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Our technology is central to the Era of Pervasive Intelligence, from self-driving cars to learning machines. We lead in chip design, verification, and IP integration, empowering the creation of high-performance silicon chips and software content.</p>\n<p>You are a dynamic engineer with working experience in RTL implementation, DFT/BIST, verification, flow automation, and understanding of hierarchical SoC architectures and IEEE1149/1500 and 1687 standards and pattern porting. 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The team is responsible for building the next generation of AI-native silicon while working closely with software and research partners to co-design hardware tightly integrated with AI models. In addition to delivering production-grade silicon for OpenAI’s supercomputing infrastructure, the team also creates custom design tools and methodologies that accelerate innovation and enable hardware optimized specifically for AI.</p>\n<p><strong><strong>About the Role</strong></strong></p>\n<p>We’re looking for a RTL Engineer to design and implement key compute, memory, and interconnect components for our custom AI accelerator. You’ll work closely with architecture, verification, physical design, and ML engineers to translate AI workloads into efficient hardware structures. This is a hands-on design role with significant ownership across definition, modeling, and implementation.</p>\n<p>This role is based in San Francisco, CA. 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We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees.</p>\n<p><strong><strong>In this role you will:</strong></strong></p>\n<ul>\n<li>Produce clean, production-quality microarchitecture and RTL for major accelerator subsystems</li>\n</ul>\n<ul>\n<li>Contribute to architectural studies including performance modeling and feasibility analysis.</li>\n</ul>\n<ul>\n<li>Collaborate with software, simulator, and compiler teams to ensure hardware/software co-design and workload fit.</li>\n</ul>\n<ul>\n<li>Partner with DV and PD to ensure functional correctness, timing closure, area/power targets, and clean integration.</li>\n</ul>\n<ul>\n<li>Build and review performance and functional models to validate design intent.</li>\n</ul>\n<ul>\n<li>Participate in design reviews, documentation, and bring-up support across the full silicon lifecycle.</li>\n</ul>\n<p><strong><strong>You Might Thrive In This Role If You Have:</strong></strong></p>\n<ul>\n<li>Graduate-level research or industry experience in computer architecture, AI/ML hardware–software co-design, including workload analysis, dataflow mapping, or accelerator algorithm optimization.</li>\n</ul>\n<ul>\n<li>Expertise writing production-quality RTL in Verilog/SystemVerilog, with a track record of delivering complex blocks to tape-out.</li>\n</ul>\n<ul>\n<li>Experience developing hardware design models or architectural simulators, ideally for AI/ML or high-performance compute systems.</li>\n</ul>\n<ul>\n<li>Familiarity with industry-standard design tools (lint, CDC/RDC, synthesis, STA) and methodologies.</li>\n</ul>\n<ul>\n<li>Ability to work cross-functionally with architecture, ML systems, compilers, and verification teams.</li>\n</ul>\n<ul>\n<li>Strong problem-solving skills and ability to think across abstraction layers, from algorithms to circuits.</li>\n</ul>\n<ul>\n<li>Passion for building industry-leading massive-scale hardware systems.</li>\n</ul>\n<p>_To comply with U.S. export control laws and regulations, candidates for this role may need to meet certain legal status requirements as provided in those laws and regulations._</p>\n<p><strong>About OpenAI</strong></p>\n<p>OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_d094148d-0e0","directApply":true,"hiringOrganization":{"@type":"Organization","name":"OpenAI","sameAs":"https://jobs.ashbyhq.com","logo":"https://logos.yubhub.co/openai.com.png"},"x-apply-url":"https://jobs.ashbyhq.com/openai/31b998a9-f62a-439e-89e4-b51aea6311f7","x-work-arrangement":"hybrid","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":"$225K – $445K • Offers Equity","x-skills-required":["RTL","Verilog/SystemVerilog","Computer Architecture","AI/ML Hardware–Software Co-design","Workload Analysis","Dataflow Mapping","Accelerator Algorithm Optimization","Industry-standard Design Tools","Lint","CDC/RDC","Synthesis","STA"],"x-skills-preferred":["Hardware Design Models","Architectural Simulators","AI/ML or High-Performance Compute Systems","Cross-functional Collaboration","Problem-solving Skills","Abstraction Layers"],"datePosted":"2026-03-06T18:28:47.631Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"San Francisco"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"RTL, Verilog/SystemVerilog, Computer Architecture, AI/ML Hardware–Software Co-design, Workload Analysis, Dataflow Mapping, Accelerator Algorithm Optimization, Industry-standard Design Tools, Lint, CDC/RDC, Synthesis, STA, Hardware Design Models, Architectural Simulators, AI/ML or High-Performance Compute Systems, Cross-functional Collaboration, Problem-solving Skills, Abstraction Layers","baseSalary":{"@type":"MonetaryAmount","currency":"USD","value":{"@type":"QuantitativeValue","minValue":225000,"maxValue":445000,"unitText":"YEAR"}}},{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_aeca00cd-202"},"title":"Hardware Tools Engineer","description":"<p><strong>Hardware Tools Engineer</strong></p>\n<p><strong>About the Team</strong></p>\n<p>OpenAI’s Hardware organization develops silicon and system-level solutions designed for the unique demands of advanced AI workloads. The team is responsible for building the next generation of AI-native silicon while working closely with software and research partners to co-design hardware tightly integrated with AI models. In addition to delivering production-grade silicon for OpenAI’s supercomputing infrastructure, the team also creates custom design tools and methodologies that accelerate innovation and enable hardware optimized specifically for AI.