Senior Product Design Engineer - Thermal Systems

About Hark Hark is at the forefront of artificial intelligence, dedicated to developing sophisticated, personalized AI systems. Our goal is to create an AI that is proactive, multimodal, and capable of engaging with the world through various modalities such as speech, text, vision, and long-term memory. We are combining this intelligence with state-of-the-ar…

About Archer Aviation Archer Aviation, based in San Jose, California, develops all-electric vertical takeoff and landing (eVTOL) aircraft. The company focuses on sustainable air mobility, designing aircraft that can carry four passengers while minimizing noise. Archer values creative problem-solving and believes that a diverse, inclusive workplace leads to stronger results and a more supportive team environment. Role Overview The Thermal Systems Design Engineer for Hybrid Powertrain will lead the design and development of advanced thermal systems for Archer’s hybrid aircraft. This role involves hands-on engineering, collaboration across disciplines, and responsibility for the system’s full lifecycle, from concept to implementation. Key Responsibilities Design, model, and implement innovative thermal systems for hybrid aircraft. Select technologies and materials suited for complex thermal management challenges. Ensure thermal systems are lightweight, efficient, and cost-effective. Validate performance through rigorous testing and system definition. Work closely with stakeholders to deliver a comprehensive thermal solution. Oversee the thermal system’s lifecycle, coordinating with manufacturing and testing teams. Present design concepts and project updates to stakeholders. Collaborate with supply chain, quality assurance, manufacturing, and stress/FEA engineers.

About EtchedEtched is at the forefront of innovation, developing the world's first AI inference system specifically designed for transformers. Our technology achieves over 10 times the performance of traditional systems while significantly reducing cost and latency compared to a B200. With Etched ASICs, we enable the creation of revolutionary products, such as real-time video generation models and advanced reasoning agents that can handle complex tasks. Supported by substantial investments from leading investors, and driven by a team of top engineers, we are reshaping the infrastructure for one of the fastest-growing industries.Job SummaryWe are looking for a highly skilled Senior Thermal Engineer specializing in Liquid Cooling Systems to enhance our team and spearhead our thermal management initiatives for high-performance systems. In this pivotal role, you will develop and implement cutting-edge thermal management solutions for our advanced data center products. Your proficiency in water cooling, thermal simulations, and cooling system design will be vital in ensuring peak thermal performance and reliability. You will engage with various water cooling components, including internal manifolds, quick disconnects, CDU (Coolant Distribution Units), heat exchangers, and sophisticated thermal interface materials.Key ResponsibilitiesLead the design and optimization of advanced thermal management systems for high-performance data center products, with an emphasis on innovative water cooling solutions.Develop and execute water cooling strategies, including internal manifolds, quick disconnects, CDUs, and heat exchangers, to ensure effective cooling and thermal management for high-power processors and other critical components.Design and oversee direct-to-processor water cooling systems to efficiently dissipate heat and maintain optimal operating temperatures.Perform comprehensive thermal simulations to predict and analyze thermal performance, utilizing results to inform system design and optimization.Select and assess thermal interface materials (TIMs) for various cooling solutions, optimizing their performance to enhance thermal conductivity and heat dissipation.Investigate and implement innovative thermal cooling concepts, such as phase change cooling and other advanced techniques.Supervise the testing and validation of thermal management systems to ensure compliance with performance standards.

About Archer Archer, based in San Jose, California, designs and builds all-electric vertical takeoff and landing aircraft. The company focuses on sustainable air mobility and aims to transport four passengers while reducing noise pollution. Archer values diversity and strives to create an inclusive workplace where every team member’s perspective contributes to smarter solutions. Role Overview The Thermal Analysis Engineer for Battery Systems will support the design and performance of battery packs and modules for Archer’s aircraft. This position involves simulation, testing, and collaboration across multiple engineering teams to ensure reliable and safe thermal management. Main Responsibilities Run thermal analysis and simulations on battery packs and modules using advanced CAE tools. Develop simulation methods and workflows to improve team productivity. Design and optimize battery thermal management systems, including cold plates and phase change materials, to achieve high performance and safety. Plan and conduct thermal testing to validate and refine analytical models. Work closely with mechanical, electrical, control, and systems engineering teams to integrate thermal solutions and models. Prepare detailed reports and presentations documenting findings, design recommendations, and test results.

