Tender for a Infrastructure and System Administrator (#201606-01)

The Document Foundation (TDF), the charitable entity behind the world’s leading free office suite LibreOffice, seeks a

Infrastructure and System Administrator

to start work as soon as possible. The role is scheduled for 40 hours a week. The work time is flexible and work happens from the applicant’s home office, which can be located anywhere in the world.

Our infrastructure is based on 4 large hypervisors with about 50 virtual machines running on them. In addition there are several bare-metal machines, additional backup servers, externally hosted virtual machines and services, split across three data centers and connected via dynamic routing.

Key technology used is

  • Debian 8, some legacy Ubuntu 12.04 and 14.04 machines eventually to be migrated
  • SaltStack for deployment
  • KVM as virtualization technology
  • GlusterFS for distributed storage
  • Icinga-based TKmon for monitoring
  • MikroTik routers and switches
  • IPMI-based Supermicro and ASUS bare metal hardware
  • documentation in RST text files
  • Git repositories
  • Sphinx as documentation generator

Tools we make use of

  • Nginx and Apache
  • Postfix, Dovecot, SpamAssassin, amavisd, ClamAV
  • Gitlab and Gitlab CI
  • MirrorBrain
  • PostgreSQL and MySQL
  • Gerrit, Bugzilla, Jenkins
  • AskBot, ownCloud, MediaWiki, Etherpad, Piwik
  • Silverstripe, WordPress
  • Plone
  • Redmine
  • gitolite
  • Kibana-based statistics dashboard
  • Pootle, MozTrap
  • rsnapshot, BackupPC
  • OpenVPN
  • LDAP
  • Graylog
  • Asterisk/Freeswitch
  • WebDAV
  • etc.

Skills we seek for

  • experience in administrating and maintaining a 24/7 production system
  • fluent in English
  • a good and pro-active communicator
  • documentation skills
  • mentoring skills to onboard new volunteers
  • sensible towards data privacy-related topics
  • ability to act quickly on critical security updates
  • expertise with DNS, SSL certificates and domain registration
  • development skills for developing our self-written tools is a plus

TDF welcomes applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.

As always, TDF will give some preference to individuals who have previously shown a commitment to TDF, including but not limited to members of TDF. Not being a member, or never having contributed before, does not exclude any applicants from consideration.

TDF is looking forward to receiving your applications, including curriculum vitae, your financial expectations, and the earliest date of your availability, via e-mail to Florian Effenberger at floeff@documentfoundation.org no later than July 15, 2016, midnight UTC. You can encrypt your message via PGP/GnuPG.

If you haven’t received feedback by August 15, 2016 your application could not be considered.

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