Alexander Paul Wansiedler

DevOps | GitOps | SecOps Architect
π‘ Infrastructure engineer with extensive hands-on experience in enterprise-grade automation, Kubernetes orchestration, hybrid cloud architecture, and large-scale observability.
I specialize in building resilient, scalable, and secure CI/CD platforms, GitOps-first infrastructures, and developer-friendly cloud-native environments.
βοΈ Infrastructure as Code
Terraform / Ansible / Terragrunt / OpenTofu
- Multi-cluster inventory workflows
- Idempotent, modular playbooks for predictable, repeatable deployments
- Modular IaaC with DRY principles
- Secure infrastructure deployments on AWS/GCP/Yandex.Cloud/Azure
Pulumi
- Polyglot Infrastructure-as-Code with strong typing and modern SDK ergonomics
Winglang, SST
- Infrastructure & application code fusion with developer-first experience
π» Programming Languages
Go
- Building scalable microservices and distributed systems
- gRPC APIs, concurrent pipelines, instrumentation-first engineering
Python / Node
π CI/CD Pipelines
- GitHub Actions / GitLab CI/CD
- Octopus Deploy β Advanced release pipelines across multi-environment production systems
π± GitOps & Immutable Infrastructure
- ArgoCD, FluxCD β Git as a single source of truth for production
- Crossplane β Control planes as code
- HashiCorp Packer β Golden images across platforms
βΈοΈ Kubernetes & Cloud-Native Tooling
- Helm / Timoni / Helmfile
- Reliable K8s Helm releases via Helmfile orchestration
- OpenShift / Rancher / Deckhouse (with Flant support)
- EKS / RDS / VPC / IAM / Identity Center / OpenSearch / ElasticCache / ECR / S3 / Aurora PG
- AWS / GCP / Yandex.Cloud / Azure
- OpenStack integration and KaaS deployment
π§± Containers & Virtualization
- Docker / Podman
- Proxmox VE / Hyper-V
π‘ Observability, Logging & Tracing
Logging
- Graylog (SIEM)
- Loki
- Sentry
- Grafana OnCall + AlertManager
Tracing
- CNCF Jaeger
- OpenTelemetry / SigNoz
Monitoring
- Prometheus Stack / VictoriaMetrics / CloudWatch / Zabbix / Dynatrace
- Apache Airflow, Luigi (Workflow orchestration)
- Istio / Cilium / Traefik Mesh (Service Mesh & eBPF)
π¬ Messaging, Streaming & Databases
Relational
- PostgreSQL / MySQL / MS SQL
NoSQL
- ScyllaDB / HBase / MongoDB / BigTable / CockroachDB / YugabyteDB / ElasticSearch
Streaming & Eventing
- Kafka / RabbitMQ / NATS / Cassandra / Redis / ClickHouse
Distributed Storage
- Ceph
- CedrusData (Trino-compatible distributed SQL)
- Apache Doris (Real-time analytical data warehouse)
π Key-Value & Service Discovery
- etcd
- HashiCorp Consul
- Apache ZooKeeper
- DynamoDB
π‘οΈ Security & Secrets Management
- trivy, Snyk β Vulnerability scanning for containers and IaC
- SonarQube β Continuous inspection for clean, secure code
- The Update Framework (TUF) β Secure software delivery framework
- sealed-secrets, Vault β Secure secrets injection and encryption as a service
π Cluster Management
- Nomad β Lightweight, high-performance workload scheduler
- Waypoint β Developer workflows for building and deploying apps
βοΈ Proxy / Load Balancing
- Envoy Proxy β L7 traffic routing, service discovery, observability with gRPC/HTTP2-first architecture
π€ MLOps / LLMOps
- ZenML β Production pipelines and reproducible workflows for AI/ML systems
π‘ Philosophy
I believe in infrastructure as product β continuously evolving, observable, and developer-friendly. My goal is to empower teams through automation, self-service, and security-first design, whether weβre deploying microservices across continents or debugging a flaky container in dev.
π‘οΈ Certifications
- OpenJS Node.js Application Developer (JSNAD)
- OpenJS Node.js Services Developer (JSNSD)
- Certified Kubernetes Administrator (CKA)
- Certified Kubernetes Application Developer (CKAD)
- PCPP1β’ β Certified Professional in Python Programming (bonus points π)
π Selected Experience
Senior DevOps & Platform Engineer
Ippen Digital Media GmbH, Remote π©πͺ β 2021β2025
- Led GitOps transformation with ArgoCD and Terraform for multi-cloud systems.
- Built scalable CI/CD pipelines with GitLab and GitHub Actions.
- Automated infrastructure using Ansible, Pulumi, and HashiCorp tooling.
- Designed observability stack using Prometheus, Loki, Jaeger, Grafana.
- Hardened Kubernetes security and implemented shift-left scanning.
DevOps Lead / Cloud Architect
Lexx Software Co. Ltd., Moscow π·πΊ β 2015β2021
- Designed high-availability Kubernetes clusters on AWS and Proxmox.
- Integrated centralized logging and alerting systems (Graylog, AlertManager).
- Migrated on-premise workloads to containerized microservices with Helm.
- Enforced secrets management using Vault and OPA-based policies.
SysOps / Infrastructure Engineer
Intaro, Russia π·πΊ β 2004β2015
- Managed legacy VM infrastructure and transitioned to Dockerized workloads.
- Designed early CI/CD pipelines using Jenkins and Bash scripting.
- Automated provisioning using Ansible and Terraform for bare-metal clusters.
- Built custom load balancer solution using HAProxy + Consul.