Company Description 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.

As a

Cloud Architect for T Cloud Public, you will shape the next generation of our public cloud by enhancing and evolving the physical and virtual networking layers of our OpenStack-based platform.

Your Responsibilities Include

Designing, operating, and further developing OpenStack-based network services on the T Cloud Public platform in close collaboration with vendors and internal experts.

Planning and driving automation initiatives using modern frameworks to improve reliability and speed.

Enhancing the platform’s network architecture with strong focus on IT security and robustness.

Working closely with specialists across the Deutsche Telekom Group on topics related to public cloud and open‑source technologies.

Preparing technical materials, presenting architectural concepts, and advising management on strategic technology decisions.

Acting as a senior architect within an agile squad — supporting, mentoring, and guiding colleagues as part of everyday work.

Handling hands‑on tasks at the console to validate and support architectural decisions.

You want to…

Improve and modernise cloud platform architecture with IT security top of mind.

Design and develop innovative platform and SaaS features.

Be a trusted advisor in OpenStack-based public cloud technologies.

Work hands‑on and combine architecture with practical implementation.





Automate consistently using established frameworks.

Qualifications Must‑have requirements

Completed studies in a technical, engineering, or scientific subject — or equivalent professional training.

3–5 years of professional experience in IT with strong exposure to modern cloud technologies.

Deep knowledge of software, cloud, and container architectures.

Experience with infrastructure automation (e.g., Ansible, Terraform).

In‑depth knowledge of Linux, system tools and network related services.

Strong customer orientation and the ability to understand real‑world use cases.

Knowledge of agile development methods and experience working in agile teams.

Mentoring, presentation, and communication skills — you can explain complex concepts clearly.

Ability to evaluate technical solutions and propose creative, future‑proof approaches.

OpenStack knowledge and open‑source programming experience are strong pluses.

Fluency in written and spoken English.

Additional Information 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

Customised training: access to Coursera to learn whatever you want, whenever you want.

Weekly language classes (English & German).

International Mentoring Sessions & Experience Days.

Compensation & Benefits

Adaptable 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.

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

📌 Cloud Architect - T Cloud Public (m/f/d) (Madrid)
🏢 T-Systems Iberia
📍 Madrid