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SiFive
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  • Senior ALU Design Engineer  

    - Cambridgeshire
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive... Read More
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. Are you ready?  To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.Job Description:Responsibilities:Specify, design and implement new arithmetic operators for arithmetic RISC-V instructions, including floating-point, vector, crypto and integer operations.Optimize timing, area and power usage, or reduce latencies of existing operatorsUnit and formal testing for optimizations, writing new tests for new designs Work with the physical implementation team to optimize physical design to frequency, area, and power targets.Create documentation to a high standard and collaborate across teams and disciplines.RequirementsMasters or higher degree in electronic engineering or computer science with a strong mathematical background OR a degree in a related field with a strong background in code development2+ years of RTL design or related design experience.Academic or professional experience with arithmetic RTL design or CPU RTL design in Chisel, Verilog, System Verilog or VHDL.Knowledge of at least one object-oriented or functional programming language and willingness to adopt Chisel hardware generator designAttention to detail and a focus on high-quality code and documentation.Ability to work well with others and share the belief that engineering is teamwork.This is a hybrid working position with 1 office day per week expected; more office days are possible if the successful candidate so prefersAdditional Information:This position requires a successful background and reference checks and satisfactory proof of your right to work in:United KingdomAny offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.SummaryLocation: Cambridge, England, United KingdomType: Full time Read Less
  • Sr. Staff Functional Safety Engineer  

    - Cambridgeshire
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive... Read More
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. Are you ready?  To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.Job Description:ResponsibilitiesThe Functional Safety Engineer will be responsible for driving functional safety activities throughout the entire product development lifecycle. Key responsibilities include:Functional Safety Management: Leading and coordinating all functional safety activities for assigned programs in accordance with ISO 26262 and our internal management system requirements.Competency & Compliance: Work with the Organizational FuSa Manager to ensure all relevant FuSa practices are planned and implemented and the required competencies are in place or covered by proper training.Safety planning and monitoring: Creating the safety plan, incorporating it into the overall program planning and monitoring the safety activities and tracking it to completionSafety Case Development: Creation and maintenance of the safety case, demonstrating achievement of functional safetyStakeholder Communication: Communicating safety status, risks and progress to senior management.Process Improvement: Contributing to the continuous improvement of our functional safety processes and methodologies.Development of Safety Package - Supporting the development of Safety Manual, Development Interface Agreement and Safety Analyses.Performing Safety Analysis: Supporting functional safety analysis of hardware including DFMEA, FMEA, FMEDA and DFAImpact Analysis: Conducting safety impact analyses for errata affecting the product (e.g., as part of the Bug Review Committee - BRC).Requirements Traceability: Supporting FuSa architects, product architects, designers, verification team regarding requirements traceability throughout the development process.Audits & Assessments: Supporting and participating in internal and external FuSa audits and assessments.Reviews & Approvals: Performing necessary reviews of functional safety workproductsCross-Functional Collaboration: Working closely with engineering teams (Program management, Architecture, Cybersecurity, Design, DV,  Software, System Test, Horizontals, Ptech) to ensure safety requirements are correctly captured, understood, implemented and verified.Job QualificationsBachelor’s degree in Electrical Engineering, Computer Science, Computer Engineering, or a related technical discipline.Minimum of 8 years of hands-on experience in hardware/software engineering within semiconductor industryDeep understanding of ISO 26262 or IEC 61508 frameworks; formal Safety Certification is highly desirable.Extensive experience managing functional safety through the entire product lifecycle, including development, rigorous testing, auditing, and QA for embedded systems.Experience in functional safety analysis of hardware including DFMEA, FMEA, FMEDA and DFAExperience in working with certification bodies to as part of product Functional Safety assessmentExperience with IP development Life Cycle e.g. HW IP design and verification processes, ASIC design methodologies, development tools and methods, program management practicesSkilled in utilizing industry-standard tools for requirements traceability, version control, and project management (e.g., Jama, Jira, GitHub).A proactive problem-solver with a meticulous eye for detail and the ability to translate complex technical data into clear, actionable documentation.Excellent verbal and written communications skills and the ability to communicate complex ideas succinctly and persuasively to peers, management.Able to work with a high level of independence and as part of a teamAdditional Skills/PreferencesKnowledge of ISO 9001 Quality Management standardKnowledge of automotive cybersecurity standard ISO/SAE 21434Additional Information:This position requires a successful background and reference checks and satisfactory proof of your right to work in:United KingdomAny offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.SummaryLocation: United Kingdom; Cambridge, United KingdomType: Full time Read Less
  • Senior RTL Design Engineer - CPU  

