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 general team, guided by respect, integrity, and a passion for doing better every day.

Job Description

The team is responsible for the development & operations of Monitoring and DataAnalytics Tools for the Network Control Platform of Deutsche Telekom Germany (AAA Fixed Net Germany). We are looking for two DevOps Engineer with a strong focus on monitoring and observability. The candidate will take end-to-end responsibility for our monitoring platforms and help evolve them across both traditional infrastructure and cloud-native environments.

Qualifications

- Operate, maintain, and continuously improve monitoring and observability platforms.
- Administer and optimize tools such as Checkmk, Grafana, and Kibana.
- Design monitoring concepts for VMware environments and Kubernetes-based cloud platforms.
- Implement and improve observability based on metrics, logs, traces, and alerts.
- Work with OpenTelemetry concepts, including collectors, exporters, metrics, logs, and traces.
- Build and maintain dashboards, alerting rules, and operational KPIs.
- Automate monitoring-related tasks, configurations, and deployments using DevOps practices.
- Integrate monitoring and observability components into CI/CD pipelines.
- Collaborate closely with platform, infrastructure, development, and operations teams.
- Create and maintain technical documentation, preferably in English.




- Rollout management throughout the entire application lifecycle based on ITIL/corporate processes (Incident/problem/change)
- Collaborate closely with internal customers

Requirement:

Must-have Requirements:

- Strong experience with monitoring and observability tools, especially Checkmk, Grafana, and Kibana.
- Good understanding of OpenTelemetry and modern observability concepts.
- Experience with VMware and Kubernetes-based cloud environments.
- Knowledge of container technologies such as Docker or similar runtimes.
- Familiarity with DevOps and CI/CD tools such as GitLab, GitLab CI/CD, Artifactory, and Git.
- Scripting or programming skills, preferably in Python and Bash.
- Experience with APIs, YAML, JSON, and automation of operational tasks.
- Some knowledge understanding of networking basics, such as DNS, load balancing, and firewalls.
- Strong teamwork, communication skills, and a structured, solution-oriented mindset.

Nice-to-have Requirements:

- Experience in classic and agile forms of cooperation.

Additional Information

What do we offer you?

Work environment & flexibility

- International, dynamic and collaborative environment.
- T-Social: social initiatives (sports, community, health, ...).
- Customized training: access to Coursera to learn whatever you want, whenever you want.
- Weekly language classes (English, Spanish & German).
- International Mentoring Sessions & Experience Days.
- 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!

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

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📌 Devops - Monitoring (m/f/d) (Madrid)
🏢 T-Systems Iberia
📍 Madrid