Senior Software Engineer - HPC & Low-Level Systems

New Senior Software Engineer - HPC & Low-Level Systems On Site, Palo Alto, California Apply About Us Clockwork.io – A Software-Driven Revolution in AI Networking Clockwork Systems was founded by Stanford researchers and veteran systems engineers who share a vision for redefining the foundations of distributed computing. As AI workloads grow increasingly complex, traditional infrastructure struggles to meet the demands of performance, reliability, and precise coordination. Clockwork is pioneering a software-driven approach to AI networking, delivering deterministic time, ultra-low latency, and seamless scalability for modern distributed systems. To learn more, visit www.clockwork.io . What you will do Use your knowledge and experience to lead/contribute directly to the design and build of high performance, reliable and scalable systems. You bring At least 5 years of experience with C/C++ systems programming Deep knowledge of Linux internals (e.g., system calls, memory management, kernel modules) Strong foundation in concurrent programming and synchronization techniques Strong understanding of the TCP/IP stack, socket programming, and low-latency networking (e.g., RDMA, DPDK, XDP) Strong understanding of memory hierarchy, CPU caches, multi-core architectures, and GPUs Strong skills in systems design, performance analysis, and low-level debugging Nice to Have Contributions to open-source HPC libraries or Linux kernel subsystems Experience with performance tuning of large-scale HPC clusters Experience with MPI, RPC frameworks, or distributed runtimes Experience with NCCL, CUDA and GPU Kernels Knowledge of RDMA APIs (e.g., libibverbs) and transport semantics Experience with NIC drivers or NIC architecture Enjoy Challenging projects. Competitive compensation. A great benefits package. A friendly and inclusive workplace culture. Catered lunches. Working in the heart of Silicon Valley.   Clockwork Systems is an equal opportunity employer. We are committed to building world-class teams by welcoming bright, passionate individuals from all backgrounds. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, religion, age, sex, sexual orientation, gender identity or expression, national origin, disability, or protected veteran status. We believe diversity drives innovation, and we grow stronger together. Create a Job Alert Interested in building your career at Clockwork.io? Get future opportunities sent straight to your email. Create alert Apply for this job * indicates a required field Autofill with MyGreenhouse First Name * Last Name * Preferred First Name Email * Phone Country * Phone * Resume/CV * Attach Attach Dropbox Google Drive Enter manually Enter manually Accepted file types: pdf, doc, docx, txt, rtf Cover Letter Attach Attach Dropbox Google Drive Enter manually Enter manually Accepted file types: pdf, doc, docx, txt, rtf Education School * Select... Degree * Select... Discipline * Select... Add another Years of experience in the software industry, excluding education? * Select... What is your current location? Are you willing to work on site? * Select... Do you have US work authorization? * Select... Where did you hear about this position? Your LinkedIn profile link Your website URL Additional attachment? Attach Attach Dropbox Google Drive Accepted file types: pdf, doc, docx, txt, rtf Comments? Submit application