Senior Linux Systems Administrator - RHEL/Ubuntu

InnovitUSA; Boise (ID); On-site; USD 90,000 - 120,000; Full time

Job summary

InnovitUSA in Boise, Idaho is seeking an experienced Linux Administrator to manage enterprise Linux servers, perform OS upgrades, patch management, hardening, and troubleshooting across RHEL, CentOS, Ubuntu, and SUSE.

You will configure essential services (SSH, DNS, DHCP, NFS, Apache, Nginx, Tomcat), manage storage and virtualization, develop automation with Ansible and Shell/Bash, and support disaster recovery and high availability.

Qualifications

• 4+ years hands-on Linux System Administration experience.
• Strong experience with RHEL / Red Hat Linux administration.
• Good knowledge of CentOS, Ubuntu, and/or SUSE Linux.
• Strong knowledge of Linux file systems, LVM, partitions, permissions, processes, and services.
• Experience with Shell/Bash scripting.
• Hands-on experience with Ansible.
• Strong understanding of DNS, DHCP, TCP/IP, SSH, NFS, and networking fundamentals.
• Experience with YUM/DNF/APT package management.
• Knowledge of SELinux, firewalld, systemd, cron, and log management.
• Experience with Linux patching, upgrades, hardening, and vulnerability remediation.
• Strong troubleshooting and root-cause-analysis skills.
• Experience supporting production environments and enterprise infrastructure.

Responsibilities

• Install, configure, administer, and maintain Linux servers across RHEL, CentOS, Ubuntu, and SUSE.
• Perform OS upgrades, patch management, vulnerability remediation, and system hardening.
• Manage Linux users, groups, permissions, sudo access, SSH, processes, and services.
• Manage file systems, partitions, LVM, disk utilization, NFS, and storage mounts.
• Monitor server availability, performance, capacity, CPU, memory, disk, and network utilization.
• Troubleshoot Linux OS, application, storage, networking, and authentication issues.
• Configure and manage services including SSH, DNS, DHCP, NFS, FTP, Apache, Nginx, and Tomcat.
• Develop and maintain Shell/Bash scripts to automate routine tasks.
• Use Ansible for configuration management, patching, provisioning, and automation.
• Support backup, restore, disaster recovery, and high-availability activities.

Skills

Linux Administration

RHEL / Red Hat

CentOS / Ubuntu

Ansible

Shell / Bash scripting

DNS / DHCP / TCP/IP

NFS / File systems

SSH / Security

YUM / DNF / APT

SLES / VMware / Cloud

Apache / Nginx / Tomcat

SELinux / Firewalld

Monitoring / RCA

Tools

VMware vSphere/ESXi

Docker

Kubernetes

Grafana / Prometheus

Nagios / Zabbix

Job description

InnovitUSA in Boise, Idaho is seeking an experienced Linux Administrator to manage enterprise Linux servers, perform OS upgrades, patch management, hardening, and troubleshooting across RHEL, CentOS, Ubuntu, and SUSE.

You will configure essential services (SSH, DNS, DHCP, NFS, Apache, Nginx, Tomcat), manage storage and virtualization, develop automation with Ansible and Shell/Bash, and support disaster recovery and high availability.