Composite Technician at Poseidon Aerospace | San Francisco

About Poseidon Aerospace:Poseidon Aerospace is at the forefront of innovation, specializing in the design and operation of unmanned aircraft for commercial logistics and defense applications. Our flagship platforms, the Heron seaplane and the Egret STOL aircraft, are capable of transporting two tons of payload over distances exceeding a thousand nautical miles. With our headquarters in the vibrant city of San Francisco and additional offices in Washington, DC and Maine, we are committed to advancing the future of aerospace technology.This program is a full-time, in-person position based in San Francisco.The Maine Composites Bridge program aims to bolster Maine's industrial future by providing local composite technicians the chance to engage in advanced aerospace manufacturing at Poseidon's headquarters. By leveraging Maine's rich tradition in naval manufacturing, participants will acquire hands-on experience with state-of-the-art aerospace technologies before returning to apply their newly acquired skills within Maine's manufacturing landscape.About the Role:As a Composite Technician, you will play a crucial role in the fabrication and assembly of advanced composite components for aerospace prototype and development projects. This position demands a deep understanding of composite materials, custom tooling, and hands-on manufacturing techniques. We seek a proficient fabricator capable of interpreting engineering designs, creating tooling as needed, and managing both unique and high-volume composite builds from inception to completion.

About Poseidon Aerospace:At Poseidon Aerospace, we are pioneers in the development and operation of unmanned aerial vehicles designed for commercial logistics and defense applications. Our flagship platforms, including the Heron seaplane and the Egret short takeoff and landing (STOL) aircraft, are capable of transporting payloads of up to two tons across distances exceeding one thousand nautical miles. Based in San Francisco, our company also maintains satellite offices in Washington, DC, and Maine, enabling us to support our growing operations.As an Aerospace Engineer, you will play a vital role in defining the aerodynamic and performance attributes of our state-of-the-art composite aircraft. Your responsibilities will encompass computational fluid dynamics (CFD) modeling, aerodynamic optimization, performance assessments, and test data correlation. You will be instrumental in translating flight objectives—such as speed, range, and fuel efficiency—into viable aircraft designs. This position combines rigorous analytical tasks with practical testing and requires close collaboration with our design and manufacturing teams.

About Poseidon Aerospace:Poseidon Aerospace is a pioneering company specializing in the development and operation of unmanned aerial vehicles designed for commercial logistics and defense operations. Our flagship aircraft, including the Heron seaplane and the Egret STOL aircraft, are engineered to carry payloads of up to two tons over distances exceeding one thousand nautical miles. With our headquarters located in San Francisco and additional offices in Washington, DC, and Maine, we are at the forefront of innovation in aerospace technology.Role OverviewWe are actively seeking a highly skilled Director of Certification to spearhead Poseidon’s aircraft certification and airworthiness initiatives as we advance our unmanned, runway-independent logistics platforms. In this pivotal role, you will be responsible for defining and implementing the regulatory strategy that integrates engineering, flight testing, and operational decisions with a robust approval framework. Your efforts will ensure that our development and testing initiatives yield substantial certification evidence. This role is crucial for how Poseidon engages with regulators, organizes flight test campaigns, and mitigates risks associated with future operational approvals. Your primary focus will be to create a comprehensive certification plan that guarantees our aircraft are designed, tested, and documented effectively while preserving program momentum and regulatory integrity.

About Poseidon Aerospace:Poseidon Aerospace is at the forefront of innovation, specializing in the design and operation of unmanned aircraft for commercial logistics and defense purposes. Our flagship platforms, the Heron seaplane and the Egret STOL aircraft, are engineered to transport up to two tons of payload over distances exceeding a thousand nautical miles. Based in San Francisco, we also have satellite offices in Washington, DC, and Maine, fostering a dynamic work environment focused on cutting-edge aerospace technology.Join Our Team:We invite aspiring engineers with less than a year of full-time, post-graduation experience to apply for our Mechanical Engineer (New Graduate) position. This is an excellent opportunity to launch your career in a thriving industry.Your Role:As a Mechanical Engineer, you will play a pivotal role in designing the structural and mechanical systems essential for the functionality and manufacturability of our composite aircraft. Your responsibilities will encompass CAD design, mechanism development, and finite element analysis, all aimed at creating lightweight and reliable structures suitable for flight and marine environments. This position requires a combination of analytical thinking and hands-on collaboration with our manufacturing, aerodynamics, and testing teams to transition designs from concepts to tangible flight hardware.

