Linux administrator

1 day ago

Pune, India Team Computers Full time

Position: Linux Admin L3 Location: PuneIndustry: IT SoftwareExperience Required: 7-12 YearsRole Overview:We are seeking an experienced Linux Administrator (L3) to manage, configure, and optimize enterprise-level Linux and Solaris environments. The ideal candidate will have hands-on expertise in storage solutions, patch management, performance tuning, and security hardening. This role requires strong problem-solving skills, proactive monitoring, and the ability to lead complex infrastructure support with minimal supervision.Key Responsibilities:Linux & Solaris AdministrationManage and administer Red Hat, Cent OS, and Solaris servers.Monitor system performance and ensure high availability of critical services.Storage Management (OSD & Ceph Storage)Configure, maintain, and optimize distributed storage systems.Manage OSD nodes and Ceph clusters for scalability and performance.Patch Management (Satellite Patching)Perform patching and update activities using Red Hat Satellite.Ensure compliance with security and performance updates.Web & Application ServersConfigure and manage Apache Server, including performance tuning and troubleshooting.Implement best practices for high-availability setups.Security & ComplianceManage user access controls, file permissions, and Linux firewall configurations.Perform system hardening and ensure compliance with security standards.Backup & Disaster RecoveryDesign, implement, and test backup and recovery procedures.Ensure data integrity and availability during DR scenarios.Container & Cloud Platforms (Open Shift)Deploy, manage, and troubleshoot Open Shift clusters.Support containerized application environments and CI/CD pipelines.Incident & Problem ManagementProvide 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/Cent OS/Ubuntu) and Solaris systems.Experience with Ceph Storage / OSD management.Expertise in Red Hat Satellite patching.Proficiency in Apache server configuration & tuning.Solid understanding of Linux security practices (firewalls, permissions, access control).Experience in backup & disaster recovery solutions.Working knowledge of Open Shift 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.

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