Linux Red Hat Expert em Lisboa, Portugal

Job Description Are you a Red Hat expert ready to take on complex challenges in enterprise infrastructure? Inetum is hiring a Linux Red Hat Expert to provide advanced support, automation, and lifecycle management for critical RHEL environments in virtualized and physical platforms.

Your Key Responsibilities

• Provide L3 support and resolve complex incidents in Red Hat Enterprise Linux (RHEL) across VMware, bare-metal, and IBM Power (LE) systems.
• Administer and troubleshoot RHEL platforms, ensuring performance, stability, and reliability.
• Manage Red Hat Satellite Server for patching , provisioning , and subscription lifecycle .
• Operate and secure Red Hat Identity Management (IdM) for centralized authentication and host-based access control.
• Conduct performance tuning , log analysis , and implement system optimizations .
• Maintain and engineer SUDO authorizations and access control policies .
• Perform root cause analysis and implement corrective and preventive actions.
• Collaborate with security teams to integrate RHEL systems with Active Directory and IdM.
• Build and maintain Ansible playbooks for automated patching, provisioning, and configuration management.
• Plan and execute kernel upgrades , OS updates , and manage package lifecycles .
• Document system architecture, standards, procedures, and troubleshooting workflows.

Profile

• Minimum of 5 years of experience in Red Hat Linux administration .
• Bachelor’s degree in Computer Science or equivalent.
• Expert-level proficiency in RHEL system administration , both virtual and physical.
• Hands-on experience in patch and lifecycle management using Red Hat Satellite .
• Strong skills in access control , SUDO , Kerberos , LDAP , and SSSD .
• Proficient in automation and scripting with Ansible , Shell , and Python .
• Proven ability to resolve complex issues and lead root cause investigations.
• Strong communication skills to work effectively with cross-functional teams.
• Fluent in English (B2–C1 level) .

Nice to Have

• RHCE or Red Hat Certified Specialist in Satellite/IdM.
• Experience with container platforms such as OpenShift , Docker , or Kubernetes .
• Understanding of ITIL processes for incident and change management.