Hiring: Senior UNIX System Administrator (Linux / AIX / Solaris)

Location: Madrid and Málaga, Spain
Work Model: Hybrid, 1 day per week onsite
Language Requirement: English (B2+)

We are looking for a Senior UNIX System Administrator to join an international infrastructure team responsible for managing and supporting Linux, AIX, and Solaris environments. This role requires a proactive professional who can work independently, troubleshoot complex issues, and collaborate effectively with general teams while meeting established SLAs.

Key Responsibilities:
Manage and support UNIX environments, including Linux, AIX, and Solaris
Perform system administration, monitoring, and infrastructure health checks
Handle incidents, problems, changes, and service requests
Support cluster operations and daily infrastructure activities
Monitor and maintain AIX environments, including legacy systems
Implement parameter changes and ensure system stability




Collaborate with international teams in English

Required Skills:
UNIX/Linux system administration experience
Strong expertise in Red Hat Enterprise Linux (RHEL)
Experience troubleshooting Linux operating systems and hardware issues
Knowledge of virtualized environments
Familiarity with VMware and SAN technologies
Experience with IBM Power Systems infrastructure
Understanding of DNS, LDAP, SMTP, and SNMP protocols
Strong problem-solving and communication skills

Preferred Qualifications:
Experience with legacy AIX environments
RHCE, RHCT, LPIC, or other Linux certifications
Experience working in enterprise or multinational environments

If you have a strong UNIX/Linux administration background and are looking to work in a global enterprise environment, I would be happy to connect and discuss this opportunity.

📌 UNIX-Administrator (w/m/d) (Valencia)
🏢 Hays
📍 Valencia