Advisory SW Engineer - SCSI/FCP

Introduction
The IBM mainframe (Z Systems) is responsible for most credit card transactions and is used by the many of the top insurers banks retailers and airlines.
IBM z/VM® is an operating system with highly secure and scalable hypervisor and virtualization technology designed to run Linux® z/OS® z/VSE® and z/TPF virtual machines as well as Red Hat® OpenShift® on IBM zSystems™ and IBM LinuxONE servers. z/VM provides a highly secure and scalable environment for efficiently running critical Linux applications with support for more Linux virtual servers than any other platform in a single footprint.
The z Linux team is a worldwide team primarily located in Boebling Germany with expansion plans in Bangalore India. All phases of the software life cycle are performed within this team including the design development test as well as supporting the product in the field with customers. Agile methodologies are used throughout the life cycle.
We are looking for qualified system software engineer candidates to be part of our IBM Z Systems team to help us take z Linux development to the next level on the mainframe.

Your Role and Responsibilities

• Work with Product Owner/Lead in understanding customer/project requirements create/implement the design and developing unit test scenarios to validate the solution/fixes.
• Analyse the issues defect reports by test team using traces debugging traces and develop fixes or enhancements.
• Experience dealing with customers problems developing resolution and operating efficiently under pressure.
• Troubleshoot network routing interconnectivity platforms performance and configurations issues in the layers.
• Create and review documentation and process regarding network implementation/deployments recurring issues new standard operating procedures knowledge transfer material etc.
• Participate in continuous and iterative software development cycles with emphasis on code quality supportability scalability and performance6. Document technical issues and solutions

Required Technical and Professional Expertise
Required Technical and Professional Expertise with relevant experience of 10 – 12 years:

• Expert level C programming
• Solid knowledge of GNU GCC Extended Asm (a GNU extension to the C language family) including hands on experience with constraints and clobbers with respect to some ISA
• Strong Operating System development skills (e.g. process scheduling multi-processing support memory management) including device driver programming
• Expert level SMP programming skills (synchronization primitives barriers etc..)
• Participated in Linux kernel development (preferrably with upstream community interactions e.g. commits in githubgitlab oder kernel.org)
• Skills in SCSI architecture (t10.org) and the Linux SCSI stack & device drivers
• Skills in Fibre Channel Protocol (FCP) and FCP-based storage area networks (SANs)
• Skills in Linux blocklayer multipathing and file systems

Preferred Technical and Professional Expertise

• Strong team player with good communication and interpersonal skills
• Proven ability to work effectively in a global team environment
• Proven command over the English language both written and verbal