About the Position

Specialist System Engineer for DNS and Observability team (hybrid)

About the Company

At IONOS, 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.

Responsibilities

Collaborate with the squad to design, develop, and operate highly-available services on Linux, ensuring seamless integration with operational and product requirements.
Take ownership of the full stack - from hardware to application, including configuration management and monitoring - and drive continuous improvement.
Contribute to our open-source projects, such as DIM (github.com/ionos-cloud/dim) and monzero (github.com/ionos-cloud/monzero), and help shape the future of our infrastructure.
Apply rigorous blast-radius and risk assessment to every change you propose, especially when AI tooling is in the loop.
Participate in an on-call service rotation, ensuring the smooth operation of our complex infrastructure.

Requirements

A completed computer science degree or equivalent qualification.
3+ years of practical experience administering 100+ Linux systems (Debian/CentOS/EL) across 3+ data centers.
Experience with monitoring, configuration, VCS, and visualization tools (Icinga2, Puppet, Ansible, git, Grafana).
Understanding of modern software architectures and their deployment (REST, microservices, Docker, CI/CD).
Knowledge of network and infrastructure services (DNS, BGP, VLANs, firewalling, IPv6).
Scripting/programming knowledge (bash, Python, Go, Java, etc.).
Experience with AI-assisted infrastructure development (Copilot, Claude Code, Cursor or similar) - including the lessons learned.

Nice to Have

Excellent communication skills in English (German is a plus).

We Offer

Access to local/international trainings, development and growth opportunities, including access to e-learning platforms.
Modern technologies, product responsibility.
Flexible work schedule.
Hybrid work option.
Medical services package from one of two private providers.
25 vacation days per year.
Substitute days off for public holidays that occur on the weekend.
Meal tickets.
Internal referral program.
Employee anniversary program.
Team events, networking events organized to promote a passionate, creative and diverse culture.
Summerfest and Winterfest parties.
Coffee, soft drinks, and fresh fruits provided in the office.

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.

Apply now and join our team of Infrastructure Experts to shape the future of our services.

Specialist System Engineer for DNS and Observability team

Job description