Research and Development Engineer I

Position OverviewAs a Research and Development Engineer I at Penumbra, Inc., you will play a pivotal role in the engineering, design, and development of innovative products and enhancements to existing offerings. Your responsibilities will include conducting rigorous testing, implementing engineering modifications, and meticulously documenting changes. You w…

Empowering the Future with Rare-Earth MetalsAt Solcoa, we are dedicated to securing the supply chain for western rare-earth metals, which are crucial for powering advanced technologies such as fighter jets, electric vehicles, wind turbines, smartphones, and generators. As one of the few companies outside of China engaged in the production of rare-earth metals, we take pride in being the exclusive provider of a 100% U.S. supply of both light and heavy rare earths. Our innovative, carbon-zero processes transform end-of-life magnets directly into metal, enhancing energy independence and safeguarding one of the world’s most essential resources.Join our agile, well-funded team as we rapidly expand Western rare-earth production and build a world-class workforce to address this critical challenge.Position Overview — Research EngineerAs a Research Engineer, you will spearhead complex, first-principles research and development initiatives that enable large-scale rare-earth metal production. Your responsibilities will include designing and conducting high-temperature experiments, constructing and managing custom experimental rigs, interpreting data to extract key mechanisms, and translating laboratory innovations into reproducible processes for our demonstration plant. This position is highly technical and experimental in nature.Key ResponsibilitiesPyrometallurgical Research: Engage in calcination, vacuum/steam distillation, carbothermic/metallothermic reduction, smelting, and refining processes.High-Temperature Electrochemistry: Work on molten-salt/molten-oxide electrolysis, cell design, and optimizing anode/cathode materials for current efficiency.Nuclear Engineering Research: Explore molten-salt chemistries, materials compatibility, graphite/refractory behaviors, and high-temperature gas-cooled systems.Metal Processing Engineering: Handle molten metal processing, casting, and powder metallurgy techniques including atomization, pressing, and sintering.What You'll AchieveConduct bench and pilot experiments to evaluate kinetics, transport phenomena, and equilibria.Develop and manage furnace systems under vacuum or inert atmospheres, along with retorts and crucibles.Create and validate process flow diagrams; compute mass and energy balances; define operational parameters.Utilize thermochemical modeling tools (CALPHAD/Thermo-Calc/FactSage/HSC) and phase diagrams to optimize experimental conditions and materials.Analyze feed and product characteristics with techniques such as ICP-MS/OES, XRD, SEM/EDS, LECO O/N/H; ensure accurate element balances.Produce comprehensive documentation: SOPs, test plans, hazard analyses, and data packages; confidently present findings with statistical validation.Collaborate with machinists and technicians to fabricate experimental fixtures; specify necessary sensors, heaters, seals, and vacuum equipment.

Role Overview The Manufacturing Engineer I – Electronics Development at Penumbra Inc. plays a hands-on role in advancing manufacturing technology and supporting the launch and improvement of new products. Based in Alameda, CA, this position works closely with multiple engineering teams to troubleshoot production challenges and implement solutions that improve manufacturing processes and quality systems. The role offers the chance to build technical skills while contributing to projects that impact Penumbra’s global operations. What You Will Do Identify and resolve production issues using creative problem-solving methods. Conduct thorough root cause analyses and recommend effective solutions. Collaborate with various departments to communicate issues and share solutions. Maintain a detail-oriented approach to troubleshooting and documentation. Support day-to-day production activities, including creating and updating product and process documentation. Monitor equipment and process performance, and initiate improvement activities to boost yield, efficiency, and throughput. Design production fixtures, source tools and equipment, and implement new fixturing on the line, including equipment qualification. Test processes, equipment, raw materials, and finished products; conduct process validations; write testing protocols; and compile reports with findings and recommendations. Plan, schedule, and coordinate detailed phases of engineering work as part of a team or independently. Develop specifications for products, processes, or equipment. Apply statistical methods and engineering knowledge to develop, characterize, and optimize manufacturing processes. Work with suppliers and external partners to develop and implement process improvement plans. Participate in project planning and scheduling activities. Train assemblers, quality control staff, and technicians on processes, equipment, and documentation as needed. Follow Penumbra’s Quality Management System (QMS) and comply with domestic and international quality standards and regulations. Understand and adhere to relevant security, privacy, and compliance regulations applicable to the company.

