Portrait of Raphael Stadler

IT architect and
system administrator

Freelance CI/CD & DevOps, Linux infrastructure, and IT-Security. Day-to-day work is mostly automation and integration in Python (other stacks when a project calls for them).

Salzburg/Vienna, Austria · remote-friendly within EU time zones Typically available on request.

Interested in a project or a conversation? Get in touch.

Experience

How recent work clusters.

Automation, delivery & platforms

Python, GitLab CI/CD, Git, Bash; Docker and Kubernetes; pipeline automation and release engineering. Also Java, PowerShell, C, Batch, and Assembly if necessary.

Infrastructure & operating systems

Arch Linux, Debian, Ubuntu; Proxmox; Windows Server. Reverse proxies and web fronts: HAProxy, Apache2, Nginx.

Data, observability & collaboration

MariaDB, PostgreSQL, Redis, InfluxDB. Grafana, Icinga2. Mail: Postfix, Dovecot, Rspamd. Nextcloud; Matrix (Synapse); PHP application stacks.

Security, networking & IT-Security

IPv6, QUIC, TLS 1.3; GPG / PGP. Perimeter and host: WireGuard, iptables, fail2ban, ufw. Storage and sharing: ZFS, NFS, SMB.

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Career

Freelance engagements, partners, and earlier roles.

Partners

Employment & internships

  • Working student @ Rohde & Schwarz (2020–2025)
  • Sales, computer department @ MediaMarkt / Saturn, Salzburg (2019–2020)
  • Internships: conova (Salzburg datacenter), Salzburg Congress, University of Salzburg

Education

Formal degrees and vocational training.

Further studies & training

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