Electrical Engineering Intern - High Frequency Power Electronics (Fall)

Join Our Team at Marathon FusionMarathon Fusion is at the forefront of engineering technologies, transforming fusion from experimental breakthroughs into functional power plants. While the industry focuses on innovating new fusion devices, we are dedicated to practical systems that enable fusion energy to operate at a scale that is relevant to climate change.Our team crafts essential fuel cycle and plant-level technologies that support stable isotope production, fuel cycle closure, and advanced blanket systems, facilitating energy generation along with high-value co-products.Founded in 2023, we are committed to constructing the components and systems necessary for making fusion a practical, sustainable, and dependable energy source for the 21st century.Our Company CultureAt Marathon Fusion, we foster a startup culture that values focus, adaptability, and prioritization in a dynamic landscape. Success in our environment hinges on proactive communication, building trust among team members, and a continuous willingness to learn and grow professionally. We highly value self-direction in all team members.Your Role as an Electrical EngineerAs an Electrical Engineer with Marathon Fusion, you will collaborate with our R&D team, which consists of mechanical engineers, physicists, and technicians, to prototype, test, and implement solutions that enhance fusion fuel cycles. Your contributions will be crucial in developing robust power electronics for our Plasma Centrifuge and Transmutation research and development initiatives.Key ResponsibilitiesDesign and develop power electronics subsystems, including capacitor banks, battery systems, power conversion, and switching.Prototype and test printed circuit boards (PCBs) for experimental systems.Integrate power electronics into high-voltage and high-current systems at the platform level.Collaborate closely with mechanical engineers, controls engineers, physicists, and technicians to build and integrate electrical systems into experimental platforms.Conduct testing, validation, and troubleshooting of hardware in laboratory settings.Promote safe design practices for high-energy systems.QualificationsWe welcome applications from candidates with various levels of experience. Ideal candidates will possess:Proven experience in power electronics design.Strong problem-solving skills and the ability to work collaboratively in a team environment.A proactive approach to learning new technologies and methodologies.

Join Redwood Materials as a Power Electronics Intern and contribute to innovative projects that advance sustainable energy solutions. In this role, you will work alongside experienced engineers to gain hands-on experience in the field of power electronics. Your contributions will aid in the development and optimization of advanced technologies that support our mission to build a circular economy.

About Redwood MaterialsAt Redwood, we are pioneering a sustainable battery supply chain that integrates recovery, reuse, and recycling, effectively keeping critical minerals in circulation and accelerating the energy transition. Established in 2017, we are committed to delivering low-cost, large-scale energy storage solutions and producing battery materials in the U.S. for the first time, all sourced from existing batteries. Power Electronics Engineer, Energy Storage Key Responsibilities:As an integral member of our product design team, you will engage in the detailed design, prototyping, and high-volume production launch of cutting-edge power converters that are efficient, cost-effective, and highly manufacturable.With expertise in high voltage (up to ~1,000 – 2,000VDC and 480VAC) and high power (~10 – 200kW) power converters, you will quantitatively assess and select topologies, control algorithms, semiconductors, and magnetics while adhering to engineering constraints such as efficiency, cost, reliability, and simplicity. Your understanding of both hard- and soft-switched topologies will be essential.

Senior Electrical Engineer, Power Electronics South San Francisco, CA | Ground Systems | Full Time Are you ready to make a significant impact on the world? Zipline is on a mission to revolutionize the logistics of delivery. We’re dedicated to addressing the world’s most pressing access challenges by developing the first instantaneous delivery system that treats all humans equally, no matter their location. From facilitating the national blood delivery network in Rwanda and distributing COVID-19 vaccines in Ghana, to providing on-demand home delivery for Walmart, and enabling healthcare providers to bring services directly to homes across the U.S., we’re reshaping the landscape of logistics for businesses, governments, and consumers alike. Our technology is sophisticated, but the concept is straightforward: a teleportation service that delivers what you need, when you need it. Through our robotics and autonomy platforms, we aim to decarbonize delivery, alleviate road congestion, and enhance access to essential goods globally. About the Role Zipline is in search of a seasoned electrical engineer to spearhead the design and development of high-performance power electronics systems supporting our drone charging and docking infrastructure. As a member of our Ground Systems team, you will be instrumental in managing all ground-based infrastructures that facilitate our autonomous delivery drones, including automatic docking, battery charging, thermal management, ground communication, and preflight checks. This position is key to advancing our next generation of drone logistics by addressing intricate challenges in power distribution, conversion, battery charging, high-performance microprocessor integration, high-speed network communication, and overall system integration. Your extensive technical expertise in power electronics will play a crucial role in shaping Zipline’s global infrastructure as we expand. Additionally, you will collaborate closely with cross-functional engineering teams to oversee the electrical system development from concept to production. This hands-on engineering position is ideal for candidates who aspire to push the boundaries of hardware in practical applications.

