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We’re looking for a founding/lead Linux kernel developer to join our Scaling team. In this role, you’ll design and develop Linux kernel components, working at the intersection of hardware and software to unlock performance at scale.
Job Responsibility:
Lead and bootstrap the development of our Linux kernel stack to support high-performance systems
Design and implement kernel drivers, including for functionality related to DMA, PCIe, NICs, and RDMA
Drive end-to-end development of system-scale networking, including required kernel and other low-level software
Collaborate with vendors to integrate their technologies within our systems
Bring up and debug the kernel on new platforms
Build userspace software to support integration, testing, diagnostics, and performance validation
Requirements:
Proven experience leading development within the Linux kernel
Deep knowledge of subsystems relevant to high-performance systems: PCIe, dma-buf, RDMA, P2P, SR-IOV, IOMMU, etc.
Knowledge of subsystems and frameworks related to scale-out networking: ibverbs, ECN/DCQCN, etc.
Strong programming skills in C, C++, Python, and Linux shell scripting
Experience working directly with engineering teams to define interfaces and tooling
Track record of managing vendor deliverables and technical relationships
Background in embedded systems development (bootloaders, drivers, hardware/software integration)
Ability to thrive in ambiguity and build systems from scratch
Nice to have:
Rust experience is a strong plus
What we offer:
Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
401(k) retirement plan with employer match
Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)
Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law)
Mental health and wellness support
Employer-paid basic life and disability coverage
Annual learning and development stipend to fuel your professional growth
Daily meals in our offices, and meal delivery credits as eligible
Relocation support for eligible employees
Additional taxable fringe benefits, such as charitable donation matching and wellness stipends, may also be provided
Offers Equity
Performance-related bonus(es) for eligible employees