Junior Software Engineer at Mechanize | San Francisco

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.

Join Notion Labs Inc. as a Software Engineer Intern for the Fall 2026 semester! This is an exciting opportunity to work in a dynamic environment where you will contribute to innovative projects and gain hands-on experience with cutting-edge technologies.As an intern, you will collaborate with our talented engineering team to develop and improve our software solutions. You'll have the chance to enhance your skills in programming, problem-solving, and teamwork while making a real impact in our organization.

At Mechanize, we specialize in developing reinforcement learning (RL) environments that empower AI models to execute real-world tasks efficiently. Our mission is to drive the complete automation of the economy, providing innovative solutions to leading AI laboratories. Discover more about our work at mechanize.work.As a Senior Software Engineer at Mechanize, you will contribute to the creation of RL environments that are pivotal in the field of AI model training. Ideal candidates will have 2-5 years of software engineering experience with proficiency in Python programming. Previous experience in machine learning or AI is not a prerequisite.For insights on our interview process, visit: Interview Process at Mechanize.

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.

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.

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.

Join Handshake as a Student Researcher for the Fall 2026 semester! This exciting role offers you the chance to contribute to innovative research projects while gaining valuable experience in a dynamic environment. As a Student Researcher, you will work closely with leading professionals, enhance your analytical skills, and immerse yourself in real-world applications of your studies.

At Mechanize, we are pioneering the development of Reinforcement Learning (RL) environments tailored to train AI models for real-world applications. Our ambition is to facilitate the complete automation of the economy, partnering with leading AI laboratories. Discover more at mechanize.work.As a Software Engineering Intern at Mechanize, you will play a pivotal role in assisting our team to develop these groundbreaking RL environments. If you have a solid command of Python programming and possess a keen intellect, we would love to hear from you.We are currently seeking interns for Winter 2026, Spring 2026, and Summer 2026.No prior experience in machine learning or AI is necessary.Curious about our interview process? Learn more here: https://www.mechanize.work/how-our-interview-process-works/

Join mechanize as a Senior Software Engineer, where you'll contribute to innovative software solutions that shape the future of technology. In this role, you will lead projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality software products. Your expertise will drive architectural decisions and enhance our development processes.

About Atomic SemiAtomic Semi is at the forefront of advancing semiconductor manufacturing with a focus on building a compact, agile fabrication facility.Leveraging current technology and innovative simplifications, we are determined to create our own tools for rapid iteration and enhancement.Our exceptional team comprises a diverse array of engineers specializing in mechanical, electrical, hardware, computer, and process engineering. Together, we are committed to owning the entire stack from atomic structures to architectural designs. We thrive on optimism and are eager to push the boundaries of technological innovation.We believe in the motto: smaller is better, faster is better, and building it ourselves is better.Our lab is equipped with advanced 3D printers, an extensive selection of microscopes, e-beam writers, and general fabrication tools. If we identify any gaps, we will invent the necessary solutions.Founded by Sam Zeloof and Jim Keller, Atomic Semi is driven by a passion for innovation. Sam gained recognition for his garage-built chips, while Jim boasts over 40 years of leadership in the semiconductor sector.About the RoleWe are seeking enthusiastic Mechanical Engineering Interns for the upcoming fall term, commencing in September. The internship requires a commitment of 4 to 8 months. As we reconstruct the chip fabrication process from the ground up, you will engage in significant and meaningful projects. Our engineering endeavors span multiple disciplines including structures, optics, robotics, heat transfer, physics, and chemistry. As a startup, we provide interns with substantial ownership and critical missions.The ideal candidate will have practical experience in at least one of these domains and broad exposure to others. Our philosophy emphasizes rapid prototyping and testing—projects should be built and evaluated in days or weeks, not months. To apply, a portfolio showcasing your completed projects is required. If you have successfully delivered a medium-to-high complexity system through personal projects or prior internships, you would be an excellent fit for our team.

Are you ready to take on a pivotal role in shaping the future of technology? As a Technical Program Manager Intern at Cloudflare, you will collaborate with a dynamic team of professionals dedicated to enhancing internet security and performance. This internship offers a unique opportunity to gain hands-on experience in managing technical projects that impact millions of users worldwide. Join us for the summer of 2026 and immerse yourself in a vibrant work environment where innovation and creativity thrive. Your contributions will play a key role in delivering exceptional solutions that keep our clients' digital experiences secure and efficient.

Available Start Dates: Summer 2026About the RoleJoin a team of dynamic professionals at AlphaSights, dedicated to facilitating informed decision-making for our clients. As a Legal & Compliance Associate, you will be part of our esteemed global Client Protection team. This role involves collaborating closely with our core service delivery teams to uphold the highest compliance standards while promoting AlphaSights' continued commercial success. Your responsibilities will include monitoring client requests, developing and implementing innovative compliance policies, anticipating potential business challenges, training employees, and providing essential guidance to our delivery teams.This position demands quick thinking, critical analysis, meticulous attention to detail, and exceptional verbal and written communication skills. You will be managing multiple short- and long-term requests simultaneously, honing your abilities in communication, prioritization, and project management.Key Responsibilities:Monitor active projects to identify and mitigate potential risks.Offer guidance to delivery teams on their project tasks.Collaborate with regional and global teams on long-term projects to establish cutting-edge industry standards in this rapidly evolving sector.Work with key internal stakeholders worldwide to foster progress and enhance procedures.Design and implement global operational policies and processes that safeguard our clients.Create and deliver customized in-person and e-learning training sessions for our delivery teams.This fast-paced, cross-functional role emphasizes problem-solving, attention to detail, creativity, innovation, and results. Successful Legal & Compliance Associates at AlphaSights often advance into rewarding careers in compliance, risk management, or operational leadership.

