David Letcher
I’m David Letcher, a Senior Technical Specialist with extensive experience across finance, defence, and communications.
About
I’m David Letcher, a Senior Technical Specialist with extensive experience across finance, defence, and communications. I specialize in system migration, deployment automation, and infrastructure modernization, and I’m passionate about turning complex challenges into reliable, scalable solutions.
I’ve led Linux-based migrations, cloud deployments, and monitoring implementations, built automation with Ansible, Jenkins, Docker, AWS, and VMware, and I enjoy mentoring technical teams to achieve high-performance results.
- 27 years' experience
- Joined January 2026
Industry experience
- Financial Services
- Telecommunications
- Government
- Software & Internet
- Professional Services
Work experience· 24 roles
Analyse CFMEU Membership system and create test cases for new Transform system. Raise and resolve Jira tickets. Liaise with external development and technical staff.
Analyse and maintain Linux-based backend PHP/Laravel booking system with MySQL. Built several Linux systems for Apache-based DEV environment and AWS Linux-based EC2/S3 UAT system. Generate weekly DB exports for fallback. Upgrade infrastructure (PHP and Laravel versions). Add new functionality per client requirements.
Migrated FreeBSD to Debian Linux: upgraded Apache v1 and Perl applications to latest versions on new OS. Updated Perl and JavaScript applications with Auth0 integration. Implemented Ansible-based deployment of WebTrak to all production and test environments. Configured DataDog monitoring for server health. Deployed AWS EC2, Route 53, and ELB via CodeDeploy and Ansible. Converted Bitbucket repositories to GitHub. Implemented WSL2 instances on PCs for Linux access. Fixed legacy Y2K bug and identified/resolved deadlock issues in major product.
Education
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