About Poseidon Aerospace:Poseidon Aerospace specializes in the design and operation of cutting-edge unmanned aircraft systems, catering to both commercial logistics and defense sectors. Our two innovative fixed-wing platforms, the Heron seaplane and Egret STOL aircraft, are capable of transporting up to two tons of payload across distances exceeding a thousand nautical miles. With our headquarters based in San Francisco and satellite offices located in Washington, DC, and Maine, we are at the forefront of aerospace technology.As a Flight Operations Engineer, you will play a pivotal role in orchestrating and supervising flight operations for our state-of-the-art autonomous aircraft. Your responsibilities will encompass leading developmental and operational flight testing, serving as the Remote Pilot in Command (RPIC), while ensuring meticulous coordination of test logistics, flight procedures, and safety protocols. This position merges engineering expertise with aviation, necessitating a thorough understanding of Remotely Piloted Aircraft Systems (RPAS) and the capability to translate technical goals into secure, efficient, and repeatable flight operations.

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.

About Poseidon Aerospace:Poseidon Aerospace specializes in the design and operation of unmanned aircraft systems aimed at enhancing commercial logistics and defense operations. Our flagship platforms, the Heron seaplane and the Egret STOL aircraft, are engineered to transport payloads up to two tons across distances exceeding a thousand nautical miles. With our headquarters located in San Francisco and additional offices in Washington, DC and Maine, we are at the forefront of aerospace innovation.As a Composites Engineer, you will play a crucial role in the integration of design and fabrication processes for cutting-edge aerospace structures. This hands-on position will have you developing and refining composite manufacturing techniques, tooling, and assembly methods essential for creating both prototype and production airframe components. The ideal candidate will showcase exceptional problem-solving abilities and project management prowess, blending engineering principles with practical, shop-floor experience. You will thrive in both CAD environments and on the production floor, actively assisting technicians, resolving issues, and enhancing build methodologies in real-time.

About Poseidon Aerospace:Poseidon Aerospace specializes in the design and operation of unmanned aircraft for both commercial logistics and defense operations. Our flagship models, the Heron (a seaplane) and the Egret (a short takeoff and landing aircraft), are capable of transporting up to two tons of payload across distances exceeding a thousand nautical miles. Our main headquarters is located in San Francisco, complemented by satellite offices in Washington, DC, and Maine.As a Composite Technician, you will play a pivotal role in the creation and assembly of high-performance composite components for our aerospace prototype and development initiatives. This position demands a comprehensive understanding of composite materials, custom tooling, and practical manufacturing techniques. The ideal candidate is an adept fabricator who can translate engineering specifications into tangible products, develop necessary tooling or jigs, and manage both unique and high-volume composite production from inception to completion.

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 Poseidon Aerospace:At Poseidon Aerospace, we specialize in the design and operation of unmanned aircraft tailored for commercial logistics and defense applications. Our state-of-the-art fixed-wing platforms, including the Heron seaplane and the Egret STOL aircraft, are engineered to transport payloads of up to two tons across distances exceeding a thousand nautical miles. With our headquarters in the vibrant city of San Francisco and additional offices in Washington, DC and Maine, we are at the forefront of aviation innovation.As a Test Engineer, you will spearhead the comprehensive testing processes for our unmanned cargo aircraft. This role involves defining test objectives, executing hardware and flight tests, and analyzing data to ensure optimal performance and safety. A systems-level understanding of aircraft designs coupled with a structured testing approach is essential to translate complex data into actionable insights.

