Freelancer profile translated to English.
Back to original languageAbout Daniel
I am a passionate IT professional with the most experience in Linux environments and am currently working on specializing further in the IT security sector.
Specific in-depth experience in:
- Automation with Ansible
- Application virtualization with Docker
- Python Scripting
- Virtualization with Proxmox
- General system administration on Debian-based systems
In addition, I privately manage various server projects, which continuously expand my know-how in many other areas.
I have also fully supported communities technically, which among other things required:
- Identity Access Management (IAM) including SSO for all supported applications
- Email and web services (Mailcow, Stalwart, Plesk)
- Ticketing system (Zammad)
- Monitoring (various, including Grafana, CheckMK, Zabbix)
- File sharing with Nextcloud
- CRM set up as needed with EspoCRM
This naturally also includes the configuration of various physical and virtual servers, routers/firewalls (OPNsense), various (Wireguard) VPN connections (S2S, E2S), and much more.
German
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- Otto-Friedrich-Universität BambergIT Security SpecialistJuly 2024 - Today (1 year and 11 months)Full-time employment, tasks so far:- Operate central VPN service- Expand admin tiering on Linux systems, including automation of PAWs, network segmentation, firewalls with Ansible.- General system administration
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Education
- IT Specialist System IntegrationOtto Friedrich University Bamberg2024
Certifications
- Information Security Officer (ISB)DFN-Cert2024