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charlesmmarshall

PROFILE

Charlesmmarshall

Charles Marshall engineered infrastructure and CI/CD improvements across the ministryofjustice/opg-use-an-lpa and opg-data-lpa repositories, focusing on secure access, configuration management, and workflow reliability. He implemented Terraform-based allow-list updates to streamline Prisma VPN connectivity, reducing manual onboarding and clarifying network security. In CI/CD pipelines, Charles centralized Terraform version management, modernized runtime tooling, and introduced version pinning for reproducible builds. He also established foundational configuration files to support scalable application settings and feature flags. Using Terraform, YAML, and GitHub Actions, his work addressed both feature delivery and critical bug fixes, demonstrating depth in DevOps practices and infrastructure as code automation.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

30Total
Bugs
1
Commits
30
Features
6
Lines of code
276
Activity Months4

Work History

September 2025

1 Commits

Sep 1, 2025

2025-09 Monthly summary focused on CI/CD reliability and maintenance for ministryofjustice/opg-data-lpa. Fixed a critical CI pipeline issue by correcting the path to the terraform-version GitHub Action (added the actions/ subdirectory), ensuring the destroy_workspaces.yml workflow runs reliably. This reduces CI failures, shortens feedback cycles, and lowers deployment risk. Commit 4bc870c287e7f30e96cddf6c05a916f54930b77c.

July 2025

4 Commits • 1 Features

Jul 1, 2025

Implemented centralized Terraform version management and improved CI/CD consistency for ministryofjustice/opg-use-an-lpa. Consolidated Terraform version declarations into a single versions.tf, removed direct usage of the .terraform-version file in CI, cleaned up unused inputs in the terraform-version action, and added version visibility to CI logs to improve maintainability, observability, and reliability.

March 2025

24 Commits • 4 Features

Mar 1, 2025

March 2025 monthly summary: Strengthened CI/CD stability and security across two repositories, introduced foundational configuration management, and modernized runtime tooling to improve performance and cloud resource integration. These changes reduce build failures, accelerate safe deployments, and establish scalable configuration governance and feature-flag capabilities for safer, faster delivery.

November 2024

1 Commits • 1 Features

Nov 1, 2024

November 2024 (2024-11) focused on strengthening secure remote access and enabling seamless Prisma VPN connectivity for authorized users. Delivered a Terraform-based update to the default allow list in the ministryofjustice/opg-digideps repository, adding the Prisma VPN IP range to permit traffic by default. This reduces manual configuration, accelerates onboarding for authorized users, and strengthens the security posture by clearly permitting Prisma VPN traffic. The change was implemented via a single commit (7b5eca1ac6cb3d7296a816fc86744ae815e789cf) with the message: 'Add primsa vpn range to the default allow list'. No major bugs were reported/fixed in this scope. Technologies/skills demonstrated include Terraform (infrastructure as code), access control through allow-list management, Git versioning and commit hygiene, and value-driven collaboration with security and ops teams.

Activity

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Quality Metrics

Correctness97.2%
Maintainability98.0%
Architecture96.6%
Performance94.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

HCLPythonTerraformYAML

Technical Skills

AWSAWS CLICI/CDConfiguration ManagementDevOpsGitHub ActionsInfrastructure as CodeNetwork SecurityTerraformVersion Pinning

Repositories Contributed To

3 repos

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

ministryofjustice/opg-use-an-lpa

Mar 2025 Jul 2025
2 Months active

Languages Used

YAMLHCL

Technical Skills

AWSAWS CLICI/CDDevOpsGitHub ActionsTerraform

ministryofjustice/opg-data-lpa

Mar 2025 Sep 2025
2 Months active

Languages Used

PythonYAML

Technical Skills

CI/CDConfiguration ManagementDevOpsGitHub ActionsVersion Pinning

ministryofjustice/opg-digideps

Nov 2024 Nov 2024
1 Month active

Languages Used

Terraform

Technical Skills

DevOpsInfrastructure as CodeNetwork Security

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