Oracle Linux Engineer

Centroid Systems; United States; Remote; USD 110,000 - 160,000; Full time

Job summary

Centroid Systems seeks a Senior Systems Engineer to manage Linux/UNIX/Windows servers across multiple teams, focusing on installation, patching, integration, and ongoing maintenance.

Collaborate with networking, database, application, and internet development teams to deliver reliable, scalable infrastructure with Oracle engineered systems and NAS storage. Travel up to 25% is required.

Qualifications

• 6+ years of UNIX/Linux system administration experience.
• Experience with Oracle Cloud or other major cloud platforms (AWS/Azure).
• Experience with Linux mail servers (Sendmail or Postfix).
• Experience with virtualization technologies (Oracle VM, VMware, Solaris LDOMs/Zones).
• Familiarity with Oracle engineered systems (ODA, Exalytics, ZFS Appliance, etc.).

Responsibilities

• Perform intermediate- to advanced UNIX system administration tasks.
• Diagnose complex system, network, and app issues with IT teams.
• Install related software, tools, and support utilities.
• Apply OS patches coordinating with DBAs and app staff.
• Support virtualization technologies including KVM/VMware/Solaris Zones.
• Develop or maintain automation scripts for environments.
• Communicate technical information effectively in writing and speech.
• Work with Windows laptops and virtual desktops for duties.

Skills

Linux/UNIX admin

Cloud platforms (OCI/AWS/Azure)

Mail servers (Sendmail/Postfix)

Virtualization (VMware/LDOMs/Zones)

Oracle engineered systems

Scripting (Python/Perl)

Automation tools (Ansible/AWX)

Education

Bachelor’s degree in CS/BI/CIS

Tools

Nagios

Zabbix

Oracle Enterprise Manager

Ansible/AWX

Job description

The Senior Systems Engineer is responsible for systems management across Linux, Unix and Windows server environments in collaboration with networking, database, application development, and internet development teams. Key responsibilities include system installation, operating system patch management, system integration, application administration, systems architecture and design support, and ongoing system maintenance. This role operates in a diverse environment that includes leading-edge technologies, multiple cloud platforms, Oracle engineered systems, Oracle servers running Solaris 10 and 11, and x86 servers running Oracle Linux and other Linux/Unix versions. The storage infrastructure includes network-attached storage (NAS) usually based on Oracle ZFS appliances.

Travel: up to 25%

Employment Type: FTE or Contract

Job Requirements

• Perform intermediate- to advanced-level UNIX systems administration activities, including server and application component installation and configuration.
• Diagnose complex system, network, and application issues in close collaboration with other IT teams.
• Install related software products, tools, and support utilities.
• Apply vendor-supplied operating system patches as needed in coordination with database administrators and application support staff.
• Support virtualization technologies including Oracle Linux KVM, VMware, Solaris LDOMs, and Solaris Zones.
• Develop or maintain scripts and utilities to automate processes and support application environments.
• Demonstrate sound judgment and decision-making aligned with essential job functions.
• Communicate technical information effectively, both verbally and in writing.
• Use a Windows based laptop, virtual machines and virtual desktops to complete all job duties.

Skills Required

• Minimum of 6 years of experience in Linux/UNIX operating system and system software installation, customization, and support.
• Experience supporting environments in Oracle Cloud or other cloud platforms such as Microsoft Azure and AWS.
• Experience supporting Linux mail servers running Sendmail or Postfix.
• Experience with virtualization technologies, including Oracle VM, VMware, Solaris LDOMs, and Zones.
• Working knowledge of Oracle engineered systems, including ODA, Exalytics, PCA, ZFS Appliance, and Oracle Linux.

Skills Preferred

• Experience supporting Oracle Linux KVM infrastructure.
• Experience supporting Oracle Cloud Infrastructure and other cloud platforms.
• Experience supporting and patching OCI specialty DB systems such as ExaCS and BaseDB.
• Experience with Oracle hardware platforms, including x86, SPARC, and storage systems.
• Experience using and supporting monitoring solutions such as Oracle Enterprise Manager, Nagios, and Zabbix
• Experience with OS patch management solutions.
• Experience with network configuration and troubleshooting.
• Experience implementing and testing disaster recovery solutions.
• Experience working with Solaris 10 and 11.
• Experience working with NAS and SAN solutions such as Oracle ZFS Appliance and NetApp.
• General understanding of relational databases, including schemas, metadata, relationships, stored procedures, functions, and triggers.
• Experience with shell scripting and languages such as Python and Perl.
• Experience with automation tools such as Oracle Linux Automation Manager, Ansible or AWX.

Education Required

Bachelor’s degree in Computer Science, Business Information Systems, Computer Information Systems, or a related field, or equivalent work experience. Requires 6+ years of related experience and/or training, or an equivalent combination of education and experience.