L3 Linux Administrator

As an experienced Linux Administrator (L3) at our company, you will be responsible for managing, configuring, and optimizing enterprise-level Linux and Solaris environments. Your role will require hands-on expertise in storage solutions, patch management, performance tuning, and security hardening. You should possess strong problem-solving skills, proactive monitoring abilities, and the capability to lead complex infrastructure support with minimal supervision. Key Responsibilities: - Manage and administer Red Hat, CentOS, and Solaris servers. - Monitor system performance and ensure high availability of critical services. - Configure, maintain, and optimize distributed storage systems including OSD and Ceph Storage. - Manage OSD nodes and Ceph clusters for scalability and performance. - Perform patching and update activities using Red Hat Satellite. - Ensure compliance with security and performance updates. - Configure and manage Apache HTTP Server, including performance tuning and troubleshooting. - Implement best practices for high-availability setups. - Manage user access controls, file permissions, and Linux firewall configurations. - Perform system hardening and ensure compliance with security standards. - Design, implement, and test backup and recovery procedures. - Ensure data integrity and availability during DR scenarios. - Deploy, manage, and troubleshoot OpenShift clusters. - Support containerized application environments and CI/CD pipelines. - Provide L3 level support for escalated incidents and complex problem resolution. - Document processes, maintain SOPs, and ensure adherence to SLAs. Required Skills & Qualifications: - 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: - Red Hat Certified Engineer (RHCE) or equivalent certification. - Knowledge of automation tools (Ansible, Puppet, or Chef). - Exposure to cloud platforms (AWS, Azure, GCP) is an advantage. Please note: The company details were not provided in the job description.,