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DevOps Engineer – Mobile DNS (m/f/d)

Hybrid in Madrid·Full-time·Added today (last checked 3 Nov)

T-Systems Iberia

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Our summary

Work mode: Hybrid, Madrid
Contract: Full-time
English: Required
Benefits: Private health insurance, flexible pay plan, meal vouchers

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Skills

Nice to have

Mentoring

Requirements

Qualifications

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.

The role

Company Description

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.

Job Description

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.

Additional Information

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.

Hiring process

Apply online through the job portal; plan for six to eight weeks from application to acceptance

Applications are accepted only through the online job portal.
Status and next steps are visible in the applicant profile's applications overview.
Group-level statement from T-Systems International, not specific to Iberia.

About T-Systems Iberia

T-Systems Iberia is the Spanish subsidiary of T-Systems, the digital services arm of Deutsche Telekom, one of the world's leading telecommunications and IT services providers. T-Systems offers a broad range of IT services including cloud computing, cybersecurity, AI, data analytics, and enterprise application management, serving large enterprises and public sector clients. With a global workforce of tens of thousands, T-Systems operates across multiple countries, and its Iberia branch is a key hub for software development, cloud architecture, and public sector digitalization projects.

In Spain, T-Systems Iberia has offices in Madrid and Barcelona, and it is a significant employer of IT professionals, particularly in areas like SAP, cloud architecture, AI, and public administration solutions. The company is known for its stable, corporate environment, offering opportunities for international professionals to work on large-scale projects for both Spanish and European clients. Many roles require English, and some require German, reflecting the company's cross-border operations. T-Systems Iberia is an attractive option for those seeking a well-established, multinational IT employer with a strong focus on innovation and public sector work.

Industry: IT Services
Founded: 2000
Employees: 30,000–50,000
Headquarters: Frankfurt, Germany
In Spain: Madrid, Barcelona

Good to know if you are moving

T-Systems Iberia has offices in Madrid and Barcelona, offering opportunities in two of Spain's most dynamic tech hubs.
The company is part of Deutsche Telekom, providing access to a large international network and potential career mobility across Europe.
Many roles require or prefer German language skills, which can be an advantage for German-speaking professionals.
T-Systems Iberia works extensively with the Spanish public sector, offering stable, long-term projects.
The company supports relocation and offers a multicultural work environment with employees from various countries.

All open roles at T-Systems Iberia