Empowering the Future with Rare Earth MetalsAt Solcoa, our mission is to ensure a stable supply chain of western rare-earth metals that are essential for modern technology—ranging from fighter jets and electric vehicles to wind turbines and smartphones. As one of the few companies outside of China engaged in the production of rare-earth metals, we stand out as the only provider delivering a fully U.S. sourced supply of both light and heavy rare earths. Our innovative carbon-zero process efficiently transforms end-of-life magnets into usable metal, thereby advancing energy independence and securing vital global resources.We are a dynamic and well-funded team committed to rapidly increasing the production of rare-earth metals in the West. Join us as we build a top-tier engineering team dedicated to addressing this critical challenge.Your Role as an R&D TechnicianWe are seeking a proactive R&D Technician to manage, enhance, and run our rare-earth metal production line. Your responsibilities will include operating high-temperature and vacuum reactor systems, constructing and assembling components, executing test plans, and ensuring that our plant operates smoothly and safely. You will collaborate closely with engineers and machinists to transform innovative concepts into efficient, repeatable processes.

Join Penumbrainc as a Quality Engineer I and play a vital role in ensuring the excellence of our products. In this entry-level position, you will be responsible for performing quality assurance tasks, collaborating with cross-functional teams, and contributing to the development of innovative solutions. If you are passionate about quality and eager to start your career in engineering, we want to hear from you!

General OverviewAs a Quality Engineer I at Penumbra, you will be instrumental in ensuring the excellence of our groundbreaking medical devices designed to combat some of the most challenging health conditions globally. Unlike traditional quality engineering roles, our environment presents you with complex technical challenges. Your contributions will significantly influence the safety and well-being of patients worldwide who rely on our innovations. You will harness your creative problem-solving skills throughout all phases, from initial concept through commercialization and ongoing enhancements.Your Responsibilities• Contribute valuable insights to the design control process and assist in the development and launch of new products.• Utilize your expertise in Penumbra’s Quality Management System to support manufacturing operations, supplier quality, and new product development.• Identify and lead initiatives for process optimization, yield enhancement, and cycle time reduction.• Investigate and resolve root causes of in-process quality assurance issues.• Collaborate on production lines that manufacture high-performance products.• Comply with the Company’s Quality Management System (QMS), along with domestic and international quality regulations, standards, and procedures.• Ensure adherence to QMS and regulations by department members.• Engage in additional activities that require familiarity with principles and techniques relevant to specific project areas.What You Bring• A minimum of 1 year of experience in a manufacturing or laboratory setting is strongly preferred.• Demonstrated ability to excel in a dynamic, fast-paced environment where ambiguity is embraced.• A Bachelor’s or Master’s degree in engineering or a scientific discipline is required.• Exceptional written and verbal communication skills are essential.• A strong enthusiasm for collaboration in a feedback-rich team culture is preferred.Working Environment• Office, laboratory, and cleanroom settings.• Possible exposure to blood-borne pathogens.• Physical requirements include lifting and moving items up to 25 pounds.• Ability to navigate between buildings and floors is necessary.• Must remain stationary and utilize computer or standard office equipment for extended periods.• Must be capable of reading, drafting emails, and creating documents and spreadsheets.• Ability to move within the office and access supplies as necessary.• Must effectively communicate and exchange accurate information with colleagues at all levels daily.Location and Compensation• Alameda, CA• Salary range: $80,000 to $105,000

Silana Nanotechnologies seeks a Materials Development Engineer based in Alameda, CA. This position centers on the design, development, and refinement of advanced materials used in next-generation technology products. What you will do Design and develop new materials to meet performance goals for future products Refine existing materials to enhance their properties and reliability Collaborate with cross-disciplinary teams to support new product initiatives Collaboration Work closely with engineers and specialists from various backgrounds to drive improvements in material performance and ensure alignment with product development goals.

