Senior Runtime Engineer jobs in Sunnyvale – Browse 631 openings on RoboApply Jobs

Senior Runtime Engineer jobs in Sunnyvale

Open roles matching “Senior Runtime Engineer” with location signals for Sunnyvale. 631 active listings on RoboApply Jobs.

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companyCerebras Systems logo
Senior Runtime Engineer

Cerebras Systems

Full-time|On-site|Sunnyvale CA or Toronto Canada

Cerebras Systems is at the forefront of AI technology, developing the largest AI chip in the world, which is 56 times larger than traditional GPUs. Our innovative wafer-scale architecture delivers the computational power of dozens of GPUs on a single chip, while ensuring programming is as simple as working with a single device. This revolutionary approach enables Cerebras to provide unmatched training and inference speeds, facilitating seamless execution of large-scale machine learning applications without the complexities of managing multiple GPUs or TPUs.Cerebras proudly serves a diverse clientele, including leading model labs, global corporations, and pioneering AI startups. Recently, OpenAI announced a multi-year collaboration with Cerebras, aiming to harness 750 megawatts of power for transformative workloads through ultra high-speed inference.Our groundbreaking wafer-scale architecture allows Cerebras Inference to offer the most rapid Generative AI inference solution globally, surpassing GPU-based hyperscale cloud services by over ten times. This significant enhancement in speed is reshaping the user experience for AI applications, enabling real-time iteration and amplifying intelligence through advanced agentic computation.About The RoleJoin us in constructing the next generation of large-scale AI systems designed to handle training and inference workloads with unparalleled efficiency and scale. As a Senior Runtime Engineer, you will be responsible for architecting and developing high-performance distributed software that orchestrates extensive compute and data pipelines across diverse clusters. Your contributions will push the boundaries of concurrency, throughput, and scalability, facilitating the effective execution of models on a massive scale. This position sits at the confluence of systems engineering and machine learning performance, requiring both deep architectural insight and practical low-level implementation capabilities. You will play a crucial role in optimizing how models are executed and fine-tuned from data ingestion through to distributed execution across cutting-edge hardware platforms. We are actively recruiting for runtime roles in both Training and Inference.

Feb 17, 2026
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companyCerebras Systems logo
Full-time|On-site|Sunnyvale CA or Toronto Canada

Join Cerebras Systems as an Engineering Manager specializing in Inference ML Runtime, where you will lead a dedicated team in developing groundbreaking machine learning solutions. Your expertise will guide the design and implementation of our inference runtime, ensuring efficiency and performance at scale.As a pivotal leader in our innovative environment, you will collaborate with cross-functional teams, driving the development of state-of-the-art algorithms and systems that push the boundaries of artificial intelligence.

Mar 24, 2026
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companyCerebras Systems logo
Full-time|On-site|Sunnyvale CA or Toronto Canada

Cerebras Systems is at the forefront of AI innovation, creating the world’s largest AI chip, which is 56 times larger than traditional GPUs. Our groundbreaking wafer-scale architecture delivers the computational power equivalent to dozens of GPUs on a single chip, combined with the programming simplicity of a unified device. This innovative approach allows us to offer unparalleled training and inference speeds, enabling machine learning practitioners to execute extensive ML applications seamlessly, without the complexities of managing multiple GPUs or TPUs.Cerebras boasts an impressive clientele, including premier model labs, global corporations, and pioneering AI startups. Recently, OpenAI announced a multi-year partnership with Cerebras, aimed at deploying 750 megawatts of scale, revolutionizing critical workloads with ultra-fast inference capabilities.Our unique wafer-scale architecture enables Cerebras Inference to provide the fastest Generative AI inference solution globally, surpassing GPU-based hyperscale cloud inference services by more than tenfold. This remarkable enhancement in speed is reshaping the AI application user experience, facilitating real-time iteration and boosting intelligence through enhanced computational capabilities.About The RoleThe Inference ML Engineering team at Cerebras Systems is committed to empowering our rapid generative inference solution through intuitive APIs, supported by a distributed runtime that operates on extensive clusters of our proprietary hardware. Our goal is to enable enterprises, developers, and researchers to fully harness the capabilities of our platform, leveraging its exceptional performance, scalability, and flexibility. The team collaborates closely with cross-functional groups, including compiler developers, cluster orchestrators, ML scientists, cloud architects, and product teams, to deliver impactful solutions that redefine the limits of ML performance and usability.As a Senior Software Engineer on the Inference ML Engineering team, you will be instrumental in designing and implementing APIs, ML features, and tools that facilitate the execution of state-of-the-art generative AI models on our custom hardware. Your role will involve architecting solutions that allow for seamless model translation and execution, ensuring high throughput and minimal latency while maintaining user-friendliness. You will lead technical initiatives and collaborate with other engineering teams to enhance our solutions.

