Network Development Engineer, ML Infrastructure (High-Speed Interconnects)

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.

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 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.

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 to tackle challenges far beyond the capabilities of even the most advanced supercomputers and AI systems. The implications of this technology will transform industries such as energy, pharmaceuticals, finance, agriculture, transportation, materials, and more.Our innovative architecture is grounded in silicon photonics, utilizing advanced semiconductor manufacturing techniques. Collaborating with industry leaders like GlobalFoundries, we employ high-volume production processes that yield billions of chips for telecommunications and consumer electronics. Photonics presents remarkable scalability advantages: photons are unaffected by heat, immune to electromagnetic interference, and seamlessly integrate with existing cryogenic cooling and standard fiber-optic frameworks.In 2024, PsiQuantum announced government-funded initiatives aimed at constructing our inaugural utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These projects underscore the growing acknowledgment of quantum computing's pivotal role in shaping the future and the urgency to scale our efforts.Additionally, PsiQuantum is at the forefront of developing the algorithms and software necessary to enhance the commercial viability of these systems. Our teams collaborate directly with eminent Fortune 500 companies—including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical—to ensure our quantum solutions deliver real-world impact.Quantum computing signifies not merely an extension of classical computing but a profound paradigm shift that paves the way for solving complex challenges that defy traditional methods. The potential is vast, and we possess a clear roadmap to actualizing this promise.Become a part of our groundbreaking journey.

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.

At Rhoda AI, we are pioneering the development of a comprehensive technology stack for the future of humanoid robotics. Our focus ranges from high-performance, software-defined hardware to cutting-edge foundational models and video world models that govern these systems. Our robots are engineered as versatile generalists, adept at navigating complex, real-world scenarios that extend beyond conventional training environments. Collaborating at the forefront of large-scale learning, robotics, and systems, our research team comprises distinguished experts from renowned institutions such as Stanford, Berkeley, and Harvard. With an impressive funding of over $400 million, we are committed to substantial investments in research and development, hardware innovation, and the scaling of manufacturing processes to bring our vision to life.Position OverviewWe are currently seeking a Senior ML & Data Infrastructure Engineer to take ownership of and enhance our data model training pipeline. This role encompasses the entire lifecycle, from raw data ingestion and storage to sophisticated indexing, retrieval, and throughput optimization at an unprecedented scale.Key ResponsibilitiesDesign, develop, and scale a robust data infrastructure capable of processing and managing billions of video clips while ensuring reliability, low latency, and cost-effectiveness.Create and optimize large-scale storage solutions, including cloud object storage and databases, tailored for multimodal datasets.Develop high-performance indexing and retrieval systems to facilitate rapid dataset querying, filtering, and iteration for both research and production applications.Establish observability frameworks for data pipelines that encompass monitoring, alerting, failure recovery, and performance enhancements.Implement intelligent workload distribution and throughput enhancements across distributed compute and storage infrastructures.Oversee data artifacts, versioning, and lineage to guarantee reproducibility and traceability throughout training cycles.Create user-friendly internal interfaces and lightweight tools that empower researchers and engineers to explore, query, and analyze extensive datasets efficiently.Facilitate the integration and scalable deployment of vision-language models (VLMs) within data pipelines for purposes such as screening, enrichment, or metadata generation.QualificationsA minimum of 5 years of experience in data infrastructure, distributed systems, machine learning infrastructure, or a closely related field.Proven expertise in developing and managing large-scale data pipelines and storage solutions.Strong programming skills in languages such as Python, Java, or Scala, and proficiency with data processing frameworks.Experience with cloud-based storage solutions and databases, as well as knowledge of multimodal data management.Ability to work collaboratively in a fast-paced, innovative environment.

Join our team at Mind Robotics as a Machine Learning Infrastructure Engineer, where you'll play a pivotal role in developing the systems that facilitate effective large-scale model training. This position is ideal for individuals who thrive in high-scale environments—overseeing distributed training, managing core ML infrastructure, and leveraging rapid iteration loops across hundreds of GPUs. If you have experience building or managing large training systems in frameworks like PyTorch or JAX and have a passion for optimizing processes such as sharding, parallelism, and performance, you'll find a welcoming environment here. Collaborate closely with researchers to minimize friction, enhance reliability, and streamline the processes for training, evaluating, and deploying models that integrate into real-world applications.

