Senior Pyrometallurgical Process Engineer

Embark on an exciting journey with ASM, where innovative technology converges with a collaborative atmosphere.For over 55 years, ASM has led the way in technological advancements, pioneering innovations in the semiconductor industry. Our diverse team of over 4,500 professionals from 70 different nationalities is integral to shaping future technologies such as 5G, cloud computing, artificial intelligence, and autonomous vehicles. We are not just a tech company; we are committed to fostering diversity, promoting inclusion, and prioritizing sustainability to make a meaningful impact worldwide. Our development programs are designed to support your personal and professional growth, encouraging you to push the limits of innovation to realize your full potential.We are currently looking for an enthusiastic intern to assist with advanced metrology development initiatives aimed at enhancing measurement precision and modeling stability across vital characterization techniques. This position is perfect for individuals eager to delve into semiconductor process characterization, data analysis, and design of experiments (DOE) methodologies.

About Atomic SemiAtomic Semi is at the forefront of semiconductor innovation, creating a compact and efficient fabrication environment that leverages cutting-edge technology.We are committed to building our own tools to facilitate rapid iterations and enhancements to our processes.Our elite team of engineers, specializing in mechanical, electrical, hardware, computing, and process engineering, is dedicated to pushing the boundaries of technology from atoms to architecture.We believe smaller, faster, and self-built systems represent the future.Equipped with advanced 3D printers, microscopes, e-beam writers, and a variety of fabrication tools, we’re prepared to invent solutions as we encounter challenges.Founded by renowned semiconductor experts Sam Zeloof and Jim Keller, Atomic Semi combines years of industry experience with a passion for innovation.About the RoleWe are seeking enthusiastic Process Engineering Interns for the fall term, starting in September. This internship is designed for a duration of 4 to 8 months, providing you with a unique opportunity to engage in groundbreaking work as we re-engineer the chip fabrication process from the ground up.This hands-on role will have you involved in the design and execution of experiments related to novel semiconductor and thin-film fabrication techniques. We are looking for candidates with a solid understanding of traditional semiconductor processing methods and an eagerness to explore innovative techniques.This position offers a high level of ownership and autonomy in a dynamic startup environment, allowing you to contribute meaningfully to novel R&D processes and influence equipment design. Candidates should possess hands-on cleanroom experience and a proven track record of developing nanofabrication recipes across multiple process stages.

About Mariana Minerals Mariana Minerals is a software-driven minerals company based in San Francisco. The team supplies essential minerals for the energy, artificial intelligence, and defense industries. By combining deep industry knowledge with advanced software, automation, and data strategies, Mariana Minerals is rethinking how minerals reach the world’s most critical sectors. Internship Overview The Process Engineering Intern will join the Pilot Plant Operations team at Mariana Minerals’ San Francisco headquarters. This internship offers the chance to work on meaningful, hands-on projects in mineral processing. Interns conduct benchtop experiments, support pilot plant test runs, and help develop new operational programs. Close collaboration with experienced engineers and subject matter experts is a core part of the experience. This role focuses on building and delivering new solutions, not just supporting existing work. What You Will Do Run experiments in both lab and pilot plant settings to help reduce risks in scaling up minerals processing. Develop, test, and refine approaches to improve product recovery, minimize equipment downtime, control costs, and support health and safety. Work with engineering, management, and software teams to create programs and tools that advance operational goals. Collaborate with cross-functional groups, including operations and analytical labs. Present findings and insights at the end of the internship. What We’re Looking For Current student or recent graduate in chemical engineering, metallurgy, materials science, or a related field. Strong grasp of process design, thermodynamics, and reaction engineering. Hands-on experience in laboratory, pilot plant, or commercial plant settings through coursework, projects, or previous internships. Skilled in experimental design, troubleshooting, and independent analysis of complex data. Clear technical writing, communication, and collaboration abilities. Comfortable adapting to new challenges and working in a changing environment. Why Mariana Minerals? Interns at Mariana Minerals join a mission-driven team working to transform the global sourcing and supply of critical minerals. Every contribution supports a larger vision for the future of the industry.