Feb 17, 2026
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companyApplied Intuition, Inc. logo
Full-time|$159.1K/yr - $199.3K/yr|On-site|Sunnyvale, California, United States

About Applied IntuitionApplied Intuition, Inc. is at the forefront of advancing physical AI technology. Established in 2017 and currently valued at $15 billion, this Silicon Valley-based company is building the essential digital infrastructure to infuse intelligence into every moving machine worldwide. We cater to industries such as automotive, defense, trucking, construction, mining, and agriculture through three primary sectors: tools and infrastructure, operating systems, and autonomy. Our solutions are trusted by 18 of the top 20 global automakers, along with the United States military and its allies, to deliver exceptional physical intelligence. Our headquarters is located in Sunnyvale, California, with additional offices across Washington, D.C.; San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo. Discover more at applied.co.We are an in-office company, expecting our employees to primarily work from their Applied Intuition office five days a week. We understand the importance of flexibility and trust our employees to manage their schedules responsibly. This may include occasional remote work, starting the day with morning meetings from home before heading to the office, or leaving earlier when needed to accommodate family commitments.About the RoleWe are in search of a skilled software engineer with extensive experience in optimizing machine learning models and deploying them in production-grade embedded runtime environments. Your expertise will span the entire ML framework stack, including PyTorch, JAX, ONNX, TensorRT, CUDA, XLA, and Triton.At Applied Intuition, You Will:Lead ML performance optimization across various technologies for both on-road and off-road ADAS/AD stacks aimed at deployment on a range of embedded computing platforms.Devise compute usage strategies to enhance efficiency and minimize latency of model inference for compute boards chosen by our customers.Engage in model pruning and quantization, ensuring successful deployment on memory-constrained platforms.Collaborate closely with ML engineers and software developers to identify and optimize efficient model architecture solutions.Establish methodologies to...

Feb 2, 2026
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companyIntuitive Surgical, Inc. logo
Senior Mechanical Engineer

Intuitive Surgical, Inc.

Full-time|On-site|Sunnyvale

Join our innovative team at Intuitive Surgical, Inc. as a Senior Mechanical Engineer, where your expertise will drive the development of cutting-edge robotic surgical systems. You will be instrumental in designing, analyzing, and testing mechanical components that enhance patient outcomes and surgical precision.

Mar 24, 2026
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companySpaceX logo
Full-time|On-site|Sunnyvale, CA

Join SpaceX as a Senior RFIC Design Engineer in our Silicon Engineering team. In this pivotal role, you will be responsible for designing innovative RF integrated circuits that drive our next-generation space technologies. Collaborate with a team of experts to push the boundaries of technology while ensuring the highest standards of quality and performance.

Apr 1, 2026
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companyIllumio logo
Full-time|On-site|Sunnyvale, California - HQ

Join Us in Shaping the Future!At Illumio, we are pioneers in ransomware and breach containment, transforming how organizations manage cyber threats and ensure operational resilience. Our advanced Illumio AI Security Graph empowers our breach containment platform to identify and contain threats across hybrid multi-cloud environments, effectively halting the spread of attacks before they escalate into crises.As acknowledged leaders in the Forrester Wave™ for Microsegmentation, we facilitate Zero Trust frameworks that enhance cyber resilience for critical infrastructures and organizations worldwide.Location: 5 days a week on-site at our Sunnyvale, CA Headquarters.Our Team's Vision:Our Engineering team thrives on a culture fueled by visionary leadership, autonomy, and a strong sense of ownership. This dynamic synergy propels us forward in the rapidly evolving realm of cybersecurity.When you join us, you become part of a leading force in Zero Trust Segmentation, engaging with a cutting-edge technology stack that spans operating systems, distributed applications, and immersive UI/visualization tools.We are committed to shaping the future of cybersecurity and building world-class products driven by diverse perspectives and a dedication to innovation in these unprecedented times of cyber threats.Your Impact:As the Senior Manager of Cloud Engineering, you will lead a talented team focused on developing scalable, distributed cloud services through containerized microservices within a multi-cloud environment. You will steer the design, development, and delivery of cloud solutions, ensuring high standards for automation, observability, and operational excellence.Lead and manage a cloud engineering team dedicated to developing distributed microservices for a multi-tenant, scalable platform.Supervise cloud service development, prioritizing performance, security, and reliability.Establish coding standards, engage in code and design reviews, and ensure high-quality automation and testing.Collaborate with Product Management to align development efforts with business objectives.Oversee the entire software development lifecycle, from requirements gathering to deployment and operations.Cultivate a culture of continuous learning and innovation, embracing best practices in cloud engineering.

