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Urgent) Member Of Technical Staff, Kernel IO

1 month ago

Bengaluru, Karnataka, India Pure Storage Full time
Member Of Technical Staff, Kernel IO

Bangalore, India

Experience: 12+ Years

We're in an unbelievably exciting area of tech and are fundamentally reshaping the data storage industry. Here, you lead with innovative thinking, grow along with us, and join the smartest team in the industry.

This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us.

SHOULD YOU ACCEPT THIS CHALLENGE...

The Kernel and Driver development team is responsible for several areas

- Working for a team that deals primarily in various storage area network protocols such as Fiber Channel and Ethernet.
- On the initiator side, the team will be responsible for Linux initiator behavior attached to Flasharray. Focus is on NVME (ROCE, FC, TCP/IP) but also includes FC-SCSI (FCP) and iSCSI interfaces. This includes software development/fixes for Linux initiator stack, debugging initiator problems, and creating compatibility documents for Purity. For VMWare, focus is on debugging issues with VMWare as an initiator, and creating compatibility documentation.
- For FibreChannel and NIC Drivers, focus is responsibility for FC-SCSI driver stack for storage side and responsibility for NIC drivers on networking side. This includes responsibility for related code, utilities, enhancements supporting RAS, as well as debugging failures found internally and in the field.
- Maintain Linux kernels for internal testing
- Documenting supported configurations for customers
- Responsibility for evaluating Linux initiator behavior and optimizing for Pure Storage Flasharray. This includes correctness as well as optimizing for performances. Will contribute bug fixes and enhancements to Linux upstream. Analyze and debug difficult Linux bugs to optimize Flasharray attachment.
- Responsible for maintaining Purity's Fibre Channel SCSI (FCP) target driver. Maintenance includes driver updates for enhancements, bugs fixes and new hardware.
- Resolve difficult Fibre Channel bugs found internally or externally and enhancing the resilience of Pure's FC stack. This includes projects around multipathing and link health.
- Responsible for maintaining NIC drivers on Pure's storage systems.
- Dealing with middle ware C++ modules

Role Description

- Team lead for a group of engineers with responsibility for Linux and VMWare initiator stack behavior as well as Fibre Channel and NIC drivers on Pure storage array.

Required skills

- Strong experience writing device drivers and/or kernel development for Linux/Unix. Prefer experience in storage and/or networking drivers
- Minimum 5 years of development experience, but expect that typically candidates would have 10+ years experience.
- Experience designing and implementing significant components in storage protocol stacks and storage systems.
- Experience with storage protocols: either SCSI (FC-SCSI or iSCSI/FCP) and/or NVME Fabrics (NVME/ROCE, NVME/TCP or NVME/FC) will be an advantage.
- Experience leading other engineers technically. Should be able to mentor more junior engineers and lead other engineers in an overall project. Should demonstrate on time delivery with high quality.
- Experience with performance analysis/optimization for storage systems or protocols
- Should have VMWare experience, with understanding of their initiator stack.
- Experience writing Linux storage device drivers, including some sets of Fibre Channel, NVME, ROCE, block and multipath modules.
- Experience debugging difficult storage attach issues.
- Experience with software development using C and C++, along with Python
- Experience upstreaming Linux code is preferred
- Should have experience developing test automation
- Experience analyzing and optimizing storage performance
- Experience writing storage or networking device drivers, preferred in Linux/Unix environment
- Demonstrated experience debugging difficult protocol/kernel/system issues
- Experience with network protocols, including TCP/IP

Preferred skills

- Comprehensive understanding of TCP/IP networking stack
- Experience contributing to Linux upstream
- Experience in creating automated testing

WHAT YOU CAN EXPECT FROM US:

- Pure Innovation: We celebrate those who think critically, like a challenge and aspire to be trailblazers.
- Pure Growth: We give you the space and support to grow along with us and to contribute to something meaningful. We have been Named Fortune's Best Large Workplaces in the Bay Area, Fortune's Best Workplaces for Millennials and certified as a Great Place to Work
- Pure Team: We build each other up and set aside ego for the greater good.

And because we understand the value of bringing your full and best self to work, we offer a variety of perks to manage a healthy balance, including flexible time off, wellness resources and company-sponsored team events. Check out purebenefits.com for more information.

ACCOMMODATIONS AND ACCESSIBILITY:

Candidates with disabilities may request accommodations for all aspects of our hiring process. For more on this, contact us at TA-Ops@purestorage.com if you're invited to an interview.

WHERE DIFFERENCES FUEL INNOVATION:

We're forging a future where everyone finds their rightful place and where every voice matters. Where uniqueness isn't just accepted but embraced. That's why we are committed to fostering the growth and development of every person, cultivating a sense of community through our Employee Resource Groups and advocating for inclusive leadership. At Pure Storage, diversity, equity, inclusion and sustainability are part of our DNA because we believe our people will shape the next chapter of our success story.

Pure Storage is proud to be an equal opportunity employer. We strongly encourage applications from Indigenous Peoples, racialized people, people with disabilities, people from gender and sexually diverse communities, and people with intersectional identities. We also encourage you to apply even if you feel you don't match all of the role criteria. If you think you can do the job and feel you're a good match, please apply.