
Linux Red Hat Expert
Inetum · Lisbon, Lisbon, Portugal
- IT Services & Consulting
- 10,001+ employees
- St.-Ouen, Île-de-France
Weak hiring record · median 109 days open
All reasons
- Open 472 days
- 61% of this employer's openings are over 60 days old
In its favour
- Still listed on the employer's own board
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.
- 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.
Skills
- Linux
- RHEL
- VMware
- Active Directory
- Ansible
- Kerberos
- LDAP
- Shell
- Python
- OpenShift
- Docker
- Kubernetes
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