OCI Linux Administrator Wawatosa, WI( Onsite
Job in
Wisconsin Rapids, Wood County, Wisconsin, 54494, USA
Listed on 2026-06-18
Listing for:
Teal Insurance Management
Full Time
position Listed on 2026-06-18
Job specializations:
-
IT/Tech
Systems Administrator, Unix/Linux, Cybersecurity, Network Security
Job Description & How to Apply Below
Job Summary
We are seeking a skilled OCI Linux Administrator responsible for managing, maintaining, and optimizing Linux-based systems within Oracle Cloud Infrastructure (OCI). The ideal candidate will have strong expertise in Red Hat Enterprise Linux (RHEL) and Oracle Linux
, along with hands-on experience in system administration, security, performance tuning, and automation.
Location:
Wawatosa, WI (Onsite)
- Install, configure, and migrate Red Hat Enterprise Linux (RHEL) and Oracle Enterprise Linux systems.
- Manage disk storage, file systems, and Logical Volume Manager (LVM).
- Perform user and access management including permissions and authentication.
- Handle package management and maintain repositories using YUM/DNF
. - Apply OS patches
, upgrades, and configure system services. - Conduct system security monitoring
, vulnerability assessments, and OS hardening
. - Perform performance tuning and resource optimization.
- Manage and troubleshoot network configurations
, including IP addressing and subnetting. - Administer core services such as:
- NFS, SSH, FTP, DNS, NTP, Sendmail
- Configure and manage firewall rules using IPTables and Firewalld
. - Work with directory services (LDAP) for centralized authentication.
- Troubleshoot system, application, and network-related issues.
- Automate routine administrative tasks using Shell scripting and Ansible
. - Support high availability setups and clustering (e.g., Pacemaker) where applicable.
Skills & Qualifications
- Strong experience in Linux system administration (RHEL/Oracle Linux).
- Hands-on expertise in:
- LVM, file systems, and storage management
- User and security administration
- YUM/DNF package management
- Solid understanding of:
- Networking fundamentals (TCP/IP, DNS, Subnetting)
- Firewall configuration (IPTables/Firewalld)
- Experience managing core Linux services (NFS, SSH, FTP, DNS, NTP).
- Knowledge of system security practices and OS hardening
. - Experience with LDAP or directory services
. - Basic to intermediate shell scripting skills
.
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