AWS resources like EC2, S3, RDS, and DynamoDB, ensuring high availability and fault tolerance. I administered EKS clusters using Terraform for seamless application scaling and deployment, and implemented AWS Cognito for secure user authentication. I was responsible for AWS cost optimization with nops.io and used New Relic for application performance monitoring. I streamlined MongoDB management using Studio3T and led the SRE and infrastructure team, focusing on micro-services with Serverless Framework, Lambda functions, and AWS Cognito. A key project was consolidating over 300 API Gateway resources into one using Terraform, and integrating Interswitch payment solutions with our microservices, involving VPN and Kubernetes Node Group integrations. My role involved participating in on-call rotations and incident response to minimize downtime. I extensively used New Relic for detailed monitoring, creating SLOs and SLIs, and worked closely with development teams to ensure these metrics were met. I integrated security protocols into systems, complying with industry standards, and authored technical documentation to enhance operations. I developed automated monitoring and alerting systems, improving service availability, and evaluated existing processes for architectural enhancements. I built CI/CD pipelines using BitBucket Pipelines, automated routine tasks, and analyzed server logs for troubleshooting. Implementing Linkerd in Kubernetes, I improved microservice communication security, observability, and reliability. I used Linkerd for load balancing and failure recovery, and deployed Prometheus on EKS for real-time monitoring, using Grafana for comprehensive dashboards. I configured Metabase for business data analytics, creating custom reports and dashboards for various departments. My tenure at Ajocard Ltd showcased my proficiency in cloud infrastructure, system monitoring, and process automation.

PolDevops Engineer

Mar. 2020 - Sep. 2020NigeriaDevops lead and cloud engineer for the Pollr company. Project available at pollr.azurewebsites.net . Project is built and hosted on Azure Cloud and is still under construction. All resources provisioned with Terraform(Private Project).

Plateau State Internal Revenue ServiceCloud Support Engineer

Mar. 2018 - Feb. 2020Plateau, NigeriaCloud architect for all AWS applications and deployments for the Plateau State Internal Revenue Service. Deployments include Elastic Beanstalk app using a full CI/CD pipeline including Github, Circle.ci, Terraform Cloud, Cloudwatch. All infrastructure managed by Terraform

Plateau State Information Technology Development AgencyHead, Application Development & E-Governance Unit

Mar. 2014 - Jun. 2021Governors Office , New Government House, Jos

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