Senior High-Speed Photonics Engineer

At PsiQuantum, our mission is to revolutionize computing by creating the first practical quantum computers—machines that promise to achieve breakthroughs previously thought impossible. Since our inception in 2016, we have been dedicated to developing million-qubit, fault-tolerant quantum systems.Quantum computers leverage the principles of quantum mechanics …

Join Array Labs, a pioneering company dedicated to building cutting-edge radar systems that empower humanity to comprehend and react to the transformations in our physical environment.We are embarking on an ambitious project to deploy a coordinated fleet of radar satellites, designed to generate a detailed and dynamic 3D representation of the Earth. This real-time mapping capability will facilitate agile and informed decision-making for both governmental and commercial entities engaged in disaster response, infrastructure resilience, and critical geopolitical intelligence.Our end-to-end design and manufacturing of the world's most advanced Earth observation satellites will deliver unmatched accuracy, extensive coverage, and rapid responsiveness, ensuring vital insights are provided exactly when and where they are needed.About the RoleAs a Senior High-Speed PCB Layout Engineer, you will take charge of the physical realization of high-speed digital and mixed-signal electronics for Array's projects using Altium. You will be responsible for transforming schematics and performance specifications into intricate layouts and functional designs. Your role will encompass component placement, constraint-driven routing, stack-up definition, return path and reference plane strategies, as well as partitioning between sensitive mixed-signal areas and high-speed digital connections.Collaboration is key; you will work closely with electrical design, firmware, mechanical, and test engineers to establish layout constraints, conduct reviews, and manage manufacturing releases. The boards you produce will play a crucial role in determining signal integrity, power integrity, noise performance, and overall system reliability, both in laboratory settings and in-orbit operations.

About ALSO: We are a forward-thinking electric mobility company born from Rivian, driven by a collective passion for innovation. Our dedicated team of builders and visionaries is committed to crafting entirely new, vertically integrated, small electric vehicles (EVs) that address the mobility challenges of both today and the future. Our mission is to encourage the world to embrace ALSO, transforming local transport by replacing traditional vehicles with more affordable, enjoyable, and significantly efficient options.We are in search of a Senior Staff Electrical Engineer, High Speed Design to spearhead the development of cutting-edge electronic systems for diverse micro-mobility platforms.Key Responsibilities:Act as the technical lead and hardware architect for a multidisciplinary engineering team focused on developing the next generation of light electric vehicle products.Design and architect complex custom embedded systems, overseeing component selection (high-performance MCUs, ICs, power converter controllers), schematic capture, and intricate HDI PCB layouts.Conduct simulations, analyses, and validations for high-speed signal integrity and power integrity, designing optimal PCB stack-ups and power delivery networks to support high-performance computing.Lead strategies for EMI/EMC mitigation at the system level, ensuring hardware meets regulatory standards on the first attempt and managing complex debugging efforts for any emissions issues.Oversee the entire module development lifecycle, establishing best practices for design and validation phases within the V-model development process.Collaborate with Systems, Firmware, Mechanical, Thermal, and Test engineers to ensure high reliability, seamless system integration, robust physical packaging of high-density boards, optimal thermal management, and thorough testability for mass production.Lead root cause analysis, complex debugging, and failure analysis of critical electrical systems and high-speed subsystems in vehicles.Cultivate technical relationships with PCB fabricators, silicon vendors, and contract manufacturers to evaluate cutting-edge components, ensure HDI DFM/DFA, and qualify advanced manufacturing processes.Act as a force multiplier for the hardware team by mentoring junior and mid-level engineers, leading technical design reviews, and enhancing engineering efficiency across the organization.

Join Array Labs, a pioneering company dedicated to building state-of-the-art radar systems that empower humanity to monitor and react to the changes in our physical environment.As we embark on an exciting journey to launch a synchronized fleet of radar satellites, we aim to create a high-resolution 3D map of Earth, continuously updated in real-time. This innovative approach will facilitate rapid and intelligent decision-making for government and commercial entities engaged in disaster management, infrastructure stability, and crucial geopolitical insights.Our team is responsible for the complete lifecycle of satellite design and construction, resulting in the world’s most sophisticated Earth observation satellites. Our fleet promises unparalleled accuracy, extensive coverage, and immediate responsiveness, crucial for delivering vital insights exactly where they are needed.About the RoleAs the Lead High-Speed PCB Layout Engineer, you will take charge of the physical implementation of our high-speed digital and mixed-signal electronics using Altium. Your responsibilities will include translating schematics and performance requirements into practical designs, focusing on component placement, constraint-driven routing, stack-up definition, return path strategies, and managing the partitioning between sensitive mixed-signal areas and high-speed digital interfaces.In this collaborative role, you will work closely with electrical design, firmware, mechanical, and testing engineers to establish layout constraints, conduct reviews, and oversee manufacturing releases. The quality of the boards you produce will have a direct impact on signal integrity, power integrity, noise performance, and the overall reliability of our systems both in the lab and in orbit.

