Senior Linux Systems Engineer

Artifintech; Wilmington (DE); On-site; USD 90,000 - 120,000; Full time

Job summary

Artifintech in Wilmington, Delaware is seeking an experienced Linux System Administrator to manage and optimize large-scale Linux server environments. You will handle installation, configuration, monitoring, security, and automation to keep enterprise systems reliable and secure.

The role requires hands-on expertise with RHEL/CentOS, Ubuntu, SUSE; shell scripting; and web servers Apache/Nginx. You will work across production environments, document procedures, and support disaster recovery

Qualifications

• 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.

Responsibilities

• Install, configure, and maintain Linux OS across enterprise servers.
• Manage RHEL, CentOS, Ubuntu, and SUSE servers.
• Perform daily system administration, monitoring, and maintenance.
• Manage user accounts, groups, and access controls.
• Configure storage: file systems, partitions, LVM, disks.
• Perform OS upgrades, kernel patching, and security updates.
• Monitor performance: CPU, memory, disk, network.
• Troubleshoot server issues and application performance.
• Configure DNS, DHCP, SSH, NFS, FTP, TCP/IP.
• Implement backup, DR procedures.
• Manage firewall and vulnerability remediation.
• Automate tasks with Shell/Bash scripting.
• Configure Apache and Nginx web servers.
• Support production environments and incident resolution.
• Maintain system documentation.

Skills

Linux administration

Shell scripting

Security management

Networking basics

Monitoring

Tools

Apache

Nginx

LVM

SSH

DNS

Job description

Artifintech in Wilmington, Delaware is seeking an experienced Linux System Administrator to manage and optimize large-scale Linux server environments. You will handle installation, configuration, monitoring, security, and automation to keep enterprise systems reliable and secure.

The role requires hands-on expertise with RHEL/CentOS, Ubuntu, SUSE; shell scripting; and web servers Apache/Nginx. You will work across production environments, document procedures, and support disaster recovery