Job ID: 744000159398761

DevOps Engineer (m/f/d) Mobile DNS

Madrid

Professional

Regular

T-Systems Iberia

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

About Us

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.

Benefits

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

Work Environment & Flexibility

- International, dynamic and collaborative environment
- T-Social: social initiatives (sports, community, health, etc.)
- 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

Application Information

If you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English.

T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.

Additional Details

- Working language: English
- On-call duties approximately eight weeks per year
- Occasional out-of-hours maintenance activities

Job Benefits

Health & Insurance

- Flexible compensation plan (health insurance, meal vouchers, childcare, transport)
- Telemedicine
- Life and accident insurance

Work-Life Balance

- 26+ working days of vacation per year
- Hybrid work model (remote/on-site)
- Adaptable working hours
- 100% salary coverage during medical leave

Professional Development

- Customized training: access to Coursera to learn whatever you want, whenever you want
- Weekly language classes (English & German)
- International Mentoring Sessions & Experience Days

Lifestyle & Wellness

- T-Social: social initiatives (sports, community, health, ...)
- Free access to specialist services (medical, legal, wellness)
- Social fund

📌 DevOps Engineer (m/f/d) Mobile DNS (Madrid)
🏢 T-Mobile
📍 Madrid