Mar 3, 2026
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companyIntuitive Surgical, Inc. logo
Senior Mechanical Engineer

Intuitive Surgical, Inc.

Full-time|On-site|Sunnyvale

Join our innovative team at Intuitive Surgical, where we are redefining the landscape of surgical robotics. As a Senior Mechanical Engineer, you will play a pivotal role in the design, development, and enhancement of cutting-edge robotic systems that are transforming patient care. Your expertise will contribute to creating solutions that improve surgical precision and outcomes.

Apr 2, 2026
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companyIntuitive Surgical, Inc. logo
Senior Electrical Engineer

Intuitive Surgical, Inc.

Full-time|On-site|Sunnyvale

About the Role Intuitive Surgical, Inc. is hiring a Senior Electrical Engineer in Sunnyvale. This role focuses on designing and developing electrical systems for advanced surgical technologies. The work supports the full product development cycle, from initial concept through to production release. What You Will Do Design and develop electrical systems for surgical products Work closely with teams across disciplines to move products from idea to manufacturing Support quality and performance standards throughout development

Apr 17, 2026
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companyCeribell logo
Full-time|$141K/yr - $190K/yr|On-site|Sunnyvale, CA

About CeribellCeribell is at the forefront of medical technology, dedicated to revolutionizing the diagnosis and management of patients with serious neurological conditions. Our innovative Ceribell System is a cutting-edge, point-of-care electroencephalography (EEG) platform that meets the critical needs of patients in acute care settings. Already in use at hundreds of community hospitals, large academic institutions, and major integrated delivery networks across the nation, our team shares a collective mission to enhance critical care with our rapid seizure detection technology. Join us in making a difference!Position Overview:We are seeking a talented Senior Software Engineer with a strong backend focus to join our dynamic team in developing the next generation of EEG web applications that cater to vital medical use cases. In this role, you will be instrumental in designing, maintaining, and enhancing the backend systems for our EEG Portal web application, which is essential for healthcare providers, researchers, and clinical teams to access, monitor, and analyze EEG data. You will collaborate closely with fellow engineers, product managers, and stakeholders to ensure that our backend systems are robust, secure, and scalable within a medical environment.Key Responsibilities:Backend Development & Maintenance:Design, develop, and maintain backend systems to support the EEG Portal application, ensuring dependable performance and adherence to healthcare standards.Implement new features and enhancements to meet clinical and research demands, prioritizing efficiency and scalability.Troubleshoot, debug, and optimize backend systems to guarantee maximum uptime and reliability for users.Database Management:Write optimized database queries and execute data migration strategies.Monitor and fine-tune database performance, including indexing, replication, and backup processes.API Development & Integration:Develop and maintain RESTful APIs that interact with the frontend and other systems.Ensure APIs are secure, well-documented, and capable of handling large volumes of sensitive medical data.Integrate third-party services and platforms as needed to enhance functionality.Ensure backend services comply with regulatory standards, including data encryption, authentication, and auditing.

Mar 2, 2026
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companyintuitive logo
Full-time|On-site|Sunnyvale

Join intuitive as a Senior Mechanical Design Engineer and leverage your expertise in mechanical engineering to drive innovative design solutions. You will be at the forefront of developing cutting-edge mechanical systems, working collaboratively with cross-functional teams to ensure product excellence. Your role will encompass the entire design process, from concept to prototype, ensuring designs meet performance, manufacturability, and cost objectives.

Apr 10, 2026
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companyIntuitive Surgical, Inc. logo
Senior Software Engineer in Test

Intuitive Surgical, Inc.

