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
3mo
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Kernel/OS Engineer, AWS EC2 Nitro Operating System
Seattle or Santa Clara
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years professional software development; 2+ years design/architecture; strong Linux kernel experience; C, Lua, Rust, or similar languages.
Linux, C, Lua, Rust, ash
1mo
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Senior Linux Kernel Systems Software Engineer – CSP Engagements
Santa Clara or Austin or Redmond or Seattle
$184k-$357k/yr OnsiteFull Time
10+ YOE10+ years system software experience; expert in Linux kernel internals, device drivers, PCIe/USB/Ethernet, ARM (aarch64) and x86, kernel debugging (GDB, kdump, eBPF), C/C++, Python, virtualization, Kubernetes, NUMA and performance optimization.
GDB, kdump, eBPF, ARM (aarch64), x86, C, C++, Python, Kubernetes, CUDA, PCIe, USB, Ethernet, IOMMU, NUMA, CXL
1w
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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
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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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Senior Solutions Architect, First Time Deployment Networking Spectrum-X - NVIS
Santa Clara or Texas or Virginia or Washington
$148k-$236k/yr HybridFull Time
6+ YOE6+ years software/networking experience, strong Linux kernel and Ethernet/IP knowledge, debugging L2–L4 network issues, degree in CS/EE or equivalent, customer-facing and problem-solving skills.
Linux kernel, C, perl, Python, shell, Ethernet, InfiniBand, RoCE, RDMA
2w
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Senior Software Engineer, C++ (Endpoint State & Control)
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa
$150k-$220k/yr HybridFull Time
7+ YOEBachelor's degree,7+ years C++ (C++14+) development,5+ years Windows systems-level C++ experience,Windows kernel driver experience,ability to author architecture and drive technical design.
C++, C++14, Windows kernel, minifilter, WFP, eBPF, Apple Endpoint Security framework, Java, Kotlin, Golang, Postgres, AWS
2d
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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
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
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
1w
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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
1mo
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R&D Software Engineer - Virtual Machine Monitor
California or Burlington or Bellevue
$129k-$230k/yr OnsiteFull Time
7+ YOEDeep knowledge of processor architecture and OS kernel internals; experience in C and assembly; virtualization/kernel experience; x86_64 proficiency; advanced degree plus years of related experience; must be authorized to work in the US.
C, Assembly, VT-x, AMD-V, x86_64, VMware Cloud Foundation (VCF), vSphere
2w
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Principal Tetragon Software Engineer
San Jose or North Dakota or Montana or Maine or Ohio or Nebraska or Louisiana or Texas or Nevada or Hawaii or Georgia or Mississippi or Connecticut or Colorado or Wyoming or Wisconsin or West Virginia or Maryland or California or Vermont or New York or New Jersey or Arkansas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or New Mexico or New Hampshire or Kentucky or Alabama or South Carolina or Illinois or Missouri or Massachusetts or Iowa or Tennessee or North Carolina or Minnesota or Kansas or Alaska or Rhode Island or Delaware or Washington or Virginia or Utah or Oregon or Florida or Oklahoma
$231k-$332k/yr RemoteFull Time
10+ YOE10+ years systems programming experience; strong Go and eBPF knowledge; Linux, distributed systems, and kernel-level experience; architecture and performance optimization skills.
Go, eBPF, C, C++, Java, Python, Rust, Kubernetes, Cilium, Tetragon, Splunk, Linux
3mo
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Software Engineer - C++ GPU Performance
Foster City or Boston or San Diego or Seattle
$168k-$239k/yr HybridFull Time
3+ YOE3+ years experience; BS in Computer Science or related field; strong CUDA, C++, Linux; GPU performance optimization; experience with GPU kernels and performance tooling.
CUDA, Nsight, C++, Linux, TensorRT, XLA, OpenGL, RocM
2w
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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
2mo
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Artificial Intelligence/Machine Learning Data Engineer
Charlotte or Morristown or Jersey City or Cleveland or California or Colorado or District of Columbia or Illinois or Maryland or Massachusetts or Minnesota or New York or New Jersey or Washington
$44-$54/hr HybridFull Time
5+ YOEMinimum 5 years in data/ML/AI or software engineering; strong Python and SQL; experience with LLMs, agent frameworks (LangChain, Semantic Kernel, LlamaIndex, AutoGen), ML deployment and data pipelines; Associate's degree required.
MLflow, Azure ML, SageMaker, Kubeflow, TensorFlow, PyTorch, Scikit-Learn, Spark, Databricks, FAISS, Pinecone, Chroma, Milvus, Redis, CI/CD, Docker, Kubernetes, Azure, AWS, GCP, Kafka, EventHub, Kinesis, LangChain, Semantic Kernel, LlamaIndex, AutoGen, Python, SQL, Scala, Java, Go
1mo
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CAD Integration Software Engineer
Canada or Washington
HybridFull Time
3+ YOE3+ years working with B-rep geometry kernels (Parasolid, ACIS, OpenCASCADE); Bachelor's in CS/Software Engineering; strong OOP, debugging, and experience with scientific/CAE desktop apps; Python and C++/C# interoperability preferred.
Parasolid, ACIS, OpenCASCADE, Python, C++, C#
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Principal Software Engineering - WindowsOS Platform
Vancouver, Washington, United States
$212k-$318k/yr OnsiteFull Time
6+ YOEBachelor's in CS/Engineering/Information Systems (or higher) plus 6-8+ years software engineering experience; expertise in Microsoft Windows OS, drivers, kernel and security; programming in C, C++, Java, Python; strong leadership and cross-functional collaboration.
C, C++, Java, Python, C#, Microsoft Windows, Microsoft Windows HLK, WHQL, Microsoft Windows Update, UEFI, ACPI, System BIOS, hypervisor
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