Medior Linux System Administrator – LDAP & Oracle

About the role

We are seeking a Medior Back Office Engineer to join our team as a Linux System Administrator. You will be responsible for maintaining and enhancing our enterprise identity infrastructure, including LDAP services and backend systems, within a secure, high‑availability environment.

Key responsibilities

• Administer and maintain Oracle Directory Server and OpenLDAP.
• Manage LDAP operations such as replication, queries, backups, schema updates, and troubleshooting.
• Install, configure, patch, and upgrade Linux (Red Hat) servers.
• Monitor systems proactively and resolve incidents.
• Develop and maintain automation scripts using Bash, KSH, or Perl.
• Perform vulnerability assessments and implement security improvements.
• Handle incidents, changes, documentation, and technical procedures.
• Support infrastructure projects, migrations, and knowledge‑sharing activities.

Required profile

• 4+ years of experience in UNIX/Linux and Oracle infrastructure environments.
• Professional proficiency in English and French.
• ITIL Foundation certification.
• Strong analytical and troubleshooting abilities.

Required skills

• Oracle Directory Server
• OpenLDAP
• Linux (Red Hat)
• Oracle WebLogic
• Tomcat
• Apache Ignite
• Derby
• Git, Bamboo, Nexus
• Bash, KSH, Perl scripting