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Experience Level
Mid to Senior
Qualifications
The ideal candidate will possess:A Bachelor’s degree in Aerospace Engineering or a related field.5+ years of experience in propulsion system design and analysis. Proficiency in propulsion simulation tools and methodologies. Strong problem-solving skills and the ability to work in a fast-paced environment. Excellent communication and teamwork abilities.
About the job
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.
About Astro-Mechanica
Astro-Mechanica is at the forefront of aerospace innovation, dedicated to developing and implementing advanced propulsion technologies. Our commitment to excellence and sustainability drives us to deliver high-performance solutions that redefine the limits of aerospace engineering.
Join Astro-Mechanica as a Propulsion Technician in our San Francisco office. In this dynamic role, you will be instrumental in the development and testing of propulsion systems for our cutting-edge aerospace projects. Collaborate with a talented team of engineers and scientists to innovate, troubleshoot, and ensure the highest standards of performance in our…
Astranis is at the forefront of satellite technology, developing advanced satellites for high orbits that extend humanity's reach into the solar system. Our satellites provide dedicated and secure networks to sophisticated clients globally, including large enterprises, government agencies, and the U.S. military. With five satellites successfully in orbit and many more set to launch, we are currently managing a backlog exceeding $1 billion in commercial contracts.As the preferred satellite communications partner for clients with rigorous requirements for uptime, data security, and customization, Astranis has successfully raised over $750 million from top-tier investors such as Andreessen Horowitz, Blackrock, and Fidelity. Our headquarters, spanning 153,000 square feet in Northern California, is home to a talented team of 450 engineers and entrepreneurs dedicated to designing, building, and operating state-of-the-art satellites.Role: Propulsion Technician, Tube BendingIn the role of Propulsion Technician, you will play a crucial part in the production of propulsion hardware. Your responsibilities will include operating and maintaining a cutting-edge CNC tube bender and various metal fabrication tools, as well as overseeing an inventory of space hardware.Program, operate, troubleshoot, and maintain a CNC Tube Bender along with other metal fabrication tools for aerospace applications.Prepare metal components for welding and/or assembly into micro-GEO satellites.Manage inventory and ensure material traceability for thousands of propulsion components.Conduct dimensional and quality inspections on propulsion components and assemblies.Adhere to processes and work instructions, complete necessary documentation, and provide constructive feedback.Identify and procure capital equipment, manage installations, and perform commissioning.Be versatile within the factory - learn new skills, assist other teams, and innovate the use of your talents.
Astranis is at the forefront of satellite technology, crafting advanced satellites designed for high orbits that significantly extend humanity’s reach into the solar system. Our satellites provide dedicated and secure networks to sophisticated clients worldwide, including large enterprises, sovereign governments, and the US military. With five satellites successfully in orbit and numerous upcoming launches, we have a robust backlog exceeding $1 billion in commercial contracts.Astranis has established itself as the go-to satellite communications partner for clients with stringent demands regarding uptime, data security, network visibility, and customization. Backed by over $750 million from premier investors such as Andreessen Horowitz, Blackrock, and Fidelity, our talented team of 450 engineers and entrepreneurs works diligently to design, build, and operate our satellites from our expansive 153,000 sq. ft. headquarters in Northern California, USA.Propulsion Test TechnicianAs a Propulsion Test Technician, you will play a pivotal role in ensuring that the hardware used to maneuver our satellites in orbit is fully operational. You will transition designs from the engineering desk to the testing stand, meticulously checking every valve, thruster, and propellant line to guarantee they are flight-ready. If you possess a passion for high-pressure systems and uphold a 'zero-fail' mentality, you will thrive in this dynamic environment.Key ResponsibilitiesExecute Proof and Burst testing utilizing high-pressure pneumatic (GN2, GHe) and hydrostatic systems.Conduct ultra-sensitive leak detection using helium sniffers or vacuum detection methods.Perform comprehensive functional tests on solenoid valves, regulators, and transducers, verifying cracking pressures and flow coefficients.Design and build custom test manifolds and ground support equipment (GSE).Install and calibrate pressure transducers, thermocouples, and flow meters; interface with DAQ systems to capture real-time test data.Diagnose the root causes of 'no-go' test outcomes by distinguishing between actual hardware failures and test setup anomalies.Uphold a pristine cleanroom environment and adhere strictly to safety protocols concerning high-pressure gases and hazardous propellants.Take ownership of the propulsion test cell, ensuring a clean, organized workspace in accordance with 5S standards.
