Experience
Jul 2024 - Present
1 year 2 months
- Migration and operation of Zabbix, including migrating historical data from PostgreSQL and providing it in Influx
- Deployment with Docker (Dockerfiles, Compose) via GitLab CI/CD and Ansible
Feb 2024 - Present
1 year 7 months
- Took over IT management, including leading the development and infrastructure teams of 7 people
- Migration from Scaleway to AWS
- Migration of firewalls to OPNsense
Jan 2024 - Jul 2024
7 months
- Consulting for a Swiss cloud and balancing energy provider in project management and architecture
Jul 2023 - Jan 2024
7 months
- Integration into the balancing energy market for Sweden (planned: Finland, Germany, and Spain)
- Design of an EDM based on PLCs, Node.js, Telegraf, and a time-series database (displayed in Grafana)
- Optimization of existing balancing energy offerings (FCRd up)
- Integration of batteries into FCRd and a/mFRR
- Design and optimization of decision trees for internal offer and profitability optimization
- Monitoring assets with Zabbix
- Inventory management with Netbox
- Log server with Fluentd
- CI/CD pipeline based on GitLab-CE
- Use of Kubernetes with Helm
- Use of a Proxmox cluster with CEPH
- Infrastructure-as-Code and Configuration-as-Code with Ansible and Terraform
Mar 2023 - Jul 2023
5 months
- Monitoring assets with Zabbix, including the cluster with PROD and QA systems as well as proxies in RLP, APAC, EMEA, and the USA
- Upgrade from Zabbix version 6.0 (LTS) to 6.4.x
- Asset overview with AucoNet (PROD and QA systems, 5 nodes: Master, RLP, APAC, EMEA, and the USA)
- Revision of operation manuals
Jul 2022 - Jun 2024
2 years
- Use of CheckMK Enterprise
- Consulting on Ansible CI/CD pipelines and Linux system operations
Nov 2021 - Oct 2022
1 year
- Set up a redundant data center with Proxmox and Ceph for the electronic patient record and VPN access service
Jun 2019 - Sep 2019
4 months
- Creation of an operations manual and an IT security policy for the BaFin audit
May 2019 - Oct 2019
6 months
- Migration of systems to Proxmox and Univention Corporate Server
- Migration from Microsoft Exchange to Kopano (UCS)
- Implementation of Benno mail archive
- Deployment of Zabbix monitoring and other IT systems
Apr 2019 - Dec 2019
9 months
- Introduction of Grafana for graphical evaluation of energy data not captured in IngSoft InterWatt
Jan 2018 - Dec 2020
3 years
- Consulting and implementing various projects, including replacements and energy data integration
Feb 2017 - Jun 2017
5 months
- Relocating the telecommunications infrastructure
- Advising on the EU tender for a new telecommunications system
Jan 2004 - Dec 2004
1 year
- Setting up infrastructure like Windows and Linux servers, including Nagios, LAMP with Joomla, and other systems.