Join Our Team as a Senior Process EngineerAt Substrate, we are tackling one of the most crucial technological challenges facing the United States today. Positioned at the forefront of advanced manufacturing and innovative physics, our mission is to develop groundbreaking technologies that will revolutionize the semiconductor industry and fortify America’s technological leadership. We pride ourselves on our team of world-class scientists, engineers, and technical experts dedicated to crafting technology for the future.Job OverviewAs a Senior Process Engineer, you will play a pivotal role in conceptualizing and prototyping essential components of our platform through advanced process development and materials characterization. This hands-on position involves working in multiple cleanrooms and user facilities around the vibrant San Francisco Bay Area while also leading the efforts of fellow team members. You will oversee critical aspects of our fabrication process, engaging in both micro- and nanofabrication as well as characterizing the materials and structures you create. This role will encompass various nanofabrication techniques, such as lithography, wet and dry deposition, and etching.Additionally, you will contribute significantly to the establishment of Substrate’s internal research facilities. Your expertise will be instrumental in early-stage development and testing, which are vital to our ambitious mission of reshaping the semiconductor landscape for years to come.

Role OverviewAt Mariana Minerals, we are on a mission to revolutionize refining processes for critical minerals, playing a pivotal role in the global energy transition. We are in search of a dynamic and driven Process Modeling Engineer who will be integral to this endeavor.In this position, you will take charge of developing, validating, and optimizing heat and material balance models utilizing advanced software such as ASPEN Plus/HYSYS, SysCAD, OLI Studio, or METSIM. You will collaborate closely with R&D, pilot operations, and project execution teams to transform lab and pilot data into robust, scalable process models that are essential for the design of groundbreaking mineral refining facilities.Key ResponsibilitiesCreate both steady-state and dynamic process models to determine heat and material balances for integrated mineral refinery systems using ASPEN, SysCAD, OLI, or METSIM.Automate the sizing of equipment and processes (including reactors, heat exchangers, filters, crystallizers, evaporators, and separators) based on model outputs, linking models to datasheets and other engineering tools.Develop and maintain comprehensive process simulation databases to ensure consistency and traceability among modeling assumptions, test data, and engineering outputs.Calibrate and reconcile models using operational data from pilot plants to ensure model accuracy and predictive validity.Conduct optimization studies to enhance energy recovery, recycling strategies, and material efficiency.Develop dynamic models for validating PLC and DCS programming while assessing buffer sizing throughout the design process.Integrate process models with CAPEX and OPEX estimation tools to streamline techno-economic model development.Document modeling methodologies and results, ensuring clear technical communication for design reviews, techno-economic assessments, and regulatory submissions.

Join Multiply Labs as a Software Engineering InternAt Multiply Labs, we are at the forefront of innovation in the biotechnology sector, located in the vibrant city of San Francisco, California. With backing from renowned investors including Casdin Capital, Lux Capital, and Y Combinator, our vision is to create the most advanced robotic systems that make life-saving therapies accessible to everyone.We are transforming the landscape of cell therapy manufacturing with sophisticated robotics that streamline production processes. Our technology enables biopharma companies to manufacture cell therapies efficiently and affordably, tackling the traditional challenges of high costs and regulatory hurdles. By leveraging our robotics, we strive to lower the costs of these groundbreaking treatments, which can otherwise exceed $1 million per patient.To explore more about our mission and see our robots in action, visit us at www.multiplylabs.com and connect with us on LinkedIn.About the InternshipWe are seeking enthusiastic Software Engineering Interns to become a part of our dynamic team. In this role, you will contribute to developing production-ready software that will play a pivotal role in the future of personalized medicine and cell therapy manufacturing. Ideal candidates are strong problem solvers, motivated students eager to learn, and excited about the unique experience of working within a fast-paced startup environment.

