Senior Unix Systems Administrator

hace 2 días


Madrid, Madrid, España Civir A tiempo completo

At Civir, we are seeking an experienced Senior Unix Systems Administrator to join our established team in a critical global digital transformation project for a leading banking institution. Estimated salary: $120,000 - $180,000 per year.

About the Role

We require a highly skilled professional with strong analytical skills and ability to troubleshoot complex issues. The ideal candidate will have effective communication skills for collaborating with team members and stakeholders, precision in managing system configurations and documentation, and attention to detail.

Key Responsibilities
  • Oversight of Unix operating systems (AIX, Solaris, HP-UX) and VCS clusters configuration, installation, and maintenance.
  • Applying patches and updates to ensure systems are up-to-date and secure.
  • Implementation and management of security measures to protect systems from vulnerabilities and threats, ensuring compliance with organizational policies, industry regulations, and security best practices.
  • Providing technical support and guidance, working closely with other IT teams (network, database, application) for seamless integration and support.
  • Monitoring and optimizing system performance, including hardware configuration, kernel parameter adjustments, and resource management.
  • Fast and effective BAU (Business As Usual) support for incidents and requests.
  • Management of incidents and requests, providing root cause analysis and preventive measures.
  • Investigation and resolution of complex system issues, including hardware failures, software bugs, and performance bottlenecks.
Requirements

To be successful in this role, you will need:

  • Strong knowledge of RHEL6, RHEL7, and RHEL8 (6+ years of experience).
  • Extensive experience with VERITAS CLUSTER SERVER (VCS) in large-scale data center environments (3+ years), including Storage Foundation, Volume Manager, Veritas Infoscale, and Cluster File System.
  • Ability to test, upgrade, and manage VCS, with a focus on documentation for team and stakeholders.
  • Experience migrating VCS clusters (host-based and array-based migrations).
  • Strong experience with VMware infrastructure operation.
  • Patching Linux servers to remediate vulnerabilities.
  • Proficiency in utilizing automation tools and frameworks (Ansible, YAML, Puppet) for routine tasks and system management.
  • Migrating, upgrading, and rebuilding legacy Linux servers (from RHEL6 & RHEL7 to RHEL8).
  • Familiarity with change management processes and attending change board meetings.
  • Ability to work independently and as part of a team.
  • Experience in Solaris and AIX administration.
  • RHCSA / RHCE certified.
  • Experience using ServiceNow (or similar ITSM tool) to manage incidents, requests, and changes.
  • Familiarity with development tools such as Git and Gitlab.
  • Experience in Red Hat Satellite administration.


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