Senior Platform Engineer
Hybrid · Dublin, Leinster, Ireland
Job Summary
Senior Platform Engineer responsible for building and maintaining scalable, secure AWS-based cloud infrastructure powering AI-first assessment solutions. Build, maintain and improve a highly available, scalable infrastructure on AWS; provide end-to-end provisioning, configuration, and release ecosystem to support an AI-first engineering team; leverage AI tools to boost productivity; collaborate with cross-functional teams to ensure seamless product delivery; contribute to infrastructure as code (Terraform) and automation with Ansible; deploy and manage Dockerized services and databases (MariaDB/PostgreSQL on RDS); monitor and optimize systems using Datadog and CloudWatch; operate from Dublin with a hybrid work arrangement.
Required Qualifications
- 6+ years of experience developing and working with large-scale production systems
- Strong proficiency in Python
- 2 years development experience in at least one programming language beyond scripting (ideally PHP or Python)
- Advanced proficiency in POSIX shell scripting (awk, sed, grep, etc.)
- Experience with GitHub and GitHub Actions/Workflows
- Strong version control skills using Git
- Advanced Linux skills (iptables, systemd, logging, diagnosis, etc.)
- Experience with Docker and containerized applications
- Experience with Infrastructure as Code (Terraform) for provisioning and managing scalable cloud infrastructure
- Automation and configuration management with Ansible (playbook development, orchestration, deployment automation)
- Experience with AWS services (EC2, ALB/NLB, VPCs, IAM, RDS, ECS, Route53, CloudFront)
- Database experience (MariaDB & PostgreSQL on Amazon RDS)
- Familiarity with metrics/monitoring systems (Datadog, CloudWatch)
- Attention to detail and strong documentation skills
- Experience leading projects (planning, orchestration, migration, deployment, delivery)
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