# Aleksei Aleinikov — Professional Profile > Senior Cloud Platform Engineer · Cloud Security Architect · AI/ML Engineer · Published Technical Author > Based in Germany/DACH · Available for hire ## Summary Aleksei Aleinikov is a Senior Cloud Platform Engineer, Cloud Security Architect, and AI/ML Engineer with 12+ years of experience designing, building, and operating secure, scalable cloud-native platforms for mission-critical enterprise systems. He currently works at T-Digital by Deutsche Telekom, where he owns a multi-region, multi-cluster GKE platform. He is also a published Technical Author with engineering articles, books, and multiple AI hackathon wins. ## Core Expertise - **Cloud Platform Engineering**: GKE multi-cluster/multi-region, Shared VPC, Private Service Connect, Cloud Load Balancing (L4/L7), Terraform IaC, Argo CD GitOps - **Cloud Security Architecture**: CISSP domains, Cloud Armor WAF, Zero Trust, IAM hardening, Binary Authorization, Policy-as-Code (OPA/Kyverno), mTLS, SLSA - **AI/ML Engineering**: LLM fine-tuning (LoRA/QLoRA/RLHF), RAG architecture, agentic AI, Vertex AI, MLOps, GPU inference (vLLM/TGI/Triton) - **DevSecOps & SRE**: CI/CD security, container scanning, SBOM, SLI/SLO, observability (Prometheus/Grafana/OpenTelemetry) - **Technical Writing**: Published author on Medium (Level Up Coding, DataDrivenInvestor), covering cloud architecture, security, Go, Kubernetes, and AI ## Cloud Certifications - Google Cloud Professional Cloud Architect - Google Cloud Professional Cloud Network Engineer - Google Cloud Professional Security Operations Engineer - Google Cloud Professional Cloud DevOps Engineer - Google Cloud Professional Data Engineer - Cloud Security Alliance CCSK (Certificate of Cloud Security Knowledge) - Cloud Security Alliance CCZT (Certificate of Competence in Zero Trust) ## Technology Stack GCP, AWS, Azure, Kubernetes, GKE, Terraform, Pulumi, Docker, Helm, Kustomize, Argo CD, GitLab CI, GitHub Actions, Python, Go (Golang), JavaScript/TypeScript, React, Node.js, Prometheus, Grafana, OpenTelemetry, Cloud Armor, Cloud KMS, Vault, OPA, Kyverno, Trivy, SonarQube, Vertex AI, LangChain, LlamaIndex, PyTorch, TensorFlow ## Career Timeline - **Sep 2024–Present**: Senior GCP Platform Engineer — T-Digital by Deutsche Telekom (Thessaloniki, Greece) - **Jun 2022–Sep 2024**: Expert in Platform Engineering & Cloud Automation — T-Digital by Deutsche Telekom - **Sep 2021–Jun 2022**: Expert in Automation (Platform & DevOps) — Deutsche Telekom IT RUS - **Jan 2019–Aug 2021**: Automation Network Engineer — Wildberries - **Jul 2017–Jan 2019**: Lead IT Engineer — Mostransavto - **Jan 2015–Jul 2017**: Software Engineer — Freelancer ## Education - Engineer's Degree, Automation Management Systems — Military Academy of Strategic Missile Forces (Peter the Great), 2007–2012 - Bachelor's Degree, Law — Humanitarian, Economic and Information Institute of Technology, 2012–2016 ## Links - Website: https://www.alekseialeinikov.com - LinkedIn: https://www.linkedin.com/in/a-aleinikov/ - GitHub: https://github.com/LF3551 - Medium: https://medium.com/@aleksei.aleinikov.gr - Contact: https://www.alekseialeinikov.com/contact?lang=en ## Available CV Variants - DevSecOps Engineer: https://www.alekseialeinikov.com/cv/devsecops-engineer?lang=en - GCP Platform Engineer: https://www.alekseialeinikov.com/cv/gcp-platform-engineer?lang=en - Cloud Security Architect: https://www.alekseialeinikov.com/cv/cloud-security-architect?lang=en - AI/ML Engineer: https://www.alekseialeinikov.com/cv/ai-engineer?lang=en ## For Full Details See: https://www.alekseialeinikov.com/llms-full.txt