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.
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.
Full-time|$145K/yr - $185K/yr|On-site|San Francisco
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.
Astranis develops advanced satellites positioned in high orbits, providing secure network access for a range of clients, including large enterprises, government agencies, and the U.S. military. The company has launched five satellites so far and continues to expand, with a commercial contract backlog exceeding $1 billion. Astranis operates from a 153,000 square foot headquarters in Northern California and has a team of 450 engineers and entrepreneurs. Investors include Andreessen Horowitz, Blackrock, and Fidelity, with total funding above $750 million. Role overview The Propulsion Engineer will focus on designing, evaluating, and testing in-space propulsion components and systems for Astranis satellites. Success in this role requires a solid understanding of propulsion theory, hands-on technical ability, and an eagerness to tackle new engineering problems. Experience with in-space propulsion, launch vehicles, or fluid systems is valuable but not strictly required. What you will do Oversee the entire lifecycle of fluid components, from defining requirements through to supporting on-orbit operations. Design, test, integrate, and operate satellite propulsion systems, with a focus on manufacturability and performance. Assist with manufacturing, integration, and testing of propulsion systems in both cleanroom and factory environments. Develop and refine design criteria to ensure successful delivery of flight hardware and test equipment. Take on additional related tasks as assigned. Location This role is based at Astranis headquarters in San Francisco.
Full-time|$115K/yr - $145K/yr|On-site|San Francisco
Astranis is at the forefront of satellite technology, designing and manufacturing advanced satellites for high orbits that expand humanity's reach into the solar system. Our satellites provide dedicated, secure networks to a diverse clientele, including large enterprises, sovereign governments, and the US military. With five satellites currently in orbit and many more scheduled for launch, we are managing a substantial backlog exceeding $1 billion in commercial contracts.As a leading satellite communications partner, we excel in meeting the stringent requirements of our clients concerning uptime, data security, network visibility, and customization. Backed by over $750 million in funding from renowned investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 dedicated engineers and entrepreneurs operates out of our expansive 153,000 sq. ft. headquarters located in Northern California, USA.Role OverviewIn the capacity of Propulsion Manufacturing Engineer, you will play a pivotal role in overseeing the production of the propulsion subsystem for our high-orbit satellites. Your responsibilities will include the assembly of propulsion components into a subsystem and the integration of that subsystem onto the satellite vehicle. This position is highly collaborative, requiring you to meet both stakeholder and industry standards while adhering to aggressive cost and schedule targets.Key ResponsibilitiesOversee the production of propulsion subsystems for high-orbit satellite applications.Design, build, or source all tooling and equipment necessary for the assembly of propulsion components and subsystems.Lead factory infrastructure improvements to enhance satellite production capabilities.Develop manufacturing processes that comply with rigorous internal and external standards.Collaborate closely with cross-functional teams to ensure timely delivery and quality of the subsystems.Participate in recruitment and hiring efforts to expand our dynamic team.QualificationsBachelor's Degree in Engineering or a related field.Experience in manufacturing or engineering roles, preferably in the aerospace sector.Strong problem-solving skills and the ability to work under tight deadlines.Excellent communication and teamwork abilities.
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.
Full-time|$145K/yr - $235K/yr|On-site|San Francisco
Astranis is looking for a Senior Propulsion Engineer to lead the design, construction, and testing of propulsion systems for its advanced satellites in San Francisco. This position plays a key part in developing new propulsion solutions and improving system performance for high-orbit missions. What you will do Drive the full lifecycle of propulsion system development, from initial design through build and testing. Develop new solutions to enhance propulsion system performance for Astranis satellites. Mentor and guide junior engineers on technical projects and day-to-day work. Support the assembly and production of satellites that expand network access to underserved regions. Role focus This role centers on hands-on engineering and technical leadership. The Senior Propulsion Engineer’s work has a direct impact on the reliability and performance of satellites that serve commercial, government, and military clients.