Renasant Bio is dedicated to developing new therapies for patients with kidney disease, with a particular focus on ADPKD. The team values scientific rigor, creative problem-solving, and collaboration. Employees work together with transparency and adaptability, aiming for meaningful progress and high standards in every project. The company operates from Bakar Labs in Berkeley, CA, and receives additional support from Cambridge, MA. All efforts are directed toward advancing treatments that could improve patient outcomes. Role overview This is a year-long contract position for a Research Associate specializing in in vivo research and preclinical drug discovery. The work centers on studies related to kidney disease, using rodent models to support ongoing research efforts. What you will do Assist with in vivo research projects focused on kidney disease Manage rodent animal colonies, including routine care and monitoring Support daily laboratory operations as needed Location This position is based in Alameda, CA.

E11 Bio is dedicated to pioneering connectomics at a whole brain scale for humans and various mammals. We are a dynamic and collaborative group of scientists and engineers committed to an ambitious neuroscience initiative aimed at developing a groundbreaking technology platform for scalable mammalian brain mapping. As a non-profit research organization under Convergent Research, located in Alameda, California, we strive for innovative neuroscience solutions while maintaining the agility of a tight-knit startup. Explore our technology roadmap.High-quality tissue samples are crucial to our scientific endeavors. We are currently on the lookout for a skilled in vivo Senior Research Associate to take charge of our animal perfusions and in vivo workflows. This position involves executing and refining perfusion, fixation, and injection protocols, as well as preparing perfusates and actively troubleshooting tissue-quality issues. Collaborating closely with experimental scientists, the selected candidate will design, implement, and troubleshoot in vivo labeling experiments, playing a vital role in ensuring the reliability and reproducibility of tissue used in our mission to map the mouse brain.

OverviewThe Manufacturing Engineering team is pivotal in introducing advanced manufacturing technologies and sustainable practices that facilitate the launch of innovative products and enhance production efficiency. This role offers a unique opportunity to cultivate professional skills while contributing to projects of significant global impact, essential for our organization's success. You will collaborate closely with production and cross-departmental engineering teams to address challenges that arise on the production floor and throughout the organization.Key Responsibilities•Identify and solve production challenges by implementing creative solutions. *•Conduct thorough root cause analyses and propose validated solutions. *•Effectively communicate and clarify issues and solutions across various departments. *•Maintain a meticulous approach to problem-solving. *•Support production by creating and updating product and process documentation; track equipment performance and implement improvements to enhance yield, efficiency, and throughput. *•Design fixtures, procure off-the-shelf tooling and equipment, and introduce new fixturing on the production line while conducting equipment qualifications. *•Test processes, equipment, raw materials, and products; perform process validations, author testing protocols, and document findings with recommendations based on results. *•Plan, schedule, and oversee detailed phases of engineering projects. *•Develop specifications for products, processes, or equipment. *•Utilize statistical techniques and engineering expertise to develop, characterize, and optimize processes. *•Collaborate with suppliers and external resources to enhance process improvement initiatives. *•Engage in project planning and scheduling. *•Provide training to assemblers, quality control personnel, and technicians on processes, equipment, and documentation. *•Comply with the Company’s Quality Management System (QMS) and relevant quality regulations and standards. *•Understand and adhere to applicable security, privacy, and compliance principles. *

Join our dynamic team at Penumbra Inc., where we are committed to advancing healthcare through innovative solutions. As a Quality Assurance Engineering Specialist I, you will play a crucial role in ensuring the highest quality standards are met throughout our product development lifecycle. Your attention to detail and analytical skills will contribute to our mission of improving patient outcomes.

Join our innovative team at Silana Microelectronics as a Senior Applications Engineer in Concept Development. In this role, you will be at the forefront of developing cutting-edge applications and solutions that drive our technology initiatives. Your expertise will play a crucial role in collaborating with cross-functional teams to translate complex concepts into practical applications, ensuring our products meet market needs and exceed customer expectations.

Join Jitterbit, a leading integration platform, as a Senior Software Engineer. In this pivotal role, you'll design, develop, and implement innovative software solutions that enhance our integration capabilities. Collaborate with cross-functional teams to deliver high-quality products that meet and exceed customer expectations. Your expertise will drive the evolution of our technology stack and contribute to our mission of simplifying integration for businesses worldwide.

