About Oleg
I am a Senior DevOps and Cloud Engineer with 10+ years of experience, specializing in AWS-native infrastructures, Kubernetes platforms, and large-scale data pipelines. Most recently I spent 5 years at Raiffeisen Bank building and operating cloud infrastructure for 100+ internal teams.
What I bring to your project:
AWS architecture and migration (EKS, S3, VPC, MSK, Glue, Athena)
Infrastructure as Code — Terraform/Terragrunt (expert level)
CI/CD pipelines — GitLab CI, ArgoCD, GitHub Actions
DataOps — Apache NiFi, Airflow, Kafka, PySpark
Security & compliance in regulated environments (ISO 27001)
I work remotely, communicate in English (C1), and am based in Stuttgart, Germany. Available immediately.
English
Fluent
German
Basic
Ukrainian
Native or bilingual
Russian
Native or bilingual
Can work on-site
Stuttgart (up to 50km)
Experience
- Raiffeisen BankDataOps / Cloud EngineerJanuary 2021 - January 2026 (5 years)• • Major Cloud Migration: Led the migration of Apache NiFi + NiFi Registry from on premises to AWS Cloud. Designed HA architecture and implemented it via Terraform/ Terragrunt.• • Platform Operations: Automated onboarding and provided platform support for 100+ internal project teams, reducing manual workload by 40%.• • IaC Standardization: Developed reusable internal Terraform modules for Big Data services (Airflow, PySpark), ensuring deployment consistency across the bank.• • Security Hardening: Managed access control via AWS Lakeformation and implemented proactive vulnerability management (Orca Security) to meet strict banking compliance.• • FinOps: Optimized cloud costs by 20% through resource right-sizing and advanced monitoring of Big Data workloads.
- UvocorpSystem AdministratorJanuary 2013 - January 2021 (8 years)• • Infrastructure Lead: Managed 100+ Linux/Windows servers, maintaining 99.9% uptime.• • Configuration Management: Automated provisioning with Puppet, reducing setup time by 70%.• • Monitoring: Deployed Zabbix from scratch, significantly reducing MTTR through proactive alerting.
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Education
- Diploma in Systems Administration (Professional Higher Education)Computer Academy STEP2012Diploma in Systems Administration (Professional Higher Education)