About Poseidon Aerospace:Poseidon Aerospace specializes in the design and operation of unmanned aircraft for both commercial logistics and defense applications. Our premier fleet includes two remarkable fixed-wing platforms: the Heron, a state-of-the-art seaplane, and the Egret, a Short Takeoff and Landing (STOL) aircraft, capable of carrying a payload of up to two tons across distances exceeding a thousand nautical miles. We are proud to be headquartered in San Francisco, with additional offices in Washington, DC, and Maine.As a Propulsion Engineer at Poseidon Aerospace, you will play a pivotal role in selecting, integrating, and validating powerplants across our diverse fleet, which includes MoGas, AvGas, and turboprop systems. Your expertise will contribute to the development of propulsion solutions that are not only reliable and efficient but also seamlessly integrated into our aircraft systems.
Full-time|$160K/yr - $195K/yr|On-site|San Francisco
Astranis is at the forefront of satellite technology, crafting advanced satellites designed for high orbits that extend humanity's reach into the cosmos. Our satellites currently deliver dedicated, secure networks to a diverse range of sophisticated clients, including major corporations, sovereign governments, and the U.S. military. With five satellites successfully launched and many more on the horizon, we are actively managing a commercial contract backlog exceeding $1 billion.Recognized as the premier satellite communications partner for clients with stringent demands for uptime, data security, network visibility, and customization, Astranis has garnered over $750 million in funding from top-tier investors, including Andreessen Horowitz, Blackrock, and Fidelity. Our headquarters in Northern California spans 153,000 square feet, where a talented team of 450 engineers and entrepreneurs designs, builds, and operates our cutting-edge satellites.Propulsion Test Team LeadAs the Propulsion Test Team Lead, you will spearhead the testing and fueling of our propulsion systems. You will guide and further develop a team of elite propulsion test engineers and technicians to ensure successful mission outcomes.Role ResponsibilitiesLead a team of propulsion test engineers and technicians responsible for testing satellite propulsion systems, including managing hiring and direct reports.Establish and uphold quality standards and processes for effective verification of unit-level and system-level hardware. Analyze non-conformances to identify root causes and formulate corrective action plans for system enhancements.Oversee daily propulsion test operations, including developing processes to allocate and monitor work across production and development testing programs.Foster a culture of safety and quality throughout the work environment.Assess proposed designs for testability and collaborate closely with design engineering teams to facilitate factory output growth targets of up to 24 vehicles annually.Develop, maintain, and communicate detailed schedules, ensuring team members and stakeholders are informed of tasks and deadlines while identifying and acquiring necessary resources.Manage the test infrastructure required for current and next-generation propulsion systems, including factory layout, safety equipment, and test beds.Engage hands-on with flight hardware alongside your team to guarantee mission success.Develop ironbirds (test beds) for conducting flight-like development and qualification testing.
Full-time|$150K/yr - $210K/yr|On-site|San Francisco
Astranis is at the forefront of satellite technology, creating advanced satellites that extend humanity’s reach into the cosmos. Our satellites are designed to provide dedicated, secure networks for discerning clients worldwide, including major corporations, government agencies, and the US military. With five satellites currently in orbit and several more scheduled for launch, we are poised to fulfill over $1 billion in commercial contracts.As the trusted satellite communications partner for clients with high standards for uptime, data security, network visibility, and customization, Astranis has raised over $750 million from leading investors like Andreessen Horowitz, Blackrock, and Fidelity. Our team of 450 engineers and innovators works from our 153,000 square foot headquarters in Northern California, USA, to design, build, and operate our cutting-edge satellites.Position OverviewAs a Senior Technical Project Manager at Astranis, you will be pivotal in steering the propulsion, mechanical, and thermal engineering efforts across all our projects. Your role will encompass guiding projects from inception to completion, ensuring alignment with objectives, adherence to timelines, and budget compliance. This position requires extensive collaboration across various functions and the ability to adapt to challenges throughout the project lifecycle.
