Analog/Mixed-Signal Circuit Design Engineer

Join Our Innovative Team as an Analog/Mixed-Signal Circuit Design Engineer! At SK hynix America, we lead the charge in semiconductor innovation, crafting advanced memory solutions that power everything from smartphones to expansive data centers. As a pioneering force in DRAM and NAND flash technologies, our mission revolves around driving the evolution of mo…

Join Western Digital as an Analog/Mixed Signal Design Engineer and play a pivotal role in developing innovative technologies that drive the future of data storage solutions. You will work alongside a talented team of engineers to design, develop, and optimize analog and mixed-signal components for cutting-edge products.

About LumilensAt Lumilens, we are pioneering the foundational photonics infrastructure that will drive the next generation of AI supercomputing. Our innovations, ranging from chip-to-chip optical interconnects to scalable photonic engines, are set to usher in an era of computing that is faster, cooler, and significantly more efficient.As a well-funded startup supported by Mayfield and led by industry veterans, we are not just making incremental advancements; we are embarking on a transformative journey to revolutionize the optical layer from the silicon up. You'll be part of a team comprised of world-class engineers tackling some of the toughest challenges in optics, systems, and scalability. Every line of code, every design decision, and every breakthrough you contribute will play a crucial role in shaping the future infrastructure.If you seek a mission-driven environment with momentum and the opportunity to make a significant impact, come join our exciting journey. We’re just getting started.

Astera Labs develops advanced rack-scale AI infrastructure, specializing in innovative connectivity for modern AI workloads. The company partners with hyperscalers and ecosystem collaborators to deliver solutions that integrate CXL®, Ethernet, NVLink, PCIe®, and UALink™ semiconductor technologies with the COSMOS software suite. This approach supports unified, flexible systems that scale easily, while custom solutions complement standards-based offerings. Learn more at www.asteralabs.com. Role overview This PhD internship focuses on Analog/Mixed-Signal IC Design (SerDes) and will be based in either Irvine, CA or San Jose, CA. The intern will join a team dedicated to advanced node CMOS products and high-performance connectivity solutions. What you will do Design and verify analog and mixed-signal integrated circuits for advanced node CMOS products Develop and validate circuits such as PLLs, DLLs, ADCs, regulators, amplifiers, transmitters, receivers, and CDRs Ensure circuits meet strict performance standards for connectivity applications Work on analog and clocking blocks for high-speed data interfaces Use industry-standard tools, including Spectre and MATLAB, for design and verification Who we’re looking for Astera Labs seeks a motivated designer with a strong interest in analog and mixed-signal circuit design. Curiosity about advanced connectivity products and a collaborative approach to engineering are important in this role.

Lumotive is at the forefront of a revolutionary shift in programmable optics, where light is managed with the same intelligence and adaptability as software. Central to this innovation is our groundbreaking flat CMOS-based “general-purpose optic.” Lumotive’s Light Control Metasurface (LCM™) beam forming chips can be programmed to serve various optical functions such as beam steering mirrors, lenses, and beam splitters, effectively replacing cumbersome mechanical optical components with a fully digital, reconfigurable semiconductor. This advancement is set to transform numerous sectors, including 3D sensing, imaging, optical networking, and free-space optical communication, much like the transition from analog to digital in electronics. Programmable optics promise to redefine industries ranging from robotics and autonomous vehicles to AI, defense, and healthcare.Our inaugural commercial application is in LiDAR technology, where our software-defined beam steering chips are already facilitating compact, high-performance solid-state sensors. These sensors are being utilized in smart infrastructure, robotics, and mobility systems through partnerships with leading module manufacturers and solution integrators.With a portfolio exceeding 200 patents and a growing market presence, Lumotive is pioneering the world’s first digital platform for light, thereby reshaping the optical landscape.Position Overview:Lumotive is actively seeking a highly skilled and hands-on Director of Analog Engineering to spearhead the creation of next-generation analog circuitry for beam steering mixed-signal ASIC controllers. This pivotal leadership position is essential for shaping and advancing the development of active transistor matrix arrays and analog channel driver technologies in close collaboration with our optical and ASIC design teams.You will manage the complete lifecycle of mixed-signal IP, from architectural definition and design through layout, tape-out, silicon bring-up, and mass production. This role demands an accomplished technical leader with extensive domain knowledge, outstanding problem-solving abilities, and a proven track record of thriving in a dynamic, interdisciplinary environment.

