Senior Devops Engineer (m/f/d)

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!

T-CaaS (Telekom Cluster-as-a-Service) is  a platform jointly developed by Deutsche Telekom Technik GmbH and Technology Delivery International. This platform provides a managed Kubernetes clusters for all cloud-native applications, empowering application developers and owners across Deutsche Telekom and its national companies (NatCos) to do the following :

• Containerize their applications.
• Fast deploy and manage their application lifecycle.
• Operate at scale in production environments without worrying about the underlying infrastructure.

Deutsche Telekom Technik and Technology Delivery International are collaborating to create a unified/converged T-CaaS platform. The goal of T-CaaS Convergence is to achieve the following:

• Streamline the creation and management of kubernetes clusters.
• Guarantee carrier-grade quality for a shared cloud stack in Europe.
• Maintain high consistency in service delivery for the mass market.
• Enhance development and operations by consolidating resources and expertise.

You will help engineer a fully automated Kubernetes platform based on Cluster API that provides clusters to internal tenants. You will

• Write software to automatically deploy clusters, manage software components running on top of them and integrate with the surrounding infrastructure.
• Contribute to upstream open-source projects we consume to make improvements and fix bugs.
• Configure software components running on clusters to provide platform features.
• Support and enable the migration of existing Kubernetes clusters to the new management platform.
• Provide third-level support to the operations teams running Kubernetes platforms across europe.

Tools & Platforms:

• Git & GitLab.
• Kubernetes.
• Cluster API.
• Atlassian Jira, Confluence.

Optional:

• OpenStack (OpenStack API).
• vSphere vCenter (vCenter API).
• Baremetal Servers (Redfish API).
• Netbox (Netbox API).
• CI/CD Platform (GitLab-CI, GitHub Actions).

Skill requirements:

• English: fluent speaking and listening (B2).
• Solid sofware engineering experience (any languages, platforms).
• At least basic knowledge of Go, ideally using it for several years.
• Experience with microservice/cloud architecture (http apis, small decoupled programs).
• Strong background in using Kubernetes, preferably experience operating it as well.

Optional:

• Knowledge of controller-runtime (kubebuilder).
• Experience with Cluster API (or any of the alternatives).
• Contributions to open-source projects.

What do we offer you?  

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.