// resume
Mucheru James Maina
DevOps Engineer · AWS Community Builder
Summary
DevOps engineer with a networking background and 5+ years of Python programming. Hands-on experience supporting, automating, and optimising mission-critical deployments on AWS — leveraging configuration management, CI/CD, containerisation, and microservices. Strong background in Linux, Bash, Python, Ansible, Docker, Terraform, and Jenkins.
Professional Experience
Senior Infrastructure Engineer
Dec 2022 — PresentIgnite Energy Access (formerly ENGIE Energy Access) · Nairobi (Remote)
- Led a full identity migration from Okta to Microsoft Entra ID across 10+ systems — GitLab, Grafana, Zabbix, ThingsBoard, Kubernetes OIDC, and the core PowerHub app — configuring SAML/OIDC and a bulk user domain migration across all markets.
- Migrated Graylog SSO to Microsoft Entra ID via a Vouch proxy, resolving TLS truststore and OpenSearch cluster issues along the way.
- Managed a full AWS account migration during a corporate divestiture from ENGIE's AWS Organization — reconfiguring SSO, replacing Transit Gateways, and producing service-by-service migration and access documentation.
- Own the production security posture of a hybrid platform (Hetzner bare-metal, LXD virtualisation, and AWS) supporting operations across nine African countries.
- Handle incident response for security-impacting failures — including a Rook-Ceph cluster rebuild after OSD data loss and containing cascading failures from a Calico CNI disruption.
- Upgraded GitLab across major versions with full change management, and resolved a critical MOCO MySQL binlog corruption incident without data loss.
- Designed a WireGuard hub-and-spoke VPN mesh for secure cross-border PostgreSQL replication, and build GitOps deployment pipelines with ArgoCD so changes are reviewed, versioned, and auditable.
Cloud DevOps Engineer
2022 — Jan 2023Ponea Health
- Create, configure, and maintain infrastructure on AWS cloud services.
- Develop and maintain CI/CD pipelines with CircleCI and Jenkins.
- Automate deployments with Terraform, AWS SAM, and CloudFormation.
- Deploy serverless applications with AWS SAM to Lambda.
Software Developer
2021 — PresentBrightDrips, Nairobi
- Design and deliver applications using Python.
- Configuration management and deployment tooling.
- Build and maintain AWS infrastructure — VPC, EC2, RDS, S3, Route 53, SNS, CloudFront, CloudWatch, and IAM.
- Implement CI/CD pipelines with CloudFormation and Terraform, plus Jenkins, Docker, and CircleCI for full commit-to-deploy automation.
System Administrator
2016 — 2020Urithi, Nairobi
- Troubleshoot hardware and software errors — diagnostics, documentation, and impact assessment.
- Provide documentation and technical specs for IT infrastructure planning and upgrades.
- Maintain and configure computer systems, network servers, and virtualisation.
- Perform regular backups and implement data protection, disaster recovery, and failover procedures.
Education & Certifications
Cloud DevOps Nanodegree
BSc, Computer Science
- ▸KCNA — Kubernetes & Cloud Native Associate (CNCF)
- ▸GitOps at Scale (Codefresh)
- ▸AWS Certified Cloud Practitioner
- ▸Udacity — Cloud DevOps Engineer
- ▸AWS Community Builder
Community & Speaking
Speaker — UbuCon Kenya 2026
"LXD in Production: Building a Cost-Effective Private Cloud on Bare Metal for African Deployments"
Participant — CyberGame 2026 CTF
Capture-the-flag security competition