At Antora, we are revolutionizing industrial energy solutions by developing advanced thermal batteries designed to deliver continuous, low-cost energy for industrial operations. Proudly manufactured in the U.S., our modular thermal batteries provide dependable heat and power, empowering industrial facilities of any size to achieve predictable and profitable decarbonization. We are on a mission to electrify global industry while supporting American manufacturing, reducing energy costs for consumers, and enhancing the competitiveness of U.S. industry.We are expanding our team with individuals who prioritize collaboration and purpose, cherish connection through laughter and joy, and approach their work with humility and openness. Our commitment to fostering a diverse, passionate, and innovative team is unwavering as we strive for a future where every industrial facility worldwide is powered by abundant, clean, low-cost energy.Position SummaryWe are on the lookout for a Senior / Staff Systems Engineer in San Jose—an enthusiastic, inquisitive, and dedicated engineer to join our Technology Development team. Your expertise will contribute to delivering zero-carbon industrial heat and power through our innovative solid-state thermal battery solutions.This role is deeply collaborative and central to system innovation. You will engage across various disciplines to influence the architecture and operational philosophy of Antora’s future offerings. Leveraging first-principles modeling, data analytics, and real-world performance insights, you will accelerate our mission to decarbonize the industrial sector at scale.

Archer Aviation develops all-electric vertical takeoff and landing (eVTOL) aircraft in San Jose, California. The company designs and builds vehicles that carry up to four passengers, with a focus on quiet operation and reduced environmental impact. High standards and a willingness to tackle complex challenges shape Archer’s approach. The team values diversity and inclusion, recognizing that a range of backgrounds and perspectives strengthens creativity and results. Every team member’s contribution is welcomed and respected.

Archer Aviation is an innovative aerospace firm located in San Jose, California, focused on developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to enhance sustainable air mobility, creating an aircraft that comfortably accommodates four passengers while minimizing noise.At Archer, we aim high and tackle challenging problems. We believe that a diverse workforce fosters smarter solutions, drives better insights, and ultimately leads us all to success. We are committed to creating an equitable and inclusive workplace that celebrates our differences and supports every team member.

Join OKX as a Senior Product Designer focused on OKX Pay, where your creativity and design skills will shape the future of crypto transactions. You will lead the design process, from ideation to execution, ensuring a seamless user experience across our platform. Collaborate with product managers, developers, and other stakeholders to create innovative design solutions that enhance our customers' crypto experience. Your expertise will help drive the vision of OKX Pay and contribute to the growth of our services.

Role overview The Power Systems Design Engineer at Etched will design, analyze, and refine power systems to meet demanding performance and reliability standards. This position requires working closely with colleagues from multiple teams to create solutions that align with client requirements. What you will do Design and analyze power systems for both new initiatives and ongoing projects Apply engineering best practices to enhance system performance and reliability Collaborate with cross-functional teams to develop and implement tailored solutions Location This role is based in San Jose.

Archer Aviation is a pioneering aerospace company headquartered in San Jose, California, focused on developing an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to revolutionize air mobility by providing sustainable transportation solutions that are not only efficient but also environmentally friendly, allowing for quiet and smooth journeys with a capacity for four passengers.We are committed to pushing the boundaries of technology and innovation, and we recognize that a diverse workforce enhances our problem-solving capabilities and fosters greater creativity. At Archer, we strive to build an inclusive workplace that values each individual's unique contributions and perspectives, empowering our team to achieve collective success.What You'll Do:Design and develop inlet and exhaust ducting systems for turboshaft engines and advanced thermal management systems on aircraft.Collaborate with aerothermal analysts to refine duct designs for optimal performance, pressure drop, and thermal efficiency.Take ownership of the design process from initial concept through to production, including requirements gathering, 3D CAD modeling, detailed drawings, bill of materials (BOM), and design verification.Engage with suppliers to oversee fabrication processes, ensuring adherence to design specifications and troubleshooting manufacturing challenges.Select and integrate commercial off-the-shelf (COTS) components such as bellows, flex joints, seals, and clamps as needed.Develop and execute verification testing strategies for ducting systems, supporting thorough qualification testing including pressure, temperature, and vibration assessments.Establish and nurture supplier relationships to lead procurement efforts effectively.Collaborate with Systems Engineering and aerothermal analysts to document and validate design requirements thoroughly.

