Staff Test Engineer - Kernel Drivers (9-13 years)
Summary
Leads validation of Linux kernel drivers for AI computational storage, defining test strategies, performance benchmarks, and fault-injection frameworks for PCIe devices, DMA, and MMIO interactions.
We are seeking a Staff Test Engineer – Linux Kernel Driver Testing to define and lead validation of kernel drivers for a next-generation AI computational storage product.
Key Responsibilities
Define validation strategy for Linux kernel drivers (PCIe devices) & Establish release readiness and qualification criteria
Lead testing of: Interrupt handling, DMA flows, MMIO interactions and Multi-device configurations
Drive smoke, regression, and stress validation strategy
Establish performance benchmarking for driver and I/O paths
Perform and guide kernel-level profiling and performance analysis
Utilize and drive adoption of Linux observability tools like ftrace, systrace, perf, procfs (/proc) and sysfs (/sys)
Ensure memory correctness, leak detection, and resource stability
Validate driver reliability under stress and corner-case conditions
Design frameworks for Fault injection and Error handling validation
Debug complex issues across kernel, runtime, and firmware layers
Required Qualifications
8–12 years in Linux kernel/driver validation or development
Deep experience with: PCIe subsystem, Kernel internals, DMA and memory management
Strong debugging skills using: ftrace, perf, crash, gdb, etc.
Expertise in C/C++ and kernel-level programming
Preferred
Experience with kernel profiling, tracing, and performance tuning
Strong familiarity with Linux observability tools (ftrace, systrace, perf, procfs/sysfs)
Experience with high-performance devices (accelerators, storage, networking)
Exposure to queue-based device models (NVMe-like architectures)
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