Astera Labs develops solutions for AI infrastructure, specializing in advanced connectivity technologies. The company partners with hyperscalers and industry leaders to help organizations take advantage of modern AI systems. Their platform combines semiconductor technologies such as CXL®, Ethernet, NVLink, PCIe®, and UALink™ with the COSMOS software suite to deliver reliable, high-performance connectivity. Role overview The Photonics Integrated Circuits Engineer will work on designing and developing photonics integrated circuits as part of Astera Labs' connectivity platform. This role contributes to the integration of advanced semiconductor technologies that support AI infrastructure. Location This position is based in San Jose, CA.

Join Renesas Electronics Corporation as a Senior Manager, Analog Engineering in San Jose, California. In this pivotal role, you will lead a team of skilled engineers in the design and development of advanced analog and mixed-signal circuits. You will oversee project timelines, mentor team members, and collaborate with cross-functional teams to deliver innovative solutions that drive our product development forward.

Archer Aviation Inc., located in San Jose, California, is revolutionizing the aerospace industry with our all-electric vertical takeoff and landing aircraft. Our mission is to enhance sustainable air mobility by designing, manufacturing, and operating a state-of-the-art aircraft capable of carrying four passengers while ensuring minimal noise output.At Archer, we aspire to achieve remarkable heights, tackling challenging problems while fostering a diverse and inclusive workplace that drives innovation and collective success. We are committed to creating an equitable environment that values our differences and supports every team member.What You’ll DoExecute Worst Case Circuit Analysis (WCCA) and margin analysis on critical control and measurement circuits, including microcontrollers, resolver interfaces, PMICs, power trees, voltage/current sensors, and digital communication protocols (CAN, SPI, etc.).Conduct circuit simulations using SPICE and MATLAB to evaluate designs under varying component tolerances, temperature extremes, and voltage fluctuations.Lead Design Failure Mode and Effects Analysis (DFMEA) for control and sensor boards, collaborating with Safety and Reliability teams to identify and mitigate potential risks.Analyze the impact of single-event upsets and latch-ups on essential system functionalities.Perform electrical stress analysis and component derating assessments.Assist the design team with analytical validation of power management architectures, sensor interfaces, and MCU-based control circuits.Work closely with hardware, controls, firmware, safety, and reliability teams to ensure compliance with aerospace performance and certification standards.Generate technical documentation and analysis reports to support design reviews and adhere to DO-254/DO-160 compliance.

About HarkHark is at the forefront of artificial intelligence, dedicated to creating advanced, personalized intelligence systems that are proactive, multimodal, and capable of seamless interaction through speech, text, vision, and persistent memory.Our mission is to revolutionize human-machine interaction by combining cutting-edge AI with next-generation hardware, establishing a universal interface that transcends traditional chatbots and outdated devices. Hark envisions a future where intelligent systems engage naturally with people and their environments.To realize this vision, we are developing innovative multimodal models and AI hardware, meticulously designed as a unified interface for the next era of intelligent systems.About the RoleWe are seeking a Signal Integrity Engineer to enhance our hardware team and ensure the impeccable performance of our AI-driven devices at the electrical level. In this role, you will conduct Signal Integrity (SI) analysis across high-speed interfaces—such as DDR, PCIe, USB, and MIPI—and collaborate closely with PCB layout, ASIC, and mechanical design teams to overcome the unique challenges posed by compact, thermally constrained form factors. You will run simulations, validate designs in the lab, and integrate your findings into our design rules as we transition from prototypes to mass production.

