Senior Software Engineer - Cloud Platform (m/f/d/x)
- Hiring from
- Germany
- Work type
- Hybrid
- Posted
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WE DELIVER TECHNOLOGY SOLUTIONS CONNECTING YOUR WORLD!
Group Network Technology (GNT) is a key part of Deutsche Telekom, where international teams shape and deliver innovative telecommunications IT and network technology solutions across Europe - from architecture and engineering to development, testing, infrastructure, and operations.
In Cloud, we build and operate Deutsche Telekom’s on-prem Telco Cloud across all layers - from hardware to orchestration - based on open-source technologies. This is where modern infrastructure meets real-world impact at scale.
Our chapter-based model creates a strong home for expertise, learning, and collaboration - empowering people to grow, contribute in agile teams, and thrive in an inclusive environment while making a meaningful difference for our customers.
What you'll be doing
- Design, develop, test, and continuously improve cloud-native CaaS and PaaS capabilities, primarily using Go.
- Develop Kubernetes operators and controllers to automate cluster, platform, and application lifecycle processes.
- Engineer a highly automated Kubernetes platform based on Cluster API and integrate it with the surrounding infrastructure.
- Develop and maintain CI/CD and GitOps workflows using technologies such as GitLab CI/CD, Helm, Flux, or Argo CD.
- Improve the platform’s scalability, reliability, security, observability, and performance.
- Support the migration of existing Kubernetes clusters and contribute improvements to relevant open-source projects.
- Take ownership of complex engineering topics, troubleshooting, and root cause analysis.
- Collaborate with international engineering and operations teams, provide technical guidance, and mentor other engineers.
What we are looking for
- University degree in Computer Science, Telecommunication Engineering, Information Systems, or comparable qualification.
- Fluent in English, verbally and written.
- 5+ years of experience in cloud-native environments, with a proven track record in DevOps and platform engineering.
Must-Have Skills
- You are characterized by detailed company-specific knowledge or exceptional specialist knowledge and skills:
- Strong software-development experience with Go, including backend services, microservices, or distributed systems.
- Hands-on experience developing Kubernetes operators or controllers and working with Kubernetes APIs.
- In-depth Kubernetes knowledge, including platform or cluster lifecycle management and troubleshooting.
- Experience with Cluster API or comparable cluster-automation technologies.
- Experience with automated testing, code reviews, API design, secure coding, and technical documentation.
- Experience with CI/CD and GitOps tools such as GitLab CI/CD, Helm, Flux, or Argo CD.
- Understanding of observability and cloud-native security principles.
Nice-to-Have Skills
- Experience with controller-runtime, Kubebuilder, or open-source contributions.
- Knowledge of advanced Kubernetes networking, multi-cluster environments, or Infrastructure as Code.
- Experience integrating Kubernetes with OpenStack, VMware, bare-metal, storage, or networking infrastructure.
- Telecommunications, OSS/BSS, or large-scale private-cloud experience.
- Don't worry if you miss some of these skills – we are here to grow and develop you.
Social skills
- A mindset of continuous learning, willingness to share knowledge and learn from others.
- Ability to innovate and find solutions to complex problems.
- Being a strong individual contributor and an empathic team player.
- Being supportive to colleagues and a mentor for junior coworkers.
- Ability to communicate effectively with different stakeholders in the company up to management level.
What We Offer
Flexible Working & Remote Options: Enjoy a healthy work-life balance with trust-based working hours and hybrid/mobile work possibilities.
Attractive Compensation & Benefits: A competitive salary package including corporate pension schemes and performance-based incentives.
Cutting-Edge Tech Stack & Hardware: Work with modern tools and cloud technologies (Kubernetes, Go, Cloud native) and choose your preferred high-end workstation.
Continuous Learning & Growth: Access to personal development budgets, technical certifications, training programs, and conferences.
Work-Life Balance & Wellbeing: 30 days of paid vacation, health and wellness initiatives, and various employee discount programs.
Collaborative Culture: Flat hierarchies, agile methodologies, and an open team environment where your ideas and contributions truly make an impact.
About Deutsche Telekom AG
We feel as much at home in Bonn as we do in the 50 other countries around the globe where we provide our services. As one of the leading telecommunications providers in Europe, we also have a footprint in the markets in Asia and the United States. We're on our way to become one of the industry's top service companies and want you to help us to get there.
Do you think this job is made just for you? Then use the chance to apply online now! In case of equal qualification, disabled candidates will be considered preferentially. We look forward to getting in contact with you!
Your application to job advertisements outside of Deutsche Telekom AG may also be processed outside of Deutsche Telekom AG in other countries in Europe. This also applies to the processing of applications to subsidiaries of Deutsche Telekom AG. We would therefore like to make our employees with civil servant status aware of the following: you are not obligated to include documents relevant to your personnel records, in particular civil servant assessments. However, you are free to provide these documents on a voluntary basis.
This position is also available on a part-time basis.
People with severe disabilities will be given priority consideration if equally qualified.
For technical questions, please contact clemens.loos@telekom.de
