Unix System Administrator

hace 4 horas


Madrid, España Hays A tiempo completo

Position: UNIX System Administrator

Location: Madrid/Malaga, Spain (60% onsite).

Duration: Permanent

Service Description

Seeking an expert UNIX System Administrator capable of operating and managing Linux, AIX, and Solaris environments within an international setting. As a senior sysadmin, the candidate must proactively troubleshoot issues, complete planned activities independently, collaborate with global teams in English, and adhere to established guidelines and SLAs.

Key Responsibilities

- Troubleshoot and resolve OS and hardware issues on both physical and virtual servers.
- Perform scheduled activities including system updates, upgrades, and virtual server provisioning.
- Collaborate with internal and external stakeholders.
- Propose process improvements to enhance operational efficiency.
- Document procedures, best practices, and technical knowledge.
- Act as an escalation point and provide technical guidance for junior team members.

Required Qualifications

- 5+ years of experience as a Linux (Red Hat, CentOS) System Administrator.
- 5+ years of experience as an AIX System Administrator.
- 2+ years of experience as a Solaris System Administrator.
- 1+ year of experience with virtualization tools (VMWare, Hyper‑V).
- 2+ years of experience in ITIL-based environments and ITSM platforms (ServiceNow, Remedy, FreshService, etc.).
- Familiarity with SAN concepts and management.
- Strong understanding of DNS, HTTP, LDAP, SMTP, and SNMP.
- Excellent problem-solving ability and attention to detail.
- Strong communication and collaboration skills.
- English level B2+/C1 (fluent in written and spoken).
- Fluency in French is a plus.

Nice-to-Have Qualifications

- 5+ years of experience with RHEL Satellite v6.
- 2+ years working on IBM platforms.
- Scripting experience.
- Ansible automation skills.
- Experience with High Availability platforms.
- 1+ year of experience managing external technical stakeholders or clients.
- Linux certifications (RHCT, RHCE, LPIC) are an advantage.



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