OLUWADARE TOBI JAYEOLA

Junior DevOps Engineer | AWS Cloud Infrastructure | CI/CD & Automation | Observability
Remote, NG.

About

Highly skilled Junior DevOps Engineer with proven experience in building CI/CD pipelines and automating AWS cloud infrastructure across diverse environments. Successfully reduced Mean Time to Resolution (MTTR) by over 40% through full observability stack implementation and decreased manual operational tasks by 80% using Terraform, Bash, and Python automation. Committed to driving reliability engineering and continuous improvement with a strong foundation in Linux administration, IaC, and cloud security.

Work

Ekiti MSME ICT Hub
|

Junior DevOps Engineer / Cloud Engineer Trainee

Remote, Nigeria, Nigeria

Summary

Managed the full lifecycle of DevOps practices across development, staging, and production environments, supporting 5+ microservices for an 8-member cross-functional team.

Highlights

Designed and maintained 4 automated CI/CD pipelines using GitHub Actions and Jenkins, reducing deployment inconsistencies by 30% and improving release speed by 25% across cloud-based applications.

Automated multi-tier AWS environment provisioning with Terraform and CloudFormation, decreasing infrastructure provisioning time from hours to under 15 minutes with zero configuration drift.

Implemented a comprehensive observability stack using Prometheus, Grafana, ELK Stack, and AWS CloudWatch, achieving 40%+ MTTR reduction and reducing alert noise by 35%.

Containerized and orchestrated 5+ microservices with Docker and Kubernetes (ECS/EKS), maintaining 99.9% container uptime and managing image builds, rolling deployments, and autoscaling.

Administered Ubuntu servers across 3 environments, ensuring 99.99% system reliability through user management, security hardening, patching, and performance monitoring.

Education

National Open University of Nigeria
Nigeria, Nigeria, Nigeria

Bachelor of Science

Entrepreneurship & Business Management

Ekiti MSME ICT Hub
Ekiti, Nigeria, Nigeria

Certification

Cloud Computing

Languages

English

Certificates

AWS Cloud Essentials | AWS Billing and Cost Management

Issued By

Amazon Web Services

AWS Certified Solutions Architect - Associate

Issued By

Amazon Web Services

AWS Certified Cloud Practitioner (CLF-C02)

Issued By

Amazon Web Services

AWS Educate: Introduction to Generative AI

Issued By

Amazon Web Services

3MTT Data Science / Machine Learning

Issued By

Federal Government of Nigeria

Skills

CI/CD

GitHub Actions, Jenkins, GitLab CI, CircleCI, GitOps, Argo CD, Git-based deployment workflows, Helm chart management.

Containers

Docker, Kubernetes, Amazon ECS, Amazon EKS, Helm.

Observability

Prometheus, Grafana, ELK Stack, CloudWatch, Datadog, SRE practices, SLI/SLO/error budgets.

Scripting

Python, Bash, Deployment & Ops Automation.

Cloud Security

IAM, VPC, Security Groups, ACLS, WAF, AWS Secrets Manager.

Artifact Registries

Amazon ECR, DockerHub.

Cloud Platforms

AWS (primary), GCP, Azure.

IaC & Automation

Terraform, CloudFormation, Ansible.

Linux

Ubuntu, Hardening, Patching, User Mgmt, Cron, Performance.

Databases

MySQL, Amazon RDS, DynamoDB.

Collaboration

Jira, Git, GitHub, Agile/Scrum, Async Documentation.

Projects

CI/CD Pipeline - Blue/Green Deployment Automation

Summary

Designed and implemented end-to-end CI/CD pipelines with blue/green deployment strategy, integrating Amazon ECR for container image storage, automating dependency updates, and environment provisioning.

AWS Cloud Infrastructure Automation - Multi-Tier IaC

Summary

Provisioned fully automated multi-tier AWS environments using modular Terraform with separate state backends, consistent security baselines, and reproducible infrastructure.

Observability Stack - 40%+ MTTR Reduction

Summary

Built production-grade observability covering metrics collection, centralized log aggregation, and automated alerting with escalation policies.

Microservices Containerization & Orchestration

Summary

Containerized and orchestrated 5+ microservices using Docker and Kubernetes with Helm-managed deployments, implementing rolling update strategies, resource limits, and horizontal pod autoscaling.

Multi-Cloud Infrastructure Deployment

Summary

Deployed and configured Linux VMs across AWS, GCP (Compute Engine), and Azure, setting up VPC/VNet networking, IAM access controls, and firewall rules across all three providers.