Join our dynamic team as an Electrical Engineer specializing in Power and High-Voltage Systems!As a key contributor, you will:Design innovative high-voltage DC/DC converters, diode drivers, rectifiers, inverters, and complex power distribution/control circuits.Utilize advanced electrical simulations with SPICE or MATLAB/Simulink to enhance efficiency and reliability.Develop cutting-edge embedded and mixed-signal electronics, integrating microcontrollers and FPGAs for telemetry, protection, and fault management.Design and validate battery management systems and rapid-discharge power solutions, ensuring robust thermal management.Engineer durable wire harnesses and select high-performance connectors/cabling suitable for high-power environments.Lead hands-on prototyping, testing, and environmental/vibration/shock assessments.Conduct DFM reviews and work closely with suppliers to guarantee manufacturability and quality.Create comprehensive schematics, BOMs, and wiring documentation, ensuring compliance with safety and export regulations.Collaborate with mechanical, optical, and controls teams to achieve full system integration.

Astranis is at the forefront of satellite technology, crafting innovative satellites for high orbits, thereby broadening humanity's exploration of the solar system. Our cutting-edge satellites deliver dedicated, secure networks to a diverse clientele, including large enterprises, sovereign governments, and the U.S. military. With five satellites currently in orbit and numerous launches on the horizon, we are addressing a commercial contracts backlog exceeding $1 billion.As the go-to partner in satellite communications, Astranis is dedicated to fulfilling the stringent requirements of our clients regarding uptime, data security, network visibility, and customization. Backed by over $750 million in funding from top-tier investors, including Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 engineers and entrepreneurs thrives in our 153,000 sq. ft. headquarters located in Northern California, USA.Power Electronics Team LeadIn your pivotal role as the Team Lead for the Power Electronics Engineering Team, you will spearhead the development and leadership of a talented group of Power Electronics engineers. Your support will be key in pushing the limits of what is achievable in geo-synchronous spacecraft design, enabling unprecedented performance in space.

About the TeamFounded in 2018, DoorDash Labs is the innovation engine of DoorDash, dedicated to pioneering automation and robotics solutions that enhance last-mile logistics. Our mission is to develop technologies that empower human networks, driving efficiency for Dashers, merchants, and consumers. With a focus on impactful business solutions, our highly experienced team is composed of industry leaders from various robotics fields. As we look towards the future, we aim to improve upon our achievement of 10 billion deliveries by 2025.About the RoleWe are looking for a Senior Electrical Engineer to join our dynamic, multidisciplinary team, specializing in the creation of production-grade electrical systems for consumer and enterprise hardware platforms, including tablets, POS systems, peripherals, and connected devices.This role requires a robust background in mixed-signal board design, power systems, wireless integration, and high-volume product development. The ideal candidate is passionate about designing and delivering reliable hardware at scale, thriving in an environment that demands technical expertise and high-quality execution across multiple concurrent projects.You’re excited about this opportunity because you will…Architect and implement electrical subsystems, including:Power systems: battery management, charging, DC/DC converters, power distribution, and protection.Digital and mixed-signal board design: application processors, MCUs, high-speed interfaces (USB, PCIe, MIPI, etc.), memory, and sensor integration.Wireless systems: WiFi, BLE, LTE, antennas, and EMI/EMC-conscious layout and integration.Peripheral and display integration: touch interfaces, display subsystems, and external connectivity.Key ResponsibilitiesOwn the full lifecycle of electrical hardware from concept through schematic capture, layout review, bring-up, validation, certification, and production.

About Redwood MaterialsRedwood is pioneering a localized battery supply chain that integrates recovery, reuse, and recycling—ensuring critical minerals remain in circulation and facilitating the energy transition. Established in 2017, we are at the forefront of delivering affordable, large-scale energy storage while producing battery materials in the U.S. for the first time, utilizing batteries we already possess. The Redwood Vision: Modernizing the GridEnvision being at the forefront of a significant industrial transformation. Just as the electric vehicle revolution redefined automobiles as software-driven entities, Redwood Materials is revolutionizing the global energy grid. We go beyond merely managing batteries; we are constructing the "nervous system" for a sustainable energy economy.Our R&D team in San Francisco is spearheading the shift from outdated, hardware-centric infrastructures to agile, software-driven ecosystems. We are demonstrating that a sustainable, 100% renewable grid is not just a goal—it’s a technical reality fueled by advanced control intelligence. We seek the "architects of the electron" to help us phase out fossil-fuel peaker plants.Position: Senior Power Electronics Controls EngineerIn this role, you will spearhead the design and implementation of the intelligent control systems for our cutting-edge Battery Energy Storage Systems (BESS) and mixed-asset energy sites. You will oversee the entire lifecycle of our control systems—from initial conceptualization and advanced modeling to assessing real-world grid impacts. Your contributions will ensure that both recycled and new battery assets work in unison to stabilize the grid and maximize high-power conversion at an industrial scale.

