Linux Administrator

Job Title -Linux Administrator Location- Remote Employment Type Full-time Client Engagement US-based clients (remote support) Key Responsibilities Server administration: Install, configure, administer, and maintain Linux servers (RHEL, CentOS, Ubuntu) across physical, virtual, and cloud environments. Monitoring && performance: Monitor system health, capacity, and performance; proactively tune servers and resolve bottlenecks to ensure high availability and uptime. Incident && problem management: Respond to alerts and client tickets within SLA, perform root-cause analysis, and drive incidents through to resolution. Patching && hardening: Apply OS patches, security updates, and hardening measures; manage vulnerabilities and ensure compliance with security policies. Automation && scripting: Automate routine administration and deployments using Shell/Bash and Python; reduce manual effort and human error. Backup && recovery: Configure and verify backups, and execute disaster-recovery and restoration procedures. User && access management: Manage users, groups, permissions, and authentication (SSH, sudo, LDAP) following least-privilege principles. Networking && services: Administer core services such as DNS, DHCP, NFS, Apache/Nginx, FTP, and firewalls (iptables/firewalld). Client communication: Serve as a technical point of contact for US-based clients providing clear status updates, walkthroughs, and post-incident summaries over calls, email, and chat. Documentation: Maintain accurate runbooks, SOPs, configuration records, and knowledge- base articles. Collaboration: Coordinate with NOC, network, security, and application teams to deliver seamless 24x7 support.