Physical Intelligence is looking for a Mechatronics Engineering Intern to join the Hardware Engineering team in San Francisco. This position offers hands-on work building, troubleshooting, and refining robotic systems that support the company's data collection and model training efforts. Team focus The Hardware Engineering group designs and assembles robotic arms, mobile platforms, and end-effectors. Team members collaborate across mechanical, electrical, embedded, and software specialties. Projects often involve rapid prototyping, integrating subsystems, and improving the performance of robotic fleets in real-world deployments. What you will do Subsystem design and testing: Design, build, and test subsystems for robotic arms and mobile platforms, covering actuation, sensing, enclosures, and power systems. Hands-on prototyping: Assemble, calibrate, and test prototypes in the hardware lab, working with arms, lifts, mobile bases, and end-effectors. Cross-disciplinary integration: Work closely with mechanical, electrical, and software engineers to diagnose issues and improve system performance. Data-driven iteration: Use deployment data to inform design changes and increase reliability. Full-stack subsystem ownership: Take projects from CAD design through PCB integration and bench testing. Requirements Currently pursuing or completed a Bachelor's degree in Mechanical or Mechatronics Engineering. Outstanding personal projects, GitHub work, or portfolios may be considered for students earlier in their studies. Solid understanding of mechanical and electromechanical design, including dynamic loading and finite element analysis (FEA). Familiarity with embedded systems and mechatronic components such as CAN, BLDC control, and motor controllers. Experience with CAD tools (NX, OnShape, SolidWorks) and rapid prototyping methods like 3D printing or laser cutting. Basic skills in electrical design and debugging, including reading schematics, soldering, and using test equipment.

Join Cloudflare as a Solutions Engineer Intern for the summer of 2026. This is an exciting opportunity for students who are passionate about technology and eager to gain hands-on experience in a dynamic work environment. As an intern, you will collaborate with our engineering and product teams to develop solutions that enhance the performance and security of our clients' web applications.

About Mariana MineralsAt Mariana Minerals, we are a pioneering, software-driven minerals company dedicated to supplying the essential minerals that are critical for modern energy, AI, and defense technologies. Our innovative approach redefines how minerals are sourced, refined, and optimized through a blend of deep industrial knowledge and cutting-edge software, automation, and data-driven decision-making. Join us in revolutionizing responsible mineral sourcing and supply.Role OverviewWe are seeking a proactive Hydrometallurgical Process Engineer to contribute to the development of the critical minerals supply chain essential for the global energy transition.As a Hydrometallurgical Process Engineer with Mariana Minerals, you will spearhead the creation and implementation of innovative chemical refining processes. Your role will also involve supporting the development of software for capital project execution and enhancing automated plant optimization. You will be responsible for overseeing equipment scopes from initial concept to design, installation, commissioning, ramp-up, and handover to the operations team.What You Will DoLead hydrometallurgical process equipment scopes from concept development and modeling validation through procurement, detailed engineering, fabrication, installation, commissioning, and ramp-up.Manage relationships with external technology licensors, equipment vendors, and engineering partners to deliver fully integrated and efficient hydrometallurgical refining systems.Develop comprehensive heat and material balances for complex hydrometallurgical process trains, including leaching, solution purification, solvent extraction/ion exchange, precipitation, crystallization, and residue handling.Create hydraulic models and process flow diagrams/P&IDs for hydrometallurgical circuits, ensuring operational efficiency, reliability, and safety.Develop first-principles models of chemical reactors and unit operations (e.g., leach reactors, autoclaves, SX settlers, IX columns, precipitation reactors, filtration systems) to validate scale-up and mitigate risks in commercial designs.Identify, assess, and implement engineering solutions to enhance extraction, purification, and recovery processes under varying chemistries, feedstock qualities, and operating conditions.

Forward Deployed Process EngineerAbout YouYou possess exceptional skills in guiding enterprises to recognize how AI can revolutionize their operations. Your passion lies in discovering the most effective methods to implement technology solutions that meet the needs of both IT and business stakeholders. You excel at listening to comprehensively understand customers' objectives and translating these insights into engaging experiences that illuminate their future. With a profound knowledge of large enterprise systems, you are adept at integrating them into transformative AI strategies. Your curiosity about the unique cultures and processes of customers drives you to customize the best solutions for their specific needs.Qualifications• A Bachelor's degree in a relevant field such as Business, Engineering, Supply Chain Management, or Computer Science from a prestigious university.• 2-4 years of hands-on experience in enterprise software implementation or business process consulting, ideally within Supply Chain Management (SCM), Enterprise Resource Planning (ERP), Manufacturing Execution Systems (MES), or similar complex enterprise solutions.• A strong interest in leveraging generative AI in business applications is essential; prior experience with AI-first solutions is advantageous.• Proven experience in leading software implementations or managing workstreams including design, deployment, and post-go-live support.• Excellent project management capabilities, with a track record of delivering complex implementations on time and within scope.• Ability to establish trust and credibility with business process owners and technical stakeholders.• Outstanding written and verbal communication skills, capable of conveying the business value of technology solutions to both technical and non-technical audiences at all levels of an organization.• Strong presentation abilities, particularly in delivering product demonstrations.• Experience with data analytics and AI/ML concepts and their application in a business context is a valuable plus.• Familiarity with core supply chain processes, including planning, sourcing, manufacturing, logistics, and distribution is a plus.• A commitment to continuous learning and personal development in the rapidly evolving field of AI.

