Member Of Technical Staff, Kernel IO
On-siteBengaluru, Karnataka, India
Job Summary
Lead a team of kernel engineers to architect resilient Linux and VMware initiator stacks for high-performance storage protocols, including NVMe over Fabrics and Fibre Channel. Drive performance profiling, tuning, and optimization of storage target and initiator stacks while upstreaming code fixes to the open-source Linux kernel. Solve complex low-level SAN congestion, multipathing, and kernel bottlenecks to maximize IOPS and bandwidth, partnering with vendors like Cisco and Broadcom to integrate advanced PCIe and HBA technologies. Own internal Linux kernel maintenance strategies and test automation frameworks to ensure robust validation of supported SAN configurations.
Required Qualifications
- Proven expertise writing, debugging, and optimizing low-level Linux/Unix device drivers
- Deep hands-on command of interrupt handling
- Deep hands-on command of memory management
- Deep hands-on command of NUMA optimization
- Deep hands-on command of lock contention analysis
- Deep technical understanding of SAN architecture and storage protocol stacks
- Deep technical understanding of Fibre Channel (FC-FS, FCP, FC-NVMe)
- Deep technical understanding of NVMe over Fabrics (RoCE, TCP, FC)
- Strong grasp of SAN congestion mechanisms like buffer-to-buffer credits
- Mastery of low-level diagnostics and profiling tools such as perf, ftrace, eBPF, blktrace, or crash
- Demonstrated ability to technically steer complex projects from conception to deployment
- Demonstrated ability to mentor peer engineers
- Demonstrated ability to collaborate cross-functionally with external technology partners
- Proficiency in C and C++ for core kernel/driver development
- Python skills to drive advanced test automation
- Expected to work from the Bangalore office in compliance with Pure's policies
Desired Qualifications
- Experience leading a talented engineering group
- Experience architecting resilient Linux and VMware initiator stacks
- Experience upstreaming code to the open-source Linux community
- Experience defining next generation of NVMe and Fibre Channel performance
- Experience solving industry's most complex, low-level SAN congestion, multipathing, and kernel-level bottlenecks
- Experience maximizing IOPS and bandwidth
- Experience enhancing system self-healing and link health
- Experience partnering with major Fibre Channel and fabric vendors (such as Cisco and Broadcom)
- Experience integrating state-of-the-art PCIe Gen4/Gen5 and HBA technologies
- Experience owning the strategy for internal Linux kernel maintenance
- Experience owning test automation frameworks
- Experience ensuring robust validation of supported SAN configurations
- Experience ensuring highly predictable field behavior
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.