About Poseidon Aerospace:At Poseidon Aerospace, we specialize in the design and operation of unmanned aircraft tailored for commercial logistics and defense applications. Our innovative fixed-wing platforms, including the Heron seaplane and the Egret STOL aircraft, are engineered to transport payloads of up to two tons over distances exceeding a thousand nautical miles. Based in San Francisco, we also maintain satellite offices in Washington, DC, and Maine.As a Manufacturing Engineer, you will play a crucial role in the creation and machining of tooling that transforms our composite aircraft concepts into reality. You will oversee the entire process from CAD design to CAM programming, ensuring the production of precise jigs and fixtures within project timelines. We are looking for a hands-on engineer who can quickly convert design specifications into accurate tooling solutions.

At Mechanize, we are on a mission to revolutionize the economy through the automation of real-world tasks. We specialize in building reinforcement learning (RL) environments designed to enhance AI models, enabling them to tackle complex challenges. Our innovative solutions are trusted by leading AI laboratories. Discover more about our work at mechanize.work.As a Junior Software Engineer at Mechanize, you will play a key role in developing RL environments that cater to the needs of the top AI labs. This position is ideal for individuals who are nearing graduation or have 0-2 years of experience in software engineering, and possess proficiency in Python programming.Prior experience in machine learning or AI is not a requirement.Curious about our interview process? Learn more about it here.

Astranis is at the forefront of aerospace innovation, crafting cutting-edge satellites designed for high orbits, thereby extending humanity's capabilities into the cosmos. Our satellites deliver dedicated and secure networks to a diverse clientele that includes large corporations, government entities, and the U.S. military. With five satellites currently in orbit and several more set to launch imminently, we are addressing a robust backlog exceeding $1 billion in commercial contracts.As the go-to partner for satellite communications, Astranis caters to clients with demanding needs for uptime, data security, network visibility, and customization. Having secured over $750 million in funding from esteemed investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 skilled engineers and entrepreneurs thrives in our 153,000 sq. ft. headquarters located in Northern California.Senior Mechanical Engineer - RF PackagingIn the role of Senior Mechanical Engineer for Electronics Packaging at Astranis, you will take full ownership of the lifecycle of various components and subsystems aboard our spacecraft. Collaborating with multiple teams, you will implement incremental improvements and introduce new systems to fruition.Beyond your individual contributions, you will mentor and guide junior mechanical engineers through these projects. A robust problem-solving mindset, hands-on testing capabilities, and preferably experience in spacecraft or aerospace engineering are essential for success in this role.

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.

Astranis is at the forefront of satellite technology, designing and launching advanced satellites that push the boundaries of human exploration into the cosmos. Our spacecraft provide dedicated, secure networks for a diverse range of elite clientele, including large corporations, government entities, and the U.S. military. With five satellites successfully in orbit and an exciting pipeline of launches ahead, we are addressing a robust backlog of over $1 billion in commercial contracts.Astranis has emerged as the go-to partner for satellite communications, meeting the high standards of clients who demand exceptional uptime, data security, network visibility, and tailored solutions. Having secured over $750 million in funding from industry-leading investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 dedicated engineers and entrepreneurs is passionate about revolutionizing satellite technology from our expansive headquarters in Northern California.Mechanical EngineerAs a Mechanical Engineer at Astranis, you will play a pivotal role in the design, evaluation, testing, and assembly of spacecraft components and mechanical systems. A strong problem-solving aptitude, hands-on experience, and a passion for innovative design are essential. Experience with spacecraft, mechanisms, or composites is advantageous but not mandatory.ResponsibilitiesDesign, evaluate, procure, assemble, and test primary structures, bracketry, and mechanisms for Astranis spacecraft. This includes components made from both composite and metallic materials, utilizing various manufacturing processes.Develop specifications for components and systems, including load requirements, interfaces, and functional criteria.Conduct mechanical and thermal analysis for spacecraft systems to ensure optimal performance.Collaborate with team members to integrate components and systems into the spacecraft, while documenting and refining processes to enhance future builds.