Company OverviewEcho Neurotechnologies is an innovative startup at the forefront of Brain-Computer Interface (BCI) technology, dedicated to transforming lives through advanced hardware engineering and artificial intelligence solutions. Our mission is to provide groundbreaking technologies that empower individuals with disabilities, enhancing their autonomy and overall quality of life.Team CultureBecome a part of our dynamic team of passionate professionals in a collaborative, early-stage environment where your ideas will have a considerable impact. We value continuous learning and development, encouraging cross-functional collaboration that is crucial to our collective success.We are currently searching for a Senior Manufacturing Process Engineer to play a pivotal role in the production of the Echo Active Implantable BCI device, which facilitates communication for patients with significant disabilities.In this position, you will be tasked with developing and refining manufacturing processes, tooling, and documentation from the development phase through validation, clinical studies, and ultimately, commercial release, working closely with both domestic and international suppliers.This role requires hands-on interaction with suppliers and our engineering teams, ensuring the design intent is translated into a safe and effective device. You will be responsible for continuous improvement in processes and documentation, addressing any issues that may affect product quality, scheduling, and cost targets.Echo Neurotechnologies is committed to utilizing third-party resources for manufacturing and sometimes product development. Active engagement and technical support for our suppliers are essential to our strategy, and maintaining strong relationships with diverse and geographically dispersed suppliers is key to our success.

Process EngineerSubstrate is tackling a critical technological challenge in the United States. Positioned at the forefront of advanced manufacturing and innovative physics, we are pioneering technologies that will revolutionize the semiconductor sector and enhance America's position as a global technology leader. Our team comprises top-tier scientists, engineers, and technical professionals dedicated to developing state-of-the-art technology for the United States.Job SummaryAs a Process Engineer, you will play a vital role in prototyping essential components of our platform through advanced process development and materials characterization. This position involves hands-on engagement in various cleanroom and user facilities throughout the San Francisco Bay Area, where you will perform a combination of micro- and nanofabrication alongside material and structural characterization. Your responsibilities will encompass numerous nanofabrication methods, including but not limited to lithography, wet and dry deposition, and etching techniques.You will also be instrumental in the establishment of Substrate’s internal research facilities, contributing significantly to the early-stage development and testing that is crucial to our ambitious mission of reshaping the semiconductor landscape for years to come.

About LindyAt Lindy, we are dedicated to creating an AI assistant that caters to everyday users, not just tech enthusiasts. Our Lindy Assistant integrates seamlessly with iMessage, managing email, calendars, and meetings, and can be set up in just two minutes. We aim to bridge the gap between powerful AI technologies and the lives of real people.The RoleThis internship is not about observing; you'll actively contribute by writing and deploying real code while receiving mentorship akin to that of a junior engineer from your first day. Expect to be challenged and to learn continuously throughout your experience.You will engage with a product that users rely on daily for managing their communications and schedules. With a broad scope and a rapidly evolving codebase, you will encounter a wealth of intriguing challenges to tackle.What You'll DoWrite and deploy production-level code — your work will result in live features, not just prototypes.Engage with the full technology stack: TypeScript/React/Node for the frontend and Python for the backend.Collaborate closely with fellow engineers through code reviews, daily standups, and design brainstorming sessions.Troubleshoot actual issues in a live product environment with real users.Be inquisitive, ask questions, and learn quickly.What We're Looking ForYou are pursuing a degree in Computer Science or a related field, or you are a self-taught programmer—either path is welcomed.You have a portfolio of projects: personal endeavors, hackathon entries, open-source contributions, or similar work.You have proficiency in at least one programming language and can learn new ones with ease.Familiarity with TypeScript, React, or Python is a plus, but expertise in all three is not required.Preferred QualificationsExperience with LLM APIs (such as OpenAI, Anthropic, etc.) or working on AI model applications.Knowledge of agentic workflows or tool-use patterns.You have built or launched something that users find valuable.What You'll ReceiveCompetitive hourly compensation.

