DevOps Engineer
London Stock Exchange Group Finland
2023–2025
Work
Owned cloud infrastructure, reliability, and delivery systems for regulated financial platforms across trading and surveillance domains, operating in high-availability environments where system failure directly impacts business operations.
Impact
- • Reduced cloud costs by 35% (~$75K/year) by introducing governance models and usage controls across multi-account environments.
- • Led migration of regulated workloads from on-prem to cloud, redesigning architecture for isolation, security, and scalability.
- • Introduced Chaos Engineering practices to simulate failures and improve resilience, reducing downtime by 20%.
- • Owned end-to-end delivery systems (infrastructure + CI/CD), reducing deployment time by 40% and errors by 35%.
- • Defined and enforced Kubernetes RBAC and network segmentation for secure multi-team environments.
- • Led incident response, root cause analysis, and reliability improvements across production systems.
- • Introduced AI-assisted DevOps automation with governance controls to prevent sensitive data exposure.
Stack Preview
- GitLab CI
- Docker
- Kubernetes
- ArgoCD
- Ansible
- Terraform
- AWS
- Azure
- Python
- Go
- Jira
- Confluence
- Prometheus
- Grafana
- Datadog
- PostgreSQL
