Staff Site Reliability Engineer (f/m/d)
Summary
As a Staff Site Reliability Engineer at IONOS (Europe's leading hosting/cloud provider), you design, provision, migrate, and operate distributed, highly available management services on Linux and Kubernetes, building in-house K8s operators and full-stack automation from hardware to application, with monitoring/observability and on-call rotation. Core tech: Linux, Kubernetes, Go/Python, and observa
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.
Our team of highly motivated infrastructure service experts is looking for more teammates. As a Site Reliability Engineer, you will plan, implement, migrate and operate together with other SREs our management services.
Our responsibilities begin with the design of a service and we ensure that our operational requirements will make it to the metal together with the product requirements.
In a culture with an emphasis on creative ideas, agile working methods, initiative, and participation you can expect the following tasks:
Tasks
- Provision, operate and migrate distributed, highly available services on Linux / K8s.
- Improve and develop the full stack from hardware over OS to the application including configuration management and monitoring.
- Development and maintain in-house built K8s operators.
- Support our developers to automate operational tasks and rollouts, provide interfaces for integration for other teams.
- Administration and troubleshooting of our highly available and complex infrastructure including participation in an on-call service rotation.
- Support company goals through efficient operating architecture, active lifecycle management and lean processes in an agile DevOps environment, operate certified, security-relevant infrastructure.
Qualifications
- You have a keen interest in infrastructure topics, good network knowledge.
- Hands-on experience with the administration of complex services on Linux/K8s.
- Infrastructure as code and automation are important parts of your own way of working, like us, you are a fan of Open Source, especially Linux.
- Good knowledge with system-level development of highly available software artifacts, written in programming or scripting languages like Go and Python.
- Has worked with observability stacks (Loki, Prometheus, Mimir, Grafana).
- The ability to communicate with an international team fluently in English, German is a benefit.
- Willingness to undergo extended security vetting (SÜ2).
Benefits
- Hybrid working model.
- Flexible working hours through trust-based working hours.
- At some locations a subsidized canteen and various free drinks.
- Modern office space with very good transport connections.
- Various employee discounts for activities and products.
- Employee events such as summer and winter parties, as well as workshops.
- Numerous training and development opportunities.
- Various health offers, such as sports and health courses.
Application Note
We value diversity and welcome all applications – regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.
Skills
As published by greenhouse · 9 questions
Basics
First Name, Last Name, Email, Phone, Resume/CV, Cover Letter, Location
Short answers (2)
- What is your current notice period? optional
- What are your yearly salary expectations for this role?
Pick from a list (7)
- How did you hear about this position?
- This role requires an extended security vetting process (SÜ2) in accordance with § 10 SÜG. Are you willing to consent to and actively participate in this vetting process?
- If you do not live in Berlin, would you be willing to relocate?
- Do you have a work permit to work in the country in which the role is based?
- Would you agree to us forwarding your application documents to other departments? optional
- Have you worked at IONOS in the past? optional
- I agree that my application documents and all other personal data that I have submitted to IONOS SE as part of my application may be transmitted in the IONOS talent pool and used for a maximum of 2 years by IONOS SE and its affiliates - including in third countries - for other job advertisements. I can revoke my consent at any time at jobs@ionos.com.