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Oracle Linux Kernel/Userspace Developer in Brno, Czech Republic

Linux Kernel/Userspace Developer

Preferred Qualifications

Oracle's Linux team develops on and contributes to upstream Linux to support our engineered system as well as Oracle's Cloud infrastructure. Our team patches and enhances the Linux kernel and promotes the adoption of Linux at Oracle and in the industry in general. Developers in this role are expected to be active contributors to upstream Linux.

Through our experience with engineered systems such as the flagship Exadata, we created an additional kernel option, the Unbreakable Enterprise Kernel. Supporting engineered systems required us to be more innovative and modern with the Linux kernel, and UEK is a Linux kernel which combines mainline Linux performance with enterprise stability. UEK has secured world record database benchmarks for Oracle and provides the fastest execution environment for Oracle products. This kernel is refreshed from upstream Linux every 18 months, ensuring that new features can be used by these products in a timely fashion.

Oracle Linux was created in 2006 to provide a Linux solution which was well-tested for enterprise products such as the Oracle Database, Middleware and applications, coupled with enterprise-level support. Oracle has been an active contributor to Linux since 1998, shipping the first ever commercial database on Linux and contributing multiple filesystems and feature enhancements. Our core focus is developing open source products and improving the stability and performance of the OS. Most projects for our team are in C, python, and bash shell. Projects initiated or led by Oracle include core Linux components: btrfs, the next generation Linux filesystem; OCFS2, a general purpose filesystem; t10 DIF, enforcing data integrity throughout the IO stack; and RDS, a reliable datagram socket replacement for UDP on Infiniband fabrics. A comprehensive listing of our open source contributions can be found on oss.oracle.com and oss.oracle.com/git.

You will be expected to have an open source focus and to contribute to and work with external developers, vendors and working groups.

5 years of software design and development experience with distributed, highly-scalable, multi-node environments.

In-depth knowledge and product development experience working on the Linux Kernel or similar systems

Demonstrates advanced experience with C as well as strong experience with scripting languages such as Python, Perl, shell, etc.

Strong understanding of virtual machine technologies, networking and storage systems.

Strong troubleshooting and performance tuning skills.

A background in developing large scale compute or storage products a strong plus.

Advanced understanding of cluster architecture a strong plus.

Database knowledge is a plus but not required for this role.

We are looking for developers who can troubleshoot and fix Linux issues in

production systems in cloud and on-premis. An ideal candidate will be one who

has excellent problem solving and analytical skills and has ability to break

down complex issues inorder to understand and fix them. Should have experience

working with the Linux kernel community and demonstrated experience working

with large or enterprise scale systems. Candidate must know Operating System

internals and have indepth knowledge of at least one of the Linux component.

Candidate must have good communication skills, be team player, self driven,

self motivated and can co-ordinate with other teams as required and sees tasks

through completion

Detailed Description and Job Requirements

Design, develop, troubleshoot and debug software programs for databases, applications, tools, networks etc.

As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs.

Duties and tasks are varied and complex needing independent judgment. Fully competent in own area of expertise. May have project lead role and or supervise lower level personnel. BS or MS degree or equivalent experience relevant to functional area. 4 years of software engineering or related experience.

As part of Oracle's employment process candidates will be required to complete a pre-employment screening process, prior to an offer being made. This will involve identity and employment verification, salaryverification, professional references, education verification and professional qualifications and memberships (if applicable).

Job: Product Development

Location: CZ-CZ,Czech Rep-Brno

Job Type: Regular Employee Hire

Organization: Oracle

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