Propulsion Engineer Intern - Fall 2026

Astranis Space Technologies Corp. is at the forefront of building cutting-edge satellites designed for high orbits, significantly expanding humanity's presence in the solar system. Our satellites deliver dedicated, secure networks to a diverse clientele—including large enterprises, sovereign governments, and the US military. With five satellites successfully operational and many more slated for launch, we are managing an impressive backlog exceeding $1 billion in commercial contracts.We are recognized as the preferred satellite communications partner, especially for clients with high standards for uptime, data security, network visibility, and customization. Backed by over $750 million in funding from distinguished investors, including Andreessen Horowitz, Blackrock, and Fidelity, our growing team of 450 skilled engineers and entrepreneurs operates from our expansive 153,000 sq. ft. headquarters in Northern California, USA.Internship Overview This internship is typically a twelve-week, hourly role aimed at students currently enrolled in a four-year university program. As a Propulsion Engineer Intern, you will tackle challenging projects that are critical to our mission. We pride ourselves on providing every team member, regardless of experience level, with the opportunity to contribute meaningfully to complex tasks. Many of our past interns have played key roles in designing and testing hardware/software for our satellites and have transitioned into full-time positions within our company.

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.

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.

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.

Astranis is at the forefront of satellite technology, developing cutting-edge satellites designed for high-orbit missions, which significantly extend humanity's presence in the solar system. Our satellites deliver dedicated, secure communication networks to a diverse range of high-profile clients, including large enterprises, sovereign nations, and the US military. Currently, we have five satellites operational in orbit and a robust pipeline of over $1 billion in commercial contracts awaiting launch.Astranis is recognized as the leading satellite communications partner for clients with rigorous demands for uptime, data security, network transparency, and tailored solutions. Backed by over $750 million in investments from top-tier firms like Andreessen Horowitz, Blackrock, and Fidelity, our team consists of 450 talented engineers and innovators dedicated to redefining the future of space communication. We design, build, and operate our satellites from our state-of-the-art 153,000 sq. ft. headquarters in Northern California, USA.Avionics Engineer Intern (Fall 2026)Our internships typically span twelve weeks and are structured as hourly positions aimed at students currently enrolled in a four-year university program.As an intern at Astranis, you will have the unique opportunity to tackle challenging problems and contribute significantly to our projects. We believe in empowering everyone at Astranis to engage in meaningful work, regardless of their experience level. Many previous interns have had the chance to design and test hardware/software for our inaugural satellite missions, and numerous have transitioned into full-time roles within the company.If you have already graduated from a four-year university, we encourage you to apply for our Associate Engineer positions.Role ResponsibilitiesCollaborate with the avionics engineering team to develop and test flight hardware.Design test equipment to validate designs under various stressed conditions.Assist in bringing up and debugging designs in a laboratory environment.Write code to assess performance and automate testing processes for satellite hardware.Support low-level software development for interfacing with various spacecraft subsystems.

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.

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.

Join Cloudflare as a Solutions Engineer Intern for Summer 2026! This is an exciting opportunity for aspiring engineers to gain hands-on experience working with cutting-edge technology in a dynamic and innovative environment. As a Solutions Engineer Intern, you will collaborate with our talented team to solve real-world problems and contribute to our mission of helping to build a better Internet.During your internship, you will have the chance to work directly with clients, understand their technical needs, and help develop solutions that meet those needs. This role is ideal for students pursuing a degree in Computer Science, Engineering, or a related field, who are passionate about technology and eager to learn.

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.

Join Cloudflare as a Security Engineer Intern for the summer of 2026! This is an exciting opportunity for students looking to gain hands-on experience in cybersecurity. As part of our team, you will work alongside seasoned professionals on projects that help protect our clients' digital assets and infrastructure.In this role, you will engage in various tasks such as analyzing security vulnerabilities, assisting in the development of security protocols, and contributing to incident response efforts. Your work will play a crucial role in maintaining the security posture of our services.

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.