About xAIAt xAI, we are on a mission to develop advanced AI systems that can profoundly comprehend the universe and support humanity in its quest for knowledge. Our team is compact yet highly driven, emphasizing engineering excellence and innovation. We seek individuals who relish challenges and thrive on curiosity, contributing directly to our mission in a collaborative, flat organizational structure. Initiative and a commitment to delivering outstanding results are paramount. Strong communication skills are essential, enabling team members to convey knowledge effectively and precisely. About the RolexAI has pioneered the creation of a 100k GPU cluster on an Ethernet network, achieving this remarkable feat twice in just 92 days. We are currently seeking an experienced engineer proficient in RoCEv2 to scale our operations while enhancing performance and reliability.Our rapid development pace with cutting-edge hardware is crucial in deepening our understanding of the universe. To achieve our next major breakthrough, we must take charge of our network performance and availability, optimizing them for our training models and customer inference queries. Your role will predominantly involve diving deep into NCCL, creating metric dashboards, and fine-tuning configurations to maximize performance. You will play a pivotal role in designing the next generation of our backend and front-end networks, enabling seamless expansion of our GPU infrastructure with minimal engineering intervention.Expect considerable travel to Memphis for capacity expansion, participation in team on-call rotations, and assistance with scaling and maintenance initiatives. This position promises to be both dynamic and rewarding.

About xAIAt xAI, our mission is to develop advanced AI systems that deepen our understanding of the universe and empower humanity's quest for knowledge. Our team is compact yet highly driven, dedicated to engineering excellence. We welcome individuals who thrive on challenges and possess a curious mindset. Operating with a flat organizational structure, we empower all employees to take initiative and directly contribute to our mission. Strong work ethic and prioritization are crucial, along with excellent communication skills to effectively share insights with teammates. About the RoleOur innovative platforms, Grok and X, rely on our robust on-premise infrastructure, enabling rapid deployment of extensive capacities. The seamless experience enjoyed by users during townhalls on X and while utilizing Grok for universal comprehension is made possible through our cutting-edge Edge networking infrastructure.We are looking for two seasoned Network Engineers to architect, develop, and enhance our peering and transit infrastructure, including routing policies, eDNS, cloud connectivity, CGNAT, and load balancer fleets. Ideal candidates will possess strong Python skills to automate processes and minimize customer impact.

Senior Software Engineer, Infrastructure About Ladder At Ladder, we identified a significant issue in the life insurance sector: the lengthy application process, the excessive paperwork, and the numerous in-person meetings with agents. Motivated by personal loss, our CEO, Jamie, set out to simplify the process of obtaining essential coverage for families. We innovated real-time underwriting using AI, transforming the months-long life insurance application into a matter of minutes. Our user-friendly digital experience ensures instant decisions and has garnered exceptional user reviews, with over $74 billion in coverage issued. About the Role We are in search of a Senior Software Engineer who will enhance developer productivity within Ladder's engineering team. You will take charge of modernizing our CI/CD pipelines, build systems, and developer tools, while also contributing to the robustness of our cloud infrastructure and data platform. The ideal candidate will possess a proven track record in software engineering, demonstrate leadership qualities, and have a thorough understanding of engineering infrastructure. This position is remote, available in any of the 22 states where Ladder is hiring: AZ, CA, CO, CT, FL, GA, KS, MA, MD, MN, NC, NH, NJ, NV, NY, OH, OR, PA, TX, VA, WA, WI. Please note that Ladder is not sponsoring or transferring OPT or H1-B visas at this time. How You’ll Make a Difference As a senior engineer in our team, your responsibilities will extend beyond coding; you will influence our platform strategy. Your contributions will include: Enhancing developer velocity across the engineering organization by measuring and optimizing the developer workflow, which encompasses build times, test parallelization, deployment speeds, and daily tooling. Shaping the architecture of Ladder’s production infrastructure by evaluating design trade-offs and making impactful technical decisions, such as transitioning from custom monitoring tools to native cloud provider integrations or redefining data pipeline rebuild processes in response to upstream logic changes. You will have the insight to see the holistic view across systems and determine where to allocate engineering resources effectively. Engaging in incident response for infrastructure issues, leading retrospectives, and ensuring actionable follow-through on resolutions.