Join xAI, a pioneering company dedicated to building AI systems that enhance humanity's understanding of the universe. We are seeking a talented ML Infrastructure Network Development Engineer with a specialization in high-speed interconnect technologies. In this pivotal role, you will design, construct, and optimize the network architecture that underpins large-scale AI training and inference clusters. Your expertise will drive innovations in high-bandwidth, low-latency, and energy-efficient interconnects essential for our cutting-edge AI/ML infrastructures. You will engage with various interconnect modalities, ensuring seamless connectivity between GPUs and switches in data centers, and contribute to the overall success of our AI initiatives.

At PsiQuantum, our mission is to revolutionize computing by creating the first practical quantum computers. With our foundation laid in 2016, we are dedicated to developing and deploying million-qubit, fault-tolerant quantum systems that promise to transform our understanding of computation. Quantum computers leverage the principles of quantum mechanics to tackle problems that are beyond the capability of even the most powerful supercomputers or AI systems. The applications of this technology are vast, impacting industries such as energy, pharmaceuticals, finance, agriculture, transportation, and materials science. Our innovative architecture is grounded in silicon photonics, utilizing advanced semiconductor manufacturing processes in collaboration with partners like GlobalFoundries. This approach allows us to produce high-volume, efficient systems that harness the unique properties of photons, which are not affected by heat and are immune to electromagnetic interference. In 2024, PsiQuantum announced government-supported initiatives to establish our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These projects signify a pivotal moment in recognizing the strategic and economic importance of quantum computing and our commitment to scaling our efforts. Beyond hardware, we also develop the essential algorithms and software that will bring our systems to market. Collaborating with industry leaders like Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical, we are translating quantum solutions into tangible benefits for the real world. Quantum computing is not merely an enhancement of classical computing; it represents a paradigm shift that enables us to tackle challenges previously deemed unsolvable. The potential is immense, and we have a clear strategy to manifest this vision. Join us on this groundbreaking journey.

Role Overview PsiQuantum is seeking a Senior Product Engineer focused on Photonic Integrated Circuits (PIC) in Palo Alto, California. This position plays a key part in advancing product development for quantum computing hardware. The engineer will apply deep technical knowledge to guide innovation and ensure products align with client requirements and industry progress.

At PsiQuantum, our mission is to revolutionize computing by developing the first practical quantum computers capable of achieving groundbreaking advancements in various sectors. Founded in 2016, our dedicated focus is on creating and implementing million-qubit, fault-tolerant quantum systems.Quantum computing leverages quantum mechanics to tackle problems beyond the reach of even the most powerful supercomputers or AI technologies. Its transformative potential spans multiple industries, including energy, pharmaceuticals, finance, agriculture, transportation, and materials science.Our innovative architecture is rooted in silicon photonics, utilizing advanced semiconductor manufacturing techniques in collaboration with partners like GlobalFoundries. This allows us to harness high-volume production processes that have already yielded billions of chips for telecommunications and consumer electronics. Photonics offers intrinsic scalability advantages: photons are unaffected by heat, immune to electromagnetic interference, and seamlessly integrate with existing cryogenic cooling and standard fiber-optic systems.In 2024, PsiQuantum launched government-supported projects aimed at developing our inaugural utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives underscore the urgent recognition that quantum computing will be both strategically and economically pivotal, making it essential for rapid scaling.Additionally, we are committed to developing the algorithms and software necessary to ensure these systems deliver commercial value. Our application and software teams collaborate closely with leading Fortune 500 companies such as Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical, preparing quantum solutions for real-world applications.Quantum computing signifies a fundamental shift from classical computing, paving the way to solve challenges that cannot be addressed through any other means. The possibilities are vast, and we are poised to make this potential a reality. Join us in this exciting journey!