</p>\n<p><strong>About the Role</strong></p>\n<p>You will develop and evolve the tooling ecosystem that hardware engineers rely on every day — from hardware compilers and IR transformations to simulation, debugging, and automation infrastructure. The work spans software engineering, compiler concepts, and practical hardware workflows, with direct impact on how quickly and effectively we design next-generation AI systems.</p>\n<p><strong>In this role you will:</strong></p>\n<ul>\n<li>Build and improve the software tooling that makes hardware teams faster: compilation, IR transforms, RTL generation, simulation, debug, and automation.</li>\n</ul>\n<ul>\n<li>Extend and integrate hardware compiler stacks (frontends, IR passes, lowering, scheduling, codegen to Verilog/SystemVerilog) and connect them to real design workflows.</li>\n</ul>\n<ul>\n<li>Improve developer experience and reliability: reproducible builds, better error messages, faster iteration loops, and dependable CI and regression infrastructure.</li>\n</ul>\n<ul>\n<li>Work closely with designers and verification engineers to turn real pain points into durable tools.</li>\n</ul>\n<ul>\n<li>Dive into RTL when needed: read and reason about Verilog/SystemVerilog to debug issues, validate tool output, and improve debuggability.</li>\n</ul>\n<ul>\n<li>Be willing to go all the way down the stack when necessary, including gate-level views, synthesis results, and implementation artifacts.</li>\n</ul>\n<ul>\n<li>Help enable PPA optimization loops by building analysis and automation around area, timing, and power tradeoffs, and by improving tooling that impacts those outcomes.</li>\n</ul>\n<p><strong>You might thrive in this role if:</strong></p>\n<ul>\n<li>Demonstrated ability to build and maintain software (projects, internships, research, open source, or equivalent experience).</li>\n</ul>\n<ul>\n<li>Strong CS fundamentals: data structures, algorithms, debugging, and software design.</li>\n</ul>\n<ul>\n<li>Proficiency in at least one of Rust, C++, or Python (and willingness to learn the rest).</li>\n</ul>\n<ul>\n<li>Familiarity with digital design concepts and the ability to read RTL (Verilog/SystemVerilog) or equivalent hardware descriptions.</li>\n</ul>\n<ul>\n<li>Familiarity with compiler or IR-based ideas (representations, passes, transformations, lowering), through coursework or projects.</li>\n</ul>\n<ul>\n<li>Comfort operating in ambiguity and iterating quickly with users of your tools.</li>\n</ul>\n<p><strong>Nice to have skills:</strong></p>\n<ul>\n<li>Exposure to compiler and hardware toolchains such as XLS/DSLX, LLVM, Chisel/FIRRTL, CIRCT/MLIR, other novel hardware languages (e.g. HardCaml, SpinalHDL, Spade, PyMTL, Clash, BlueSpec, PyRope)</li>\n</ul>\n<ul>\n<li>Experience with Verilog tooling ecosystems (Yosys/RTLIL, Verilator, Slang) or writing tooling around them.</li>\n</ul>\n<ul>\n<li>Experience with build and test infrastructure (Bazel, CI systems, fuzzing, performance testing).</li>\n</ul>\n<ul>\n<li>Prior work touching synthesis, place and route, static timing analysis, or other PPA-related workflows.</li>\n</ul>\n<p><strong>To comply with U.S. export control laws and regulations, candidates for this role may need to meet certain legal status requirements as provided in those laws and regulations.</strong></p>\n<p><strong>About OpenAI</strong></p>\n<p>OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. 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Your expertise in high-speed serializer and data recovery circuits will position you as a key contributor to the next generation of PAM-based SerDes products.</p>\n<p><strong>What you&#39;ll do</strong></p>\n<ul>\n<li>Designing and verifying advanced digital circuits for PAM-based SerDes PHY IP, ensuring robust and high-performance mixed-signal solutions.</li>\n<li>Developing RTL code, modeling analog blocks, and crafting complex system-level testbenches in Verilog to validate functionality and performance.</li>\n</ul>\n<p><strong>What you need</strong></p>\n<ul>\n<li>Bachelor&#39;s or Master&#39;s degree in Electrical Engineering (BSEE or MSEE) with at least 10 years of industry experience in digital design and verification.</li>\n<li>Must be familiar with Verilog and VCS. Good knowledge of back-end synthesis tools DC/PT is required</li>\n<li>Must have knowledge of digital design methodologies, ATE production testing, DFT insertion, Synthesis constraints and flows</li>\n</ul>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_980acb3a-e35","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Synopsys","sameAs":"https://careers.synopsys.com","logo":"https://logos.yubhub.co/careers.synopsys.com.png"},"x-apply-url":"https://careers.synopsys.com/job/mississauga/asic-digital-design-principal-engineer-14687/44408/91568840256","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"full-time","x-salary-range":null,"x-skills-required":["Verilog","VCS","digital design methodologies","ATE production testing","DFT insertion","Synthesis constraints and flows"],"x-skills-preferred":["RTL coding","modeling of analog blocks","writing complex system-level test-benches in Verilog","defining synthesis design constraints","resolving STA issues","gate-level simulation failures","Clock/Reset domain crossing design constraints","evaluating violations using CDC/RDC tools"],"datePosted":"2026-03-06T07:25:02.569Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Mississauga, Ontario, Canada"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"Verilog, VCS, digital design methodologies, ATE production testing, DFT insertion, Synthesis constraints and flows, RTL coding, modeling of analog blocks, writing complex system-level test-benches in Verilog, defining synthesis design constraints, resolving STA issues, gate-level simulation failures, Clock/Reset domain crossing design constraints, evaluating violations using CDC/RDC tools"}]}