1mo
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Senior Principal Software Engineer - 5 (Linux Kernel Engineer)
Santa Clara or Seattle or United States
$97k-$306k/yr OnsiteFull Time
10+ YOEExtensive Unix/Linux kernel and OS development experience, proficiency in C, familiarity with kernel debugging, experience with kernel subsystems (networking, storage, memory, security), and familiarity with Python and Bash.
C, Python, Bash, DPDK, OFED, RoCE, InfiniBand, iSCSI, Fibre Channel, NFS, ZFS, Btrfs, XFS, Linux, TPM, Secure Boot
5d
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Senior Inference Engineer, GPU Kernel Optimization
Santa Clara or Austin or New York City or Seattle
$184k-$288k/yr OnsiteFull Time
6+ YOE6+ years industry experience; strong Python and C++; hands-on GPU profiling (CUPTI, NSYS, NCU); experience with LLM inference frameworks and GPU kernel optimization; advanced degree or equivalent experience.
Python, C++, CUPTI, NSYS, NCU, TRT-LLM, SGLang, vLLM, CUDA, CUTLASS, Triton, PTX, SASS, LLVM, MLIR, ptxas, FlashInfer
2w
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Senior Software Engineer - GPU Kernel Authoring & Optimization
Sunnyvale or Bellevue
$182k-$242k/yr OnsiteFull Time
5+ YOE5+ years building HPC/GPU software, hands-on CUDA kernel authoring and optimization, C++/Python coding, GPU profiling, and experience delivering performance at scale.
CUDA, Nsight Compute, Nsight Systems, C++, Python, Triton, Mojo, CuTe DSL, JAX, HIP, ROCm, NCCL, Kubernetes, SUNK, Slurm, MLPerf, vLLM, TensorRT-LLM, llm-d, SGLang, KNYFE, Pallas, CUTLASS
1mo
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Senior Product Security Engineer, Secure Design (Kernel and Virtualization)
United States or Seattle
$140k-$175k/yr RemoteFull Time
Deep kernel and virtualization security expertise; threat modeling and mitigation design for hypervisors (Qemu/KVM); strong systems-level coding background; ability to partner with engineering teams and communicate security risks.
AppArmor, SELinux, Landlock, Qemu, KVM, Go, Rust, C, LinkedIn Learning
1mo
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Embedded Linux Engineer
Seattle or Costa Mesa
$166k-$220k/yr OnsiteFull Time
U.S. Person required. Experience with Linux kernel development, board bring-up (device trees, bootloaders, kernel drivers), uboot/EDK2, triaging and patching vulnerabilities, C or Rust, and interest in Nix/NixOS instead of Yocto/buildroot.
Linux kernel, uboot, EDK2, Nix, NixOS, Yocto, buildroot, C, Rust, CUDA, C++, Python, Go, Haskell
1mo
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Member of Technical Staff - Low Level & Kernels Capabilities
San Francisco or Toronto or Seattle
$200k-$350k/yr OnsiteFull Time
Experienced low-level systems engineer fluent in C/C++/CUDA and Python, kernel and kernel-optimization experience, hardware-aware coding, familiarity with LLMs, and ability to design robust, ungameable RL environments.
C, C++, CUDA, Python, assembly, cuBLAS, FFTW, OpenSSL, FPGA, RISC-V, SIMD, AVX, TPU, RTL, HDL, HLS, MLIR, LLVM, Mojo, Triton, gem5, Lean, Coq, SMT
1w
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Software Engineer III, AI and Infrastructure, gVisor
Sunnyvale or Kirkland
$147k-$211k/yr OnsiteFull Time
2+ YOEBachelor’s degree or equivalent, ~2 years software development experience, experience with large-scale distributed systems, Linux kernel internals, cloud platforms, and one or more languages (Java,C/C++,Python,JavaScript,Go).
Kubernetes, Google Cloud Functions, Linux Kernel, Java, C/C++, Python, JavaScript, Go, Docker, containerd, Vertex AI, TPU
2mo
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Principal Modem Engineer
Plano or New York or Basking Ridge or Bellevue or Santa Clara or Boise
$232k-$293k/yr OnsiteFull Time
10+ YOE10+ years embedded Linux/modem development, 5+ years cellular modem driver development, 3+ years eSIM/OpenWrt experience; proficiency in C/C++; Linux kernel driver and modem interfaces; BS in EE/CE/CS/Telecom required.
OpenWrt, LEDE, Linux kernel, qmi_wwan, QMI, RMNET, AT commands, C, C++, iptables, nftables, iproute2, netifd, Jenkins, GitLab CI, GitHub Actions, Qualcomm SDX-series
1mo
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Senior Avionics Software Engineer (Engines)
Huntsville or Seattle
$198k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEB.S. in engineering/CS or related, 8+ years developing/testing real-time embedded systems, experience with bare metal/RTOS/Linux kernel, C/C++, Python, device drivers, git/JIRA/Confluence, SDLC, TCP/IP, and verification/validation.