About PykaAt Pyka, we are dedicated to revolutionizing transportation with safe, sustainable, and cost-effective autonomous electric aviation solutions.Our innovative approach enables us to apply cutting-edge technology across diverse industries that can benefit from autonomous electric aircraft, starting with the most critical and hazardous tasks. We are committed to developing groundbreaking products at scale that enhance safety, reliability, and the performance of our autonomy engine and electric propulsion systems.Our ecosystem includes proprietary flight control software, advanced avionics, high-density motors, motor controllers, batteries, and custom carbon-fiber composite airframes.Currently, we provide autonomous electric aircraft for cargo transportation and agricultural crop protection, serving clients across four continents and achieving industry-first regulatory approvals from the FAA. Our cargo solutions enhance connectivity and expedite delivery networks, facilitating the rapid and reliable transport of essential goods. Our aircraft for crop protection empowers farmers with safer, more precise aerial application methods, significantly reducing environmental impact. Both aircraft are designed for cost-efficiency and ease of deployment while contributing to a decrease in CO2 emissions.Your contributions at Pyka will enhance lives today and propel the future of electric aviation forward.Role OverviewWe are seeking a talented Senior Software Engineer to join our expert team focused on the full stack of aviation robotics. You will tackle a variety of technical challenges in planning, mapping, object detection, simulation, controls, and more. This role involves scoping, planning, and implementing large-scale features for our autonomous aircraft and its ground infrastructure. Ideal candidates will have proven experience in solving complex, high-level problems and a successful track record of delivering impactful results. As a senior member of our engineering team, you will also have opportunities for technical leadership and mentorship.

THE COMPANYSaildrone is a pioneering maritime defense company and the worldwide leader in autonomous unmanned surface vehicles (USVs). With unmatched ocean operational experience, Saildrone operates combat-deployed systems that support national security and military presence globally, 24/7/365.Our headquarters for manufacturing and R&D are based in Alameda, CA, with business development and sales in Washington, DC, and deployment hubs across Europe and the Middle East. By merging advanced autonomous operations, edge computing, cutting-edge sensing technology, and renewable power, Saildrone is redefining the operational capabilities of the Navy of the future. Become part of a dynamic, mission-oriented team that operates at the cutting edge of maritime security and autonomous technology.THE POSITIONSaildrone is looking for a Technical Lead Manager for our Build Systems Engineering team. In this role, you will report to the Director of Software and be tasked with designing, implementing, and maintaining our software build systems using Bazel. Your goal will be to ensure reliable and efficient build processes for our software projects. Collaborating closely with development teams, DevOps engineers, and various stakeholders, you will optimize our build systems to accelerate the software development and release cycles. This position will involve a combination of hands-on development and leadership responsibilities, overseeing a small engineering team (1-2 individual contributors) to successfully execute a roadmap that aligns with broader software teams and business goals.This role requires you to be onsite in Alameda, CA, three days a week as part of our hybrid model. Remote work is not an option.THE TEAMThe Software Infrastructure & Platform Engineering team is responsible for the systems and tools that enable Saildrone's software teams to build, test, and deploy reliable software at scale. Our focus is on creating robust build and release pipelines that support autonomous systems operating in challenging and high-stakes maritime environments. The work of this team directly influences Saildrone's ability to provide real-time intelligence, maritime domain awareness, and critical capabilities for both government and commercial clients.

About PykaAt Pyka, we are dedicated to revolutionizing transportation through autonomous electric aviation, creating a safer, cleaner, and more cost-effective means of transport.Our innovative approach targets industries where autonomous electric aircraft can make a significant impact, focusing first on the most critical and hazardous sectors. We are committed to developing groundbreaking products that are manufactured at scale, while continuously enhancing the safety, reliability, and performance of our autonomy engine and electric propulsion systems.Our technology ecosystem encompasses proprietary flight control software, advanced avionics, high power density motors, sophisticated motor controllers, batteries, and custom carbon-fiber composite airframes.Currently, we provide autonomous electric aircraft for cargo transport and crop protection to customers across four continents, having achieved industry-leading regulatory approvals from the FAA. Our cargo aircraft enhance connectivity and expedite delivery networks, ensuring swift shipment of essential supplies. Additionally, our crop protection solutions empower agricultural service providers with autonomous tools that promote safer, more accurate aerial applications while minimizing environmental impact. Both aircraft are designed for economic efficiency and ease of deployment, significantly reducing CO2 emissions in their respective fields.The work you do at Pyka will profoundly improve lives today while propelling us toward the future of electric aviation.Role OverviewWe are seeking a Senior Embedded Software Engineer who possesses a strong technical curiosity and a fervor for developing the low-level systems that drive autonomous aircraft. In this pivotal role, you will design and maintain the embedded software for our flight computers, auxiliary hardware, and hardware-in-the-loop (HIL) testing systems—critical components that ensure the safe and reliable operation of our aircraft in real-world scenarios. Collaboration with electrical, avionics, systems, and flight control engineers will be essential as you bring new hardware online, develop robust firmware architectures, and enhance our automated HIL testing capabilities. If your experience includes building embedded systems for robotics, vehicles, or similar real-time applications, you will thrive in contributing to the foundational technology that underpins all Pyka aircraft.

