John A. Ojabo — Senior DevOps Engineer
JOHN A. OJABO SENIOR DEVOPS & SRE
01 / EXECUTIVE PROFILE

Architecting for reliability, security & cloud velocity

A seasoned Software & Infrastructure Engineer with 6+ years’ expertise building, deploying, securing, and scaling mission-critical software and cloud infrastructure across AWS, GCP, and Azure. Specialized in Kubernetes orchestration (GKE, AKS, EKS), Terraform IaC, zero-downtime migrations, and site reliability engineering.

6+ YRS Engineering Exp
AWS · GCP · AZURE Multi-Cloud Platforms
99.99% Uptime SLA
1M+ Kubernetes Cluster Scale

Work Experience History

Senior DevOps Engineer (GCP) — Penningmeester.ai ABV, Netherlands (Remote)
FEB 2025 – PRESENT
  • Architecting scalable GCP-based infrastructure to support high-performance AI-driven financial systems.
  • Implementing Infrastructure as Code (IaC) using Terraform for repeatable, secure, and compliant deployments.
  • Designing CI/CD pipelines in GitHub Actions for faster release cycles and automated integration testing.
  • Integrating GCP Cloud Monitoring & Logging with Grafana for real-time telemetry and incident triage.
  • Enforcing IAM policies, network segmentation, and secret management to ensure strict data protection.
GCP Terraform GKE GitHub Actions Grafana Cloud Security
GCP DevOps Engineer — NotJustEvent, Inc. (Remote)
2023 – 2025
  • Reduced operational cloud costs by $20K/year through static site migration to Azure Storage and spend optimization.
  • Led zero-downtime workload migration from GCP to Azure, improving application performance by 35%.
  • Built 6 CI/CD pipelines in Azure DevOps, accelerating software delivery velocity by 45%.
  • Deployed APIs via Azure API Management with 99.9% uptime SLA and automated Terraform provisioning (50% faster deployment).
  • Implemented Grafana, Prometheus, and Loki stack, reducing incident resolution time (MTTR) by 60%.
Azure DevOps GCP to Azure Migration Terraform Prometheus / Loki API Management
Azure DevOps Engineer — Keenchess (Remote)
2022 – 2023
  • Designed microservices architecture with Kafka & Zookeeper, achieving 99.9% uptime.
  • Migrated workloads from GKE to AKS, reducing costs and operational overhead by 30%.
  • Delivered auto-scaling AKS microservices with 99.95% reliability and automated CI/CD pipelines (20% faster deployment).
AKS Kafka / Zookeeper Kubernetes HPA Azure
AWS Kubernetes Administrator — Take & Trade Naija (Remote)
2021 – 2022
  • Deployed Amazon EKS cluster engineered for 1M+ users with high availability and 99.99% uptime.
  • Reduced database query response times by 40% via Redis caching and PGbouncer connection pooling.
  • Implemented Cluster & Node Autoscaling, reducing cloud compute costs while maintaining peak throughput.
AWS EKS PGbouncer Redis Node Autoscaling
IT Support Specialist — Pittsburg Glass Workers (PGW) (Remote)
2019 – 2021
  • Administered Windows & Linux enterprise servers with strict focus on security compliance and Active Directory GPOs.
  • Configured Rapid7 for security monitoring, automated vulnerability scanning, and incident triage.
Linux / Windows Server Active Directory Rapid7 VDI

Open-Source & Cloud Architecture

FLAGSHIP PROJECT OPEN SOURCE (APACHE 2.0)

Recon7 — Autonomous Attack Surface Intelligence

Defense-grade cyber reconnaissance platform. Orchestrates 12+ OSINT engines (Masscan, Nmap, Subfinder, Nuclei), correlates vulnerabilities into a graph evidence ledger, and enforces strict enterprise multi-tenant IAM isolation.

Python / FastAPI Async Workers Docker React Multi-Tenant IAM
MULTI-CLOUD PIPELINE

Zero-Downtime Multi-Cloud Migration

Automated workload transition pipeline moving live microservices from GKE to Azure AKS with Kafka/Zookeeper event streaming and 35% performance improvement.

GKE / AKS Kafka Terraform

Skills & Certifications

Cloud Platforms
Google Cloud (GCP), Microsoft Azure, Amazon Web Services (AWS)
Kubernetes & Containers
GKE, AKS, EKS, Docker, Borg, Autoscaling (HPA)
Infrastructure as Code
HashiCorp Terraform, Ansible
CI/CD & GitOps
Azure DevOps, GitHub Actions, Jenkins, ArgoCD, FluxCD
Observability & Logging
Prometheus, Grafana, Loki, ELK Stack, Cloud Monitoring
Security & Databases
Cloud IAM, VPC, Rapid7, PostgreSQL, Redis, PGbouncer
GOOGLE CLOUD
Professional Cloud DevOps Engineer
GOOGLE CLOUD
Professional Cloud Security Engineer
HASHICORP
Terraform Certified Associate
AWS
AWS Certified Cloud Practitioner
EDUCATION
BSc, Cyber Security — Miva Open University (2024–2027)
AWS re/Start Graduate — Cloud Fundamentals

Let's Build Resilient Infrastructure

Available for Senior DevOps, Cloud Architecture & SRE engagements.

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