About Archer Aviation Archer Aviation is developing all-electric vertical takeoff and landing aircraft to advance sustainable air mobility. The company’s aircraft is designed to carry four passengers, with a focus on reducing noise and supporting environmental goals. Archer values a diverse and inclusive workplace, encouraging collaboration and recognizing the unique contributions of each team member. Role Overview The Mechanical Design Engineer - Turboshaft Systems will support the design and development of a new Turbogenerator system. This role is based in San Jose, California. Main Responsibilities Create detailed models of components and large assemblies for the Turbogenerator using Siemens NX. Develop master geometry and skeleton models. Design components with manufacturability and assembly in mind. Produce accurate 2D manufacturing drawings. Apply geometric dimensioning and tolerancing standards. Oversee the design process, working closely with manufacturing and testing teams. Maintain bills of materials, test protocols, and design guidelines. Present design concepts clearly to stakeholders. Work collaboratively with supply chain, quality assurance, manufacturing, and engineering teams.

Archer Aviation Inc., situated in the heart of San Jose, California, is at the forefront of aerospace innovation, dedicated to constructing an all-electric vertical takeoff and landing aircraft. Our mission is to revolutionize sustainable air mobility by designing, manufacturing, and operating aircraft capable of transporting four passengers with minimal noise pollution.We aspire to achieve remarkable advancements while tackling complex challenges. We firmly believe that a diverse workforce enhances our intelligence, drives insightful solutions, and propels us toward collective success. Our commitment is to foster an equitable and inclusive work environment that honors our differences and uplifts every member of our team.The RoleIn the role of Senior Staff Systems Engineer within the Air Vehicle group, you will focus on Mechanical Systems. You will engage with various systems including Landing Gear, Cabin, Closures, Environmental Control, Airframe, and Wiring Systems, taking on the responsibility as the Systems Engineer for one of these areas. This position allows you to bridge the gap between high-level aircraft requirements and detailed component design, ensuring seamless interfaces. Your confidence and eagerness to collaborate with multiple disciplines across the organization will be paramount to your success.What you’ll do:Collaborate with diverse engineering teams to design high-reliability, safety-critical systems for aircraft.Lead the preparation of reports to validate system readiness for key milestone reviews.Serve as the primary contact for system-level documentation and reporting.Drive change management initiatives within a complex product structure.Lead efforts to:Conduct operational and functional analyses,Define and decompose system requirements with traceability through overall system architecture,Establish and manage technical/programmatic performance metrics (cost, weight, performance objectives),Ensure full compliance with safety regulations.Collaborate with technical disciplines to develop verification plans, support verification/test planning, and conduct assessments to demonstrate compliance with system requirements.

Archer Aviation, based in San Jose, California, develops all-electric vertical takeoff and landing aircraft. The company focuses on advancing sustainable air mobility, designing vehicles that carry four passengers and operate with low noise. Archer values a diverse team and aims to create an inclusive workplace where different perspectives drive better solutions. The company encourages collaboration and respects the unique contributions of every employee. Role Overview The Senior Battery Design Engineer will lead efforts to design high voltage battery pack components for multiple aircraft programs, including both commercial and defense projects. This role covers the full design process, from initial concept through completion. What You Will Do Lead design of high voltage battery pack components across various aircraft programs, from concept to final product. Collaborate with CAE engineers, quality assurance, testing, supply chain, and manufacturing teams to ensure strong design and product quality. Provide hands-on support for prototyping, assembly, and troubleshooting throughout the design cycle. Work with integration and certification teams to meet all FAA certification requirements. Develop innovative battery designs tailored to the demands of aerospace applications.

