Orin McDonogh
Dublin,Ireland
Summary
DevOps / Cloud Engineer with hands-on experience building and operating cloud-native, distributed systems for telecom platforms handling high-throughput traffic. Strong focus on reliability, automation, and scalability, with experience designing Kubernetes-based platforms, infrastructure automation with Terraform, and improving observability across production systems. Comfortable owning systems end-to-end in small teams and solving complex operational challenges through software engineering.
Overview
4
4
years of professional experience
4
4
years of post-secondary education
Work history
DevOps / Cloud Engineer
Cellusys
2024.07 - 2026.04
- Led migration of telecom platform from VM-based deployments to cloud-native Kubernetes architecture, containerising microservices and building Helm-based deployment systems
- Designed and operated high-availability systems handling telecom signalling traffic (3G–5G, VoLTE)
- Implemented geo-redundant and distributed deployments across multi-node clusters
- Built and maintained CI/CD pipelines (GitLab)
- Designed cloud-native logging pipeline
- Supported production deployments and troubleshooting for external customers
Software Developer Intern
SAP
2023.01 - 2024.01
- Developed internal tooling using JavaScript and TypeScript
- Created automated testing solutions for installation processes
- Collaborated in an agile development team
SQL / Frontend Developer
Outdoor Living
2022.01 - 2023.01
- Managed product data and website content using Magento and SAP Business One
- Developed Python scripts to automate workflows
Education
BSc - Computer Science
Technological University Dublin
2020.01 - 2024.01
Skills
- Languages: Python, JavaScript, TypeScript, Java, SQL
- Cloud & Infrastructure: Kubernetes, Docker, Terraform, Proxmox, OpenShift/OKD
- CI/CD: GitLab CI/CD
- Observability: Elasticsearch, Kibana, Filebeat
- Messaging / Systems: Kafka, Redis, Celery
- Frameworks & Tools: FastAPI, Django, Helm, Ansible
Projects
Infrastructure Automation Platform
- Built internal self-service platform to provision VM environments on-demand using Terraform and Proxmox
- Developed backend using FastAPI with Celery + Redis for async task execution
- Eliminated manual provisioning workflows, improving consistency and resource management
- Enabled full lifecycle management (provisioning, tracking, teardown) of environments
Kubernetes Deployment Automation
- Developed automated deployment tooling using Helmfile and scripting to enable near “one-click” environment setup
- Reduced manual setup effort and improved reproducibility across development and testing environments
Improvement of Logging Architecture
- Identified scaling issue with shared persistent storage causing slow pod startup times
- Redesigned logging approach to use stateless stdout-based logging with centralized aggregation
- Improved system startup times, observability, and operational reliability
Cryptocurrency Trading Web App
- Built full-stack app using Django, Docker, PostgreSQL, NGINX
- Integrated Coinbase API with OAuth2
- Developed ML models (XGBoost, LSTM)
- Deployed on AWS EC2
Timeline
DevOps / Cloud Engineer
Cellusys
2024.07 - 2026.04
Software Developer Intern
SAP
2023.01 - 2024.01
SQL / Frontend Developer
Outdoor Living
2022.01 - 2023.01
BSc - Computer Science
Technological University Dublin
2020.01 - 2024.01