Linux Systems Administrator — Automation & Security

Cloud Analytics Technologies, LLC; Wilmington (DE); On-site; USD 80,000 - 120,000; Full time

Job summary

Cloud Analytics Technologies, LLC seeks an experienced Linux System Administrator to manage and optimize Linux server environments across enterprise infrastructure. You will handle installation, configuration, monitoring, security, and automation to ensure high availability and performance.

Responsibilities include managing RHEL, CentOS, Ubuntu, and SUSE servers; scripting with Shell/Bash; configuring DNS, DHCP, SSH, NFS, and web servers; implementing backups and disaster recovery, and

Qualifications

• Experience administering Linux servers in enterprise environments.
• Strong knowledge of RHEL/CentOS/Ubuntu/SUSE and related tools.
• Familiarity with security best practices and patch management.

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.

Skills

Linux administration

Server monitoring

Security management

Networking

Automation

Documentation

Education

Bachelor's degree in Computer Science or related field

Tools

RHEL

CentOS

Ubuntu

SUSE Linux

Apache

Nginx

Shell scripting

Bash

DNS

DHCP

SSH

NFS

Storage management

Job description

Cloud Analytics Technologies, LLC seeks an experienced Linux System Administrator to manage and optimize Linux server environments across enterprise infrastructure. You will handle installation, configuration, monitoring, security, and automation to ensure high availability and performance.

Responsibilities include managing RHEL, CentOS, Ubuntu, and SUSE servers; scripting with Shell/Bash; configuring DNS, DHCP, SSH, NFS, and web servers; implementing backups and disaster recovery, and