Senior Linux Systems Administrator: Automation & Security

Robotics Technologies LLC; Wilmington (DE); On-site; USD 90,000 - 120,000; Full time

Job summary

Robotics Technologies LLC is seeking an experienced Linux System Administrator to manage Linux-based server environments. The role focuses on installation, configuration, and ongoing maintenance across enterprise servers, with emphasis on security, monitoring, and automation.

The ideal candidate will handle server provisioning for RHEL, CentOS, Ubuntu, and SUSE, manage users and permissions, and configure essential services like DNS, SSH, NFS, and web servers.

Qualifications

• Experience administering Ubuntu/CentOS and Linux servers across enterprise environments.
• Proficient in shell scripting and Bash for automation.
• Strong understanding of network services (DNS, DHCP, SSH, NFS) and security patches.

Responsibilities

• Install, configure, and maintain Linux operating systems across enterprise server environments.
• Manage RHEL, CentOS, Ubuntu, and SUSE servers and perform daily admin tasks.
• Manage user accounts, groups, file permissions, and access controls.
• Configure and manage file systems, LVM, and storage devices.
• Perform OS upgrades, kernel patching, and security updates.
• Monitor performance, CPU, memory, disk space, and network activity.
• Troubleshoot server issues and application performance problems.
• Configure DNS, DHCP, SSH, NFS, and TCP/IP services.
• Implement backup, restoration, and disaster recovery procedures.
• Manage system security and firewall configurations.
• Automate tasks using Shell and Bash scripting.
• Configure and maintain Apache and Nginx web servers.
• Support production environments and document procedures.

Skills

Linux Server Administration

Shell Scripting

User and Group Management

Linux Performance Monitoring

Networking fundamentals

Troubleshooting

Security updates

Tools

Apache HTTP Server

Nginx

SSH

DNS

NFS

Job description

Robotics Technologies LLC is seeking an experienced Linux System Administrator to manage Linux-based server environments. The role focuses on installation, configuration, and ongoing maintenance across enterprise servers, with emphasis on security, monitoring, and automation.

The ideal candidate will handle server provisioning for RHEL, CentOS, Ubuntu, and SUSE, manage users and permissions, and configure essential services like DNS, SSH, NFS, and web servers.