    - Cambridgeshire
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive... Read More
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. Are you ready?  To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.Job Description:The RoleAs a CPU Microarchitecture/RTL design engineer at SiFive, you will be part of a team of engineers who are passionate about designing industry-leading CPU cores, based on the revolutionary open-source RISC-V architecture. We are looking for people who are as excited as we are about working in a fast-paced dynamic environment to bring new hardware IP to market quickly, with high quality and exceptional performance.ResponsibilitiesArchitect, design and implement new features, performance improvements, and ISA extensions in RISC-V CPU core generators using Chisel.Integrate new design content into SiFive’s Chisel/FIRRTL framework and contribute to improvements to that framework to enable automatic configuration/generation of documentation, verification testbenches and tests, and packaged software.Perform initial sandbox verification, and work with the design verification team to create and execute thorough verification test plans.Work with the physical implementation team to implement and optimize physical design to meet frequency, area, and power goals.Collaborate with the performance modeling team for performance exploration and optimization to meet performance goals.Microarchitecture development and specification. Ensure that knowledge is shared via great documentation and participation in a culture of collaborative design.RequirementsBS/MS degree in computer science, computer engineering, electrical engineering or related field, or equivalent experience.3+ years of design experience.Academic or professional experience with CPU RTL design. Proficiency in hardware (RTL) design in Verilog, System Verilog, or VHDL.Strong software engineering skills/background, including:Object-oriented, aspect-oriented, and particularly functional programmingTemplated metaprogramming, in any languageCompiler infrastructures, particularly for domain-specific languagesData modeling, particularly intermediate representations for optimizing or transforming compiler passesTest-driven development, particularly ability to write adaptive unit testsAttention to detail and a focus on high-quality design.Ability to work well with others and share the belief that engineering is teamworkNice-to-havesExperience with Scala/Chisel, Bluespec, or some other language/DSL for expressing configurable hardware via software.Knowledge of RISC-V architecture.Expertise in CPU processor designs in one or more of the following areas is a plus: instruction fetch; instruction decode; register renaming and instruction scheduling; vector units; load-store unit.Knowledge of verification principles, testbenches, UVM, and coverage.Experience with Git/Github, Jira, Confluence.Additional Information:This position requires a successful background and reference checks and satisfactory proof of your right to work in:United KingdomAny offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.SummaryLocation: Cambridge, England, United KingdomType: Full time Read Less
  • Sr. Staff Functional Safety Engineer  

    - Cambridge
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive... Read More
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. Are you ready?  To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.Job Description:ResponsibilitiesThe Functional Safety Engineer will be responsible for driving functional safety activities throughout the entire product development lifecycle. Key responsibilities include:Functional Safety Management: Leading and coordinating all functional safety activities for assigned programs in accordance with ISO 26262 and our internal management system requirements.Competency & Compliance: Work with the Organizational FuSa Manager to ensure all relevant FuSa practices are planned and implemented and the required competencies are in place or covered by proper training.Safety planning and monitoring: Creating the safety plan, incorporating it into the overall program planning and monitoring the safety activities and tracking it to completionSafety Case Development: Creation and maintenance of the safety case, demonstrating achievement of functional safetyStakeholder Communication: Communicating safety status, risks and progress to senior management.Process Improvement: Contributing to the continuous improvement of our functional safety processes and methodologies.Development of Safety Package - Supporting the development of Safety Manual, Development Interface Agreement and Safety Analyses.Performing Safety Analysis: Supporting functional safety analysis of hardware including DFMEA, FMEA, FMEDA and DFAImpact Analysis: Conducting safety impact analyses for errata affecting the product (e.g., as part of the Bug Review Committee - BRC).Requirements Traceability: Supporting FuSa architects, product architects, designers, verification team regarding requirements traceability throughout the development process.Audits & Assessments: Supporting and participating in internal and external FuSa audits and assessments.Reviews & Approvals: Performing necessary reviews of functional safety workproductsCross-Functional Collaboration: Working closely with engineering teams (Program management, Architecture, Cybersecurity, Design, DV,  Software, System Test, Horizontals, Ptech) to ensure safety requirements are correctly captured, understood, implemented and verified.Job QualificationsBachelor’s degree in Electrical Engineering, Computer Science, Computer Engineering, or a related technical discipline.Minimum of 8 years of hands-on experience in hardware/software engineering within semiconductor industryDeep understanding of ISO 26262 or IEC 61508 frameworks; formal Safety Certification is highly desirable.Extensive experience managing functional safety through the entire product lifecycle, including development, rigorous testing, auditing, and QA for embedded systems.Experience in functional safety analysis of hardware including DFMEA, FMEA, FMEDA and DFAExperience in working with certification bodies to as part of product Functional Safety assessmentExperience with IP development Life Cycle e.g. HW IP design and verification processes, ASIC design methodologies, development tools and methods, program management practicesSkilled in utilizing industry-standard tools for requirements traceability, version control, and project management (e.g., Jama, Jira, GitHub).A proactive problem-solver with a meticulous eye for detail and the ability to translate complex technical data into clear, actionable documentation.Excellent verbal and written communications skills and the ability to communicate complex ideas succinctly and persuasively to peers, management.Able to work with a high level of independence and as part of a teamAdditional Skills/PreferencesKnowledge of ISO 9001 Quality Management standardKnowledge of automotive cybersecurity standard ISO/SAE 21434Additional Information:This position requires a successful background and reference checks and satisfactory proof of your right to work in:United KingdomAny offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.SummaryLocation: United Kingdom; Cambridge, United KingdomType: Full time Read Less
  • Senior ALU Design Engineer  

