Douglas Garstang

About Douglas Garstang

Lead DevOps & Infrastructure Engineer with over 25 years of experience architecting scalable, secure, and automated cloud environments within the Google Cloud Platform (GCP) ecosystem. Expert in Infrastructure as Code (IaC), specializing in Terraform Enterprise, HashiCorp Vault, and Python-driven automation to achieve 90%+ efficiency gains in certificate management and environment provisioning. A forward-thinking technical leader who leverages Google Gemini AI to accelerate development cycles and reduce technical debt. Proven track record of leading global deployments (EU, JP, NA), modernizing legacy CI/CD pipelines, and mentoring high-performing engineering teams.

Experience

1. Senior Site Reliability Engineer

   Clover

   Apr 2019 — Present · Sunnyvale, US

   AI-Driven Velocity: Leveraged Google Gemini AI to accelerate the development of complex Python/Go CLI tools and automate technical documentation, reducing the \"time-to-first-commit\" for new infrastructure modules by 40%.* Engineering Lead: Architected nit-tools (Python/Go CLI) to unify Jira, Vault, and GitHub APIs, reducing workflow friction for 50% of the infrastructure team.* Infrastructure Consolidation: Led a 3-week refactor of 20+ sprawling Git repositories into a single, modular IaC project using Terraform and HCL.* Global Expansion: Served as technical lead for EU & JP deployments, automating core infrastructure and DNS scaffolding via Terraform, Puppet, and Vault.* OS Modernization: Built CI/CD pipelines using Packer and Shell to automate secure Rocky Linux image creation with integrated Trivy vulnerability scanning.* Security Automation: Developed \"certman\"(Python) and REST API tools to automate the rotation of 80+ public SSL certificates via HashiCorp Vault, achieving 95% efficiency gains.* Platform Stability: Re-engineered lifecycle processes for Terraform Enterprise and Vault, managing complex upgrades and semantic versioning for core modules.Migration: Orchestrated the migration of on-premise Rundeck and corporate apps (Artifactory, Jenkins) to GCP, optimizing for cloud scalability.* Pipeline Optimization: Constructed automated build/deploy pipelines in Jenkins and GitHub Actions, enforcing strict PR/code review workflows.

Education

• Western Sydney University

  B.Bus, Computing and Information Management

Skills

• Perl
• Cloud Computing
• Solaris
• Tomcat
• Dns
• Python
• Linux
• Virtualization
• Ubuntu
• Centos
• Nagios
• Operating Systems
• Puppet
• Subversion
• Distributed Systems
• San
• Servers
• System Architecture
• Xml
• Amazon Web Services (Aws)
• Storage
• Integration
• Cacti
• Vmware Esx
• Jboss Application Server
• Amazon Ec2
• Apache
• Networking
• Redhat
• Scalability
• Testing
• Voip
• Asterisk
• Oracle
• Shell Scripting
• Bash
• Sip
• Mysql
• Switches
• Red Hat Linux