Join PsiQuantum, where our mission is to create the first practical quantum computers—transformative machines that will unlock unprecedented breakthroughs in technology. Established in 2016, we are dedicated to developing million-qubit, fault-tolerant quantum systems.Our quantum computers leverage the fundamental principles of quantum mechanics, enabling them to tackle problems that traditional supercomputers and AI cannot solve. The potential impact of quantum computing is vast, influencing sectors such as energy, pharmaceuticals, finance, agriculture, transportation, and materials.Our innovative architecture is grounded in silicon photonics, capitalizing on advanced semiconductor manufacturing techniques used by partners like GlobalFoundries. This allows us to employ high-volume production processes, similar to those used for billions of chips in telecommunications and consumer electronics. Photonics provides distinct advantages: photons are not affected by heat, are resistant to electromagnetic interference, and integrate seamlessly with existing cryogenic cooling and fiber-optic infrastructure.In 2024, PsiQuantum initiated government-funded projects aimed at establishing our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These projects underscore the emerging recognition of quantum computing's strategic and economic significance, emphasizing the urgency to scale.We also focus on developing the necessary algorithms and software to ensure that these systems deliver commercial value. Our application, software, and industry teams collaborate closely with leading Fortune 500 companies—including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical—to prepare quantum solutions for tangible real-world applications.Quantum computing signifies more than just an advancement of classical computing; it represents a revolutionary shift, paving the way for solutions to challenges previously deemed insurmountable. The potential here is immense, and we have a clear path to realizing it.We invite you to be part of our journey.

PsiQuantum is developing quantum computers designed to tackle problems that exceed the capabilities of current supercomputers and AI. Founded in 2016, the company aims for million-qubit, fault-tolerant systems, with applications across energy, pharmaceuticals, finance, agriculture, transportation, and materials science. The company’s approach centers on silicon photonics and advanced semiconductor manufacturing, partnering with organizations such as GlobalFoundries to use large-scale chip production techniques. Photonics technology brings advantages for scaling, including resistance to heat and electromagnetic interference, as well as compatibility with cryogenic cooling and standard fiber-optic infrastructure. In 2024, PsiQuantum began government-supported projects to build utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. The company also collaborates with Fortune 500 firms to develop algorithms and software for commercial quantum systems. Role overview The Photonics Intern will work onsite in Palo Alto, California, supporting the development of scalable quantum computing hardware and software. This position offers the chance to contribute directly to PsiQuantum’s technical progress, working with teams specializing in silicon photonics and quantum systems. What you will do Participate in projects focused on building quantum computing hardware and software. Collaborate with experts in silicon photonics and quantum systems. Support ongoing research and development efforts aimed at scaling quantum technology. Location This internship is based in Palo Alto, California, United States.

At PsiQuantum, we are on a mission to revolutionize computing by creating the world's first practical quantum computers. Founded in 2016, our primary objective is to build and implement million-qubit, fault-tolerant quantum systems that will transform industries.Quantum computers leverage the principles of quantum mechanics to tackle challenges beyond the capabilities of today's most advanced supercomputers and AI systems. The implications of this technology will extend across various sectors, including energy, pharmaceuticals, finance, agriculture, transportation, and materials.Our innovative architecture is rooted in silicon photonics. By capitalizing on the advanced semiconductor manufacturing landscape, including strategic partnerships with industry leaders like GlobalFoundries, we employ high-volume processes that are already producing billions of chips for telecommunications and consumer electronics. Photonics provides unique advantages for scalability, as photons are unaffected by heat and electromagnetic interference, and seamlessly integrate with existing cryogenic cooling and standard fiber-optic infrastructures.In 2024, PsiQuantum announced government-backed projects aimed at constructing our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives underscore the growing acknowledgment of quantum computing as a pivotal force for strategic and economic development, marking an opportune moment for expansion.Additionally, PsiQuantum is dedicated to developing the algorithms and software essential for unlocking the commercial potential of these systems. Our applications and industry teams collaborate directly with Fortune 500 companies, including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical, to tailor quantum solutions for real-world applications.Quantum computing signifies not merely an extension of classical computing but a paradigm shift that enables us to address complex challenges that are insurmountable by traditional means. The possibilities are vast, and we have a clear roadmap to realize them.Join us in this exciting journey!

About VoltaiAt Voltai, we are at the forefront of innovation, creating advanced world models and agents designed to learn, assess, strategize, experiment, and engage with the physical world. Our initial focus lies in developing cutting-edge hardware, electronic systems, and semiconductors, leveraging AI to design and generate solutions that exceed human cognitive capabilities.About the TeamOur team is backed by some of Silicon Valley's most distinguished investors, Stanford University, and leaders from industry giants like Google, AMD, Broadcom, and Marvell. We comprise former Stanford professors, SAIL researchers, Olympiad medalists (IPhO, IOI, etc.), CTOs from Synopsys & GlobalFoundries, and high-ranking officials including a former US Secretary of Defense and National Security Advisor.About this RoleIn this role, you will be responsible for designing and deploying high-performance network architectures that connect Voltai's computing infrastructure with distributed simulation environments. You will focus on optimizing latency, throughput, and fault tolerance to build intelligent network systems that can scale across global data centers and AI workloads.

