DevOps Engineer – Mobile DNS

About the role

T-Systems Iberia is looking for a DevOps Engineer to join the Mobile DNS squad, which is 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.

Required profile

• Mandatory DNS technologies: BIND, PowerDNS, DoH, DoT and DoQ.
• Strong Ansible automation experience.
• IP networking, routing, LAN/WAN and Wireshark troubleshooting.
• Monitoring tools including Grafana, CheckMK and Telegraf.
• Linux administration, particularly Red Hat 9 and SUSE 15.
• Additional skills: strong analytical and problem-solving abilities, quality awareness and experience in agile teams; telecommunications industry experience is highly valued.
• Working language: English.

What we offer

• Hybrid work model and flexible working hours.
• On-call duties of about eight weeks per year and occasional out-of-hours maintenance.
• Customized training, including access to Coursera, weekly English and German classes, international mentoring sessions and experience days.
• Flexible compensation plan (health insurance, meal vouchers, childcare, transport), telemedicine, life and accident insurance and a social fund.
• 26+ working days of vacation per year and specialist services coverage.