    - Cambridge
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive... Read More
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. Are you ready?  To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.Job Description:Responsibilities:Specify, design and implement new arithmetic operators for arithmetic RISC-V instructions, including floating-point, vector, crypto and integer operations.Optimize timing, area and power usage, or reduce latencies of existing operatorsUnit and formal testing for optimizations, writing new tests for new designs Work with the physical implementation team to optimize physical design to frequency, area, and power targets.Create documentation to a high standard and collaborate across teams and disciplines.RequirementsMasters or higher degree in electronic engineering or computer science with a strong mathematical background OR a degree in a related field with a strong background in code development2+ years of RTL design or related design experience.Academic or professional experience with arithmetic RTL design or CPU RTL design in Chisel, Verilog, System Verilog or VHDL.Knowledge of at least one object-oriented or functional programming language and willingness to adopt Chisel hardware generator designAttention to detail and a focus on high-quality code and documentation.Ability to work well with others and share the belief that engineering is teamwork.This is a hybrid working position with 1 office day per week expected; more office days are possible if the successful candidate so prefersAdditional Information:This position requires a successful background and reference checks and satisfactory proof of your right to work in:United KingdomAny offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.SummaryLocation: Cambridge, England, United KingdomType: Full time Read Less
  • Staff RTL Design Engineer - CPU Midcore  

    - Cambridge
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive... Read More
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. Are you ready?  To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.Job Description:The Role:As a CPU Microarchitecture/RTL design engineer at SiFive, you will be part of a team of engineers who are passionate about designing industry-leading CPU cores, based on the revolutionary open-source RISC-V architecture. We are looking for people who are as excited as we are about working in a fast-paced dynamic environment to bring new hardware IP to market quickly, with high quality and exceptional performance.ResponsibilitiesArchitect, design and implement new features, performance improvements, and ISA extensions in RISC-V CPU core generators using Chisel.Integrate new design content into SiFive’s Chisel/FIRRTL framework and contribute to improvements to that framework to enable automatic configuration/generation of documentation, verification testbenches and tests, and packaged software.Perform initial sandbox verification, and work with the design verification team to create and execute thorough verification test plans.Work with the physical implementation team to implement and optimize physical design to meet frequency, area, and power goals.Collaborate with the performance modeling team for performance exploration and optimization to meet performance goals.Microarchitecture development and specification. Ensure that knowledge is shared via great documentation and participation in a culture of collaborative design.RequirementsBS/MS degree in computer science, computer engineering, electrical engineering or related field, or equivalent experience.5+ years of design experience.Academic or professional experience with CPU RTL design. Proficiency in hardware (RTL) design in Verilog, System Verilog, or VHDL.Strong software engineering skills/background, including:Object-oriented, aspect-oriented, and particularly functional programmingTemplated metaprogramming, in any languageCompiler infrastructures, particularly for domain-specific languagesData modeling, particularly intermediate representations for optimizing or transforming compiler passesTest-driven development, particularly ability to write adaptive unit testsAttention to detail and a focus on high-quality design.Ability to work well with others and share the belief that engineering is teamwork.Nice-to-havesExperience with Scala/Chisel, Bluespec, or some other language/DSL for expressing configurable hardware via software.Knowledge of RISC-V architecture.Expertise in CPU processor designs in one or more of the following areas is a plus: instruction decode; register renaming, reorder buffer, and instruction scheduling; vector units; load-store unit.Knowledge of verification principles, testbenches, UVM, and coverage.Experience with Git/Github, Jira, Confluence.Additional Information:This position requires a successful background and reference checks and satisfactory proof of your right to work in:United KingdomAny offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.SummaryLocation: Cambridge, England, United KingdomType: Full time Read Less
  • Director of Licensing  