Full-time|On-site|Sunnyvale

Join our dynamic team at Intuitive Surgical, a leader in minimally invasive robotic surgery. We are seeking a talented and detail-oriented Senior Software Engineer in Test to enhance our quality assurance processes and ensure the reliability of our cutting-edge surgical systems. In this role, you will develop and execute automated tests, contribute to the design of testing frameworks, and collaborate closely with software engineers to drive quality improvements across our products.

Apr 4, 2026
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companyIntuitive Surgical, Inc. logo
Full-time|On-site|Sunnyvale

Role overview Intuitive Surgical, Inc. is hiring a Senior Manufacturing Electrical Engineer based in Sunnyvale. This role focuses on supporting the design, development, and improvement of electrical systems that power advanced robotic surgical platforms. The position involves close collaboration with cross-functional teams to enhance products and maintain high standards in the field. What you will do Design and develop electrical systems for robotic surgical products Optimize manufacturing processes involving electrical components Work with engineering, quality, and manufacturing teams to improve product performance Ensure compliance of electrical systems with industry standards and regulations Location This position is based in Sunnyvale, CA.

Apr 27, 2026
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companyIntuitive Surgical, Inc. logo
Senior Supplier Engineer

Intuitive Surgical, Inc.

Full-time|On-site|Sunnyvale

Join Intuitive Surgical, a pioneering company in the field of robotic-assisted surgical systems, as a Senior Supplier Engineer. In this role, you will leverage your expertise to drive supplier performance and ensure the highest quality standards for our innovative medical devices. You will collaborate with cross-functional teams to establish effective strategies and processes that optimize supplier relationships and enhance product quality.

Mar 11, 2026
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companyIntuitive Surgical, Inc. logo
Senior Supplier Engineer

Intuitive Surgical, Inc.

Full-time|On-site|Sunnyvale

Join our dynamic team at Intuitive Surgical as a Senior Supplier Engineer, where you will play a pivotal role in enhancing our supply chain and ensuring the highest quality standards for our surgical products. You will collaborate with cross-functional teams to optimize supplier performance and drive continuous improvement initiatives.

Feb 4, 2026
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companyIntuitive Surgical, Inc. logo
Full-time|On-site|Sunnyvale

Intuitive Surgical, Inc. seeks a Senior Software Engineer to join the Platform Engineering team in Sunnyvale. This role centers on developing and maintaining the foundational software that powers advanced surgical technologies. Key responsibilities Design and build core platform software for surgical systems Collaborate with other engineering teams to create reliable and scalable solutions Drive ongoing enhancements that support improvements in surgical procedures and patient care Role focus This position emphasizes both architecture and hands-on development for the software platform. Work will directly impact the reliability and capabilities of surgical technologies used in healthcare settings.

Apr 24, 2026
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company
Senior Distributed Systems Engineer

Institute of Foundation Models

Full-time|On-site|Sunnyvale, CA

About the Institute of Foundation ModelsThe Institute of Foundation Models (IFM) specializes in designing and operating large-scale GPU supercomputing systems aimed at training cutting-edge foundation models. Our philosophy places emphasis on the interdependence of performance, fault tolerance, and scalability across various components, including model architecture, communication systems, runtime, and hardware topology.This position is pivotal to our mission — enhancing communication performance, distributed reliability, and cross-layer optimization for extensive training workloads.The MissionWe seek a highly skilled engineer to collaboratively design and optimize the communication stack for large-scale distributed training, with a focus on hybrid parallelism and Mixture-of-Experts (MoE) workloads. This is a systems-level engineering role centered on performance enhancement, distributed debugging, and communication-runtime co-design.· Design and optimize expert-parallel and hybrid-parallel communication patterns· Drive high-performance hierarchical collectives for MoE workloads· Co-design runtime orchestration with communication topology awareness· Mitigate tail latency and enhance determinism across thousands of GPUs· Architect fault-tolerant distributed execution that withstands real-world cluster failuresCore Technical Scope· Communication-compute overlap and topology-aware collective optimization· In-depth debugging of NCCL, RDMA, and custom communication layers· Implementing hybrid expert parallel strategies in modern large-scale MoE systems· Developing elastic and resilient distributed job orchestration concepts· Conducting congestion analysis and routing optimization across InfiniBand/RoCE fabrics· Executing microbenchmarking and performance modeling for communication-intensive workloadsExpected Technical Depth· Expertise in hybrid expert parallel communication strategies

