United Kingdom

Kieron Harding

Lead Platform Engineer

Platform engineer focused on making cloud infrastructure secure, resilient, efficient and a pleasure for teams to operate.

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Experience

Building strong, capable platforms.

Jul 2026 — Present

Lead Platform Engineer

Team Matrix

  • Platform leadership. Primary infrastructure contact across business-critical services, setting technical direction and providing operational support.
  • Cost optimisation. Leading cloud and platform cost-reduction work while protecting performance, resilience and scalability.
  • Simpler foundations. Partnering with development teams to bring services in-house and improve long-term maintainability.
  • Security assurance. Supporting audits, penetration tests and remediation activity from an infrastructure perspective.
Jun 2025 — Jul 2026

Senior Cloud Engineer

VFX Financial PLC

  • Modernised delivery. Improved CI/CD reliability, consistency and delivery speed across platform services.
  • Migrated infrastructure as code. Moved automation from PowerShell to Terraform for repeatable, scalable provisioning.
  • Reduced cloud costs. Identified and delivered savings without compromising performance, resilience or security.
Mar 2024 — Jun 2025

Senior DevOps Engineer

Matrix Security Watchdog

  • Designed the core platform. Led implementation and cost optimisation with high availability and security by design.
  • Improved automation and security. Strengthened IaC, cloud management, posture and GitLab processes for scalable delivery.
  • Enabled teams. Mentored junior engineers and worked with architects and stakeholders on CI/CD improvement.
Nov 2020 — Mar 2024

DevOps Engineer

Matrix Security Watchdog

  • Built resilient infrastructure. Used Terraform, Kubernetes, Azure and GitLab to deliver a highly available 24/7/365 service.
  • Accelerated releases. Reduced production deployment times by 65% through CI/CD optimisation.
  • Reduced vulnerability windows. Automated patching to cut vulnerability lifetime windows by 90%.
Feb 2019 — Nov 2020

Digital Solutions Consultant

Security Watchdog

  • Introduced Azure Sentinel. Implemented Azure Sentinel in preview, improving visibility across the estate.
  • Delivered critical change. Managed a telephony migration and partnered with Microsoft on business-critical issues.
  • Supported compliance. Helped information-security teams enforce policy and compliance.

Selected impact

Work that makes a measurable difference.

01

Core platform evolution

A stronger platform foundation that helps teams ship securely and quickly.

  • Terraform-led infrastructure improvement
  • Faster production iteration
  • Continuous performance and cost tuning

02

Cloud cost optimisation

Right-sizing cloud resources without trading away reliability.

  • 30% cloud-spend reduction
  • Data-led cluster autoscaling
  • Kubernetes workload migration

03

Security & compliance overhaul

Automation that makes a secure default easier to maintain.

  • Automated Terraform patching
  • Shorter time-to-market
  • Improved infrastructure posture

Capabilities

The tools behind the outcomes.

Cloud & platform

Azure, Kubernetes, Helm and Linux infrastructure.

Automation

Terraform, Python, Bash and infrastructure as code.

Delivery

GitLab, CI/CD pipelines and pragmatic developer enablement.

Observability

Prometheus, Grafana and Elastic Stack.

Security

Azure Sentinel, DevSecOps, assurance and compliance.

Data

SQL querying, optimisation and database change.