David Aizenberg — CV

Senior DevOps Engineer · 10+ years experience

DevOps Engineer bridging infrastructure and development. Cloud-native solutions, GitOps workflows, resilient CI/CD pipelines.

Piła, Poland [email protected] aizenberg.co.uk English (fluent) · Russian (fluent) · Lithuanian (proficient)

Experience

Lumia · DevOps / Platform Engineer 2025.04 – Present

Automated provisioning for 40+ servers across multi-cloud. Comprehensive observability stack. Post-quantum mesh networks. Blockchain nodes, signing services, trading systems.

Cryptocurrency Company · Senior DevOps Engineer 2020.12 – 2025.03

Multi-region orchestration for 50+ microservices. GitOps with ephemeral review environments. Observability platform. Secrets management, service mesh encryption. Support and tooling for 20+ engineers.

SecurEdge Networks · Software Consultant 2020.04 – 2020.12

Containerized legacy apps. Custom CLI tooling for Developers and QA automation. Enterprise network authentication. 802.1X, AAA, RADIUS, EAP.

E-Farm GmbH · Lead Developer / DevOps 2016.02 – 2020.01

Monolith to microservices migration. CI/CD pipelines. Centralized logging. 10x-100x latency reduction for core business metrics. Hybrid cloud Architecture.

UAB JT Company · System Administrator 2014.01 – 2014.12

70+ workstations/servers across 3 offices. Firewalls, site-to-site VPNs, access controls. Hardware diagnostics and component level electronics repair.

Skills

Infrastructure
Hybrid Cloud, AWS, Bare Metal, Serverless
Containers
Kubernetes, Docker, Helm
Delivery
Komodo, ArgoCD, GitHub Actions
IaC
Terraform, Ansible, Python
Observability
Prometheus, Grafana, VictoriaMetrics, OpenSearch
AI/Agents
LLM APIs, RAG, Prompt Engineering, Tool Use
Data
PostgreSQL, MongoDB, Redis, RabbitMQ
Security
Vault, mTLS, cert-manager