Linux Red Hat Expert

Adentis Portugal; Lisboa; Presencial; EUR 42 000 - 66 000; Tempo integral

Resumo da oferta

Adentis Portugal is seeking a seasoned Linux System Administrator to deliver L3 support, troubleshoot complex incidents, and optimize RHEL environments in Lisbon. You will manage virtual, physical, and IBM Power platforms and oversee Red Hat Satellite and IdM integration.

Responsibilities include automation with Ansible, Shell and Python, patch management, OS upgrades, and maintaining comprehensive documentation.

Qualificações

• 5+ years of experience in a similar Linux administration role.
• Strong experience with Red Hat Enterprise Linux (RHEL).
• Hands-on with VMware and IBM Power platforms.
• Experience managing Red Hat Satellite Server and IdM.
• Proficient in Ansible, Shell scripting, and Python.
• Familiar with Kerberos, LDAP, and SSSD.
• Proven patch management and OS upgrade experience.
• Ability to perform root cause analysis and incident resolution.

Responsabilidades

• Provide L3 support and resolve complex incidents in RHEL environments.
• Administer RHEL systems across virtual, physical, and IBM Power platforms.
• Manage Red Hat Satellite and IdM.
• Perform performance tuning, log analysis, and system optimization.
• Automate tasks using Ansible, Shell, and Python.
• Prepare documentation and runbooks.
• Collaborate with infra teams and stakeholders.
• Conduct RCA for major incidents.

Conhecimentos

RHEL

VMware

IBM Power

Red Hat Satellite

IdM

Active Directory

SUDO

Ansible

Shell scripting

Python

Kerberos

LDAP

SSSD

Patch management

OS upgrades

Kernel patching

Package lifecycle

Ferramentas

Red Hat Satellite

IdM

Active Directory

VMware

IBM Power (LE)

Descrição da oferta de emprego

• Provide L3 support and resolve complex incidents in RHEL environments.
• Administer RHEL systems across virtual, physical, and IBM Power platforms.
• Manage Red Hat Satellite and Red Hat Identity Management (IdM).
• Perform performance tuning, log analysis, and system optimization.
• Manage SUDO, access control, and identity integration.
• Support security hardening and vulnerability remediation.
• Perform root cause analysis (RCA) for major incidents.
• Automate administration tasks using Ansible, Shell, and Python.
• Perform OS upgrades, kernel patching, and package lifecycle management.
• Maintain technical documentation and operational procedures.
• Collaborate with infrastructure teams and business stakeholders.

Requirements

• 5+ years of experience in a similar role.
• Strong experience with Red Hat Enterprise Linux (RHEL).
• Experience with:
• VMware
• IBM Power (LE)
• Red Hat Satellite Server
• Red Hat Identity Management (IdM)
• Active Directory
• SUDO
• Ansible
• Shell scripting and Python
• Kerberos, LDAP, and SSSD
• Patch management and OS upgrades
• Kernel patching and package lifecycle management