Linux Administrator

A dedicated Linux Administrator to build, maintain, and optimize Linux-based infrastructure on premise or Cloud (Azure/AWS). Will be responsible for ensuring high availability, security, and performance of all Linux servers, collaborating with cross-functional teams, and driving automation and best practices across the environment

• Install, configure, and harden Linux operating systems (Red Hat Enterprise Linux, CentOS, Ubuntu, SUSE)
• Manage user accounts, groups, permissions, and SSH access in accordance with security policies
• Perform patch management, kernel upgrades, and software installations using native package managers (YUM, APT, Zypper)
• Monitor system performance, analyze logs, and troubleshoot issues related to CPU, memory, storage, and network
• Design, implement, and test backup, recovery, and disaster-recovery procedures
• Automate routine tasks and deployments with shell scripting (Bash), Python, or configuration-management tools (Ansible, Puppet, Chef)

Deploy and manage virtualization (KVM, VMware) and containerization platforms (Docker, Kubernetes)
• Integrate Linux servers with directory services (LDAP, Active Directory) and identity-management solutions
• Collaborate with network, storage, security, and application teams to support infrastructure projects and migrations
• Maintain detailed documentation of configurations, change records, and operational runbooks
• Participate in on-call rotations and respond to incidents in a 247 support model
• Stay current with emerging Linux technologies, security best practices, and industry standards

Required Qualifications:
• 2+ years of hands-on Linux administration in a production environment
• Deep understanding of Linux file systems, kernel parameters, boot process, and services management
• Proficiency with networking concepts (TCP/IP, VLANs, routing, firewalls) and storage integration (iSCSI, NFS)
• Strong scripting skills in Bash and familiarity with Python or Perl
• Experience with configuration-management tools (Ansible, Puppet, or Chef)
• Solid experience with virtualization (KVM, VMware) and container orchestration (Docker, Kubernetes)
• Excellent troubleshooting, problem-solving, and incident-response abilities
• Strong written and verbal communication skills; able to convey technical concepts to non-technical stakeholders