Join StemXpert1 as a Dell Driving Technician / Field Service Technician in San Francisco. In this dynamic role, you will be responsible for delivering top-notch technical support and service to our clients. Your expertise will help maintain and enhance the performance of Dell products on-site, ensuring customer satisfaction and operational excellence.
Full-time|$53K/yr - $78K/yr|On-site|San Francisco, CA
About the TeamAt DoorDash Labs, we are a pioneering team dedicated to the development of autonomous delivery robots and innovative automation solutions that enhance DoorDash's core delivery platform. If you are enthusiastic about integrating AI and robotics into services utilized by millions, we would love to hear from you!Please Note: This position is located in San Francisco, CA, and requires in-person attendance five days a week.About the RoleWe are on the lookout for a talented Lead Composite & Prototype Technician to join our Prototype Integration (PI) Team. In this role, you will be the leading expert on advanced materials, crafting lightweight, high-strength structural components essential for our robotic systems. This position involves hands-on craftsmanship, demanding a high level of precision in layup techniques and tooling preparation. Once fabrication objectives are met, you will transition to assist the team as a Prototype Technician, contributing to the assembly and upkeep of complex electromechanical systems.You’re excited about this opportunity because you will…Conduct tooling preparation for lamination processes.Organize and prepare composite materials prior to lamination.Apply composite materials to molds or tooling surfaces using hand layup and automated techniques.Ensure ply orientation, thickness, and material consolidation meet specifications.Utilize advanced vacuum bagging methods for composite layup operations including Pre-Preg, Infusion, and Wet/Vacuum Bag Lamination.Mix and apply epoxy resins, fairing compounds, and industry-standard paints for structural and finishing applications.Interpret engineering drawings, blueprints, and technical specifications to guarantee build accuracy.Safely operate a range of power tools such as sanders, drills, and routers for extended periods.Manage specialized shop infrastructure and maintain equipment.
Join Astranis as an Assembly, Integration, and Test Technician, where you will play a crucial role in our cutting-edge satellite technology projects. You will work closely with engineers and other technicians to assemble, integrate, and test satellite systems, ensuring they meet the highest standards of quality and performance.
Join Physical Intelligence as a Robotics Service Technician, where you will be integral to the maintenance of our cutting-edge robotic systems. In this pivotal role, you will oversee both electrical and mechanical maintenance of our robotic platforms, ensuring optimal performance and minimizing operational downtime. Your expertise in troubleshooting, diagnostics, and hands-on repairs will be essential to our success.The ideal candidate possesses a strong blend of mechanical and electrical repair skills, demonstrates meticulous attention to detail, and thrives in a fast-paced, high-tech environment.
