DevOps Engineer with DNS Knowledge (m/f/d)

At T-Systems, you will find groundbreaking projects that contribute to social and ecological well-being. We want to welcome new talents like you, who bring fresh ideas, different perspectives, embrace challenges, and are committed to continuous learning in order to grow and make an impact on society... all in a fun way!

It doesn't matter when or where you work. It's about doing meaningful work that advances society. For this reason, we will do everything possible to ensure that you have all the development opportunities by providing a support network, excellent technology, a new work environment, and the freedom to work autonomously. We support you in growing both personally and professionally so that you can make a notable impact on society.

T-Systems is a team of around 28,000 employees worldwide, making us one of the leading global providers of end-to-end integrated solutions. We develop hybrid cloud solutions, artificial intelligence, and drive the digital transformation of companies, industries, the public sector, and ultimately, society as a whole

Project Description

At the Telco Hub in Madrid, we are pioneers in merging IT and Telco, building and scaling Telco as a Platform (TaaP) on our proprietary layered cloud. Our teams operate in cross-country and cross-functional squads, delivering cutting-edge services to Europe's most valued Operator.

Our mission is to create the best customer experience based on three core principles:

✅ Cloud-based – Harnessing the latest technologies for scalability and performance.

✅ Automated – Driving efficiency through AI, automation, and DevOps.

✅ Sustainable – Building a future-ready, environmentally conscious infrastructure.

We are looking for top engineering talent eager to grow technically and professionally in an innovative, dynamic, and collaborative environment. If you are passionate about shaping the future of telecommunications, this is your place!

The DNS Squad (consisting of 12 team members) holds the end-to-end responsibility for the resolving and authoritative DNS systems for Deutsche Telekom AG.

These platforms are part of the critical infrastructure and are central core components of our german network.

The Team is responsible for the entire lifecycle and further development.

We are looking for two DevOps Engineers to join our team for the Mobile DNS platform.

This platform is resolving all DNS Requests out of the mobile network.

You will be working closely with our supplier and devops engineers to design, integrate, deploy, monitor, and

troubleshoot the mobile DNS platform.

Activity description and concrete tasks:

- Implementation and operation of physical, virtualized and containerized system environments

- Analysis, troubleshooting and documentation of system malfunctions

- Regular checks and refinement of automated processes and strategies such as failover, deployment and disaster recovery to ensure a highly available and resilient system with minimum recovery time

- Identification, documentation and structuring of new test use cases

- Optimization (Development) of scripts (Ansible, Bash, Perl, Python)

- Implementing changes in test, reference and productive systems to enhance system stability and/or provide new features

- Development of new methods and tools for data analysis and monitoring

- Cooperate with cross-functional teams to ensure end-to-end system functionality

- Collaborate closely with the german operations team to streamline processes, enhance software, tools and system performance and apply innovative technologies and concepts

Mandatory skills:

- fundamental knowledge of DNS (Bind & PowerDNS, DoH/DoT/DoQ) --> preferably you have worked in a TelCo company

- proficiency in using as well as adapting Ansible is a must

- experience with IP networks, router and LAN/WAN technologies as well as troubleshooting them with tracing tools (e.g. wireshark)

- hands-on experience of monitoring systems (Grafana, CheckMK, Telegraf, …)

- extensive know-how in working on and configuring Linux-based operating systems (RedHat9 and Suse15)

Optional skills:

- very good analytical skills combined with strong quality awareness

- experience in classic and agile forms of cooperation

Additional info

Being on-call for round about 8 weeks per year and rarely performing changes outside of regular working hours

*CV in English is a must-have.

What do we offer you?

• International, positive, dynamic and motivated work environment.
• Hybrid work model (telecommuting/on-site).
• Flexible schedule.
• Continuous training: Certification preparation, access to Coursera, weekly English and German classes...
• Flexible compensation plan: medical insurance, restaurant tickets, day care, transportation allowances...
• Life and accident insurance.
• More than 26 working days of vacation per year.
• Social fund.
• Free service in specialists (doctors, physiotherapists, nutritionists, psychologists, lawyers...).
• 100% of salary in case of 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.