Join Cloudflare as a Technical Program Manager Intern for Summer 2026! This is an exciting opportunity to work with one of the leading web infrastructure and security companies. As an intern, you will collaborate with cross-functional teams, engage in project management activities, and help drive innovation in our technical initiatives.

Join us as a Program Operations Analyst Intern this Summer 2026 at Cloudflare, where you'll be immersed in our mission to help build a better internet. In this role, you will collaborate with various teams to streamline operations and enhance project management processes. You'll gain invaluable experience in data analysis, strategic planning, and operational efficiency, all while contributing to meaningful projects that impact our global customer base.

Astranis designs and builds advanced satellites for high orbits, supporting secure and dedicated networks for enterprises, government agencies, and the US military. With five satellites already in operation and a busy launch schedule ahead, Astranis manages a commercial contract backlog exceeding $1 billion. The company operates from a 153,000 sq. ft. headquarters in Northern California and is backed by more than $750 million in funding from investors such as Andreessen Horowitz, Blackrock, and Fidelity. The team consists of 450 engineers and entrepreneurs dedicated to satellite innovation. The Environmental Test Engineer Associate role in San Francisco is a salaried, twelve-week position for Fall 2026. This opportunity is open to those who have completed a bachelor’s degree or expect to do so before the start date. Associates take on meaningful projects, often handling responsibilities similar to those of full-time engineers. Many past associates have contributed to hardware and software now flying on Astranis satellites, with several moving into full-time roles after the program. 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 skills with testing instruments such as thermal chambers, vibration tables, data acquisition systems (DAQs), and oscilloscopes to execute test plans. Carry out environmental testing, including vibration, acoustics, and thermal analysis. Requirements Bachelor’s degree completed or expected before Fall 2026 start date Interest in satellite hardware and software testing Willingness to work onsite in San Francisco

Astranis builds advanced satellites for high orbits, supporting secure and reliable communications for clients ranging from large corporations to government agencies and the US military. With five satellites already in orbit and a growing backlog of commercial contracts, the company continues to expand its presence in the satellite communications field. Astranis operates from a 153,000 sq. ft. headquarters in Northern California and is backed by over $750 million from investors including Andreessen Horowitz, Blackrock, and Fidelity. Role overview The Communications/DSP Associate Engineer position is a twelve-week, salaried role designed for recent graduates of four-year universities. Associates work on meaningful projects, often designing and testing both hardware and software for satellites. Many associates have gone on to accept full-time positions at Astranis. Candidates who have not yet graduated from a four-year university are encouraged to consider the Internship program instead. What you will do Design signal processing algorithms for custom software-defined radio hardware, including tasks such as channelization, equalization, PA linearization, gain control, carrier synchronization, symbol mapping, framing, and channel coding/FEC. Work closely with FPGA developers to implement and validate signal processing on radio hardware. Model the full radio system, covering communication from Earth to space and back. Perform radio architecture trade studies, complete link budgets, and optimize radio systems for performance across different global markets and applications.

Astranis Space Technologies Corp. builds advanced satellites for high orbits, delivering secure networks to clients such as large enterprises, governments, and the US military. With five satellites already in orbit and more scheduled for launch, Astranis is meeting a commercial contract backlog of over $1 billion. The company operates from a 153,000 sq. ft. headquarters in Northern California and has raised more than $750 million from investors including Andreessen Horowitz, Blackrock, and Fidelity. The FPGA Associate role in San Francisco is a twelve-week, salaried position designed for recent graduates from four-year universities. Associates work directly on challenging projects, often contributing to hardware and software that will be used in space. Many former associates have moved into full-time roles at Astranis. Those who have not yet graduated from a four-year university are encouraged to consider the Internship program instead. What you will do Develop RTL for FPGA-targeted applications Work with multiple FPGAs and associated toolchains Interface FPGAs with peripherals such as high-speed data converters, memories, and microcontroller units (MCUs) Write software to interface with and test RTL in hardware Collaborate with electrical and software engineers Requirements B.S. or M.S. in Electrical Engineering, Computer Science, Computer Engineering, or a related field Strong interest in hardware development and hands-on design Experience designing, implementing, and testing high-throughput systems on FPGAs Proficiency with Verilog and/or VHDL Familiarity with FPGA development tools and methodologies

Astranis builds advanced high-orbit satellites that support secure communication networks for clients ranging from major corporations to government and military organizations worldwide. With five satellites launched and a commercial contract pipeline exceeding $1 billion, the company continues to expand its impact in satellite technology. Astranis has secured over $750 million in investment from firms such as Andreessen Horowitz, Blackrock, and Fidelity. The San Francisco headquarters houses a team of 450 engineers in a 153,000-square-foot facility. Role overview The Flight Software Associate program is a twelve-week position for recent graduates and graduate students from accredited four-year universities. This role offers hands-on experience working on complex satellite projects. Many associates have contributed to both hardware and software design and testing, with several moving into full-time roles after the program. What you will do Work closely with the engineering team to design, develop, and test embedded software for satellites. Support the creation and testing of ground control and related applications.

Role overview The Associate Mechanical Engineer will support public projects that shape San Francisco’s infrastructure and daily operations. This position plays a part in improving systems and facilities that serve residents and visitors throughout the city. Who this role suits This opportunity is designed for early-career professionals who are interested in mechanical engineering and want to make a difference through public service. The work contributes to the city’s ongoing development and maintenance, offering a chance to be involved in projects with a visible impact on the community.