Matthew Callinan
Senior Cloud & Platform Engineer · SRE · DevOps
7+ years building and scaling cloud infrastructure across GCP and AWS using Kubernetes, Terraform, and automation-first practices. Passionate about site reliability engineering, platform tooling, and helping teams ship faster with confidence. Based in Melbourne, Australia.
Tech Stack
Cloud
GCP
AWS
Containers & Orchestration
Docker
Kubernetes
Helm
ArgoCD
Flux
Infrastructure as Code
Terraform
Crossplane
Config Connector
CI/CD
GH Actions
Harness
Jenkins
Observability
Prometheus
Grafana
OpenTelemetry
Dynatrace
Languages
Go
Python
Bash
Rust
Web & Frameworks
Hugo
Bootstrap
AI & Tooling
Ollama
Copilot
Claude
Gemini
Proficiency
Cloud
Programming
Architecture
Design
Mentoring
Work Experience
Senior Cloud Engineer
Endeavour Group
2025- Ownership over large-scale GCP environment
- Leading infrastructure uplift and Terraform adoption
- Delivered NCC Based network uplift for Business ERP Integrations
Platform Engineer — Expanded GCP Scope
Ramsay HealthCare - Through Innablr
2023 - 2024- Platform engineering focused on data pipeline infrastructure
- GCP Landing Zone architecture via Terraform
- VPC Service Controls implementation for Medical Data
- GitHub Actions self-hosted runners on GKE
- BigQuery data backup and recovery
Senior DevOps Engineer
Innablr
2022- Platform Engineer embedded in the ANZx / ANZ Plus project
- GKE architecture guidance and complex solution delivery
- Cost savings through Premptible VM adoption and workload optimization
- Resolved security vulnerabilities and upskilled team members
DevOps Engineer / SRE Lead
Innablr
2020 – 2022- Led SRE team on ANZx / ANZ Plus project
- Trained staff in reliability engineering practices
- Owned incident resolution and on-call response
- Created SLI/SLOs for key services
- Implemented monitoring and alerting with OpenTelemetry
- Drafted Runbooks and operational documentation
Associate Engineer
Innablr
2019- Built new GKE environment with an automation-first approach
- Began career as a DevOps / Platform Engineer
- Contributed to the development of internal tooling and automation scripts
- Built and supported 30+ Kubernetes clusters
Systems Administrator / Service Centre Manager
Centorrino Technologies
2015 – 2018- Started in helpdesk; progressed to managing service centre operations
- SOE specialist for server and workstation automation project work
- Scripted multiple automation tasks to improve efficiency
Education & Certifications
Github Actions Certified
Microsoft
2026
OpenTelemetry Certified Associate
Linux Foundation - OpenTelemetry Project
2026
Professional Cloud Architect
Google Cloud Platform Certification
2022
2026
GitOps at Scale
Argo CD — Codefresh Certification
2026
GitOps Fundamentals
Argo CD — Codefresh Certification
2024
Bachelor of Computer Science
La Trobe University · Major: Network Engineering · Minor: Security
2015 – 2018- Representative in the National Programming Challenge (2015, 2017)