Located in the heart of Silicon Valley, genbio is an innovative start-up where a dynamic team of scientists, engineers, and entrepreneurs is revolutionizing the fields of biology and medicine through the transformative capabilities of Generative AI. Our team is composed of trailblazers in AI and Biological Sciences, continually redefining the limits of what can be achieved. We envision a groundbreaking paradigm shift in biology and medicine.At genbio, our mission is to provide a comprehensive understanding of biology, paving the way for the next generation of life-altering solutions. As a pioneer in pan-modal Large Biological Models (LBM), we are leading a new chapter in biomedicine, with our LBM training facilitating extraordinary advancements and a reimagined approach to healthcare. Our robust R&D team and expertise in LLM and generative AI place us at the cutting edge of this transformative industry. With our headquarters in California and a branch office in Paris, we are set to make a significant global impact. Join us on our journey to reshape the future of biology and medicine through the revolutionary power of Generative AI.

At PsiQuantum, our mission is to revolutionize the future of computing by developing the world's first practical quantum computers—machines designed to deliver unprecedented breakthroughs that the industry has long anticipated. Since our inception in 2016, we have dedicated ourselves to constructing and deploying million-qubit, fault-tolerant quantum systems. Our quantum computers leverage the principles of quantum mechanics to tackle complex challenges that are insurmountable for even the most powerful supercomputers and AI technologies. The transformative potential of quantum computing spans a multitude of sectors including energy, pharmaceuticals, finance, agriculture, transportation, materials, and beyond. Our innovative architecture is grounded in silicon photonics, allowing us to leverage advanced semiconductor manufacturing processes—collaborating with industry leaders like GlobalFoundries. This approach benefits from the scalability of photonics, which are immune to heat and electromagnetic interference, and seamlessly integrates with existing cryogenic cooling and fiber-optic infrastructure. In 2024, PsiQuantum announced government-funded projects aimed at establishing our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives underscore a growing consensus on the strategic and economic significance of quantum computing, signaling that now is the opportune moment for expansion. Additionally, PsiQuantum is actively engaged in developing the algorithms and software necessary to unlock the commercial potential of these systems. Our dedicated application, software, and industry teams collaborate closely with leading Fortune 500 companies such as Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical to tailor quantum solutions for tangible impact. Quantum computing signifies a paradigm shift beyond classical computing, representing a pathway to overcoming challenges that cannot be addressed through traditional methods. The possibilities are vast, and we have a clear roadmap to actualizing this potential. Join our team and be a part of this groundbreaking journey.

Pivotal stands at the forefront of the innovative electric Vertical Takeoff and Landing (eVTOL) aircraft market, specializing in the design, development, and manufacturing of lightweight eVTOL aircraft. We are particularly recognized for our flagship model, the BlackFly, which has made history as the world's first light eVTOL to successfully conduct manned missions and enter the consumer market.Our aircraft are designed to be efficient, compact, and user-friendly, catering to a diverse array of applications in consumer markets, public services, and defense sectors. With over a decade of successful flight history, our unique tilt-aircraft architecture and scalable platform have set a new standard in aviation. In the past year, we unveiled our next-generation model, the Helix, which is on track for general release and scalable production by early 2026.As mobility continues to evolve as one of the most sought-after sectors in modern technology investments, Pivotal is strategically positioned to lead in this dynamic landscape. We invite adventurous and innovative individuals to join our exceptional team and grow alongside us.In your role within the Firmware Engineering team, you will play a pivotal part in the development and maintenance of manufacturing test systems for our eVTOL aircraft.

Join Klaviyo as a Senior Lead AI Engineer and be at the forefront of creating innovative AI solutions that enhance customer experiences and drive business growth. In this role, you will lead a team of talented engineers, collaborating on cutting-edge AI technologies and methodologies. Your expertise will help shape the future of our AI initiatives, making a significant impact on our product offerings.

