Site Reliability Engineer (f/m/d) - DNS and Infrastructure

Join Our Team of Infrastructure Experts and Shape the Future of Our Services
We're a dynamic team of highly motivated infrastructure service experts, and we're looking for talented individuals like you to join our ranks. As a Site Reliability Engineer, you'll play a key role in planning, implementing, migrating, and operating our critical DNS, DHCP, NTP, and IP Management Services, working closely with system administrators and network engineers.

Tasks

• Collaborate with our team to design, develop, and operate high-available services on Linux, ensuring seamless integration with our operational requirements and product requirements.
• Take ownership of the full stack, from hardware to application, including configuration management and monitoring, and drive continuous improvement and development.
• 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.
• Support our system administrators in automating operational tasks and rollouts, and provide interfaces for integration with our hosting products.
• Participate in an on-call service rotation, ensuring the smooth operation of our complex infrastructure.

Qualifications

• A degree in Computer Science or a comparable education, with a strong interest in infrastructure topics and good network knowledge.
• 5+ years of hands-on experience in administering complex services on Linux, with expertise in infrastructure as code and automation.
• Several years of experience in system-near development of highly available software artifacts, using programming or scripting languages like Go, Python, Bash, and Java.
• Practical experience with operating DNS, NTP (ntpd, chrony, Meinberg), DHCP, and IP-Management.
• Familiarity with Puppet or other configuration management systems, and experience with Observability Stacks.
• A passion for Open Source, especially Linux, and excellent communication skills in English (German is a plus).

Our Tools and Methodologies:

• We use Puppet as our configuration management system, but we're open to candidates with experience in other systems like Ansible, CFEngine, or Salt.
• We believe in measuring everything, so you'll work with Observability Stacks (e.g., collectd/telegraf, metrictank, influx, Grafana) to monitor and improve our services.
• Our network engineers work with BGP and DNS, and we're looking for someone with experience in these areas.
• We also use iBGP, eBGP, anycast routing, and ECMP to ensure high availability and efficient traffic management.

Benefits

• Hybrid working model with home office option.
• 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.