    - Cambridge
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive... Read More
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. Are you ready?  To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.Job Description:The Role:We are seeking a Director of IP Licensing to serve as a key architect of SiFive’s commercial growth. Reporting to the SVP of Product, you will sit at the intersection of Product, Sales, and Legal to drive high-value IP transactions and define the long-term economic strategy for our CPU portfolio. You won't just manage deals; you will own the business model that scales SiFive’s footprint globally.Key ResponsibilitiesCommercial Deal Architect: Lead the structuring of complex IP licensing deals. Partner with Sales, Product Management and Legal to develop bespoke commercial terms, incentive structures, and quotations that secure design wins while protecting SiFive’s long-term interests.Strategic Business Planning: Own and evolve the multi-year business plan for the IP business. Incorporate market shifts (e.g., the rise of custom compute) and customer feedback to forecast revenue and identify new growth vectors.Business Model Innovation: Innovate on pricing models to move beyond"standard" licensing to enable SiFive to address a wide range of customers in the most appropriate way.Royalty Strategy & Optimization: Analyze existing royalty streams and historical data to ensure future agreements are optimized to maximise long term revenue.Pricing Governance: Own the global "Price Book." Ensure pricing is consistent, competitive, and clearly communicated to field teams to enable rapid, autonomous execution in the region.Process Leadership: Streamline the "Lead-to-Fulfillment" workflow. Ensure that commercial approvals, contractual compliance, and order fulfillment processes are frictionless across global teams.RequirementsExperience: 10+ years of experience in commercial roles (eg IP licensing, Business Development or Strategic Marketing) in the semiconductor industry.Commercial Expertise: Deep understanding of semiconductor IP licensing commercial models and terms, with previous experience of drafting commercial agreementsTechnical Foundation:  Ability to understand and discuss CPU IP and SoC level requirements fluently with sales, customers and other stakeholdersStrong Financial Acumen:  Experience building complex revenue forecast modelsStrategic Mindset:  Proven ability to see the bigger picture and drive change that impacts the overall success of the businessInfluence & Collaboration: Proven track record of working across many teams on a global scale to get things done. Education: Bachelor’s degree in a technical field (Electrical Engineering, Computer Science), Marketing, or Business.Nice to HavesDirect experience with RISC-V or ARM architectures / CPU licensing specifically.Additional Information:This position requires a successful background and reference checks and satisfactory proof of your right to work in:United KingdomAny offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.SummaryLocation: Cambridge, England, United Kingdom; Santa Clara, California, United StatesType: Full time Read Less
  • Senior RTL Design Engineer - CPU  

    - Cambridge
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive... Read More
    About SiFiveAs the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. Are you ready?  To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.Job Description:The RoleAs a CPU Microarchitecture/RTL design engineer at SiFive, you will be part of a team of engineers who are passionate about designing industry-leading CPU cores, based on the revolutionary open-source RISC-V architecture. We are looking for people who are as excited as we are about working in a fast-paced dynamic environment to bring new hardware IP to market quickly, with high quality and exceptional performance.ResponsibilitiesArchitect, design and implement new features, performance improvements, and ISA extensions in RISC-V CPU core generators using Chisel.Integrate new design content into SiFive’s Chisel/FIRRTL framework and contribute to improvements to that framework to enable automatic configuration/generation of documentation, verification testbenches and tests, and packaged software.Perform initial sandbox verification, and work with the design verification team to create and execute thorough verification test plans.Work with the physical implementation team to implement and optimize physical design to meet frequency, area, and power goals.Collaborate with the performance modeling team for performance exploration and optimization to meet performance goals.Microarchitecture development and specification. Ensure that knowledge is shared via great documentation and participation in a culture of collaborative design.RequirementsBS/MS degree in computer science, computer engineering, electrical engineering or related field, or equivalent experience.3+ years of design experience.Academic or professional experience with CPU RTL design. Proficiency in hardware (RTL) design in Verilog, System Verilog, or VHDL.Strong software engineering skills/background, including:Object-oriented, aspect-oriented, and particularly functional programmingTemplated metaprogramming, in any languageCompiler infrastructures, particularly for domain-specific languagesData modeling, particularly intermediate representations for optimizing or transforming compiler passesTest-driven development, particularly ability to write adaptive unit testsAttention to detail and a focus on high-quality design.Ability to work well with others and share the belief that engineering is teamworkNice-to-havesExperience with Scala/Chisel, Bluespec, or some other language/DSL for expressing configurable hardware via software.Knowledge of RISC-V architecture.Expertise in CPU processor designs in one or more of the following areas is a plus: instruction fetch; instruction decode; register renaming and instruction scheduling; vector units; load-store unit.Knowledge of verification principles, testbenches, UVM, and coverage.Experience with Git/Github, Jira, Confluence.Additional Information:This position requires a successful background and reference checks and satisfactory proof of your right to work in:United KingdomAny offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.SummaryLocation: Cambridge, England, United KingdomType: Full time Read Less

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