Mar 3, 2026
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companyGFiber logo
Full-time|$136K/yr - $169K/yr|On-site|Austin, Texas; Durham, North Carolina; Kansas City, Missouri; Lakewood, Colorado, United States; Salt Lake City, Utah; Sunnyvale, California, United States

At GFiber, we are passionate about the transformative power of high-quality internet. We believe that it drives innovation, strengthens communities, and enables extraordinary achievements. As we continue our mission to provide better internet, we are expanding our team to include dedicated individuals who aspire to make a difference in the world.GFiber, a proud member of the Alphabet family, delivers cutting-edge internet services through Google Fiber and Google Fiber Webpass to homes and businesses across the U.S. With our ongoing expansion, we are connecting more cities and individuals to exceptional internet experiences.The application window will be open until at least April 17, 2026. This opportunity will remain available based on business needs, which may be before or after the specified date.This role is not eligible for immigration sponsorship. Our Information Systems and Technology team is vital in enhancing productivity and efficiency across all departments at GFiber. We are committed to delivering outstanding support, fostering strong partnerships, and ensuring seamless project execution. Together, we innovate to empower our colleagues and advance our organization.Role OverviewAs a Senior IT Systems Engineer, you will design and maintain the digital workspace that our employees depend on daily. This role encompasses the complete lifecycle of corporate applications—from end-to-end deployment and configuration to automated patching and long-term administration. You will oversee our Google Workspace environment and support essential office technologies, including multi-vendor networking, conferencing, and advanced printing solutions. With your profound expertise in software application engineering, you will also maintain strong full device management practices to ensure secure and efficient delivery across macOS, Windows, and ChromeOS platforms.Your Responsibilities:Manage the enrollment, security, and compliance of macOS, Windows, and ChromeOS devices utilizing Microsoft Intune, Google Workspace, and Kandji/Iru to ensure a stable platform for application delivery.Architect comprehensive deployment, configuration, and proactive patching strategies for the corporate productivity suite, leading the rollout of new enterprise solutions from initial setup to ongoing maintenance and optimization.Deploy and provide advanced support for office technologies and equipment.

Apr 13, 2026
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companyCrusoe Energy logo
Full-time|On-site|Sunnyvale, CA - US

Join Crusoe Energy as a Senior Backend Tooling Software Engineer and play a pivotal role in enhancing our backend systems that support our innovative energy solutions. You will be responsible for designing, implementing, and maintaining scalable backend tooling solutions that cater to our growing infrastructure needs.Your expertise will help us streamline our operations, optimize workflows, and improve performance across our engineering teams. If you are passionate about backend engineering and enjoy tackling complex challenges, we invite you to apply and contribute to our mission of transforming energy use.

Apr 1, 2026
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companyIllumio logo
Full-time|On-site|HQ - Sunnyvale (Office)

Illumio develops technology to contain ransomware and breaches, helping organizations guard against cyberattacks and maintain business continuity. The company’s breach containment platform uses the Illumio AI Security Graph to detect and isolate threats across hybrid and multi-cloud environments. Illumio is recognized for its leadership in microsegmentation and its commitment to the Zero Trust model, serving critical infrastructure and organizations worldwide. This Senior Staff Engineer - Cybersecurity position is based onsite in Sunnyvale, California, with work expected in the office five days a week. Role overview The engineering team at Illumio values leadership, autonomy, and ownership. Members work with a modern technology stack that spans operating systems, distributed applications, and advanced UI and visualization tools. The team is focused on building products that address today’s cybersecurity challenges, drawing on diverse perspectives and a shared drive for innovation. What you will do Develop containerized microservices for a distributed, multi-tenant system that processes data, real-time events, and network telemetry from multiple public clouds. These services provide customers with real-time insights, visibility, and security recommendations to reduce cloud risks. Design and architect platform components and subsystems, working through technical details, presenting and defending designs to peers, and ensuring thorough implementation. Mentor junior engineers, recent graduates, and interns to support their professional development and integration into the team. Write code primarily in Go and manage data pipelines using SQL or similar technologies. Familiarity with Kubernetes for service infrastructure is considered a plus. The team welcomes candidates with varied programming backgrounds who are eager to learn. Take ownership of critical features and subsystems, overseeing the software development lifecycle from requirements to deployment and customer adoption. Contribute to operational excellence and help drive engineering efforts toward greater innovation and efficiency.

Apr 29, 2026

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