Recommended expert

Dietrich (Dipl.-inf.) Clauß

Linux System Engineer

Dietrich Clauß
Glashütte, Germany

Experience

Mar 2025 - Jun 2025
4 months

Linux System Engineer

Personal Projects and Continuing Education

  • Skills: ACLs, Android, Ansible, Apache, Backup, Bash, BindFS, Modern C++, CFEngine, ClusterSSH, CSS, CUPS, Debian, DHCP, DNS, dovecot, exim4, Firewall, FUSE, GIMP, Git, gnupg, HTML, IMAP, IPv4, Kerberos, LDAP, LineageOS, Linux, Mercurial, NAT, Networking, NFSv4, OpenPGP, OpenSSH, OpenSSL, OpenVPN, PHP, pxelinux, Python, RAID, Responsive Web Design, Routing, Shorewall, SMTP, SSHFS, SSL/TLS, systemd, TFTP, UPS, VPN, X11, XMPP
Aug 2024 - Feb 2025
7 months

Cloud Service Engineer

SaaS Cloud Operating

  • Development & Operations (DevOps) to build a cloud service infrastructure for Cloud IAM services

  • Skills: Azure, Bash, CI/CD, Debian, DevOps, Docker, FluxCD, Git, GitOps, Grafana, HELM, Hyper-V, IAM, JSON, Keycloak, Kubernetes, Linux, Loki, Mirantis, Powershell, Prometheus, Ubuntu, YAML

  • Industry: Cloud IAM

Nov 2021 - Jul 2023
1 year 9 months

System and Network Administrator

ITK System Administration

  • Administration of high-availability IT, ERP systems, and telecommunication systems

  • Support (first-level, second-level, and partially third-level) for 250 employees at 3 locations

  • Skills: Apache, Atlassian (Confluence, Jira), Baramundi, Bash, Cisco (Firepower, Hyperflex, ISE, routers, switches, Umbrella), CrushFTP, CSS, DHCP, DNS, Firewall, Git, GitOps, HP ProLiant, HTML, ISO/IEC 27001, Kerberos, LDAP, Linux (Ubuntu, Debian, Raspberry Pi OS, Red Hat CentOS), LTO-7, MariaDB, Matrix42 EgoSecure, Microsoft (Active Directory, Exchange, Windows Server 2019/2016/2012, Windows 10, Office, Powershell), Monitoring (Check MK, ClusterSSH, Graylog, Elasticsearch, LogCheck, Nessus, Rsyslog, SyslogNG), Networking, ERP system PrintPlus, RAID, Raspberry Pi, SSH, SSL/TLS, SQL, Samba, Starface phone system, TCP/IP, UPS, Veeam Backup, VMware

  • Industry: Print

Feb 2016 - Feb 2016
1 month

Linux kernels for industrial PCs

  • Adapting Linux kernels to specific requirements of industrial PCs (special hardware, real-time)

  • Debugging driver issues in Linux

  • Creating Debian packages

  • Documentation

  • Skills: Bash, C, CAN, real-time, GNU toolchain, Linux

  • Industry: embedded computers, industrial PCs

  • Scope: 20 hours

Jan 2007 - Jun 2009
2 years 6 months
Dresden, Germany

Hardware Developer / Software Developer / Test Engineer

Public Solution GmbH

  • Developed software for a 32-bit ARM controller (drivers for hardware components, application programs for testing hardware components, embedded OS based on TNKernel)

  • Hardware development, building test circuits, hardware troubleshooting

  • Development of test rigs for automated product tests; setup and commissioning of test rigs at the supplier

  • Linux system administration

  • Used hardware: ARM7TDMI-S microcontroller (NXP LPC2000), Melexis RFID transceiver, Cypress PSoC (CapSense)

  • Skills: Assembler, ARM, Backup, Bash, C, ClusterSSH, DHCP, DMA, DNS, Doxygen, real-time, embedded, Firewall, GNU toolchain, GPIO, hardware, hardware troubleshooting, I2C, I2S, JTAG, Linux, soldering, microkernel, microcontroller, OpenOCD, PWM, RAID, RFID, Samba, SSH, SoC, SPI, TCP/IP, test automation, Trac, TNKernel, UART, unit testing, USB, UPS

  • Scope: permanent position (30 months, full-time)

Skills

Cloud Engineering

  • Kubernetes
  • Git
  • Yaml
  • Ci/cd
  • Gitops
  • Azure
  • Devops
  • Fluxcd
  • Docker
  • Keycloak
  • Grafana
  • Loki
  • Prometheus
  • Helm

Programming

  • Gnu Toolchain
  • C
  • Bash
  • C++
  • Powershell
  • Python
  • Assembly
  • Java
  • Perl
  • Lua

System Administration

  • Linux
  • Debian
  • Networking
  • Windows
  • Ubuntu
  • Rhel
  • Lineageos
  • Lvm
  • Mariadb/mysql
  • Backup
  • Apache
  • Rhel
  • Lineageos
  • Lvm
  • Mariadb/mysql

Networking / Security

  • Pgp
  • Ssh
  • Dhcp
  • Dns
  • Firewall
  • Kerberos
  • Ldap
  • Nfs
  • Vpn
  • Active Directory
  • Crushftp
  • Samba
  • Imap
  • Smtp
  • Ssl/tls
  • Nessus

Virtualization

  • Hyper-v
  • Vmware
  • Virtualbox

Tools

  • Gnu Toolchain
  • Baramundi
  • Clusterssh
  • Check Mk
  • Jira/confluence
  • Trac
  • Cfengine
  • Ansible

Embedded

  • Arm
  • Real-time (Rtos)
  • Microcontroller
  • Openocd
  • Soc
  • Tnkernel
  • Jtag

Www / Web Development

  • Responsive Web Design
  • Html
  • Css
  • Sql
  • Php

Hardware Development

  • Soldering
  • Troubleshooting

Cisco

  • Firepower
  • Hyperflex
  • Ise
  • Routers, Switches
  • Umbrella

Documentation

  • Latex
  • Doxygen

Miscellaneous

  • Musixtex
  • Audacity
  • Gimp
  • Inkscape
  • Iso/iec 27001

Languages

German
Native
English
Advanced
Russian
Elementary

Education

Oct 1996 - Jun 2005

TU Dresden

Diploma in Computer Science · Computer Science · Dresden, Germany

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