Senior Linux Systems Administrator

Responsibilities

• Manage the use of computational resources of the server platform, in coordination with network management, ensuring availability and adequate performance;
• Install and configure Linux operating systems, components, and services, including high-availability environments;
• Diagnose and resolve incidents and problems in operating systems and critical services, ensuring continuity in high-availability scenarios;
• Update operational environments by applying fixes and patches released by vendors;
• Define and structure resources to be accessed on servers (folders, shares, permissions);
• Establish naming conventions and organization of users and groups in accordance with security policies;
• Perform basic configuration and provide support for content filtering solutions (proxy);
• Perform basic configuration and provide support for infrastructure monitoring solutions;
• Participate in projects, providing technical information on sizing and specifications of servers, their components, and software;
• Prepare technical documentation and internal articles on best practices for using and administering the Linux platform in high-availability environments;
• Provide support for hardware- and operating system-related issues on servers;
• Perform basic configuration and provide support for firewall and IPS solutions;
• Follow up on technical tickets with vendors to resolve complex issues related to the Linux platform;
• Research solutions and prepare technical specifications to support analyses and decisions related to Linux server infrastructure.

Requirements

• Bachelor's degree in Information Technology (IT).
• Demonstrable minimum of 5 (five) years' experience in the stated specialty in critical, high-availability corporate environments, evidenced by employment records (workbook) or a declaration from a public or private institution where the candidate has worked.
• Official ITIL Foundation V4 or higher certification.
• Linux Professional Institute Certification (LPIC-3) or Red Hat Certified Engineer (RHCE).
• OpenShift Administrator or Kubernetes Administrator course (20 hours).
• Cloud Computing Architecting course (20 hours).
• Next-Generation Firewall training (20 hours).