Astera Labs offers a Photonics Integrated Circuits Engineer Internship for 2026 in San Jose, CA. This position centers on practical experience with photonic device and integrated circuit design, simulation, and testing. Role overview Interns will contribute to projects that cover various semiconductor processes. The work provides direct exposure to advanced photonics technology, allowing for the application of engineering concepts in real-world settings. What you will do Design and simulate photonic devices and integrated circuits Participate in hands-on testing and evaluation of prototypes Engage with projects involving multiple semiconductor fabrication processes Location This internship is based in San Jose, CA.

Job Title: Principal Engineer, Signal Integrity and Power IntegrityOffice Location: San Jose, CAWork Model: OnsiteAbout SK hynix AmericaAt SK hynix America, we are pioneers in semiconductor innovation, leading the development of advanced memory solutions that power a wide array of devices, from smartphones to data centers. As a global frontrunner in DRAM and NAND flash technologies, we are driving the evolution of mobile technology, enhancing cloud computing capabilities, and exploring future technologies. Our state-of-the-art memory technologies are crucial for the most advanced electronic devices and IT infrastructures, providing improved performance and superior user experiences across the digital realm.We invite visionary minds to join our mission of shaping the future of technology. Here at SK hynix America, you will collaborate with a team dedicated to pioneering advanced memory solutions while upholding a strong commitment to sustainability. We are not merely responding to technological advancements; we are leading them through significant investments in artificial intelligence, machine learning, and environmentally friendly practices. As we expand our market influence and redefine the boundaries of semiconductor technology, we welcome you to be a part of our journey in creating the next generation of memory solutions that will shape the future of computing.Job Summary:SK hynix America is on the lookout for a Principal Engineer to spearhead the Signal Integrity and Power Integrity (SIPI) strategy for cutting-edge advanced packaging technologies. In this role, you will be responsible for the design, analysis, and validation of next-generation advanced packaging solutions for HBM and beyond, including logic-memory integration. This position requires extensive technical expertise in high-speed interface design, collaboration with global R&D teams, and contributions to industry standards for advanced packaging.Responsibilities:Strategic Leadership: Define and manage the SIPI roadmap for advanced packaging families, ensuring alignment of technical direction with product and business objectives.Architecture & Design: Lead the development of high-performance SiP architectures (HBM, interposer, 3D stacks) and validate power delivery and signal integrity throughout the entire stack—from silicon to substrate.Methodology Development: Innovate and disseminate best-practice SIPI methodologies, including electromagnetic extraction, multi-port S-parameter modeling, and power-network analysis for complex packaging environments.Technical Ownership: Supervise the complete design flow (package definition, simulation, and validation).

Join Lumilens as a Senior/Principal Signal Integrity Engineer specializing in Silicon Photonics and AI Interconnects. In this pivotal role, you will collaborate with a talented team to innovate and develop cutting-edge solutions that enhance signal integrity in advanced photonic systems.Your expertise in high-speed digital and analog signal integrity analysis will be invaluable as you lead projects that bridge the gap between technology and application. You will be responsible for designing, modeling, and testing signal integrity for next-generation interconnects, ensuring optimal performance and reliability.

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.

Archer Aviation, headquartered in San Jose, California, is pioneering the future of air transportation with our innovative all-electric vertical takeoff and landing aircraft. Our mission is to revolutionize sustainable air mobility, providing quiet and eco-friendly travel for up to four passengers.We aspire to tackle ambitious challenges and believe that a diverse workforce is our greatest asset. We are committed to fostering an inclusive workplace that values each individual's contributions and encourages collaboration for a shared success.Responsibilities:As a Structural Design Engineer specializing in testing at Archer, your role will encompass the design of fixtures, test equipment, and instrumentation using CAD software. You will also participate in the assembly of fixtures and oversee structural testing of critical flight components. This hands-on position involves programs that range from allowable development and design validation to full-scale destructive testing, with a primary focus on validating the structural integrity of composite aircraft.Utilize knowledge of load paths, design principles, and analytical calculations to develop robust structural designs.Create and evaluate engineering drawings, outline project plans, and source necessary materials and equipment.Coordinate with suppliers to design and implement test fixtures and manage testing programs.Define and calibrate instrumentation, ensuring accurate installation on test articles.Lead small teams through testing phases to ensure timely completion of projects.Collect, analyze, and report data derived from testing activities.Design testing stands, fixtures, and data acquisition systems.Establish and enforce safety protocols and testing procedures within the structural test lab.

