Linux Engineer at Jibs-Ray Nigeria Limited

Job Summary:

• We are seeking a systems expert responsible for designing, implementing, and maintaining Linux-based infrastructure to support enterprise applications, networks, and services.
• This ideal candidate will ensure servers are secure, performant, highly available, and business-critical systems are running smoothly at the backend.
• This role is critical to driving operational efficiency and delivering value across the organization.
• RedHat, Oracle Enterprise Linux and Solaris operating system installation.
• Operating system hardening and configuration.
• Break and fix.
• Capacity optimization and reporting.
• Observability and monitoring of infrastructure.
• Service management operations, includes - incident, request, problem and change implementations.
• Host storage sub-system administration and migration.
• Platform automation and scripting.
• Package and repository management.
• System patch and vulnerability remediation.
• Platform management utilizing tools such as RedHat Satellite and Ansible Automation
• Platform.
• Engineered system administration, such as Oracle Sparc M6 and Exadata.
• Virtualized platform administration such as Oracle Virtual Machine Manager, KVM and

VMWare VCenter.

• Business reporting and presentation.
• Customer engagement and troubleshoot sessions.
• Platform upgrade and migration.
• Research and development.
• Business tasks reporting.

SCOPE:

• PATCHING: This activity is to address swiftly vulnerable hosts in the Unix ecosystem. It also includes vulnerability remediation to mitigate security attack surfaces identified and improve system performance by addressing known system bugs.
• OPERATING SYSTEM CONVERSION: This activity is for the conversion of Oracle Enterprise Linux to RedHat Enterprise Linux systems respectively for operating system consolidation and get RedHat subscription coverage.
• REDHAT SATELLITE REGISTRATION: This is consolidation of all RedHat Enterprise Linux footprints on centralized management system – RedHat Satellite. This centralizes package, patch, jobs execution and management.
• OPERATING SYSTEM UPGRADE: This activity aims at upgrade of RedHat Enterprise Linux 7.9 to 8.10 respectively. This assures environment being security compliant and within support.

Key Responsibilities:

• Lead and support the migration from Oracle Enterprise Linux (OEL) to Red Hat Enterprise Linux (RHEL).
• Integrate Linux hosts with RedHat Satellite for centralized management.
• Perform advanced troubleshooting of Linux operating systems and applications.
• Automate routine tasks using tools like Ansible.
• Apply ITIL processes (change, incident, problem management) in daily operations.
• Collaborate with cross-functional teams to ensure seamless infrastructure upgrades and transparent system migrations.

Required Skills & Qualifications:

• Strong proficiency in Linux system administration (RHEL preferred).
• Experience with RedHat Satellite, Ansible, and shell scripting (Bash, Python).
• Familiarity with network services: DNS, NFS, LDAP/Kerberos, Apache, NTP.
• Analytical mindset with strong problem-solving capabilities.
• Excellent communication and teamwork skills.
• Certifications such as RHCE, RHCSA, or ITIL are advantageous