Your Task Join the Mobile DNS Squad responsible for the end-to-end lifecycle, operation and evolution of Deutsche Telekom's critical DNS infrastructure. You will work closely with suppliers, DevOps engineers and operations teams to design, integrate, deploy, monitor and troubleshoot the Mobile DNS platform.

Key Responsibilities

Implement and operate physical, virtualized and containerized systems
Analyze, troubleshoot and document incidents and system malfunctions
Improve automated failover, deployment and disaster recovery processes
Develop and optimize automation scripts using Ansible, Bash, Perl and Python
Implement changes across test, reference and production environments
Develop monitoring and data analysis capabilities
Collaborate with cross-functional teams to ensure service reliability and resilience

Your Profile

We are looking for a qualified DNS Infrastructure Engineer with strong technical expertise in DNS technologies, automation, networking, and Linux administration to support Deutsche Telekom's critical Mobile DNS infrastructure.

Must Have Skills

Experience with DNS technologies including BIND, PowerDNS, DoH, DoT, and DoQ
Strong Ansible automation experience
Knowledge of IP networking and routing
Experience with LAN/WAN technologies
Wireshark troubleshooting skills
Experience with monitoring tools including Grafana, CheckMK, and Telegraf
Linux administration experience, particularly Red Hat 9 and SUSE 15
Strong analytical skills
Strong problem-solving capabilities
Quality awareness
Experience working in agile teams
English language proficiency

Nice to Have Skills

Telecommunications industry experience

DevOps Engineer (m/f/d) Mobile DNS

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