Archer is an innovative aerospace company located in San Jose, California, dedicated to developing an all-electric vertical takeoff and landing aircraft. Our mission is to enhance sustainable air mobility, creating aircraft that can comfortably transport four passengers while significantly reducing noise pollution.We aspire to tackle challenging problems with high ambitions, believing that a diverse workforce fosters smarter solutions, deeper insights, and collective success. We are committed to creating an equitable and inclusive workplace that values and celebrates our unique differences.OVERVIEWWe are looking for a talented Senior Product Designer to join Archer’s Design Studio, supporting our internal Product Development team. In this role, you will design engaging digital interfaces for both mobile and desktop applications, serving internal teams and external clients. You will have a significant impact on creating innovative features and products, from internal proof-of-concept demos to customer-facing SaaS solutions tailored for the airline industry. Your work will help shape user experiences that are intuitive, effective, and scalable, contributing to our vision of pioneering advanced airline solutions.You will collaborate closely with cross-functional teams to develop applications that meet user needs. The ideal candidate will have a passion for crafting intuitive solutions that align with our brand experience. You will proactively work with designers, engineers, and product stakeholders, utilizing both qualitative and quantitative data to inform your design decisions. Proficiency in translating requirements into actionable product features is essential for delivering seamless app experiences.Your primary focus will be ensuring that design states are prepared for development at least one sprint ahead of front-end engineers, assisting them throughout the implementation phases (from MVP and beyond) to guarantee a smooth development process and address any unforeseen edge cases.

About Hark Hark is a pioneering artificial intelligence company dedicated to developing advanced, personalized intelligence systems. Our vision is to create proactive, multimodal AI capable of engaging with the world through speech, text, vision, and persistent memory. We are innovating the interface between humans and machines by integrating our cutting-edge intelligence with next-generation hardware. Unlike traditional AI that relies on outdated chat interfaces and devices, Hark is focused on the future: building agentic systems that interact seamlessly and naturally with people and their environments. Our mission involves the collaborative development of multimodal models and next-gen AI hardware, engineered as a cohesive unit to usher in a new era of intelligent systems. About the Role We are seeking a talented Product Design Engineer to influence the physical design of our AI-powered devices. In this role, you will engage in the complete product development process—from initial concept sketches to CAD modeling, prototyping, and Design for Manufacturability (DFM). You will collaborate closely with electrical and machine learning engineers to create enclosures and mechanisms that support intricate sensor arrays, efficient thermal systems, and compact computing modules.

About OKX OKX stands as a regulated cryptocurrency exchange and self-custody wallet provider, serving millions worldwide. The platform supports a growing ecosystem of decentralized applications, with new features regularly introduced across trading, DeFi, payments, and social products. Each launch brings fresh design challenges and opportunities to shape user experience. The design team at OKX is evolving, with a focus on raising the bar for craftsmanship, strengthening brand consistency, and weaving AI into daily workflows. The team operates with clear values: We Before Me, Do the Right Thing, and Get Things Done. These principles guide hiring, development, and project execution. Role Overview: Design Director of Visual Systems OKX is hiring a Design Director of Visual Systems to lead the creation and evolution of its visual language. This leader will ensure creative quality and consistent brand expression across every product experience. The goal: build and scale a visual system that clearly communicates OKX’s brand intent to users. Key Focus Areas Develop and refine the visual framework that defines the brand’s look and feel. Drive creative excellence and maintain brand consistency across all touchpoints. Collaborate closely with both Brand and Product Design teams, strengthening the connection between these groups through a unified visual infrastructure. Foster a culture of collaboration and innovation within the design organization. Location This position is based in San Jose, California, United States.

Archer Aviation is a pioneering aerospace firm located in San Jose, California, dedicated to revolutionizing air travel through its all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission focuses on enhancing sustainable air mobility while providing a quiet and efficient solution for urban transportation.At Archer, we set ambitious goals and face complex challenges. We believe that a diverse workforce fosters innovation, drives better insights, and leads to collective success. We are committed to creating an equitable and inclusive environment that values each team member's unique contributions.Key Responsibilities:Contribute to the development and optimization of the aircraft’s Landing Gear and Brake Control Systems.Assist in the design, construction, and execution of flight hardware, test stands, procedures, and reports for qualification, certification, and production purposes.Participate in team projects related to landing gear, brake systems, wheels, and tires.Lead the technical direction of designs and oversee their delivery, testing, and certification processes.Collaborate with suppliers and manage technical deliverables efficiently.Conduct performance analyses, including braking energy and multibody dynamic landing assessments.Create, review, and execute tests at both equipment and system levels.Analyze flight test data for insights and improvements.

