**Description:** ---------------- If you are motivated to work in a critical and highly secure technological environment, this position will allow you to contribute your experience in UNIX/Linux systems and networks within a high-impact project in the aerospace sector. **Conditions** * Contract: Permanent * Work mode: 100% on-site * Workplace: Gavà (Barcelona) * Working hours: Standard office hours * Salary: Depending on work experience. 35 \- 40\.000 € g/a **What you will do** * Administer and maintain UNIX/Linux-based systems in critical environments. * Manage local area networks (LAN) and data communications. * Work on X86 architectures ensuring availability and performance. * Collaborate closely with Indra's technical team. * Participate in rotating on-call duties (one week on, one week off, 24h). * Carry out occasional short trips (maximum 3 per year, national scope). **Essential** * Experience in UNIX/Linux system administration (Red Hat preferred). * Knowledge of LAN networks and Cisco equipment. * Experience with X86 architectures\. * Degree in Telecommunications or Computer Engineering. * Intermediate level of English (technical reading). * Availability for occasional travel. **Desirable** * Previous experience in mission-critical or high-availability environments. * Certifications in Linux, Cisco or networking. * Knowledge of automation and scripting. * Good communication and teamwork skills. **What we offer?** * Competitive salary based on experience * Permanent contract or Commercial Contract option * 22 working days of vacation * Flexible compensation plan: Health insurance, childcare vouchers, transport vouchers * Training in Technology and Soft Skills * Referral program: 500 € for recommended candidates who join us **Digital Group** We are a team of over 100 technology professionals, where you will find stable projects with major national and international clients, developing solutions in Artificial Intelligence, Cloud, Cybersecurity, etc.… We are committed to being by your side throughout all project phases, ensuring you grow professionally with us and that your contribution matters. Do you want to stay up to date with the latest technologies and are you looking for new challenges? Send us your CV and we will contact you!