About UsAt Sila, we are pioneering the future of battery materials with a vision to facilitate the world's transition to clean energy. Our innovative approach focuses on creating advanced lithium-ion batteries that are not only more efficient but also smaller and lighter. By enhancing the energy density of batteries, we are driving innovation in consumer electronics and accelerating the shift to electric vehicles, aiming to reduce reliance on fossil fuels. Join us in tackling one of the most pressing challenges of our time and help redefine what’s possible.Who You AreAs a Staff Scientist within our Analytics Team, you are a dynamic and hands-on analytical expert with a strong background in developing and validating analytical methods across various instrumentation. Your passion for analytical chemistry, material characterization, and process control drives your success. You approach complex technical challenges with curiosity and tenacity, maintaining high standards. Your resourcefulness and independence allow you to juggle multiple projects while delivering timely results in a fast-paced and evolving environment. You thrive as a collaborative team member, open to both giving and receiving constructive feedback.Responsibilities and DutiesIn this role, you will independently scope, plan, and execute intricate analytical development projects involving multiple stakeholders to enhance Sila’s measurement capabilities for both R&D and QC. Specifically, you will:Identify and propose solutions that effectively meet business and technical needs, ensuring alignment across functions with engineers and management.Evaluate, select, procure, and install necessary analytical instrumentation.Establish best practices in sample preparation, instrumental analysis, data analysis, and result reporting.Draft Standard Operating Procedures (SOPs), train team members, and conduct thorough Measurement System Analyses (MSA).Prepare validation reports and present technical data to engineering and quality teams.Knowledge and Skill RequirementsA degree in Chemistry, Physics, Material Science, Chemical Engineering, or a related field with a minimum of 8 years of industry experience (Bachelor’s degree), 5 years (Master’s degree), or 3 years (PhD) focusing on analytical method development.Proficiency in analytical techniques and instrumentation.

Role overview Pyka seeks a Senior Software Engineer to develop and support Ground Control Station software at its Alameda headquarters. The position focuses on building applications that enable autonomous aircraft systems, using Qt, C++, and QML. What you will do Design, implement, and maintain software for ground control stations Collaborate with engineers and cross-functional teams to deliver solutions for autonomous aviation Apply technical expertise in Qt, C++, and QML throughout the development cycle Team environment The engineering team at Pyka values collaboration and practical problem solving. Team members work together to advance aviation technology and support each other's growth.

genefab is seeking a Senior Manufacturing Engineer based in Alameda, CA. The role centers on designing, implementing, and refining manufacturing processes. The main goal is to enhance product quality and boost efficiency within the engineering group. Key responsibilities Create manufacturing processes for both new and existing products Drive improvements that increase process efficiency Streamline workflows to help maintain consistent product quality Role impact This position plays a key part in shaping genefab’s manufacturing approach. The Senior Manufacturing Engineer’s knowledge directly supports the company’s mission and ongoing innovation efforts.

Saildrone Inc. seeks a Senior Electrical Engineer to design and develop electrical systems for unmanned surface vehicles. The position is based in Alameda, California. Role overview This role focuses on building and improving the electrical systems that power Saildrone's ocean data platforms. The work directly supports innovative methods for collecting information from the marine environment. Key responsibilities Design electrical systems for unmanned surface vehicles Develop solutions to support new ways of gathering ocean data Location This position is located in Alameda, California, United States.