Software Engineer Intern - Fall 2026

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 Atomic SemiAtomic Semi is pioneering a compact and rapid semiconductor fabrication facility. Our goal is to harness today’s technology to build innovative solutions with streamlined processes. We are committed to creating our own tools to facilitate swift iterations and enhancements.We are assembling a small team of exceptional, hands-on engineers across various disciplines, including mechanical, electrical, hardware, computer, and process engineering. Our team will take ownership from atomic-level designs to complete architectural solutions. We are optimistic about the future and eager to push the boundaries of technology.We believe that smaller, faster, and self-built solutions are superior. Our lab is equipped with advanced tools such as 3D printers, a variety of microscopes, e-beam writers, and general fabrication equipment, and we are ready to invent whatever is missing along the way.Atomic was founded by Sam Zeloof and Jim Keller. Sam is renowned for his garage-made chips, while Jim brings over 40 years of leadership experience in the semiconductor industry.About the RoleWe are seeking an Automation Software Engineering Intern for the upcoming fall semester, starting in September. We prefer a commitment of 4 to 8 months. As part of an integrated engineering team, you will engage in building semiconductor fabrication equipment, tackling intriguing engineering challenges.Our small size enables interns to undertake significant responsibilities, contributing to mission-critical projects. You will enjoy substantial autonomy on interdisciplinary initiatives that enhance our semiconductor fabrication processes and improve robot efficiency. Ideal candidates should have a background in motor controllers, path planning, and trajectory control.We prioritize rapid prototyping and testing—aiming to build and verify solutions within days or weeks, not months. Therefore, a portfolio showcasing your work (such as a GitHub link) is required to apply, demonstrating your software engineering skills and curiosity.

About Atomic SemiAtomic Semi is revolutionizing semiconductor fabrication with a cutting-edge, compact facility.Leveraging existing technologies and strategic simplifications, we are creating our own tools to enable rapid iteration and enhancement of our processes.Our team is composed of talented, hands-on engineers across various disciplines including mechanical, electrical, hardware, computer, and process engineering. Together, we are committed to owning the entire stack from atomic-level design to architectural implementation. We are optimistic about the future and are eager to push the boundaries of technological innovation.Smaller, faster, and self-built solutions are our ethos.Our lab is equipped with advanced technology, including 3D printers, a variety of microscopes, e-beam writers, and general fabrication equipment. If there’s something we need, we’ll invent it ourselves.Founded by Sam Zeloof and Jim Keller, Atomic Semi combines Sam's innovative spirit of garage chip-making with Jim's 40 years of industry leadership.About the RoleWe are looking for enthusiastic Software Engineering Interns to join our Fab team this fall. The internship will commence in September, with a preferred duration of 4 to 8 months. You will be tasked with developing full-stack applications, tools, and infrastructure tailored for a software-defined semiconductor fab.This role is multi-faceted and hands-on, focusing on controlling semiconductor fabrication equipment and analyzing data related to semiconductor process development. Your contributions will directly assist engineers in both developing and operating the fab. If you thrive on building intricate features from the ground up and enjoy quickly mastering new domains, this is an excellent opportunity for professional growth.We prioritize getting projects built and tested in days or weeks, not months. As part of your application, please provide a portfolio (e.g., GitHub) showcasing the projects you have developed! We value demonstrable software engineering excellence and a passion for learning.

About Atomic SemiconductorAtomic Semiconductor is revolutionizing the semiconductor fabrication industry by developing a compact and efficient semiconductor fab.Leveraging current technology and innovative simplifications, we aim to create our own tools to accelerate the production process.Our team is composed of outstanding, hands-on engineers with expertise in mechanical, electrical, hardware, computer, and process engineering. We take pride in managing the entire stack, from atomic structures to architectural designs.Our philosophy is simple: smaller and faster is better, and creating our own solutions is key to our success.We believe our talented team and well-equipped lab can produce anything. Our facilities include 3D printers, a variety of microscopes, e-beam writers, and general fabrication tools, with a commitment to inventing whatever we find lacking.Founded by notable figures in the semiconductor field, Sam Zeloof and Jim Keller, we are driven by a shared vision for the future of technology.Role OverviewWe are seeking Embedded Software Engineering Interns for the upcoming fall term, starting in September. The internship is designed for a commitment of 4 to 8 months. You will collaborate with an integrated engineering team focused on creating semiconductor fabrication equipment, tackling intriguing engineering challenges. Your role will involve developing high-performance tools that meet stringent requirements across various disciplines, including structures, optics, fluids, heat transfer, physics, and chemistry. A strong familiarity with end-to-end system bring-up will be beneficial.We prioritize rapid development cycles, aiming to build and test solutions within days or weeks rather than months. To apply, please provide a portfolio (such as your GitHub) showcasing your work and demonstrating your software engineering skills and curiosity.Key ResponsibilitiesDevelop real-time Linux applications and microcontroller firmware in Rust for the control of semiconductor fabrication equipment.Create backend systems for capturing and analyzing semiconductor process data.

