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 System Administrator, you bring deep knowledge of Linux and modern cloud technologies. You will play a key role in operating, maintaining, and continuously enhancing our T Cloud Public platform, always with a strong customer‑oriented mindset.

Responsibilities and Duties:

- Solve complex problems in the daily operation of a hyper-scaler's cloud backend.
- Install and configure software and hardware.
- Manage network devices.
- Monitor performance and maintain systems according to requirements.
- Troubleshoot issues.
- Ensure security through access controls, backups and firewalls.
- Consistently automate with common automation frameworks.
- Work in a team of specialists where everyone helps each other in an open and trusting manner.

Qualifications

Must-have requirements:

- Completed studies in a technical, engineering, or scientific field, or equivalent professional training.
- 5–7 years of professional IT experience with a focus on modern cloud technologies.




- Strong hands‑on experience with Linux, Bash, and network‑related services.
- Excellent knowledge of physical and virtual networks, routing, and firewalls.
- Extensive experience in infrastructure automation.
- High customer orientation and problem‑solving mindset.
- Knowledge of agile development processes is considered a plus.
- 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

- 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

- 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.

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.

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