About Us:Aurelius Systems is an innovative, VC-backed defense technology startup focused on developing autonomous, edge-deployed robotics systems utilizing directed energy for counter-unmanned aerial systems (UAS).Our mission is to create laser weapon systems capable of neutralizing drones effectively.With a compact team of around ten engineers, ex-US military personnel, and subject matter experts, we are at the forefront of advancing America's capabilities in directed energy. Our aim is to deliver the first cost-effective, reliable, and robust laser weapon system.Inspired by the principles of Marcus Aurelius, we embrace a culture of relentless effort, with a commitment to delivering exceptional results without excuses. We operate in a flexible environment, leveraging our San Francisco lab and office, alongside our Detroit manufacturing hub, and conduct weekly field tests on our expansive 400-acre private range.If you're an engineer who prefers to witness your work in action rather than confined to a lab, we invite you to continue reading.The Opportunity:As the Power Electronics Engineer, you will lead the development of the power subsystem for our directed energy weapon systems.Your role entails being the technical lead on all aspects ranging from battery pack architecture to laser diode integration. You will not merely implement existing designs; instead, you will define the architecture, make critical decisions, and take ownership of your system during range tests.You will collaborate closely with the electrical engineer on the team, focusing on a depth of knowledge rather than breadth. Your responsibilities will include battery management system (BMS) architecture, high-voltage conversion, fault protection, and power delivery under various field conditions. When a power system issue arises during a range test, you will be the go-to expert, identifying the problem and implementing a solution promptly.Your Responsibilities:Design, develop, and validate battery management systems for high-voltage battery packs, ensuring safe charge/discharge cycles, cell balancing, thermal management, and fault protection.Engineer high-voltage DC/DC converters, rectifiers, inverters, and diode driver electronics for optimal laser power delivery.Create robust wire harnesses for high-power laser and motor systems, focusing on connector selection, routing, shielding, and environmental resilience.Engage in hands-on prototyping, assembly, and testing on our expansive range.Conduct rigorous electrical, environmental, vibration, shock, and robustness testing to ensure system reliability.

About TacitTacit is an innovative, early-stage deep tech startup located in San Francisco, focused on developing groundbreaking hardware to redefine human-computer interactions. With support from prominent investors such as General Catalyst, Khosla Ventures, and Greylock Partners, our founding team brings expertise from renowned institutions including Stanford, BrainGate, Oculus, and Tesla. While we are not ready to disclose our projects fully, we are committed to solving complex engineering challenges to launch revolutionary products.Position OverviewWe are seeking a talented Senior Electrical Engineer to lead the architecture, design, and deployment of next-generation neurotechnology hardware products. As a pivotal member of our expanding hardware team, you will take ownership of significant components of our electrical systems from initial design stages to mass production, playing a crucial role in the realization of sophisticated consumer electronics.Key ResponsibilitiesElectrical System Design & DevelopmentLead the electrical architecture and board-level design for mixed-signal consumer hardware systems from concept to production.Oversee schematic design and guide the development process through EVT, DVT, PVT, and mass production stages.Define system partitioning, interfaces, and component selection across computing, sensors, connectivity, and power subsystems.Conduct rigorous design reviews and establish robust electrical design and manufacturing standards.Collaborate closely with mechanical, firmware, and software teams to enhance performance, size, thermal behavior, and reliability.Effectively navigate a startup environment where engineers manage substantial parts of the hardware stack.High-Speed and High-Density Hardware DesignDesign high-density, multi-layer PCBAs employing HDI techniques, fine-pitch BGAs, and controlled-impedance routing.Implement high-speed digital interfaces such as USB, Quad-SPI, MIPI, CSI/DSI, DDR, or similar buses.Create analog and mixed-signal circuits, including amplifiers, filters, sensor interfaces, and ADC/DAC connections.Optimize PCB layout for signal integrity, power integrity, and low-noise performance.Power Electronics & Battery SystemsDesign and implement power electronics and battery management systems for our devices.Ensure compliance with safety and regulatory standards while optimizing performance and efficiency.

