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Josphat Mutai

PROFILE

Josphat Mutai

Josphat Mutai engineered robust cloud infrastructure and storage automation across the mojaloop/iac-modules and mojaloop/iac-ansible-collection-roles repositories, focusing on scalable Kubernetes deployments and resilient backup strategies. He implemented dynamic storage provisioning with Ceph and EBS, integrated S3-backed and PVC-based backup workflows, and modernized secret management by migrating to External Secrets Operator. Using Terraform, Ansible, and Helm, Josphat standardized configuration management, improved deployment reliability, and enhanced observability with metrics-server integration. His work addressed multi-environment portability, cost efficiency, and security, demonstrating depth in Infrastructure as Code and DevOps practices while reducing operational toil and supporting business continuity for cloud-native systems.

Overall Statistics

Feature vs Bugs

69%Features

Repository Contributions

307Total
Bugs
46
Commits
307
Features
103
Lines of code
13,764
Activity Months6

Work History

March 2025

3 Commits • 2 Features

Mar 1, 2025

March 2025 — mojaloop/iac-modules: Focused on governance, cost-efficiency, and resilience through configuration improvements. Key features delivered: Terragrunt: expose manage_parent_domain flag (default true) to improve control over parent-domain management in cluster configs; Ceph storage pool tuning to reduce object replication to 1 and disable requireSafeReplicaSize for block pools to improve pool creation flexibility in smaller environments. Major bugs fixed: none reported; stability improvements achieved via configuration controls and tunings. Overall impact: stronger deployment governance, reduced storage costs, and greater flexibility in node-constrained environments, enabling safer and faster rollout of clusters. Technologies/skills demonstrated: Terragrunt, Ceph storage tuning, IaC best practices, version-control traceability.

February 2025

27 Commits • 8 Features

Feb 1, 2025

February 2025 monthly summary for Mojaloop engineering. Delivered core features and fixes across iac-modules and iac-ansible-collection-roles, with a focus on cloud backups, secure object storage, secret management modernization, and deployment reliability. Key outcomes include enhanced S3-backed backup capability, TLS and certificate hardening for object stores, migration away from deprecated secret generators to ESO, and storage deployment improvements with Percona Helm and policy/test automation. These efforts improve business continuity, security posture, and operational efficiency across environments.

January 2025

80 Commits • 18 Features

Jan 1, 2025

January 2025 performance summary for mojaloop iac-ansible-collection-roles and mojaloop/iac-modules. Focused on delivering features and stabilizing configurations that drive faster, more reliable deployments and improved security posture. Business value delivered includes consistent Kubernetes provisioning, automated backup capabilities, enhanced registry access, and expanded QA coverage across two repositories.

December 2024

28 Commits • 7 Features

Dec 1, 2024

December 2024: Focused delivery on scalable storage provisioning, enhanced observability, and deployment reliability across the iac-modules and iac-ansible-collection-roles. Key features delivered include dynamic CSI scaling, cloud CSI provisioning enablement, and improved Rook Ceph object storage configurations, complemented by comprehensive metrics-server integration and reinforced teardown processes. These changes reduce operational toil, improve fault tolerance, and accelerate cloud-storage provisioning for multi-tenant environments.

November 2024

157 Commits • 60 Features

Nov 1, 2024

November 2024 performance summary focusing on business value and technical accomplishments across mojaloop/iac-modules and mojaloop/iac-ansible-collection-roles. Delivered robust multi-environment Rook Ceph storage enhancements, enabling reliable AWS and bare-metal deployments with EBS-backed storage and CSI driver integration. Improved deployment reliability and security, and accelerated time-to-value for storage provisioning and GitOps workflows. Key initiatives included: - Rook Ceph deployment enhancements on bare metal and AWS with EBS CSI driver; added AWS EBS CSI driver, EBS storage class defaults (gp3), and OSD count configurability. - Reverted an erroneous merge to main to restore stability and reduce risk in production branches. - Propagated cloud_platform configuration through to ArgoCD to ensure consistent deployments across environments. - Observability improvements with Metrics Server via Helm, plus cleanup of obsolete observability references. - Security and IAM enhancements for EBS CSI (roles/policies, instance profiles) and encryption controls for volumes and PVCs. - Topology, failure-domain corrections, and storage-class refinements to improve reliability and portability across Kubernetes distributions. - Regular Ceph configuration updates (CRs, topology, vars) and teardown automation improvements to reduce manual toil and support robust maintenance.

October 2024

12 Commits • 8 Features

Oct 1, 2024

October 2024 monthly summary: Focused on reliability, standardization, and observability for EKS-based infrastructure and local deployments. Delivered features that standardize backups, harden provisioning defaults, and improve policy handling, while enabling monitoring and safer deployment paths. Local overlays were simplified to reduce runtime complexity, and Argo CD synchronization behavior was refined for Rook Ceph. A notable bug fix this month was the Stunner Gateway Operator Helm rollback to 0.19.0 to restore stability in the iac-ansible-collection-roles repo, reflecting a commitment to maintain known-good baselines.

Activity

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Quality Metrics

Correctness87.2%
Maintainability89.6%
Architecture85.0%
Performance79.0%
AI Usage20.6%

Skills & Technologies

Programming Languages

BashHCLJinja2ShellTerraformYAMLbashhcljinja2python

Technical Skills

AWSAWS IAMAnsibleArgo CDArgoCDCI/CDCephCeph StorageCert-ManagerCloudCloud ComputingCloud ConfigurationCloud EngineeringCloud InfrastructureCloud Native Storage

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

mojaloop/iac-modules

Oct 2024 Mar 2025
6 Months active

Languages Used

BashHCLTerraformYAMLyamlhclsvgShell

Technical Skills

AWSAWS IAMArgo CDCloudCloud ComputingCloud Engineering

mojaloop/iac-ansible-collection-roles

Oct 2024 Feb 2025
5 Months active

Languages Used

yamlJinja2YAMLbashshellShelljinja2python

Technical Skills

DevOpsHelmKubernetesAnsibleArgo CDArgoCD

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