SeniorSystemAdministrator(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. 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 env