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Location:
Spain (Preferred: Málaga or Madrid)

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Work Model:
Hybrid | 1 day/week on-site (for Málaga or Madrid-based candidates)

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Working Hours:
Rotational shift schedule, Monday to Friday between 07:00 and 19:00

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Language:
English B2+ minimum

About the Opportunity

We are looking for an experienced
Linux Administrator L3 / Senior Unix Systems Engineer
to join an international operations team. This role is adecuado for a proactive systems administrator with strong expertise in
Linux, AIX, and Solaris environments
, capable of managing complex infrastructures with limited supervision.

You will work in a multicultural environment, collaborating with global teams in English while supporting critical Unix platforms, monitoring infrastructure, troubleshooting issues, and ensuring operational excellence in line with established SLAs.

Key Responsibilities
- Manage and support Unix/Linux production environments.
- Perform Unix and cluster operational activities.
- Execute standard run operations and maintenance tasks.
- Administer and support AIX environments,



including legacy AIX versions.
- Handle incidents, problems, service requests, and change management activities.
- Conduct regular system health checks and performance monitoring.
- Implement and align system parameter changes.
- Monitor and maintain AIX infrastructure.
- Troubleshoot complex system and hardware issues.
- Collaborate with international teams and follow operational procedures and SLA commitments.

Required Skills & Experience

✅ 5-8 years of Unix/Linux administration experience

✅ Strong Linux system administration background

✅ Solid expertise in:
- Red Hat Linux environments
- Linux OS and hardware troubleshooting
- Linux servers in virtualized environments
- VMware administration and concepts
- SAN technologies and storage concepts
- DNS, HTTP, LDAP, SMTP, and SNMP protocols
- IBM Power hardware technologies

✅ Experience working with remote data centers

✅ Excellent troubleshooting and proble

📌 Administrador de sistemas Unix y Linux (Madrid)
🏢 Experis
📍 Madrid