Systems that survive.

Senior IT Systems Engineer. Backup, monitoring and automation for infrastructure that isn't allowed to fail: hospitals, data centers, critical services. 15 years in IT. Germany · remote-friendly.

of data restored after a ransomware attack: 60 TB
user accounts brought back to work: 12 000
data centers under one monitoring system: 3
IT and medical integrations supported: 700+

Track record

2020 – 2023

Ransomware recovery

University Hospital Düsseldorf

When a cyberattack encrypted the hospital's systems, I took a key role in the recovery: 60 TB of data and Active Directory access for 12,000 staff restored, a hardened Veeam backup infrastructure designed from scratch, a temporary data-center container procured so the hospital could keep operating. Promoted to team lead: 8 engineers, full data-center rebuild.

2015 – 2020

Monitoring at scale

University Hospital Düsseldorf

Designed and rolled out enterprise-wide Zabbix monitoring for three data centers and 12,000 users. Automated server patching and restarts with PowerShell and Python. Coordinated a team of three through 700+ IT and medical system integrations.

2023 – now

Logging for critical infrastructure

Helios IT Service GmbH

Building a centralized logging and monitoring platform for KRITIS hospitals. Splunk as SIEM, migration from Icinga2 to CheckMK, automated reporting, anomaly detection together with security teams.

Before that

2017 – 2018Technical Project Manager · Ayacandas GmbHBuilt the company's IT infrastructure and technical processes from zero.
2011 – 2014IT Systems Engineer / Workshop Lead · K&M ComputerHardware, customer service, workshop operations and staff training.

Own products

Built, shipped and operated end-to-end: product, backend, servers, deployment.

Splav

live product

A service for a crew rafting down the Vistula. Started as trip booking, grew into the crew's operations center: personal balances, shared packing duty, a live map of the raft on the river and a Telegram bot that runs the group.

availability calendar
personal balance ledger
auto-priced trips
Telegram topics per trip
live river map
crew packing checklist
drinks calculator
admin console

splav.syshate.com

Getholda

live product

Booking and client management for therapists and coaches. Clients book their own sessions; the platform takes the admin routine out of a private practice.

flexible schedule and session types
group events with co-therapists
recurring bookings up to a year
client notes and homework
video call and calendar integration
timezone-safe reminders
installs like an app

getholda.com

Wishlistme

live product

Wishlists and group gifting. Add items from any store, friends chip in for expensive gifts together, reservations stay hidden from the wishlist owner.

wishlist in 30 seconds
items from any store
group gifting pots
hidden reservations
product data auto-fetch
multi-currency

wishlistme.app

The server underneath

infrastructure

Everything above, including this site, runs on infrastructure I operate myself: containerized services, automated deployments, HTTPS everywhere and monitoring, naturally. Practice what you preach.

self-hosted

Stack

Backup & Recovery

Veeam
Data Domain
SAN storage
High availability
Disaster recovery

Monitoring & Logging

Zabbix
CheckMK
PRTG
Splunk
ELK Stack
Grafana

Automation

PowerShell
Python
Bash
PowerCLI

Infrastructure

Windows Server
Linux
Virtualization
Networking
Docker

Cloud

Hybrid backup
Azure
AWS

Languages

German native
Russian native
English B2

Open source since 2015: small Zabbix tooling lives at github.com/sysHate

Let's talk.

The fastest way to reach me is LinkedIn. I answer there.

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