Join Efficient Computer as a Lead RTL Design Engineer, where you will spearhead the development of cutting-edge RTL designs for our innovative hardware products. In this pivotal role, you will collaborate with a dynamic team to deliver high-performance solutions that meet the demands of our clients.

Are you a detail-oriented Mechanical Engineer with a passion for optimizing designs for manufacturability? Join our dynamic team at Etched, where you will play a key role in enhancing our product development process. In this position, you will collaborate with cross-functional teams to ensure our designs meet manufacturability standards, ultimately driving efficiency and quality in our operations.

Archer Aviation is a pioneering aerospace firm located in San Jose, California, dedicated to revolutionizing air travel through the development of an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission focuses on enhancing the benefits of sustainable urban air mobility. We are committed to designing, manufacturing, and operating an innovative aircraft capable of transporting four passengers while minimizing environmental noise.At Archer, we aim high and tackle challenging problems, believing that a diverse workplace fosters smarter solutions, richer insights, and collective success. Our commitment to an equitable and inclusive environment allows us to celebrate the unique perspectives of all team members.Key Responsibilities:Lead the design and development of major structural airframe assemblies from initial design stages to certification and manufacturing ramp-up.Utilize a comprehensive understanding of load paths, design principles, and hand calculations to create robust structural designs.Incorporate design for manufacturing techniques to ensure cost-effective and easily fabricated designs, with preferred experience in composite sandwich construction and adhesive bonding.Establish company standards for CAD models and drawings of composite and metallic components.Collaborate closely with and mentor engineers across design, stress, and materials & processes teams.Provide technical insights on design concepts, balancing risk, cost, and performance.Assist manufacturing teams in validating and verifying that designs meet established requirements and specifications.

Archer Aviation is at the forefront of aerospace innovation, headquartered in San Jose, California. We are pioneering the development of an all-electric vertical take-off and landing aircraft designed to revolutionize urban air mobility. Our mission is to create a sustainable future with an aircraft that can comfortably transport four passengers while minimizing noise pollution.We are committed to fostering a diverse and inclusive workplace. We believe that a variety of perspectives fuels creativity and drives our success, enabling us to overcome the challenges we face. At Archer, we celebrate our differences and ensure that every team member feels valued and supported.As a Staff Design for Manufacturing Engineer, you will be pivotal in ensuring our printed circuit board assemblies (PCBAs) are optimized for manufacturability, reliability, and scalability within our groundbreaking eVTOL aircraft. You will serve as the vital link between design and production, championing manufacturing excellence to support Archer's mission in transforming urban transportation.

Join the innovative team at Western Digital as a Memory Chip Design Engineer. In this role, you will be at the forefront of designing and optimizing memory chip technologies that power the next generation of computing solutions. You will collaborate with cross-functional teams to drive product development from concept to production.Your contributions will directly impact the performance and efficiency of storage devices used worldwide. If you are passionate about technology and eager to push the boundaries of memory solutions, we want to hear from you!

archer56 is hiring a Senior Design Assurance and Quality Engineer in San Jose, California. This role centers on maintaining high quality standards throughout engineering projects, supporting the company’s focus on excellence and customer satisfaction. Key Responsibilities Carry out detailed quality assessments for products and processes Develop, implement, and sustain quality assurance procedures Work closely with teams from different functions to ensure projects align with industry standards Take the lead on initiatives that drive continuous improvement and boost product reliability Requirements Background in design assurance and quality engineering Keen attention to detail and a strong commitment to quality Ability to perform well in a fast-moving setting Experience leading quality improvement efforts and collaborating with varied teams