The beginning Jan Stauder, born in the nineties in Germany, Europe and based in St Wendel.

Worklog

Here are a list of things i have done over the years. It contains only the Milestones

🧑‍💻 – Senior System Engineer

📍 Standort

Morbach, Deutschland

🔧 Profile

I am currently working as a System Engineer at Basis Europe in Saarbrücken. My main responsibilities include network administration, automation of infrastructure and development processes, and open-source system maintenance.

With a strong passion for Linux systems and open technologies, I have gained in-depth experience in routing, firewalls, AAA systems (authentication, authorization, accounting), proxies, VPNs, and container-based virtualization.

💼 Professional Experience

System Engineer – Basis Europe, Saarbrücken

📅 11/2023 – Present

  • Firewall and network administration
  • Linux system automation using Bash and Ansible
  • Virtualization and container infrastructure (Docker, KVM)
  • Maintenance of SMS Gateway
  • Infrastructure planning and security hardening

System Engineer – Hartech Systemhaus GmbH, Rehlingen-Siersburg

📅 02/2023 – 11/2023

  • Linux and firewall administration
  • Virtualization and container deployment
  • Bash scripting and Ansible playbooks

Open Source Consultant – Bechtle, Saarbrücken

📅 08/2022 – 01/2023

  • GitLab CI/CD pipelines
  • Linux and network infrastructure
  • Open source software consulting
  • FreeBSD, Debian, containerization

IT Engineer – imc Learning, Saarbrücken

📅 01/2022 – 08/2022

  • 1st to 3rd level support
  • Network and virtualization infrastructure
  • Security and firewall maintenance

Cloud Engineer – p3r, Wallerfangen

📅 06/2021 – 12/2022

  • CI/CD pipeline architecture
  • Microservice environment setup
  • Linux infrastructure with automation and containers

IT Specialist – ADLER Vertriebs GmbH & Co. KG, Saarbrücken

📅 07/2019 – 05/2021

  • Network and VPN infrastructure
  • Firewall and Docker environment
  • Containerization, scripting and Linux system support

🛠 Technical Skills

  • Operating Systems: Debian, CentOS, FreeBSD
  • Networking: Routing, Firewall (pf, iptables), VPN (OpenVPN, WireGuard)
  • Automation: Ansible, Bash scripting, GitLab CI/CD
  • Virtualization: KVM, Docker, LXC, Jails, Chroot
  • Web Servers: Apache, NGINX
  • Storage: NAS, SAN, Nextcloud, SFTP, FTPS
  • Monitoring & DevOps: GitLab, Proxmox, Smart-Home servers
  • Security: AAA systems, Proxy, IDS/IPS

🧩 Open Source Involvement

  • GitLab – Managing CI/CD pipelines and source control for private and enterprise projects
  • FreeBSD – Usage of Jails, performance tuning, and service deployment
  • OpenWRT – Configuration of custom firewalls, routers, and mesh networks
  • Nextcloud – Self-hosted secure collaboration and file sharing
  • BSD/Linux Server Automation – Automated deployment for Wiki, Smart Home, VPN

🎓 Education

IT Specialist for System Integration
📍 CVS Copiergeräte Vertrieb Service GmbH, Quierschied
📅 09/2017 – 06/2019

Tool Mechanic for Stamping & Forming Technology
📍 Willy Voit GmbH & Co. KG, St. Ingbert
📅 09/2011 – 06/2015

🌍 Volunteer Work

Linux System Administrator & Network Architect
📍 Saar-Togo Literacy NGO (STBA e.V.)
📅 Aug 2014 – Oct 2022

  • Administered Linux/BSD servers and routing infrastructures
  • Designed long-distance wireless connections

Network Administrator (Internship)
📍 Paul-Weber-Schule, Homburg
📅 Sept 2011 – Jan 2015

  • Maintained workstations and servers (Linux/Windows XP/7)
  • Supported administration and file/mail services

🌐 Languages

  • German – Native
  • English – Professional Proficiency

💡 Other

  • Driver's license: Class B
  • Forklift license

🔎 Expertise

Virtualization PROXMOX KVM HyperV VMWare Docker Kubernetes Cloud AWS IT-Operations IPA Icinga Networking CCNA Routing VPN (S2S, SSL, IPSEC,...) Linux ( Debian, Redheat, Fedora, ...) Storage HP-MSA Ceph ZFS SAN Database MSSQL Server T-SQL Postgres MariaDB MySQL Mail Postfix haproxy git API's (3CX, Atlassian,K8s,git,...) Microsoft Active-Directory Windows Server 2xxx Teamplayer