About xAIAt xAI, we are dedicated to developing advanced AI systems that comprehend the complexities of the universe and assist humanity in its quest for knowledge. Our team is compact, highly driven, and committed to engineering excellence. We value individuals who seek challenges and embrace curiosity. Operating within a flat organizational structure, we expect all employees to be proactive and directly contribute to our mission. Leadership opportunities are given to those who demonstrate initiative and consistently deliver outstanding results. A strong work ethic and exceptional prioritization skills are essential. Effective communication skills are a must, allowing team members to convey knowledge clearly and accurately.About the RoleAre you a strategic thinker and adept problem-solver with extensive knowledge of contemporary IT systems? We are on the lookout for a Senior IT Systems Engineer who is enthusiastic about spearheading automation efforts, advancing our enterprise workforce identity and access management (IAM), and designing scalable, secure SaaS integrations. In this pivotal individual contributor role, you will collaborate closely with IT Services, Information Security, HR, Finance, and Engineering teams. You will be responsible for the deployment and integration of vital IT systems, serving as the primary escalation point for intricate IT outages and architectural issues, and guiding the development of our hybrid infrastructure to accommodate swift business growth.

Rivian and Volkswagen Group Technologies brings together two leaders in the automotive sector to develop new technology for electric vehicles. The partnership focuses on solutions ranging from advanced operating systems and zonal controllers to secure cloud connectivity. By combining expertise in connectivity, artificial intelligence, and security, the team works to shape a more connected and sustainable future in mobility. Role overview The Senior Data Engineer joins the Core Data team, which builds and scales the data platform supporting analytics and decision-making. Within this team, the Operational Insights group handles data from production environments, turning complex operational and quality data into dependable data products and performance metrics that drive business results. What you will do Design and maintain scalable data ingestion pipelines for analytics initiatives across multiple programs and locations Create well-structured datasets to support analytics and AI-driven insights Ensure data integrity and reliability across key operational systems Bridge operational systems, data platform engineering, and analytics to convert raw data into governed, high-value datasets Who thrives in this role This role suits those who enjoy building data infrastructure that connects operational systems and analytics, and who take pride in transforming raw data into reliable, actionable insights for a broad range of business needs.

About VoltaiAt Voltai, we are pioneering innovative models and agents that learn, evaluate, plan, experiment, and engage with the physical world. Our initial focus is on the development of advanced hardware, specifically electronic systems and semiconductors, leveraging AI to surpass human cognitive capabilities in design and creation.About the TeamSupported by leading Silicon Valley investors and prestigious affiliates, including Stanford University and executives from tech giants like Google, AMD, Broadcom, and Marvell, our team comprises former Stanford professors, SAIL researchers, and award-winning Olympiad medalists. Additionally, our ranks include experienced CTOs from Synopsys and GlobalFoundries, as well as former high-ranking officials in U.S. defense and foreign policy.About this RoleIn this role, you will design and optimize power conversion and distribution systems tailored for high-performance computing and autonomous hardware. Responsibilities include architecting topologies, simulating efficiency trade-offs, and validating thermal and EMI performance under extreme conditions. Your contributions will ensure that AI systems function with optimal power integrity and minimal loss.

About Us At vinci4d, we are revolutionizing the hardware design landscape with our cutting-edge AI assistant, aimed at empowering engineers to accelerate their design iterations by a staggering 1000 times.Our innovative foundation model, driven by geometry and physics, is tailored for each category of part design.We are on the lookout for passionate individuals who thrive on product development to enhance our Minimum Viable Product (MVP).Your ResponsibilitiesAs a pivotal member of our team, you will design and develop the essential pipelines and tools that transform our vision into reality. Your contributions will significantly expedite our development processes by facilitating smooth transitions from code development to deployment. Key responsibilities include:Enhancing product features for scalability and developing advanced APIs to support intricate engineering workflows.Establishing and integrating LLM or VLM infrastructure.Implementing an MLOps framework for training deep learning models using geometry and physics data.Collaborating with early customers and design partners to strategize and prioritize the development roadmap.Building and deploying critical product features.Gaining invaluable experience while creating products that resonate with engineers, and learning about the entrepreneurial journey.QualificationsA minimum of 6 years in developing and delivering features within the high-performance computing domain.Expertise in C++, Python, or any relevant language necessary for system setup, along with familiarity with tools such as gRPC, Protocol Buffers, Docker, Kubernetes, and Bazel.Experience with cloud computing for data generation, scraping, and assisting data science teams in model training with MLOps is a plus.CUDA experience is desirable but not mandatory.Frontend development experience is a bonus.Prior experience in a startup environment will be highly valued.You’ll Thrive in This Role If YouAre enthusiastic about entrepreneurship and the process of transforming ideas from concept to reality.