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simon.mitchell

PROFILE

Simon.mitchell

Worked on the ministryofjustice/cloud-platform-environments repository, delivering features and fixes to enhance cloud infrastructure reliability, security, and operational efficiency. Over five months, built and maintained Kubernetes namespaces, RBAC policies, and audit queue systems, focusing on environment isolation and access control. Used Terraform and YAML to standardize resource naming, automate deployments, and manage PostgreSQL upgrades across multiple environments. Addressed CI/CD modernization by migrating from CircleCI to GitHub Actions and cleaning up legacy secrets. Improved audit data handling with new queues and DLQs, refined IAM policies, and ensured consistent configuration management, demonstrating depth in AWS, Kubernetes, and infrastructure as code practices.

Overall Statistics

Feature vs Bugs

58%Features

Repository Contributions

68Total
Bugs
10
Commits
68
Features
14
Lines of code
3,380
Activity Months5

Work History

June 2026

6 Commits • 3 Features

Jun 1, 2026

June 2026 monthly summary for ministryofjustice/cloud-platform-environments: Key features delivered include new Probation audit queue with DLQ and IAM policy refinements, a dedicated HMPS audit user queue with DLQ, and a Terraform provider upgrade to 3.7.1. A bug fix corrected Kubernetes secret metadata naming to hyphens for consistency. Overall, these changes improve reliability, security, and operational efficiency, enabling safer audit data handling, clearer resource naming, and smoother provider upgrades.

May 2026

19 Commits • 4 Features

May 1, 2026

May 2026 focused on strengthening deployment isolation, access control, and production-readiness for the HMPPS Prison Users API. Delivered environment-scoped Kubernetes namespaces with robust RBAC and network policies, stabilized preprod/stage readiness, standardized RDS naming and Terraform behavior to ensure reliable deployments, and cleaned up configuration to reduce operational risk. These changes improve security posture, data integrity, and faster, safer releases across dev, preprod, and prod.

March 2026

22 Commits

Mar 1, 2026

March 2026 focused on security hygiene and CI/CD modernization by removing legacy CircleCI service accounts after migration to GitHub Actions and cleaning up stale secrets across multiple services and environments. Key cleanup targets included token-verification-api, hmpps-auth, hmpps-audit, hmpps-external-users, hmpps-manage-users, hmpps-nomis-user-roles, and hmpps-subject-access, with a dedicated audit queue secrets cleanup for hmpps-audit-poc-dev. These changes reduce attack surface, simplify IAM, and improve maintenance and auditability across dev, pre-prod/stage, and prod environments. Work delivered through 3 change sets comprising 22 commits, reflecting thorough cross-team coordination, validation in non-prod, and clean promotion to prod. Technologies demonstrated include Git, GitHub Actions migration, CI/CD governance, IAM/secret management, and cross-service collaboration, delivering tangible business value of faster onboarding, reduced risk, and easier future migrations.

February 2026

14 Commits • 3 Features

Feb 1, 2026

February 2026 focused on stabilizing access controls, upgrading core data infrastructure, and removing redundant environments to boost security, reliability, and operational efficiency. Delivered three core items across ministryofjustice/cloud-platform-environments, with outputs surfaced in standardised parameters to improve observability and automation.

January 2026

7 Commits • 4 Features

Jan 1, 2026

January 2026 monthly summary for ministryofjustice cloud platform environments. Delivered upgrade readiness, enhanced monitoring, naming consistency, and deployment controls across hmpps-auth environments, laying groundwork for reliable upgrades and safer releases.

Activity

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Quality Metrics

Correctness99.2%
Maintainability95.0%
Architecture96.2%
Performance95.2%
AI Usage20.6%

Skills & Technologies

Programming Languages

HCLNoneTerraformYAML

Technical Skills

AWSAWS IAMAWS RDSCI/CDCloud InfrastructureCloud Infrastructure ManagementCloud Platform ManagementCloud ServicesConfiguration ManagementDatabase ManagementDevOpsIAM PoliciesInfrastructure ManagementInfrastructure as CodeKubernetes

Repositories Contributed To

1 repo

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

ministryofjustice/cloud-platform-environments

Jan 2026 Jun 2026
5 Months active

Languages Used

HCLNoneTerraformYAML

Technical Skills

CI/CDCloud Infrastructure ManagementCloud ServicesDatabase ManagementDevOpsInfrastructure Management