C, C++, Python, git, JIRA, Confluence, RTOS, Linux kernel, TCP/IP, DO-178, NPR 7150, Rust, UML
2w
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Sr. Engineer II, Sensor - Sensor Performance Engineering (Hybrid)
Sunnyvale or Austin or Redmond
$160k-$250k/yr HybridFull Time
10+ YOE10+ years Windows kernel/kernel-mode or deep systems engineering; expert with WPA/xperf/ETW/WPP/ETL analysis; strong Windows kernel API knowledge; experience with large-scale performance investigations and customer escalations.
Windows Performance Analyzer (WPA), xperf, ETW, WPP, ETL, ETWReader, SQL Server, AnyConnect
1w
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R&D Software Engineer
California or Burlington or Bellevue
$122k-$195k/yr OnsiteFull Time
8+ YOEDeep knowledge of processor architecture, OS kernel and virtualization; experience in C and assembly; x86_64 proficiency; relevant degree with multiple years of experience.
C, Assembly, x86_64, VT-x, AMD-V, VMware Cloud Foundation (VCF), vSphere
2mo
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Software Engineer, EC2 Nitro
Seattle, Washington, United States
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years professional software development; 2+ years design/architecture; experience in C/C++ or Rust; knowledge of TCP/IP; kernel/embedded development; Bachelor’s in CS preferred.
C, C++, Rust, Python, Ruby
1d
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Senior Software Engineer
Redmond, Washington, United States
$120k-$235k/yr HybridFull Time
4+ YOE4+ years engineering experience, deep Rust and systems/driver expertise, Windows driver and kernel debugging knowledge, OS primitives understanding, and ability to design secure, high-performance drivers.
windows-drivers-rs, Windows Driver Kit (WDK), WDF, KMDF, UMDF, Rust, C, C++, C#, Java, JavaScript, Python, WinDbg, ETW
3w
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Platform Security Engineering, Operating Systems
San Francisco or New York City or Seattle
$320k-$405k/yr HybridFull Time
Deep Linux internals and kernel security knowledge, C and systems programming, eBPF experience, familiarity with SELinux/AppArmor/seccomp, track record fixing OS-level vulnerabilities; bachelor's degree or equivalent.
Linux, SELinux, AppArmor, Linux Security Modules, seccomp, eBPF, C, SEV, TDX, SGX, TPM, HSM
4d
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Staff Software Engineer, Networking (Seattle or SF Bay Area)
San Francisco or Seattle
$170k-$276k/yr RemoteFull Time
8+ YOE8+ years building large-scale distributed/cloud systems with networking expertise; experience with container networking, service mesh, kernel and user-space networking, cloud platforms, CI/CD, and strong debugging and communication skills.
Linux, OVS/OVN, DPDK, eBPF, AWS, Azure, GCP, OCI, CI/CD, Docker
2mo
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Applied AI Engineer - iCloud Data
Cupertino or Seattle
OnsiteFull Time
8+ YOE8+ years software engineering; 3+ years LLM/agent systems; proficiency in Python/Scala/Java/Go; experience with LangChain, LlamaIndex, Semantic Kernel; AI systems production discipline; data infrastructure, SQL, lakehouse; MS/BS in CS/AI/ML or related field.
Python, Scala, Java, Go, LangChain, LlamaIndex, Semantic Kernel, Google ADK, FAISS, Chroma, LLM frameworks, vector databases, SQL engines, Trino, Presto, Spark, Apache Flink, Kafka Streams
3w
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Senior Engineering Manager, AI Infrastructure
Seattle, Washington, United States
$147k-$220k/yr OnsiteFull Time
12+ YOE2+ Mgmt12+ years infrastructure/HPC experience, 2+ years supervising engineering teams, Bachelor's in a related field, hands-on GPU/HPC, orchestration, storage, Go or Python proficiency.
Linux kernel, InfiniBand, NCCL, Beaker, AWS, GCP, Kubernetes, Slurm, WEKA, Ceph, Lustre, Go, Python
1mo
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Network Reliability Engineer
Austin or Atlanta or Denver or Seattle or Washington
HybridFull Time
3+ YOE3+ years network/site reliability engineering experience; BA/BS in CS or equivalent; experience with Saltstack, Ansible, Chef, NX-OS/JUNOS/EOS/Cumulus/Sonic; Linux administration; iproute2, Traffic Control, Devlink; software development in Go and Python; AI/LLM tooling experience.
Saltstack, Ansible, Chef, NX-OS, JUNOS, EOS, Cumulus, Sonic, LLM, iproute2, Traffic Control, Devlink, Go, Python, AirFlow, Temporal, FRR, Bird, GoBGP, C, C++, rust, Linux, Linux kernel, Prometheus, Grafana, Thanos, Clickhouse, Kubernetes, Docker, Consul