Join Atomic Semiconductor as a Circuit Design Intern!Atomic Semiconductor is on a mission to revolutionize semiconductor manufacturing with a compact, high-speed fabrication facility. Our innovative approach leverages existing technology with strategic simplifications to drive rapid iterations and improvements.Our dedicated team comprises skilled engineers from diverse fields, including mechanical, electrical, hardware, and computer processes. We take pride in owning our entire stack, from atomic structures to architectural designs. Together, we are committed to pushing technological boundaries and redefining the future of semiconductors.Our philosophy is simple: smaller, faster, and self-built solutions are superior. With a fully equipped lab featuring 3D printers, various microscopes, e-beam writers, and fabrication equipment, we believe in our team's capability to create anything we envision.Founded by renowned industry experts Sam Zeloof and Jim Keller, Atomic Semiconductor is at the forefront of semiconductor innovation.About the InternshipWe are seeking enthusiastic Circuit Design Interns for the upcoming fall term, starting in September, with an ideal commitment of 4 to 8 months. You will play a vital role in the reconstruction of chip fabrication processes, engaging in impactful work that directly influences our internal design teams and future clients. Responsibilities include circuit design, standard cell layout, device characterization, and CAD flow development. You will utilize tools such as NGSpice, K-Layout, OpenROAD, along with proprietary technologies.Our rapid development philosophy prioritizes getting projects built and tested within days or weeks, rather than months. As part of the application process, a portfolio showcasing your completed projects is required. Demonstrating experience in shipping medium to high-complexity systems through personal projects or past internships will make you an excellent candidate.

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.

Join aisafety as a Research Engineer Intern for the Fall 2026 term! This internship is an excellent opportunity to gain hands-on experience in the field of safety engineering, where you will collaborate with seasoned professionals on innovative projects. You will be involved in research and development activities, contributing to advancements in safety solutions.

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.

Astranis builds satellites for high orbits, delivering secure communication networks to enterprises, government agencies, and the U.S. military. With five satellites already in orbit and a strong backlog of commercial contracts, the company continues to expand its reach. Astranis operates from a 153,000 sq. ft. headquarters in Northern California, where a team of 450 engineers and entrepreneurs design, build, and manage advanced satellite systems. The company is supported by over $750 million in funding from major investors. Internship Overview The Communications and DSP Engineering Intern position for Fall 2026 is a 12-week program based in San Francisco. This internship is intended for students currently enrolled in a four-year university. Interns work on real projects from the start, contributing to both hardware and software used in Astranis satellite missions. Many previous interns have gone on to join the company full-time after their internships. What You Will Do Design and implement signal processing algorithms for custom software-defined radio hardware, including tasks like channelization, equalization, and gain control. Work closely with FPGA developers to integrate and test signal processing functions on radio hardware. Model end-to-end radio systems to support communication between Earth and space. Perform radio architecture trade studies, optimize system performance, and manage link budgets for a range of global applications.

Astranis builds advanced satellites for high Earth orbits, supporting secure communications for enterprise, government, and military clients. With five satellites already in orbit and more launches planned, Astranis manages over $1 billion in commercial contracts. The team operates from a 153,000 square foot headquarters in Northern California, with 450 engineers and entrepreneurs. Investors include Andreessen Horowitz, Blackrock, and Fidelity, and the company has raised more than $750 million to date. Internship Overview The Environmental Test Engineer Intern program runs for twelve weeks in Fall 2026. This paid internship is open to students currently enrolled at a four-year university. Interns work on substantial projects, often handling hardware and software that will fly in space. Many past interns have transitioned to full-time roles at Astranis after their internships. What You Will Do Collaborate with an interdisciplinary team to design, build, and test satellite hardware and software. Set up and operate environmental test equipment, including: Ambient thermal chambers Thermal Vacuum Chambers (TVAC) Vibration shaker tables EMI/EMC test equipment Develop hands-on experience with test instruments such as thermal chambers, vibration tables, data acquisition systems (DAQs), and oscilloscopes to execute test plans. Carry out environmental testing, including vibration, acoustics, thermal, thermal vacuum, and RF tests.

