Linux / Windows / AIX Systems Administrator

• Permanent contract.
• Competitive salary commensurate with experience and the market.
• Opportunities for professional development and continuous training.
• Participation in challenging and high-impact projects.
• Excellent work environment.
• Flexible hours and the possibility of a hybrid modality.

If you are a professional passionate about technology, with a solution-oriented mindset, and you are looking for an environment where you can grow and add value, we invite you to join our team at Metrica España!

• General Experience: Minimum 8 years of professional experience in systems administration, with a focus on high availability and mission-critical environments.
• IBM AIX / Power Systems: Solid and demonstrable experience of at least 5 years in the administration, configuration, and troubleshooting of IBM AIX operating systems and Power Systems architecture.
• Linux Enterprise: Solid and demonstrable experience of at least 5 years in the administration of Linux Enterprise distributions (e.g., RHEL, CentOS, SUSE), including scripting and automation.
• Windows Server: Demonstrable experience of at least 3 years in the administration of recent Windows Server versions.
• Critical Infrastructures: Significant experience (minimum 5 years) in the management and maintenance of technological infrastructures considered critical to the business.
• N3 Management: Proven ability to manage and resolve Level 3 incidents autonomously and efficiently.
• Capacity and Availability: Knowledge and experience in system capacity management and in the implementation of strategies to ensure maximum availability.
• Languages: [Specify if any language other than Spanish is required]
• Education: [Indicate if any specific degree or relevant certifications are required]

Technical lead for the Systems tower. Technical leadership, team coordination, resolution of complex escalations, planning and supervision of changes, management of capacity, availability, obsolescence, and evolution of AIX, Linux, and Windows platforms.

On-call shifts and interventions outside of regular hours

Essential Training / Certification: IBM Certified System Administrator AIX (Power).

IBM AIX / Power Systems (5+ years)

Linux Enterprise (5+ years)

Windows Server (3+ years)

Critical infrastructures (5+ years)

N3 Management, capacity and availability

• Experience with advanced monitoring tools (e.g., Nagios, Zabbix, Prometheus).
• Knowledge of virtualization (VMware, PowerVM).
• Experience with clustering and high availability technologies.
• Knowledge of storage systems and networks.
• Relevant certifications in the mentioned technologies.

B2 desirable

Job Opportunity: RTI Linux / Windows / AIX Systems

Company: Metrica España

At Metrica España, we are looking for a professional with a solid track record and proven experience in systems administration and support to join our Infrastructure Operations and Maintenance (RTI) team. The ideal candidate will possess deep and practical knowledge of heterogeneous environments, including IBM AIX, Linux Enterprise, and Windows Server, with a special focus on managing critical infrastructures and ensuring high availability and performance.

This role is fundamental to ensuring the operational continuity of our clients' systems, actively participating in the resolution of complex incidents (Level 3), resource optimization, and the implementation of proactive improvements. We value autonomy, analytical capacity, and proactivity in problem identification and resolution.

• Level 3 Management and Support: Diagnose, analyze, and resolve complex incidents in AIX, Linux, and Windows Server operating system environments.
• Systems Administration: Perform administration, configuration, maintenance, and monitoring tasks for AIX, Linux Enterprise, and Windows Server servers.
• Critical Infrastructures: Ensure maximum availability, performance, and resilience of critical infrastructures by implementing best practices and security policies.
• Monitoring and Optimization: Supervise system status, identify bottlenecks, and propose/implement resource optimization actions (capacity, performance).
• Change Management: Plan, execute, and document changes in the systems environment, minimizing impact on operations.
• Problem Resolution: Investigate and resolve performance, security, and availability issues across different operating systems.
• Technical Documentation: Create and maintain up-to-date technical documentation related to the configuration, procedures, and policies of the managed systems.
• Collaboration: Work closely with other technical teams (networks, databases, applications) to ensure an integral solution to problems.
• On-call and Remote Support: Participate in on-call schemes to provide support outside of regular working hours, as necessary.
• Occasional On-site Presence: Availability for occasional travel to client facilities or Metrica España facilities when the nature of the work requires it.

Location: Remote/Occasional on-site

Remote/Occasional on-site