Job Summary: We are seeking an Open Source Systems Administrator to join a specialized team within a multinational technology company, managing critical services and participating in high-impact projects. Key Highlights: 1. Participation in large-scale and high-impact projects 2. Advanced and collaborative technical environment 3. Technical reference within the team Open Source Systems Administrator (K8s/Cloud) Do you have experience working with Linux environments and cloud technologies such as Kubernetes or Docker? Are you interested in participating in large-scale projects within an advanced technical environment? This opportunity may be for you! We are looking for an Open Source Systems Administrator to join a specialized team within a multinational technology company, where you will participate in managing critical services and high-impact projects, working in a collaborative and demanding environment. **Main Responsibilities:** Incident resolution and request management for critical systems Participation in the implementation of technology projects Acting as the technical reference within the team Preparation of technical documentation and procedures Participation in the rotating on-call team What do we offer? Permanent contract **Location:** Central Barcelona, Rambla de Catalunya, 33\. **Remote work:** 40 Flexible working hours. Salary up to €48\.000 gross per year **On-call participation:** One week per month, with additional financial compensation for availability and interventions **Flexible compensation:** Meal card, transport card, nursery vouchers, and collective health insurance. Employee discounts via the Corporate Benefits platform. Free training programs. You will join a company committed to equal opportunities for all individuals, striving to maintain an inclusive and discrimination-free workplace. We value diversity and will consider all applications regardless of origin, gender, age, religion, sexual orientation, or any other personal characteristic. In the event you are selected as a finalist and offered a position at NexTReT, we will request additional information solely to verify the details provided in your CV—particularly academic qualifications and relevant professional experience. If you have questions regarding how to provide partial information, please inform the person handling your recruitment process. Kubernetes, Openshift, Docker, Azure AKS, Ubuntu, RHEL, Rocky Linux, Ansible, Python, Apache, Nginx