Atomic Semi is developing a compact semiconductor fabrication facility in San Francisco. The team brings together mechanical, electrical, hardware, computer, and process engineering. Leadership includes Sam Zeloof, recognized for his garage chip manufacturing, and Jim Keller, who has over four decades in the semiconductor field. The company values building small, fast, and self-made solutions. The lab is equipped with 3D printers, advanced microscopes, e-beam writers, and a variety of fabrication tools. When a needed tool is missing, the team creates it themselves. Role overview This fall internship runs for 4 to 8 months, starting in September, and is based onsite at the San Francisco office. The Infrastructure Software Engineering Intern will contribute to designing, building, deploying, and maintaining the on-premises backend infrastructure that supports semiconductor fabrication. Expect hands-on involvement across all layers of backend infrastructure and services. How the team operates Infrastructure at Atomic Semi is intentionally minimal and easy to understand, with a close connection to physical hardware. The technology stack uses bare-metal Linux, systemd, and single-file binaries. The team avoids Docker, cloud services, and Kubernetes. Most coding is done in Rust and Go, with some Python as needed. Fast iteration is important. The team aims to build and test solutions in days or weeks rather than months. Requirements Hands-on experience building real-world applications Interest in performance engineering Ability to learn new technical domains quickly Motivation to develop complex features from scratch Application instructions Include a portfolio or GitHub link with your application to highlight previous work.

About Atomic SemiAt Atomic Semi, we are revolutionizing semiconductor manufacturing by creating a compact and efficient semiconductor fabrication facility. Leveraging current technologies and innovative techniques, we aim to develop our own fabrication tools for rapid iteration and enhancement.Our dedicated team consists of hands-on engineers specializing in mechanical, electrical, hardware, and computer engineering, as well as process design. We manage every aspect of the stack, from atomic structures to architectural design. Our optimistic vision for the future drives us to continually push the boundaries of technology.Our philosophy emphasizes that smaller, faster, and self-built solutions are superior. We are equipped with advanced tools including 3D printers, a diverse range of microscopes, e-beam writers, and general fabrication equipment. If there’s a tool we need, we will create it ourselves.Founded by industry pioneers Sam Zeloof and Jim Keller, Atomic Semi is poised to redefine what is possible in semiconductor technology. Sam is renowned for his garage chip-making endeavors, while Jim brings over 40 years of leadership experience in the semiconductor sector.About the RoleWe are looking for passionate Rust Software Engineering Interns for the fall semester, starting in September, with an ideal commitment of 4 to 8 months. You will contribute to the development of cutting-edge tools for chip fabrication and design, incorporating real-time collaboration, computational geometry, GPU-accelerated visualization, simulation, interactive editing, and data processing.This multifaceted role will involve engaging with various domains, from low-level system operations and data synchronization to high-performance rendering and sophisticated UI/UX tools. Your contributions will empower engineers to design and comprehend complex physical systems. If you're enthusiastic about performance engineering, creating intricate features from the ground up, and quickly adapting to new domains, this position offers a fantastic opportunity for personal and professional growth.We prioritize rapid prototyping and testing, aiming to complete projects in days or weeks rather than months. As part of the application process, a portfolio demonstrating your work (such as your GitHub profile) is required—show us your creations! A strong portfolio will reflect your software engineering skills and your curiosity.

Join Cloudflare as a Solutions Engineer Intern during the Summer and Fall of 2026, where you will have the opportunity to work alongside skilled professionals in a dynamic environment. This internship offers a unique chance to engage in innovative projects, develop your technical skills, and contribute to cutting-edge solutions that enhance internet security and performance.

Join Sierra as an Intern in Agent Development for the Fall 2026 semester! This is an exciting opportunity to gain hands-on experience in a dynamic and innovative environment. As an intern, you will collaborate with our talented team to support various projects aimed at enhancing agent performance and development strategies.

