Quick Summary
Do you have experience working with Linux environments and cloud technologies like Kubernetes or Docker? Are you interested in participating in large-scale projects within an advanced technical environment? This opportunity could be for you!
We are seeking an Opensource Systems Administrator to join a specialized team within a technological multinational. In this role, you will manage critical services and contribute to 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 technological projects
- Act as a technical reference within the team
- Preparation of technical documentation and procedures
- Participation in the rotating on-call team
What We Offer:
- Permanent contract
- Location: Barcelona city center, Rambla de Catalunya, 33.
- Remote work: 40%
- Flexible hours
- Salary up to €48,000 gross per year
- On-call participation: 1 week per month, with additional financial compensation for availability and interventions
- Flexible remuneration: Restaurant card, transport card, nursery tickets, and collective health insurance
- Employee discounts through the Corporate Benefits platform
- Free training
You will join a company committed to equal opportunities for all, striving to maintain an inclusive and discrimination-free work environment. We value diversity and consider all applications regardless of origin, gender, age, religion, sexual orientation, or any other personal characteristic.
“If you are considered a finalist and selected to join NexTReT, we will request additional information to process the hiring, with the sole purpose of reliably verifying the information on your CV, especially regarding academic qualifications and relevant professional information from the CV. If you have doubts about how to provide partial information, you can indicate it to the person managing your hiring, if applicable.
Essential Technical Knowledge:
- CFGS (MECES 1) or university degree
- More than 5 years of experience in similar environments
- Solid knowledge of Opensource operating systems (Ubuntu, RHEL, Rocky Linux)
- Experience with Apache, Nginx, HAProxy, and PHP
- Experience in operation and deployment with Kubernetes / Openshift
- Experience with Docker containers
- Knowledge of Azure AKS
- Experience in automation with Ansible
- Python programming
- Knowledge of Big Data environments (Hive)
- Experience in CI/CD (GitLab, Jenkins)
- Knowledge of ELK
- Teamwork ability, proactivity, and stress tolerance
Desirable Technical Knowledge:
- Knowledge of scalable Internet publishing infrastructures
- Experience with caching systems like Varnish
- Experience in the audiovisual sector
- Knowledge of Ceph and Proxmox


