Senior System Administrator (Linux, Networking & Automation) (m/f/d)

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. What You Will Do: - 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. 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. What do we offer you? - International, positive, dynamic and motivated work environment. - Hybrid work model (telecommuting/on-site). - Flexible schedule. - Continuous training: Certification preparation, access to Coursera, weekly English and German classes... - Flexible compensation plan: medical insurance, restaurant tickets, day care, transportation allowances... - Life and accident insurance. - More than 26 working days of vacation per year. - Social fund. - Free service in specialists (doctors, physiotherapists, nutritionists, psychologists, lawyers...). - 100% of salary in case of 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.