Systems
- Proxmox VE & LXC
- VMware & vCenter
- Linux administration
- Windows Server
- Active Directory
- Backup & Recovery
skills · qualifications
A broad foundation, clear focus areas.
Hands-on know-how from infrastructure, networking, automation and development.
skill areas
Four areas, one goal: operations that hold up.
Network
- MikroTik RouterOS
- Arista Switching
- Ubiquiti UniFi
- Routing & VPN
- Firewalling
- Network troubleshooting
Automation
- Python
- REST APIs
- Checkmk
- AWS as Code
- CloudFormation & CDK
- Operational workflows
Development
- Java 21
- Vulkan & LWJGL
- Gradle
- Git
- Technical documentation
- Debugging
aws · cloud · infrastructure as code
AWS: keeping changes under control.
To me, AWS is not a catalogue of individual services. What matters is the complete path from a well-founded architecture through verifiable infrastructure code to operations, diagnosis and recovery.
- IaC
- CDK · CloudFormation
- Serverless
- Lambda · Events · APIs
- Delivery
- Tests · change sets · gates
- Operations
- Monitoring · drift · recovery
Fields of application
Reproduce environments
Networking, permissions, storage and applications are described in versioned AWS CDK or CloudFormation code instead of being built by hand in the console.
CDK · CloudFormation · Stacks
Build APIs and event flows
Lambda, API Gateway, EventBridge and Step Functions connect small, clearly scoped components into scalable and traceable workflows.
Lambda · API Gateway · Events
Protect data deliberately
Encryption, blocked public access, versioning, retention and tightly scoped IAM permissions are carried along as verifiable standards.
S3 · KMS · IAM
Roll out changes in a controlled way
Synthesis, linting, tests, diffs and change sets provide a verifiable preview before deployment; approvals and rollback paths limit the risk.
Synth · Diff · Change Set
Explain state and failures
Metrics, logs, audit trails, drift and failed stack events are brought together so that causes are addressed, not just symptoms.
CloudWatch · CloudTrail · Drift
Extend hybrid setups sensibly
Cloud resources can complement local systems, for example as a controlled edge, offsite target or automation building block, without opening the internal network wholesale.
Edge · Backup · Automation
Guardrails
Security is a process, not a single switch.
- Least Privilege. Permissions are bound to specific actions and resources. Long-lived static access keys are not a default path.
- Secure defaults. Encryption, private access, logging and protection against accidental deletion belong in the resource definition.
- Preview before impact. CDK diff or CloudFormation change sets show the planned change. Replacements of stateful resources are reviewed explicitly.
- Plan for operations. Monitoring, cost, backups, runbooks and recovery are part of the architecture, not tasks for sometime after go-live.
knowledge project · aws
AWS IaC Field Guide
The AWS IaC Field Guide brings CloudFormation, AWS CDK v2 with Python, tests, change sets, drift, IAM, CI/CD and recovery together in one coherent working reference.
- 29
- chapters
- 30/30
- CLI checks
- v1.2
- current version
qualifications
Technology with responsibility.
Qualified electrical specialist
Safety officer
Fire safety assistant
First aid
Information electronics technician (devices, IT and office systems)
Languages
- Polish
- Native
- German
- Fluent
- English
- Fluent
career
Practice, responsibility and continuous learning.
Junior IT systems administrator
Infrastructure, virtualization, networking, security, monitoring and technical automation.
IT technician
Virtual infrastructure, Arista networks and support in production, administration and AV environments.
Information electronics technician
Apprenticeship focused on device, IT and office systems technology, fault analysis and technical documentation.