ABOUT US:At Astro Mechanica, we are pioneering a new era in aerospace innovation. Our vision is to revolutionize high-speed flight, creating a future where supersonic travel is not only feasible but also sustainable and accessible to everyone. We are committed to transforming global mobility, making it as efficient as commercial air travel today. By integrating our cutting-edge airframe and propulsion technologies, including our unique Duality™ system, we aim to close performance gaps in aircraft for the United States government and beyond.WHO WE ARE:Our team consists of dedicated and passionate engineers who thrive on innovation in aerospace. With a blend of generalist knowledge and specialized skills, we foster a collaborative and flat organizational culture that prioritizes engineering excellence over hierarchy. We embrace a fast-paced environment and value practicality in our work.WHO YOU ARE:We are looking for a Mechanical Engineer to become an integral part of our dynamic team. The successful candidate will take full ownership of hardware design processes from initial concept to production, understanding the intricate interactions with surrounding systems. You will tackle technical challenges using fundamental principles, with your contributions directly influencing the design and performance of the Duality™ engine.In this role, you will be responsible for designing, analyzing, and validating key propulsion systems through all stages, from early prototyping to flight qualification and integration. Your approach will reflect our philosophy of testing under realistic conditions.WHAT YOU’LL DO:Engage in design trade studies while considering system-level impactsExecute detailed design work and support it with structural, thermal, and fluid analysesConduct design reviews and actively seek stakeholder feedbackBuild prototypes, design necessary tooling, and create work instructionsPerform hardware testing and analyze results to ensure compliance with performance metrics and requirementsIdentify hardware issues efficiently and determine appropriate corrective actions
About UsAt Physical Intelligence, we are revolutionizing the integration of general-purpose AI into the physical realm. Our diverse team of engineers, scientists, roboticists, and innovators is dedicated to creating foundational models and advanced learning algorithms that will drive today's robots and shape the physically-actuated technologies of tomorrow.Your RoleAs a Robot Prototype Technician, you will work hand-in-hand with our robot design engineers to build, test, and enhance early-stage robotic systems. Your expertise in assembly, fabrication, electronics, and troubleshooting will be crucial in constructing initial robot designs, identifying areas for improvement, and proposing effective solutions for enhancing build quality, maintenance, and repair processes. You will be an integral part of the robot fleet team within the PI Hardware Organization.Key ResponsibilitiesFabrication and Assembly: Construct mechanical and electrical prototypes utilizing tools such as 3D printers, soldering equipment, and machining tools. Accurately interpret mechanical drawings, electrical schematics, and wiring diagrams for prototype assembly.Repair and Maintenance: Troubleshoot and repair mechanical components like actuators, motors, gearboxes, and other moving parts, as well as electrical systems including wiring, circuits, sensors, and control systems.Troubleshooting and Testing: Execute basic functional tests and troubleshoot failures, providing engineering feedback to enhance prototype designs. Use diagnostic tools, multimeters, and oscilloscopes to test electrical systems.Collaboration: Collaborate effectively with hardware design engineers to iterate designs based on experimental results and suggest improvements for ease of assembly, repair, and maintenance.
Who We Are:Aurelius Systems is an innovative defense technology startup backed by venture capital, dedicated to developing autonomous, edge-deployed directed energy systems for countering unmanned aerial systems (UAS). Our mission is to engineer effective laser weapon systems capable of neutralizing drones.Comprising a tight-knit team of around 10 engineers, former U.S. military personnel, and industry specialists, we are committed to enhancing America’s capabilities in directed energy technology. Our focus is to deliver the first cost-effective, reliable, and robust laser weapon systems.Inspired by Marcus Aurelius’s teachings on diligent work and Henry Ford’s revolutionary approach to manufacturing, we embrace a culture of high output and minimal excuses. We operate with agility and resilience.In addition to our lab in San Francisco, we also operate a manufacturing hub in Detroit, where we conduct field tests on our expansive 400-acre private range.If you're a technician who prefers hands-on work in a dynamic environment rather than a typical lab setting, we encourage you to continue reading.The Role and Your Impact:We are seeking a proactive Hardware Technician who can transform drawings, schematics, and preliminary concepts into functional hardware swiftly. You will not be constrained by the need for perfect documentation; instead, you will be the key individual who innovates, constructs, troubleshoots, and refines processes to expedite future builds.Your contributions will play a crucial role in accelerating the development of our systems. Speed is of the essence, and your expertise will be a force multiplier.What You'll Own:Assemble, wire, and integrate electromechanical systems and prototypes under tight design timelines, primarily for custom hardware.Construct and modify mechanical assemblies, wiring harnesses, cable assemblies, and testing rigs and fixtures.Facilitate rapid iterations by adjusting designs in response to challenges, suggesting assembly techniques, executing engineering change requests, and resolving physical issues.Operate and maintain laboratory equipment, tools, and prototyping facilities.Provide support to engineers during initial setups, debugging sessions, and field testing at our range.Thoroughly document builds, revisions, and insights gained for clarity and efficiency in future projects.Ensure the lab remains clean, organized, and safe for all team members.What We're Looking For:A minimum of 2 years of hands-on experience as a hardware technician, lab technician, or in a similar role.Strong practical knowledge of electromechanical systems.
