L3 Linux Administrator

As an experienced Linux Administrator (L3), your role will involve managing, configuring, and optimizing enterprise-level Linux and Solaris environments. You should have hands-on expertise in storage solutions, patch management, performance tuning, and security hardening. Your responsibilities will include: - Managing and administering Red Hat, CentOS, and Solaris servers. - Monitoring system performance and ensuring high availability of critical services. - Configuring, maintaining, and optimizing distributed storage systems. - Managing OSD nodes and Ceph clusters for scalability and performance. - Performing patching and update activities using Red Hat Satellite. - Configuring and managing Apache HTTP Server, including performance tuning and troubleshooting. - Managing user access controls, file permissions, and Linux firewall configurations. - Designing, implementing, and testing backup and recovery procedures. - Deploying, managing, and troubleshooting OpenShift clusters. - Providing L3 level support for escalated incidents and complex problem resolution. In terms of qualifications, you should possess: - Strong hands-on experience with Linux (RHEL/CentOS/Ubuntu) and Solaris systems. - Experience with Ceph Storage / OSD management. - Expertise in Red Hat Satellite patching. - Proficiency in Apache HTTP server configuration & tuning. - Solid understanding of Linux security practices (firewalls, permissions, access control). - Experience in backup & disaster recovery solutions. - Working knowledge of OpenShift and container orchestration. - Strong troubleshooting and performance tuning skills. - Ability to work independently and lead L2 engineers. Preferred qualifications include being a Red Hat Certified Engineer (RHCE) or equivalent certification, knowledge of automation tools (Ansible, Puppet, or Chef), and exposure to cloud platforms (AWS, Azure, GCP) which would be advantageous for the role. Please note that the company's additional details were not provided in the job description.,