Linux System Adminstrator

Ethereum Technologies LLC; Wilmington (DE); In loco; USD 80.000 - 120.000; Tempo pieno

Descrizione del lavoro

Ethereum Technologies is seeking an experienced Linux System Administrator to manage and support enterprise Linux server environments.

The role focuses on installation, configuration, monitoring, security, automation via Shell/Bash, and troubleshooting across RHEL, Ubuntu, CentOS, and SUSE with Apache/Nginx.

You will maintain DNS/DHCP/SSH, backup procedures, disaster recovery, and documentation to ensure stable production systems.

Competenze

• Extensive experience with Linux server installation and configuration.
• Proficiency in shell scripting and Bash automation.
• Strong knowledge of user/group management and permissions.
• Experience with network services (DNS, DHCP, SSH, NFS) and security patches.

Mansioni

• Install, configure, and maintain Linux OS across enterprise servers.
• Manage RHEL, CentOS, Ubuntu, and SUSE servers.
• Perform daily admin, monitoring, and maintenance tasks.
• Manage accounts, groups, permissions, and access controls.
• Configure file systems, LVM, and storage.
• Apply OS patches and kernel updates.
• Monitor performance and network activity.
• Troubleshoot server and application issues.
• Configure DNS, DHCP, SSH, NFS, FTP, TCP/IP services.
• Implement backup, restore, and disaster recovery.
• Harden security and perform vulnerability remediation.
• Automate tasks with Shell/Bash scripting.
• Configure Apache and Nginx web servers.
• Maintain system documentation and runbooks.

Conoscenze

Linux server administration

Shell scripting

User and group management

File systems and storage (LVM)

Kernel patching and OS updates

TCP/IP, DNS, DHCP, SSH, NFS

Apache and Nginx

Performance monitoring and Troubleshoo

Descrizione del lavoro

Work Authorization

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Summary

We are seeking an experienced Linux System Administrator responsible for managing, configuring, maintaining, and supporting Linux-based server environments. The ideal candidate should have strong expertise in Linux administration, server monitoring, system troubleshooting, security management, networking, and automation.

Key Responsibilities

• Install, configure, and maintain Linux operating systems across enterprise server environments.
• Manage Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu, and SUSE Linux servers.
• Perform daily system administration, monitoring, and maintenance activities.
• Manage user accounts, groups, file permissions, and access controls.
• Configure and maintain file systems, disk partitions, LVM, and storage devices.
• Perform operating system upgrades, kernel patching, and security updates.
• Monitor system performance, CPU utilization, memory, disk space, and network activities.
• Troubleshoot server issues, system failures, and application performance problems.
• Configure and manage DNS, DHCP, SSH, NFS, FTP, and TCP/IP services.
• Implement backup, restoration, and disaster recovery procedures.
• Manage system security, firewall configurations, and vulnerability remediation.
• Automate routine administration tasks using Shell and Bash scripting.
• Configure and maintain Apache and Nginx web servers.
• Support production environments and resolve infrastructure-related incidents.
• Maintain system documentation and operational procedures.

Required Technical Skills

• Ubuntu and CentOS Administration.
• Linux Server Installation and Configuration.
• Shell Scripting and Bash.
• User and Group Management.
• File Systems, LVM, and Disk Management.
• Kernel Management and OS Patching.
• TCP/IP, DNS, DHCP, SSH, NFS.
• Apache and Nginx.
• Linux Performance Monitoring and Troubleshooting.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.