We appreciate your interest in joining the Uncountable Engineering team!Position OverviewUncountable is on the lookout for enthusiastic interns who are eager to embark on a journey in full-stack software engineering. Our mission is to transform the landscape of industrial research and development. We seek passionate engineers ready to contribute to the creation of an advanced development platform utilized by Fortune 500 companies.Potential ProjectsYou'll have the opportunity to design databases for enhanced analytical capabilities and develop innovative interfaces and views that empower scientists in managing experiments.EligibilityWe will only consider candidates who are graduating within a year of the internship.Compensation: $6,000 per month

Join Ironclad, the premier AI contracting platform that revolutionizes the way agreements are handled. Our platform accelerates contract processing, delivers instant insights, and empowers users with unparalleled control. Whether you are buying or selling, Ironclad integrates the entire process into a single intelligent platform, ensuring leaders maintain the visibility required to stay ahead of the curve. That's why leading organizations, including OpenAI, the World Health Organization, and the Associated Press, trust Ironclad to enhance their business operations.Recognized consistently as an industry leader, Ironclad has earned accolades such as being a Leader in both the Forrester Wave and Gartner Magic Quadrant for Contract Lifecycle Management. We are proud to be recognized by Fortune as a Great Place to Work and listed among Fast Company’s Most Innovative Workplaces. Additionally, Ironclad has been featured in Forbes’ AI 50 and Business Insider’s list of Companies to Bet Your Career On. We are backed by top-tier investors including Accel, Y Combinator, Sequoia, BOND, and Franklin Templeton. To learn more, visit www.ironcladapp.com or follow us on LinkedIn.This position operates in a hybrid model, requiring office attendance at least twice a week on Tuesdays and Thursdays for collaboration. Additional in-office days may be necessary for team or company events.Engineering @ IroncladAs a Software Engineer Intern at Ironclad, you will collaborate with various teams to identify and tackle business challenges by designing, building, and verifying innovative solutions. Your work will contribute to a platform that empowers legal teams to scale their operations effectively, modernizing a profession that has remained largely unchanged for two millennia.You will engage with a modern technology stack that includes TypeScript, React, Node.js, Java, and Docker containers in Kubernetes on Google Cloud Platform. While experience with these specific technologies is advantageous, it is not a requirement. We prioritize a collaborative work environment that fosters inclusivity and allows interns to contribute to real projects while receiving meaningful mentorship, rather than engaging in trivial tasks.About the roleWe are seeking enthusiastic Software Engineer Interns eager to learn and make a tangible impact by shipping real features. You will be integrated into a Product Engineering Team (such as AI, core product, workflow, or platform) and will work on projects that directly influence our customers worldwide.You will partner closely with full-time engineers, product managers, designers, and quality engineers to fully understand user problems and contribute to meaningful solutions.

AeroVect is seeking enthusiastic Autonomy Engineering Interns who are passionate about transforming autonomous driving systems into reality. This internship lasts a minimum of 4 months, with a potential pathway to full-time employment.In this dynamic, early-stage startup environment, you will play a crucial role in advancing our Autonomous Driving Software (ADS) stack. Your work will involve the design, simulation, and real-world deployment of a specific autonomy submodule, contributing to the development of a groundbreaking ground vehicle system that revolutionizes cargo movement at major airports worldwide.We are particularly interested in candidates with robust expertise in one or more of the following domains:Perception and Sensor FusionLocalization and MappingVehicle Control, Planning, and Decision MakingThis position requires you to select and utilize both innovative techniques and established off-the-shelf technologies to enhance your ADS module, collaborating with fellow engineers to integrate into the overall system architecture while delivering exceptional value and functionality to the modern supply chain.This is an excellent opportunity for a technically skilled engineer to assist in creating a market-leading enterprise product that merges autonomous vehicle technology with a software-as-a-service (SaaS) business model.As an intern, you will work closely with our co-founders and the Autonomy Lead.Your Responsibilities Include:Defining, leading, and owning the hands-on development of your ADS subsystem module, focusing on key milestones while collaborating with internal and external partners — anticipate spending approximately 75% of your time on hands-on development, with the remaining 25% dedicated to integration with the overall software stack alongside a team of elite engineers to meet ambitious targets.Designing, implementing, testing, and supporting ADS module functionality through simulations and real-world testing in the context of airport environments, including vehicle corridors and airport aprons.Collaborating with the broader engineering team to support all aspects of ground vehicle autonomy, including planning, perception, navigation, and infrastructure subsystems.Teaming up with hardware engineers to develop an integrated system, including calibration and integration tasks.Staying informed about the latest advancements in the field.