About EtchedEtched is pioneering the development of the world's first AI inference system specifically designed for transformer models, achieving over 10x the performance and significantly lower costs and latency compared to traditional methods like B200. With our proprietary ASICs, you can create revolutionary products, such as real-time video generation models and highly sophisticated reasoning agents. Supported by substantial investments from top-tier investors and driven by a team of leading engineers, Etched is transforming the infrastructure for the fastest-growing industry of our time.Job OverviewWe are looking for a talented Substrate IC Package Layout Design Engineer to join our dynamic team. In this role, you will oversee the complete design process of intricate IC substrate packages, catering to high-power consumption and high-speed signaling requirements. The ideal candidate will bring substantial experience in large substrate designs (>50mm), complex power delivery networks, and high-speed signaling solutions (up to and exceeding 50GHz). You will collaborate closely with silicon, signal integrity, power integrity, and system engineering teams to co-design state-of-the-art substrates with OSAT providers, with a strong emphasis on optimizing power delivery through substrate technology.Key ResponsibilitiesLead the design and development of sophisticated IC substrate layouts for high-performance AI processors and accelerators.Design complex multi-layer substrate packages (>50mm) with high pin counts and intricate routing requirements.Ensure robust power delivery designs capable of supporting custom silicon solutions exceeding 700W.Develop high-speed signal routing solutions that facilitate >50GHz signaling while minimizing issues such as loss and crosstalk.Work alongside SI/PI engineers to determine signal integrity and power integrity requirements, implementing effective solutions within the substrate layout.Optimize CoWoS (Chip-on-Wafer-on-Substrate) designs for enhanced thermal and electrical performance.Collaborate with chip design, packaging, and manufacturing teams to ensure design feasibility and manufacturability.Conduct design validation and verification processes to ensure compliance with specifications.

Join Archer Aviation, a pioneering aerospace firm located in San Jose, California, dedicated to revolutionizing air mobility with our all-electric vertical takeoff and landing aircraft. Our mission is to promote sustainable air travel while ensuring minimal noise pollution, as our aircraft is designed to safely transport four passengers.We are committed to solving complex challenges and fostering a diverse workplace that fuels innovation and success. Our inclusive environment values differences and supports every team member in their journey towards excellence.As a Senior Propulsion Electrical Systems Engineer, you will lead the lifecycle of Airborne Electronic Hardware (AEH) systems for our electric propulsion units (EPU). This pivotal role connects intricate power electronics design with aircraft certification, encompassing responsibilities like defining requirements, overseeing DO-254 compliance, and conducting thorough verification and validation (V&V) campaigns for high-voltage inverters and motor control hardware. Your contributions will ensure our electric engines adhere to rigorous safety standards and environmental resilience necessary for Part 33/Part 23 certification.

Teamwork Makes the Stream Work. Roku is revolutionizing the way the world experiences television.As the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to power every television globally. We were the pioneers of streaming, and today, we connect consumers with their favorite content, empower publishers to grow and monetize their audiences, and offer advertisers unique engagement opportunities.From day one at Roku, your contributions will be both valuable and recognized. We are a rapidly growing public company where every team member plays an essential role. Join us in delighting millions of TV streamers worldwide while gaining invaluable experience across various disciplines. About the TeamOur diverse and talented UX team is dedicated to crafting delightful user experiences, one design at a time. We foster a UX culture at Roku that encourages continuous improvement and elevates our maturity within the industry. We believe that exceptional user experiences emerge from individuals who can see the big picture while paying close attention to the finer details. We seek a candidate who can navigate the complexities of understanding customer needs and aligning them with what our world-class engineers can deliver, all while keeping designs elegantly simple.About the RoleRoku is in search of a skilled and versatile Senior UX Product Designer to create intuitive and engaging streaming experiences. The ideal candidate will possess extensive experience in consumer-facing products and demonstrate a balance between strategic thinking and meticulous design execution. We seek someone fluent in communicating with designers, product managers, and engineers, with a proven track record of guiding concepts to successful launches. This role emphasizes a commitment to design excellence, delivering solutions that foster user engagement. The perfect candidate will have a history of crafting impactful experiences within the streaming industry and will be an independent operator capable of driving projects forward while actively seeking feedback from stakeholders.