DevOps Engineer – Mobile DNS (m/f/d)
Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Nov 3, 2026.
T-Systems is part of the Deutsche Telekom Group, with around 30.000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.
We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one global team, guided by respect, integrity, and a passion for doing better every day.
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.
Mandatory Skills
- 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 capabilities.
- Quality awareness and experience working in agile teams.
- Telecommunications industry experience is highly valued.
What do we offer you?
Additional Information
- Working language: English.
- On-call duties approximately eight weeks per year.
- Occasional out-of-hours maintenance activities.
Work environment & flexibility
- International, dynamic and collaborative environment.
- T-Social: social initiatives (sports, community, health, ...).
- Hybrid work model (remote/on-site).
- Flexible working hours.
Growth & development
- Customized training: access to Coursera to learn whatever you want, whenever you want.
- Weekly language classes (English & German).
- International Mentoring Sessions & Experience Days.
Compensation & benefits
- Flexible compensation plan (health insurance, meal vouchers, childcare, transport).
- Telemedicine.
- Life and accident insurance.
- Social fund.
Wellbeing & time off
- 26+ working days of vacation per year.
- Free access to specialist services (medical, legal, wellness).
- 100% salary coverage during medical leave.
And many more advantages of being part of T-Systems!
If you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English. Join our team!
T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.