Astranis is at the forefront of satellite innovation, designing and building advanced satellites for high orbits that expand humanity’s reach into the solar system. Our satellites deliver dedicated, secure networks to sophisticated clients globally, including large enterprises, sovereign governments, and the US military. With five satellites currently in orbit and many more set to launch, we are committed to fulfilling over $1 billion in commercial contracts.Astranis is the trusted partner for satellite communications, meeting the stringent demands for uptime, data security, network visibility, and customization. Having secured over $750 million from renowned investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team consists of 450 talented engineers and entrepreneurs based in a state-of-the-art 153,000 sq. ft. headquarters in Northern California, USA.Senior Electronics Component EngineerAs a Senior Electronics Component Engineer at Astranis, you will be instrumental in selecting high-quality, reliable, and sourceable EEE parts and components for our satellite systems. This role demands a thorough understanding of part construction, the ability to identify potential quality and reliability risks, and the expertise to define and implement essential screening tests to mitigate these risks efficiently.Role ResponsibilitiesAnalyze part construction to uncover quality and reliability risks, ensuring all components meet mission-critical standards.Collaborate closely with design engineers to facilitate component selection during the design phase, ensuring compliance with Astranis’s rigorous standards.Plan, execute, and oversee component-level screening and qualification testing.Review bills of materials for new designs to confirm the use of approved flight parts.Manage component supplier part change notifications and initiate appropriate responses to supplier PCNs.Conduct tear-downs on critical components to evaluate part quality and reliability.Work with supply chain, design, and manufacturing teams to resolve component-related sourcing challenges.Maintain the Astranis approved parts list in PLM to ensure accurate information is available to engineering and manufacturing teams.

Join our dynamic team at plaud as an Electronic Engineer. In this role, you will be responsible for designing, developing, and testing electronic systems and components. Your innovative solutions will help drive our projects forward, ensuring we remain at the forefront of technology.

Astranis is at the forefront of developing cutting-edge satellites for high orbits, paving the way for humanity's exploration of the solar system. Our satellites currently deliver dedicated, secure networks to sophisticated clients around the world, including large corporations, government entities, and the U.S. military. With five satellites already in orbit and numerous launches planned, we are addressing a robust backlog of over $1 billion in commercial contracts.Astranis stands as the trusted satellite communications partner for those who demand high standards in uptime, data security, network visibility, and customization. Having secured over $750 million in funding from top-tier investors like Andreessen Horowitz, Blackrock, and Fidelity, we proudly employ a team of 450 skilled engineers and entrepreneurs. Our operations are based out of a state-of-the-art 153,000 sq. ft. headquarters in Northern California, USA.Electronics Engineering ManagerAs the Electronics Engineering Manager, you will lead and inspire a team of skilled electronics engineers. Your leadership will be crucial in defining the future of our satellite technology, pushing the limits of innovation, and delivering unparalleled performance that redefines industry benchmarks.Role ResponsibilitiesDirectly manage, mentor, and grow a diverse team of junior and senior electronics engineers.Collaborate with a multidisciplinary team to design and architect our next-generation electronic systems.Oversee the lifecycle of electronic hardware from design and development to implementation and verification.Create and manage a detailed project schedule to ensure hardware development aligns with program timelines.Drive the design process, including specifications, component selection, circuit board design, and system-level integration.Lead hands-on debugging, board bring-up, and system validation processes.Participate in recruiting, interviewing, and onboarding new talent to support our rapid expansion.Provide expert support to production and operations teams for the effective deployment and utilization of our hardware.Encourage a culture of innovation and excellence within the team.

Why Join GigaThe Pace: We operate at a speed that most companies only talk about. If you've been feeling stagnant in your previous role, you'll find excitement here.The Impact: Every individual at Giga contributes to meaningful work. With no bureaucratic delays, your contributions will be visible in our outputs.The Team: Join a team of top-tier professionals shaping the future of AI infrastructure. We attract high performers from the most innovative companies, drawn by the significance of our work.The Moment: AI requires power, and that's where we come in. Giga is the backbone of the AI revolution. This industry is on the verge of massive growth, and you'll be at the forefront of it.What You'll DoAt Giga, our mission is to design and manufacture data centers that support the rapid growth of AI. We are moving beyond conventional construction methods to a product-centric approach, creating and mass-producing high-performance infrastructure that meets the surging demand for computational power. As the Lead Electrical Engineer, you will be responsible for shaping the power architecture and electrical framework of these cutting-edge facilities.This is a unique chance to establish the electrical foundation of a fast-growing infrastructure company. Rather than managing just one 50 MW project, you will develop the Plan of Record (POR) for Giga Data Centers, a standardized, manufactured product that will be implemented globally.You will set the benchmark for high-density AI power delivery, designing medium and low voltage distribution systems, backup generation, and UPS solutions that can accommodate the most demanding computational tasks worldwide. The AI boom is the defining industrial challenge of our time, and you will construct the engine that drives it. Your designs will be rapidly manufactured and deployed, making a tangible impact across numerous facilities.Where You'll WorkIf you are located outside our Houston, Long Beach, Reno, or San Francisco offices, this position will be performed remotely from your home office. However, you must be willing to travel as necessary to our job sites and one of our hub locations.ResponsibilitiesDevelop and manage the electrical Plan of Record for Giga Data Centers, establishing the

