John Oluwarotimi Abiola

DevOps Engineer

Github | LinkedIn

About

Highly accomplished DevOps Engineer with 5 years of experience, specializing in architecting and implementing robust CI/CD pipelines and orchestrating microservices across multi-cloud environments (AWS, Azure, GCP). Proven ability to reduce deployment times by 70%, achieve 99.9% system availability, and cut operational costs by 25% through expertise in Git, Docker, Kubernetes, Terraform, and Ansible.

Work Experience

DevOps Engineer

Babban Gona

Oct 2024 - Present

Lagos State, Lagos State, NG

Leading DevOps initiatives at Babban Gona, focused on optimizing CI/CD pipelines, orchestrating microservices, and fostering cloud-native adoption to enhance system reliability and delivery velocity.

  • Architected and implemented enterprise-grade CI/CD pipelines using Jenkins and GitHub Actions, reducing deployment times by 70% and enabling 3x more frequent releases.
  • Orchestrated containerized microservices infrastructure with Docker and Kubernetes, achieving 99.9% system availability while supporting 100+ services across multiple environments.
  • Developed robust automation scripts (Python, Bash, PowerShell) that eliminated 25+ hours of weekly manual operations and reduced human error incidents by 85%.
  • Pioneered adoption of GitOps methodologies and cloud-native technologies, training 30+ developers and increasing overall team delivery velocity by 40%.
  • Collaborated cross-functionally with development teams to implement DevSecOps practices, embedding security controls throughout the SDLC while maintaining development agility.

DevOps Engineer

Investment One Financial Services

Nov 2022 - Oct 2024

Lagos State, Lagos State, NG

Managed cloud infrastructure and CI/CD automation at Investment One Financial Services, driving significant improvements in scalability, cost efficiency, and system observability.

  • Designed and optimized scalable cloud infrastructure, improving scalability by 40% and realizing a 40% reduction in monthly cloud expenses.
  • Automated CI/CD pipelines with Azure DevOps, cutting development time by 30%, and streamlined infrastructure provisioning with Terraform, reducing provisioning time by 70%.
  • Implemented comprehensive monitoring and alerting solutions with Datadog, Prometheus, Grafana, OpManager, and Azure Monitor, improving system observability and maintaining 99.5% system response time.
  • Migrated 20 on-premises servers to Azure and AWS, reducing operational costs by 25%, and configured Windows/Linux Servers to reduce vulnerabilities by 30% through rigorous hardening.
  • Administered server roles on on-premises Hyper-V cluster, achieving 99.9% uptime for critical services, and maintained 100% compliance with vendor SLAs.

Technical Support

Go54

Nov 2020 - Nov 2022

Lagos State, Lagos State, NG

Provided technical support and managed critical IT infrastructure for Go54, ensuring high data integrity, efficient issue resolution, and enhanced system performance.

  • Provided efficient technical support across multiple channels, achieving an average resolution time of 24 hours for diverse IT issues.
  • Diagnosed and resolved web hosting issues within a 12-hour timeframe, including website downtime, server errors, and DNS configuration, improving server configurations by 20% for faster website loading.
  • Implemented robust backup solutions with a 99.9% data integrity rate and executed disaster recovery plans, reducing recovery time by 30% in critical data loss incidents.

Education

Urban And Regional Planning

Obafemi Awolowo University

Sep 2014 - Jul 2019

Ile-Ife, Osun State, NG

Certificates

Microsoft Azure DevOps Expert

Microsoft

Dec 2024

AWS Solutions Architect Associate

Amazon Web Services

Feb 2024

Microsoft Certified: Azure Administrator

Microsoft

Nov 2023

Associate Cloud Engineer (GCP)

Google Cloud

Jul 2023

Skills

Cloud Platforms

  • AWS
  • Azure
  • GCP
  • Cloud Infrastructure Management
  • Cloud Workloads

DevOps & CI/CD

  • Jenkins
  • GitHub Actions
  • Azure DevOps
  • Argo CD
  • Code Deploy
  • CI/CD Pipelines
  • GitOps Methodologies
  • DevSecOps Practices
  • Deployment Governance Frameworks

Containerization & Orchestration

  • Docker
  • Kubernetes
  • Helm
  • Microservices Infrastructure

Infrastructure as Code (IaC)

  • Terraform
  • Ansible
  • Biceps
  • CloudFormation

Automation & Scripting

  • Python
  • Bash
  • PowerShell
  • Automation Scripts

Operating Systems

  • RHEL
  • Debian-based Linux OS
  • Windows Servers
  • Linux
  • Windows

Monitoring & Logging

  • Prometheus
  • Grafana
  • New Relic
  • Loki
  • EFK/ELK
  • Datadog
  • OpManager
  • Azure Monitor

Virtualization

  • VMware
  • Hyper-V

Version Control

  • Git

System Administration

  • Active Directory Administration
  • Patch Management and Updates
  • Network Configuration and Troubleshooting
  • Server Hardening
  • System Observability