Astranis is at the forefront of satellite technology, crafting advanced satellites that extend humanity’s reach into the solar system. Our satellites are designed to deliver dedicated and secure networks to a diverse range of clients, including large enterprises, governmental bodies, and the U.S. military. With five satellites successfully launched and a robust pipeline of more than $1 billion in commercial contracts, we are poised for significant growth.As a trusted partner in satellite communications, we cater to clients who demand high standards for uptime, data security, and network customization. Our impressive funding of over $750 million from top-tier investors like Andreessen Horowitz, Blackrock, and Fidelity allows us to employ a dedicated team of 450 innovative engineers and entrepreneurs at our state-of-the-art 153,000 sq. ft. headquarters in Northern California, USA.Backend Software Engineer Intern - Summer 2026Join our Platform team as a Software Engineer Intern, where you will design and develop services that autonomously control satellites, monitor telemetry for anomalies, and provide real-time situational awareness to ensure the safety and connectivity of our fleet. Your work will also encompass building critical components and services that empower our software organization, enabling all teams to operate more swiftly and reliably.This internship presents an exciting opportunity to contribute to both our commercial and U.S. government initiatives. Internships at Astranis typically last for twelve weeks and are tailored for students currently enrolled in a four-year university program. If you have already graduated, we invite you to apply for our Associate Engineer positions.

Astro-Mechanica is seeking a Senior Propulsion Development Engineer in San Francisco. This position centers on developing advanced propulsion systems for aerospace applications. Role overview The Senior Propulsion Development Engineer leads projects focused on new propulsion technologies. Work involves collaborating with teams from different disciplines to move designs from concept to implementation. The role requires hands-on involvement in both technical development and project leadership. Key responsibilities Guide the design and development of propulsion systems for aerospace use Lead and coordinate engineering projects with cross-functional teams Apply advanced technologies to meet evolving industry requirements Location This role is based in San Francisco.

Join Cloudflare as a Software Engineer Intern for Summer 2026 and embark on an exciting journey into the world of technology and innovation. As part of our dynamic team, you will have the opportunity to work on impactful projects, collaborate with experienced engineers, and gain hands-on experience in software development.

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 Cloudflare as a Technical Support Engineer Intern for Summer 2026! This exciting opportunity allows you to immerse yourself in the world of technical support while gaining hands-on experience with our innovative technologies. You will work alongside a talented team, assisting customers in troubleshooting technical issues and enhancing their experience with our products.

Join Cloudflare as a Technical Support Engineer Intern this summer! You will gain hands-on experience and work alongside our talented team to provide exceptional technical support to our customers. This internship will allow you to develop your problem-solving skills and learn about our cutting-edge technology in a dynamic environment.

ABOUT ASTRO MECHANICA:At Astro Mechanica, we are a pioneering aerospace firm dedicated to reshaping the future of high-speed travel. Our vision is to democratize supersonic flight, making it not only accessible but also sustainable and efficient. We believe that the future of global mobility is rapid, on-demand, and point-to-point. By integrating our cutting-edge airframe and engine technologies, including our proprietary Duality™ propulsion system, we aim to redefine the standards of commercial air travel. Currently, we are focused on developing adaptable, high-speed systems to enhance aircraft performance for governmental needs.OUR TEAM:Our team is composed of passionate engineers who are committed to advancing aerospace technology. We embrace a flat organizational structure that encourages collaboration and innovation, prioritizing engineering excellence over hierarchy. Our rapid pace and practical approach empower us to create effective solutions.YOUR ROLE:Astro Mechanica is seeking a highly skilled Propulsion Cycle Analysis Engineer to join our innovative team. The successful candidate will possess an in-depth understanding of complex system dynamics and will take charge of modeling the thermodynamic cycle of our novel engine architecture. Your contributions will directly influence the configuration and performance of our turboelectric adaptive jet engine.In this role, you will simulate the operational envelope of our groundbreaking jet engine, predict its behavior, and align simulations with real-world data. You will work closely with propulsion, aircraft, and test teams to conduct conceptual trade studies and deliver highly accurate predictions of engine performance. Attention to detail and a knack for solving intricate, interconnected challenges will be essential for your success.KEY RESPONSIBILITIES:Employ propulsion 1D thermodynamic cycle models (NPSS, PyCycle, GasTurb, Amesim) to forecast engine performance based on analytical maps and operational conditions.Enhance and uphold the accuracy of simulation models by anchoring them to historical and internally generated test data.Create automated tools to enhance functionality and improve user interface.Collaborate with engineering teams to conduct engine parameter sensitivity analyses and understand their implications on aircraft performance.

Astranis is at the forefront of expanding humanity’s presence beyond Earth through the development of advanced satellites designed for high orbits. Our satellites facilitate dedicated and secure networks for a diverse clientele, including major enterprises, governmental agencies, and the United States military. With five satellites currently in orbit and a robust pipeline, we are addressing a substantial backlog exceeding $1 billion in commercial agreements.As a trusted partner in satellite communications, Astranis caters to clients with high standards for reliability, security, network performance, and tailored solutions. With over $750 million raised from distinguished investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 skilled engineers and entrepreneurs operates from our expansive 153,000 sq. ft. headquarters in Northern California, USA.