DevSecOps & Cloud Platform Engineer

Securing Cloud Infrastructure Across Africa & Beyond

AWS & Azure DevSecOps Engineer

Building resilient, secure cloud systems across AWS and Azure with 5+ years of experience. From CI/CD pipelines and zero-trust IAM to full platform migrations.

Work With Me Explore My Work

Follow:

Tejiri Whuatorhe, AWS DevSecOps Engineer

Open to consulting & contracts

AWS Certified

5+ Yrs Experience

Zero-Trust IAM

My Mission

Delivering Secure, Scalable Cloud Solutions

I am a DevSecOps and Cloud Platform Engineer who designs and secures infrastructure across AWS and Azure for organisations across West Africa and beyond. With expertise in ECS, AKS, RDS, IAM, GitLab CI/CD, and Terraform, I build pipelines and platforms that are secure by default, observable, and built to scale. I also write backend services in Python and Node.js, and take on website design work when a project calls for it.

AWS Expert Zero-Trust CI/CD Security IaC / Terraform Kubernetes Observability Python & Node.js Website Design

"I believe cloud infrastructure should be invisible when it works and loud when something's wrong. My job is to build systems so reliable, so secure, and so well-observed that your team can focus entirely on shipping product."

Tejiri Whuatorhe

DevSecOps & Cloud Platform Engineer (AWS & Azure)

What I Offer

Cloud Security & Platform Excellence

🔐

Cloud Security & DevSecOps

Deep expertise in securing cloud workloads with IAM least-privilege, OIDC federation, secrets management, SAST/DAST pipelines, and zero-trust network design.

IAM & Identity hardening
SAST/DAST in CI/CD
Secrets rotation (AWS SM, Key Vault)
OIDC-based pipeline authentication

☁️

Cloud Infrastructure & Migrations

End-to-end cloud architecture and migrations, including Azure to AWS workload moves, ECS deployments, RDS provisioning, and full VPC design.

AWS ECS (Fargate & EC2 launch types)
Azure → AWS migrations, zero downtime
Terraform IaC at scale
Multi-account AWS environments

📊

Platform Engineering & Observability

Building developer platforms with robust observability: Prometheus, Grafana, CloudWatch SLOs, automated alerting, and efficient deployment workflows.

Prometheus + Grafana dashboards
SLO-based alerting & runbooks
GitOps / ArgoCD pipeline design
Kubernetes & Helm on EKS/AKS

Professional Experience

Career & Impact

Jul 2024 – Present

DevSecOps / Cloud / Platform Engineer

Teleios · West Africa (Remote)

Led Azure-to-AWS migration, secured CI/CD pipelines with OIDC, built Prometheus/Grafana observability stacks, and managed AI infrastructure for LLM workloads.

Sept 2022 – Jun 2024

Cloud Engineer

IHS Towers · West Africa

Designed multi-account AWS environments, implemented disaster recovery achieving 99.9% uptime, deployed RabbitMQ clusters, and reduced API response times by 60%.

Nov 2020 – Aug 2022

Cloud Engineer (Freelance)

Upwork · Remote

Containerized 15+ client applications, built CI/CD pipelines with Jenkins and GitHub Actions, and reduced deployment time by 70% across diverse client workloads.

Core Skills

My Technology Stack

☁️

AWS / Azure

AWS EKSAWS Lambda CloudWatchAWS RDS Azure AKSAzure AI Foundry Azure App InsightsAzure Cosmos DB

AWS90%

Azure75%

🔁

CI/CD & IaC

GitLab CI/CDGitHub Actions ArgoCDJenkins TerraformCloudFormation

CI/CD Pipelines92%

Terraform / IaC85%

🔒

Security

SASTDAST OIDC FederationIAM Least-Privilege Secrets ManagerSTIG Compliance Zero-Trust

Cloud Security88%

DevSecOps85%

📦

Containers & Observability

DockerECS Fargate KubernetesEKS HelmPrometheus GrafanaELK Stack OpenTelemetry

Containers / K8s87%

Observability Stack82%

🧩

Languages & Web

PythonNode.js JavaScriptBash Website Design

Backend (Python/Node.js)78%

Website Design70%

What People Say

Colleagues and clients on working with me

"Tejiri is one of the sharpest engineers I've worked with. We collaborated closely on infrastructure and security decisions, and what stood out was how clearly he communicated trade-offs and how seriously he took getting things right. Reliable, knowledgeable, and genuinely great to build with."

Meshach Odejide

Cloud / DevOps Engineer

"Tejiri has a great way of breaking down complex cloud and security concepts clearly and practically. A few sessions with him sharpened how I approach problems in this space, and his depth across AWS, security, and DevOps is genuinely impressive."

Divine Ijeawele

DevOps Engineer