Join Our Innovative Team at Atomic SemiAt Atomic Semi, we are pioneering the future of semiconductor manufacturing with our state-of-the-art, compact fabrication facilities.Our approach leverages current technologies and innovative simplifications, enabling us to create our own tools for rapid iteration and enhancement.We are assembling a select group of exceptional engineers—mechanical, electrical, hardware, computer, and process specialists—who will take ownership of the entire stack from atomic structures to architectural designs. Our optimistic team is dedicated to advancing technology boundaries.We believe that smaller, faster, and self-built solutions are the key to success.Our facility is equipped with 3D printers, a variety of microscopes, e-beam writers, and general fabrication equipment. If there’s something we need, we’ll innovate to create it.Founded by Sam Zeloof and Jim Keller, our team combines practical chip-making experience with decades of industry leadership.Role OverviewAs an Electronic Hardware Design Engineer, you will collaborate with a talented team to design cutting-edge lithography systems, deposition tools, vacuum chambers, and high-precision motion control systems. You will tackle challenges, prototype innovative solutions, and bring your designs to production, contributing to transformative advancements in integrated circuit manufacturing.Your projects may involve high-voltage low-noise converters, motor drivers, attofarad sensors, and millikelvin temperature controllers—all in a single initiative.

Join Gridware as a Senior Electrical Research Engineer, where you'll play a pivotal role in advancing innovative electrical solutions. We are looking for an expert who is passionate about research and development in electrical engineering. In this role, you'll collaborate with a dynamic team to design, analyze, and optimize electrical systems that will drive our technology forward.

Join our innovative team at Gridware as an Electrical Research Engineer, where you will play a crucial role in advancing our cutting-edge technology. In this position, you will be responsible for conducting research, developing new electrical systems, and optimizing current technologies to enhance our product offerings.

Join Syska Hennessy Group and bring your engineering expertise to life through iconic projects across the globe. As a premier consulting, engineering, and commissioning firm, we excel in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning services.We are currently looking for an Senior Supervising Electrical Engineer to enhance our team in San Francisco, CA or Sacramento, CA. In this pivotal role, you will represent the firm in all client interactions, coordinating with contractors, architects, and project teams. Your leadership will guide the supervision, coordination, and assignment of various engineering projects.Our vibrant work environment fosters career advancement, supported by a diverse workforce, competitive compensation, and a flexible work schedule, including Monday through Thursday in the office for 9 hours and Fridays for 4 hours remotely. Participate in engaging social events and enjoy a fulfilling, challenging career with us.

About Atomic SemiAtomic Semi is at the forefront of semiconductor innovation, creating a compact and agile semiconductor fabrication facility.Leveraging current technologies and simplifying processes, we are dedicated to building our own tools to facilitate rapid iterations and enhancements.Our team comprises exceptional hands-on engineers with diverse expertise in mechanical, electrical, hardware, computer, and process engineering. Together, we aim to redefine the technology landscape from atoms to architecture.We are driven by the belief that smaller, faster, and self-built solutions are superior.Our lab is equipped with advanced 3D printers, various microscopes, e-beam writers, and general fabrication tools - and we are always ready to invent what's missing.Founded by Sam Zeloof and Jim Keller, Atomic Semi combines a passion for innovation with decades of industry experience.About the RoleWe are seeking motivated Electrical Engineering Interns for the upcoming fall term, commencing in September, with an ideal commitment of 4 to 8 months. As we reconstruct the chip fabrication process, you will engage in groundbreaking work.You will collaborate with fellow engineers to design and improve lithography systems, deposition tools, vacuum chambers, precision motion controls, plasma etching systems, and related technologies. Your responsibilities will include problem identification, prototyping solutions, and productionizing your innovations to transform IC manufacturing.Our approach emphasizes building and testing within days or weeks rather than months. To apply, please submit a portfolio showcasing your tangible projects. If you have successfully delivered a medium-to-high complexity system through a personal project or prior internship, you will thrive in our environment.