Astranis builds advanced satellites for high orbits, expanding access to secure and dedicated networks for clients such as large enterprises, governments, and the US military. With five satellites in orbit and more launches ahead, Astranis supports a commercial contract backlog exceeding $1 billion. The company is headquartered in Northern California and employs 450 engineers and entrepreneurs, backed by over $750 million from investors like Andreessen Horowitz, Blackrock, and Fidelity. The Associate Mechanical Engineer - Fall 2026 Program is a twelve-week, salaried role based in San Francisco. This program is designed for candidates who have completed or will complete their bachelor’s degree before joining. The position offers the chance to work on projects that match the complexity and impact of those assigned to full-time engineers. Role overview Work alongside the engineering team to design, build, and test satellite hardware or software. What you will do Associate Engineers at Astranis contribute directly to challenging engineering projects. Past participants have designed and tested hardware or software for the company’s first satellite. Many have continued on to full-time roles. This program emphasizes hands-on experience and meaningful project ownership. Requirements Bachelor’s degree completed or expected before the program start date Interest in satellite hardware or software engineering Note: Current college students should consider applying for the Astranis Internship program instead.

About Atomic SemiAtomic Semi is pioneering the development of a compact and rapid semiconductor fabrication facility.Utilizing current technology and innovative simplifications, we aim to construct tools in-house to facilitate swift iterations and enhancements.Our team consists of a select group of outstanding, hands-on engineers specializing in mechanical, electrical, hardware, computer, and process engineering. We take ownership of the entire stack, from atoms to architecture. With an optimistic outlook on technology's future, we are committed to pushing its boundaries.We believe smaller, faster, and self-built solutions are superior.Our lab is equipped with 3D printers, a diverse range of microscopes, e-beam writers, and general fabrication equipment. If we lack any tool, we invent it!Founded by Sam Zeloof and Jim Keller, Atomic Semi is led by visionaries with a rich history in semiconductor innovation.About the RoleWe are seeking enthusiastic Semiconductor Packaging Engineering Interns for the upcoming fall term, starting in September, with a preferred commitment of 4 to 8 months. As part of a small team, you will engage in comprehensive process development and integration for semiconductor packaging, providing you with unique, hands-on experience that is rare in larger organizations. You will actively participate in the research and development of new packaging technologies, including mechanical prototyping, experiment design, and data analysis. We provide training on our tools, allowing you to use them independently, including 3D printing, metal plating, laser cutting, and metrology.Our mantra is to achieve rapid prototyping and testing, aiming for completion within days or weeks rather than months. As part of the application process, a portfolio showcasing your built projects is required. If you have successfully delivered a medium-to-high complexity system through personal projects or previous internships, you would thrive in our environment.

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.

Astranis Space Technologies Corp. develops advanced satellites for high orbits, supporting secure networks for enterprises, governments, and the U.S. military. With five satellites already in orbit and a significant commercial backlog, the company continues to expand its presence in satellite communications. The team, based in a 153,000 square foot headquarters in Northern California, includes 450 engineers and entrepreneurs working on end-to-end satellite design, build, and operations. The Antenna Intern position for Fall 2026 is a twelve-week, hourly internship designed for students enrolled in a four-year university program. This role centers on hands-on collaboration with engineers from mechanical, thermal, and payload systems to advance antenna technology for current and future satellite payloads. What you will do Use advanced design tools to develop communications antenna systems that can adapt to changing on-orbit conditions and customer requirements. Work with vendors to design and source RF and antenna components, then verify their performance through detailed anechoic chamber testing. Partner with teams across Mechanical, Structural, Thermal, and Payload Systems to co-design antenna components and systems. Internship details Internships are structured as twelve-week hourly roles. Open to students currently enrolled in a four-year university program.

Astranis develops advanced satellites for high-orbit missions, supporting secure networks for clients ranging from large enterprises to governments and the US military. With five satellites launched and more in development, Astranis manages a commercial contract backlog of over $1 billion. The company has raised more than $750 million from leading investors, including Andreessen Horowitz, Blackrock, and Fidelity. The team of 450 engineers and entrepreneurs operates from a 153,000 sq. ft. headquarters in Northern California. Internship Overview The Mechanical Engineering Internship for Fall 2026 is a twelve-week, hourly position designed for students enrolled in a four-year university program. Interns join the engineering team to work on substantial, hands-on projects that impact Astranis satellites directly. Many past interns have contributed to hardware and software for the company’s first satellite, with several moving on to full-time roles at Astranis. Recent graduates are encouraged to apply for Associate Engineer positions instead. What You Will Do Work closely with engineers to design, build, and test satellite hardware and software. Design, evaluate, procure, assemble, and test structures, mechanisms, and bracketry for spacecraft, using a variety of manufacturing methods for both composite and metallic parts. Perform mechanical and thermal analyses on spacecraft systems. Integrate components and systems into spacecraft, collaborate on documentation, and help improve build processes for future projects.