This position will support our SaaSemail platform, providing service to large customers for tens of millions of end users. Core competencies required include automated deployment, virtualization and mail protocols.You will be expected to provide quick resolution of difficult technical problems and we are asking you to share your major contributions regarding technical architecture, documentation and systems project management. The close cooperation between you and the Services and Engineering teams in the rest of the larger Open-Xchange organization, means growth opportunities abound inside and outside the team. In other words, this position is a great opportunity to build a career track. Ideally you are located in Germany next to one of our development office in Olpe, Dortmund, Bremen or Hamburg, but you can also be located in any other city in Europe.

Your job



Assist with administering mission-critical software such as Dovecot, LDAP, Galera, Cassandra



Hardware installation and troubleshooting



Ensure availability, scalability and performance of the Linux Server environment



Shell scripting



Server deployment, configuration and management using Ansible / Chef



Monitor system logs and activities



Design operations and implementation scripts and automation; configure and write supporting documentation



Assist with security audit and compliance tasks



Perform security hardening via group policies, local policies, scripting, etc.



Document architecture and essential function methodology



Participate in a 24 x 7 on-call rotation supporting and collaborate with global operations teams



Lead and assist in areas of technical innovations and cost savings



What do you bring to the table



Bachelor’s degree in a related field or 8+ years of experience working with Linux



Solid experience of 5+ years in scripting in either bash, perl, python or ruby



Ideally experience with OpenStack, Ansible/Chef, Dovecot, Cassandra & Java



Solid understanding of networking (the OSI model, TCP, IP, routing, firewalls & load balancers) and storage concepts (iSCSI, fiber channel, LVM and NFS)



Familiarity with cloud infrastructure and virtualization technologies including OpenStack and/or VMware.



Experience with object storage platforms like Scality, Ceph & SWIFT



Understanding of multi-tiered applications



Experience with logging technologies such as Graylog, Kibana, or Splunk



Interest in learning new technologies and working with proof of concepts to promote new technologies



Willingness to do some domestic and international travel



Excellent written and verbal communication skills; willingness to present technical information to a group



What we offer