PCIE Jobs

Nebius is building a full-stack AI cloud platform to support developers and enterprises from data and model training through to production deployment. We are looking for a Lead Software Systems Engineer - GPU Performance to play a key role in building our hyperscaler platform. This role involves analyzing and optimizing the performance of large-scale GPU clusters at the intersection of hardware and software, operating across the full stack from hardware and system software to networking, virtualization, and distributed communication layers.

$170k - $300k

Nebius is building a full-stack AI cloud platform to support developers and enterprises in AI/ML infrastructure. This senior systems engineering role focuses on diagnosing and resolving complex hardware and platform failures in high-performance AI infrastructure. The engineer will work across Linux, GPU servers, PCIe, firmware, power, and cooling to determine the root cause of issues, developing new troubleshooting procedures for ambiguous problems. The role requires strong ownership, curiosity, and the ability to turn ambiguous problems into evidence-based conclusions.

$180k - $224k

SambaNova is seeking a Principal Engineer to own kernel-level drivers and low-level software for high-speed IO, memory, and networking subsystems within the DataScale® platform and RDU architecture. This role is central to delivering reliable, high-performance AI systems at scale. This is a hands-on Linux kernel and device driver role; it is not an application or platform software role. You will lead software bring-up of new silicon, deliver production drivers across the IO, memory, and network data paths, and debug complex issues spanning kernel, firmware, and hardware. This role suits an engineer with deep kernel and driver expertise and strong hardware fluency, who can operate in ambiguity and execute with high ownership.

$180k - $255k

NVIDIA is seeking outstanding system architects to design the next generation GPU system interface. This position offers the opportunity to have a real impact in a dynamic, technology-focused company impacting the field of artificial intelligence and product lines ranging from consumer graphics to self-driving cars. We have crafted a team of extraordinary people stretching around the globe, whose mission is to push the frontiers of what is possible today and define the platform of tomorrow.

$152k - $288k

We are seeking software engineers to develop next-generation high-speed interconnect technologies for GPU and high-performance computing servers. This role involves close collaboration with hardware architects, silicon designers, and platform software experts to drive innovation in factories and data centers. The ideal candidate will possess strong C++ programming skills, a deep understanding of networking concepts, systems software fundamentals, and current hardware architecture. Excellent communication and meticulous engineering practices are essential for providing robust and efficient solutions to validate and test next-generation processors.

$184k - $357k

d-Matrix is seeking a Senior Staff Inference Performance Engineer to join their Inference Cloud Engineering team. This role is responsible for the end-to-end performance of workloads deployed on d-Matrix's inference services, ensuring they perform at least as well as on bare metal. The engineer will diagnose and isolate performance issues across the full serving path, from orchestration to inference internals, and will be responsible for either fixing problems directly or handing them off to the appropriate owning team with clear evidence. The role involves assessing scalability, defining node requirements for optimal deployment, and building telemetry and benchmarks to support these efforts. The ideal candidate will mentor other engineers in a profiling-first methodology.

$175k - $265k

Cerebras Systems is seeking a senior front-end design engineer to join the world-class team designing and developing the next generations of the Cerebras Wafer Scale Engine (WSE). This role involves deep expertise in RTL design and integration, focusing on high-performance, power-efficient, and scalable solutions. You will collaborate closely with verification, physical design, software, and system teams to bring innovative semiconductor architectures from concept to production, tackling the unique challenges of building WSE systems. The company's architecture enables industry-leading AI training and inference speeds, transforming AI applications and unlocking real-time iteration and agentic computation.

$200k - $290k

NVIDIA is at the forefront of visual and AI computing, driven by our pioneering work with GPUs. We are seeking a GPU PCIe and Boot Architect to join our team and design the architecture and infrastructure for critical system functions including boot, PCIe/CXL enumeration, and capability discovery. This role involves collaborating with global software, hardware, and verification teams to shape the next generation of GPUs, creating functional and performance models, and supporting post-silicon validation. If you are creative, autonomous, and passionate about building the industry's highest-performance chips, we encourage you to apply.

$108k - $196k

Runpod is seeking a systems-focused Cloud Infrastructure Security Engineer to safeguard its bare-metal and virtualized GPU cloud infrastructure. This role is crucial for ensuring the security, multi-tenant isolation, and integrity of the underlying GPU cloud infrastructure. The ideal candidate will have deep knowledge of Linux systems, kernel internals, hypervisors, and containerization, focusing on preventing tenant breakouts, securing GPU hardware, and building resilient infrastructure for AI and machine learning workloads. You will operate with an attacker's mindset, identifying and patching vulnerabilities at the lowest levels of the stack.

$152k - $175k

Together AI

Together AI is building the AI Native Cloud, an end-to-end platform for the full generative AI lifecycle, combining a fast LLM inference engine with state-of-the-art GPU cloud infrastructure. The Together Cloud team builds the flagship IaaS product that provides high-performance, AI-ready GPU clusters through a self-serve cloud console, along with the virtualized infrastructure layer powering Together's inference, RL, and fine-tuning products. As a Senior Software Engineer focusing on AI Compute, you will build and own major components of the next generation AI cloud platform – a highly available, global cloud infrastructure with cutting-edge virtualization of the latest ML hardware. This virtualized computing platform powers our own SaaS products and serves external cloud customers through self-serve offerings. The hard problems in rapidly scaling heterogeneous GPU fleets are software problems that we solve by building global and in-DC services, Kubernetes operators, and high-performance SDN libraries, forking hypervisors and Linux kernels, and building infra tailored to inference and fine-tuning. You'll own massive greenfield projects across their full lifecycle – scoping the problem, designing the system, and building it through to GA launch.

$220k - $270k

NVIDIA's Architecture group is seeking a GPU System Performance Architect passionate about GPU-accelerated deep learning, data analytics, and high-performance computing. This role involves designing and developing the next generation of GPU-accelerated computing systems, offering a significant impact within a dynamic, technology-focused company. You will contribute to innovative processor and system architectures, analyze system performance trade-offs using analytical models and simulators, and understand hardware-software interactions in large-scale data center deployments. Collaboration across software, product, and business teams will be key to guiding the future of GPU-accelerated cloud computing.

$224k - $357k