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Ciarán Carragher

PROFILE

Ciarán Carragher

Ciaran Carragher developed and enhanced automated cloud resource management workflows across several HMCTS repositories, notably hmcts/auto-shutdown and hmcts/ops-runbooks. He implemented centralized VM Scale Set retrieval and automated lifecycle management for MySQL flexible servers, integrating CI workflows and standardized tagging to improve reliability and cost governance. Using Azure CLI, Shell Scripting, and GitHub Actions, Ciaran refactored scripts for maintainability, expanded automation coverage, and improved logging for traceability. He also remediated Helm deployment failures in Dynatrace monitoring, updating operational guides and troubleshooting steps. His work demonstrated depth in cloud automation, infrastructure reliability, and operational efficiency within complex Azure and Kubernetes environments.

Overall Statistics

Feature vs Bugs

60%Features

Repository Contributions

10Total
Bugs
2
Commits
10
Features
3
Lines of code
2,715
Activity Months4

Work History

October 2025

5 Commits • 1 Features

Oct 1, 2025

October 2025 monthly performance summary for hmcts/auto-shutdown. Delivered automated lifecycle management for MySQL flexible servers with auto-start/auto-stop, incorporating CI workflow integration, standardized environment tagging, and targeted code simplifications to improve reliability and reduce operational costs. This work laid the foundation for cost-aware, automated instance control across production and non-production environments.

June 2025

1 Commits

Jun 1, 2025

June 2025 monthly summary for hmcts/ops-runbooks focusing on stability and observability improvements in Dynatrace deployment workflows. Delivered a targeted remediation for Helm install failures and enhanced operational guidance to enable faster triage and repeatable deployments across environments.

March 2025

3 Commits • 1 Features

Mar 1, 2025

March 2025: Focused on expanding automation coverage and strengthening reliability for Azure resource shutdown workflows. Delivered VMSS support in autoshutdown, improved script reliability and logging, and reinforced log hygiene to improve traceability and cost governance across hmcts/auto-shutdown and hmcts/dtspo-daily-monitoring. These efforts reduced operational noise, enhanced decision-making data, and demonstrated strong scripting, Azure VMSS orchestration, and Git hygiene.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025: Implemented a centralized VMSS information retrieval approach in hmcts/auto-shutdown by introducing a get_vmss function and refactoring the script to use it. The changes standardize VMSS selection by environment and business area tags, improve code organization, readability, and maintainability, and prepare the ground for easier scaling and troubleshooting of shutdown workflows.

Activity

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Quality Metrics

Correctness87.0%
Maintainability88.0%
Architecture84.0%
Performance82.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashJSONMarkdownShellYAMLbashyaml

Technical Skills

AzureAzure CLICI/CDCloud AutomationCloud InfrastructureDevOpsFluxGitGitHub ActionsHelmKubernetesScriptingShell ScriptingTroubleshootingjq

Repositories Contributed To

3 repos

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

hmcts/auto-shutdown

Feb 2025 Oct 2025
3 Months active

Languages Used

BashJSONShellYAMLbashyaml

Technical Skills

Azure CLIShell ScriptingGitjqAzureCI/CD

hmcts/dtspo-daily-monitoring

Mar 2025 Mar 2025
1 Month active

Languages Used

Shell

Technical Skills

DevOpsScripting

hmcts/ops-runbooks

Jun 2025 Jun 2025
1 Month active

Languages Used

MarkdownShell

Technical Skills

FluxHelmKubernetesTroubleshooting