Linux Systems Engineer
Posted 15 Oct 2026
Advertised as “Linux Systems Engineer in Domains Retail Operations team (hybrid)”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 4+ yrs
- Management level
- Individual contributor
- Employment
- Hybrid
No salary listed for this role.
About IONOS
At IONOS, we don't just manage servers – we shape the digital future for more than 6.2 million customers worldwide with our solutions. As Europe's leading hosting provider and a pioneer in independent cloud solutions, we are building next-generation infrastructure – from sovereign cloud architectures and high-performance GPU clusters to integrated AI automation tools.
What drives us is digital sovereignty for Europe and real impact for small and medium-sized businesses (SMBs) as well as large enterprises. We work in agile teams, rely on transparent structures, and believe that excellence and innovation only emerge through true team spirit.
Ready for your next step? Become part of IONOS and grow with us.
At IONOS, we don't just manage servers – we shape the digital future for more than 6.2 million customers worldwide with our solutions. As Europe's leading hosting provider and a pioneer in independent cloud solutions, we are building next-generation infrastructure – from sovereign cloud architectures and high-performance GPU clusters to integrated AI automation tools.
What drives us is digital sovereignty for Europe and real impact for small and medium-sized businesses (SMBs) as well as large enterprises. We work in agile teams, rely on transparent structures, and believe that excellence and innovation only emerge through true team spirit.
Ready for your next step? Become part of IONOS and grow with us.
About the teamWe are the infrastructure team behind three of the group’s major products: Domains, DNS, and SSL. Together we run and look after around 700 servers, the platform that keeps these services available, secure, and performing for customers every day. Because these products sit at the core of the internet infrastructure our customers rely on, reliability and uptime are at the center of everything we do.
The team has 4 Linux systems engineers, a mix of senior and mid-level colleagues, who share ownership of provisioning, configuration management, and monitoring. Everyone takes part in the on-call rotation, and knowledge is shared so that no single person is a bottleneck.
About the product
The new colleague will contribute to the platform behind three of the group’s core products**: Domains, DNS, and SSL.** The three products are closely connected, they share infrastructure, tooling, and operational practices. These are mature, actively maintained products operating at scale. The focus is on keeping them reliable and performant while continuing to grow capacity, modernize the stack, and improve automation.
Main responsibilities:
- Work together with development teams, system operators and operate web applications;