Impulse is a San Francisco-based team of engineers, designers, and innovators dedicated to making sustainable choices at home more accessible and appealing. The company focuses on designing high-performance products that support scalable home electrification and blend seamlessly into daily routines. As a VC-backed startup, Impulse is laying the groundwork for lasting change in a pivotal industry and welcomes those who want to help shape its future. Role overview The Mechanical Engineer will work from Impulse’s headquarters in the Design District of San Francisco. This role centers on designing, architecting, and supporting the manufacturing of new products. Collaboration is key: expect to work closely with software developers, product managers, and company leadership. Regular on-site presence is required, though working remotely 1-2 days per week may be possible for the right candidate. What you will do Develop hardware products as part of a growing company with a forward-looking mission. Create durable architectures that shape both current and future product lines. Work with cross-functional teams throughout product definition and development. Build and test functional prototypes to refine designs. Engage in hands-on design and testing of new and experimental technologies. Support ongoing production and improvement efforts, focusing on design and manufacturing processes for both existing and upcoming products. Contribute to bringing production-ready devices to market. Oversee volume manufacturing for a new category of products. Requirements Minimum of 7 years’ experience in mechanical engineering. Demonstrated success developing and launching high-quality products in consumer electronics, automotive, or IoT sectors. Advanced skills in mechanical CAD software, particularly SolidWorks. Strong communication abilities, including explaining complex technical concepts to varied audiences. Location This position is based in the Design District of San Francisco, CA. Regular commuting to the San Francisco HQ is expected. While on-site work is preferred, some remote work (1-2 days per week) may be considered.

Join our dynamic team at Plaud Technologies as a Mechanical Engineer. We are seeking a highly motivated individual to contribute to innovative engineering solutions. You will be responsible for designing, analyzing, and implementing mechanical systems that enhance our products and services.The ideal candidate will have a strong foundation in mechanical engineering principles, experience with CAD software, and a passion for problem-solving. If you're looking to make a significant impact in a collaborative environment, we want to hear from you!

Company Overview:At Specter, we are pioneering a groundbreaking software-defined control plane tailored for the physical world. Our mission begins with safeguarding American enterprises by providing them with unparalleled insight into their physical assets.We are developing an interconnected hardware-software ecosystem built on advanced multi-modal wireless mesh sensing technology, significantly reducing the cost and time required to deploy sensors by a factor of 10. Our platform aims to serve as the perception engine for a company’s physical presence, facilitating real-time visibility of perimeters and enabling autonomous operations management.Founded by passionate innovators, Xerxes and Philip, who bring experience from leading organizations like Anduril, Tesla, Uber, and the U.S. Special Forces, we are a rapidly expanding team committed to empowering our partners in the evolving landscape of physical AI and robotics.

About Atomic SemiAtomic Semi is pioneering the development of a compact, high-speed semiconductor fabrication facility.Utilizing current technology and a few strategic simplifications, we are set to construct the tools ourselves to enable rapid iteration and enhancement.Our goal is to assemble a small, elite team of hands-on engineers across various disciplines—mechanical, electrical, hardware, computer, and process engineering—to take ownership of the entire technology stack from atoms to architecture. We are optimistic about the future and committed to pushing the boundaries of what technology can achieve.We believe that smaller, faster, and self-built solutions are the key to advancement.Equipped with state-of-the-art 3D printers, a diverse range of microscopes, e-beam writers, and general fabrication tools, we have the capability to invent anything that might be missing along our journey.Atomic was founded by Sam Zeloof, known for his garage chip-making, and Jim Keller, a seasoned leader in the semiconductor industry for over 40 years.About the RoleAs a Mechanical Engineer at Atomic Semi, your primary responsibilities will include designing, refining, and constructing specialized equipment for semiconductor fabrication.We seek hands-on engineers to tackle diverse challenges, from heavy design tasks to integrating mechanical, optical, and electronic components, as well as automating production processes. Our philosophy is to build and test solutions rapidly—in days or weeks, not months—with a focus on practical solutions that address real production needs.We are hiring across multiple experience levels for various specialized teams:The Positioning Team: This team is dedicated to systems-level engineering, designing, prototyping, and building semiconductor fabrication equipment and subsystems related to lithography, motion, and metrology.The Vacuum Team: This team handles the design, prototyping, validation, and scaling of core semiconductor fabrication equipment, including tool families such as Anneal, Deposition, Etch, and Supporting Infrastructure, with objectives ranging from fundamental design to automation readiness.