Whop builds tools for individuals and businesses to create, connect, and transact within a single online marketplace. The platform supports payment acceptance, business launches, and network engagement for users worldwide. Each year, Whop manages payouts exceeding $3 billion across 144 countries. The company is growing rapidly, with monthly growth rates near 25%. Whop is supported by major investors such as Insight, Bain Capital Ventures, Peter Thiel, and most recently Tether. The team includes over 75% former founders, many of whom have scaled their own businesses beyond $1 million in revenue. Leaders at Whop bring experience from companies like Meta and Robinhood. More information about Whop is available at whop.com.

Role Overview Latitude is looking for a Senior Software Engineer focused on Test Infrastructure. This role centers on strengthening testing frameworks to help deliver reliable software. The position is available in Pittsburgh, PA, Palo Alto, CA, or Detroit, MI. What You Will Do Work closely with teams across engineering, product, and QA to support development efforts. Design, build, and maintain test infrastructure that supports software quality. Help improve and extend frameworks used for automated and manual testing.

Role Overview Pylon is hiring an Infrastructure Engineer, Foundation, based in Palo Alto. This role focuses on designing, implementing, and maintaining infrastructure that supports the company’s core products and services. The work directly supports operational reliability and technical growth across the organization. What You Will Do Design and build infrastructure solutions to support Pylon’s main offerings Maintain and improve existing systems to ensure reliability and performance Work with teams across engineering and other functions to integrate and support infrastructure needs Identify opportunities to optimize system performance and scalability Who We’re Looking For Proactive approach to problem solving and infrastructure development Interest in building scalable systems and improving performance Comfort working closely with cross-functional teams

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.

Join Mashgin as an Infrastructure Software Engineer and be a part of our innovative team dedicated to enhancing the efficiency of our cutting-edge technology. You will play a critical role in designing, developing, and maintaining robust infrastructure systems that power our products and services. Your expertise will help us streamline operations, improve performance, and ensure reliability across our platforms.

Join xAI’s innovative security team as a Senior Network Security Engineer, where you will leverage your extensive knowledge in network security technologies, particularly in firewalls, VPNs, and routing protocols. Engage in a fast-paced environment that values adaptability and problem-solving skills, while ensuring the security of our cutting-edge AI infrastructure. Your role will involve implementing robust security measures, managing firewall configurations, and developing forward-thinking network security solutions that address our evolving challenges.

At Ricursive Intelligence, we are pioneering advancements in artificial intelligence by creating self-improving systems with a focus on innovative chip design. Our mission is to revolutionize chip development, effectively bridging the gap between AI and the hardware that supports it, thereby accelerating the journey towards artificial superintelligence.We are seeking exceptional engineers who are passionate about tackling a wide range of challenges in scaling, low-level optimization, and the fundamental infrastructure necessary for large language model training and inference.

Role overview BitGo is looking for a Senior Infrastructure Engineer in Palo Alto, California. This role focuses on building and maintaining the company's infrastructure to support reliable, high-performing services. What you will do Work with teams across the company to design, implement, and improve infrastructure systems Ensure systems remain highly available and deliver strong performance Apply cloud technologies and infrastructure as code practices to support and enhance services What we look for Experience with cloud platforms Strong background in infrastructure as code Ability to collaborate with engineers from different disciplines

Join our innovative team at Xai as an Infrastructure Security Engineer. In this role, you will be instrumental in safeguarding our infrastructure, ensuring that our systems are secure against evolving threats. You will collaborate with cross-functional teams to implement security measures and best practices.