Discord is a vibrant platform that connects over 200 million users monthly for a variety of activities, with a significant focus on gaming. With over 90% of our users engaging in gaming, they spend a staggering 1.5 billion hours playing thousands of unique games on Discord each month. Our mission is to enhance the gaming experience by facilitating seamless communication and interaction among players before, during, and after their gaming sessions.We are seeking an experienced Staff Software Engineer to join our dedicated Safety Processing team. This pivotal team is responsible for maintaining trust and safety on Discord by processing signals from user reports and automated systems to identify and eliminate harmful or illegal content. In this role, you will spearhead backend projects, provide architectural insight, and develop scalable systems that effectively protect our users. Your contributions will directly influence the safety of our platform, ensuring that Discord remains a welcoming environment for all. To discover more about our engineering initiatives, visit our engineering blog.

Physical Intelligence seeks a Hardware Systems Engineering Intern to support its core hardware team in San Francisco. This group maintains the infrastructure behind a robotic fleet that performs real-world tasks, from washing dishes for hours to brewing coffee in both warehouse and unpredictable outdoor settings. Role overview The hardware team operates at the intersection of mechanical, electrical, and systems engineering. Team members work closely with software, controls, and manufacturing engineers to transition robots from prototypes into production. Daily work includes developing and running test protocols, troubleshooting failures in the field, and building systems that ensure reliability in a range of environments. What you will do Cross-disciplinary problem solving: Address challenges that combine mechanical, electrical, and control systems. Analyze ambiguous issues, identify root causes, and design practical fixes. Reliability analysis: Collect data and conduct reliability studies to spot failure trends, monitor system uptime, and contribute to investigations using methods such as RCCA and FMEA. Failure tracking: Build failure pareto charts to highlight key failure causes and timing. Work with engineers across disciplines to monitor system performance throughout different builds and deployments. Tooling and process design: Design and construct tools, jigs, and processes that improve speed, safety, and reliability for the robot fleet. Test protocols: Execute and refine testing procedures for new hardware, field repairs, and post-service checks. Build and production support: Assist with hardware builds, inventory tracking, materials handling, and vendor coordination. Configuration and serialization: Help implement configuration, serialization, and test tracking systems to streamline service and replacement processes. Requirements Pursuing or completed a Bachelor's degree in Mechanical or Mechatronics Engineering.

Join Us in Combating the Escalating Wildfire Threat with Cutting-Edge AI and IoT SolutionsAbout UsThe Challenge: In fire response, every second counts. Climate change is intensifying wildfires, resulting in prolonged seasons, drier vegetation, and stronger winds. As a result, new ignitions spread rapidly, endangering more communities. Currently, most wildfires are reported by onlookers through 911, leading to delays in detection, location verification, and the dispatching of emergency services. Fire authorities urgently need improved methods for prompt detection, confirmation, and precise location of fires to mitigate the risk of small sparks evolving into catastrophic blazes.About Pano AI: We are a dynamic, 150+ member hybrid-remote startup based in San Francisco, recognized as a leader in early wildfire detection and intelligence. Our mission is to empower fire professionals with rapid, safe responses through optimal equipment, timely information, and enhanced coordination, enabling them to extinguish new ignitions before they escalate. Pano AI integrates advanced hardware, software, and artificial intelligence into a user-friendly web-based platform. By utilizing a network of ultra-high-definition, 360-degree cameras positioned at elevated locations, alongside satellite and other data sources, we provide real-time insights into threats within a geographic area, delivering immediate, actionable intelligence.Pano AI has been recognized by TIME as one of the 100 Most Influential Companies of 2025, listed by MIT Technology Review as one of the top 15 climate tech companies to watch in 2024, and highlighted by Fast Company as one of the Top 10 most innovative companies in AI for 2023. Our work has been featured in major publications such as the Wall Street Journal and Bloomberg.