Skills and Services

• System administration (CentOS, Debian, Arch Linux, FreeBSD)
• System integration and system solutions (Linux / Unix)
• File services Linux / Windows (NFS, NIS, Samba, Kerberos, LDAP)
• Computer Cluster (LSF, Torque+Maui, OpenMPI, OpenMP)
• Development (Shell, Python, Perl, C/C++, Java, Fortran, Julia)
• Build Tools (cmake, make)
• System monitoring (Nagios, Icinga, Cacti, Monit)
  
• (S)CM (Mercurial, Git, SVN, GitHub)
  
• Configuration management (Ansible, Puppet)
• Web technologies (nginx, Apache, Lighttpd, LDAP, http(s), etc.)
  
• Web applications (Django, Python, Leaflet)
• Mail technologies (POP3, IMAP, Postfix, Exim4, Dovecot)
• Virtualization (KVM, Docker, Linux Container LXC)
• Visualization / GUI (Qt, Tkinter, SciPy, Matplotlib, Gnuplot, Jupyter)
• Databases (MySQL / MariaDB, SQLite, PostgreSQL, NoSQL: MongoDB)
• Markup languages (JSON, YAML, XML, TOML)
• Documentation (CMS / Wiki, HTML, SGML, LaTeX)
  
• Teaching (Linux / Unix, Shell, Fortran, Julia)
• Web pages and CMS: Creation and  Support
• Management: experience with Kanban, Scrum, Jira
• Scientific Computing

The topics in bold represent my current focus areas. Underlined are technologies I am currently working with or have worked with in the recent past within these focus areas.