Mechanical Engineer at Specter | San Francisco

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.

Company Overview:At Specter, we're revolutionizing the way businesses interact with their physical environments. Our mission is to empower American enterprises by providing comprehensive visibility into their physical assets through advanced software-defined solutions.We are developing an innovative hardware-software ecosystem that leverages cutting-edge multi-modal wireless mesh sensing technology, significantly reducing both deployment costs and timeframes for sensor installations. Our platform aims to be the definitive perception engine for companies, ensuring real-time visibility of their perimeters and facilitating autonomous operations management.Founded by industry veterans from Anduril, Tesla, Uber, and the U.S. Special Forces, our team is passionate about leading the charge in the realms of physical AI and robotics. Join us as we expand rapidly and redefine the future of business.Position Overview:We are searching for a skilled Electrical Engineer who will play a crucial role in designing and developing resilient sensor and computing systems, optimizing manufacturing processes, and supporting production programs.

Company Overview:Specter is revolutionizing how businesses perceive their physical environments by developing a software-defined control plane. Our mission is to enhance the security of American enterprises by providing them with comprehensive visibility over their physical assets.We are pioneering a connected hardware-software ecosystem that leverages multi-modal wireless mesh sensing technology, reducing the deployment costs and time for sensors by a factor of ten. Our platform aims to be the perception engine for a company’s physical presence, facilitating real-time visibility of perimeters and enabling autonomous operational management.Founded by passionate innovators from Anduril, Tesla, Uber, and the U.S. Special Forces, our co-founders, Xerxes and Philip, are dedicated to empowering our partners in the rapidly evolving landscape of physical AI and robotics.

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.

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.

Embedded Software Engineer - Embedded Systems & FirmwareCompany Overview:At Specter, we are pioneering a software-centric control plane for tangible assets, focusing initially on safeguarding American enterprises by providing comprehensive oversight of their physical resources.We are developing an integrated hardware-software ecosystem leveraging cutting-edge multi-modal wireless mesh sensing technology, which dramatically reduces the cost and timeline for sensor deployment by 10-fold. Our platform aspires to be the perception engine for a company’s physical presence, facilitating real-time visibility of perimeters, autonomous management of operations, and the creation of digital twins for physical processes.Led by our passionate co-founders Xerxes and Philip, our small but dynamic team hails from notable organizations such as Anduril, Tesla, Uber, and the U.S. Special Forces, committed to empowering partners in the rapidly evolving fields of physical AI and robotics.Role Overview:We are on the lookout for an Embedded Software Engineer who will take charge of the complete on-device software stack for our distributed wireless mesh sensor nodes, including the integration of RF modules, cameras, and multi-modal sensors.Key Responsibilities:Design, implement, and maintain high-performance, reliable firmware and software for Specter’s existing and future edge devices, encompassing a variety of embedded platforms (embedded Linux on SoCs, RTOS, bare-metal on microcontrollers).Lead the integration of RF modules, cameras, and multi-modal sensors (e.g., environmental, motion, acoustic) within the embedded software stack, which includes driver development, data pipelines, and hardware enablement.Conduct board bring-up, interpret datasheets/schematics, and troubleshoot complex hardware/software interactions utilizing oscilloscopes, logic analyzers, JTAG/SWD, and other diagnostic tools.Work closely with Hardware Engineering (EE, RF, ME), Product Engineering, and backend software teams to collaboratively design interfaces, support new hardware platforms, and facilitate rapid prototyping and iteration from concept to production deployment.Build and maintain documentation related to the embedded software development lifecycle.

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!

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.

Join Kargo as a Mechanical Design Engineer and contribute to innovative projects that shape the future of technology. We are looking for a talented engineer with a passion for mechanics and design, who thrives in a collaborative environment. In this role, you will be responsible for developing high-quality mechanical designs while ensuring adherence to industry standards and best practices.

ABOUT PAX LABSAt PAX, our mission is to elevate consumer experiences through innovative products that honor the plant. For nearly 20 years, we have crafted high-performance devices designed with precision, purity, and reliability, trusted by millions globally.Our company culture prioritizes our people, collaboration, and enjoyment in the workplace. We believe that exceptional products and a fulfilling employee experience are intrinsically linked. PAX has received accolades from leading publications including The New York Times’ Wirecutter, TIME, Fast Company, GQ, and High Times, highlighting our commitment to quality and innovation. We are proud to be certified Plastic Negative by rePurpose Global, ensuring that we remove twice as much plastic from nature as we use in our products.ROLE OVERVIEWAs a Mechanical Engineer reporting to the Director of Mechanical Engineering, you will play a pivotal role in designing innovative components and subassemblies for our new products that are not only cost-effective but also reliable and timely. Your expertise will also extend to troubleshooting and enhancing existing products, collaborating with fellow engineers to devise solutions for complex structural, thermal, illumination, and usability challenges. Proficiency in sketching, prototyping, and familiarity with mechanical engineering principles, product development best practices, and design documentation is essential.Our products are celebrated for their aesthetic appeal, durability, and innovative technology. As a Mechanical Engineer, you will be instrumental in shaping the architecture and design of all our products, working closely with the Hardware team to realize our product vision. This role is fundamental to the future development of PAX products.KEY RESPONSIBILITIES:Engage in the design and development of mechanical product architectures, including assemblies, modules, parts, and accessories.Participate actively in decision-making processes pertaining to mechanical product design and architecture.Conduct structural, tolerance, thermal, and fluid analyses to inform design decisions.Generate detailed 3D and 2D drawings, including specifications that clearly define components and subassemblies.Collaborate with industrial designers to evaluate product details for manufacturability and propose improvements.

Astranis is at the forefront of space innovation, developing state-of-the-art satellites that extend humanity's exploration capabilities into high orbits. Our satellites deliver reliable and secure communication networks to a diverse clientele, including large corporations, government entities, and military organizations. With five satellites currently in orbit and several more on the horizon, we are addressing a substantial backlog of over $1 billion in commercial contracts.As the preferred satellite communications partner for clients with rigorous demands for uptime, data integrity, and customized solutions, Astranis has successfully secured over $750 million in funding from esteemed investors like Andreessen Horowitz, Blackrock, and Fidelity. Our dedicated team of 450 engineers and entrepreneurs works passionately from our expansive 153,000 sq. ft. headquarters in Northern California, USA, to design, build, and operate our cutting-edge satellites.Mechanical Integration EngineerJoin our Mechanical Integration team at Astranis and play a pivotal role in constructing components, subsystems, and complete satellites. Collaborate closely with designers, technicians, and testing teams to shape the future of satellite communication while also having the chance to redefine our manufacturing processes.

Join Bright Machines as a Senior Mechanical Engineer, where you will play a pivotal role in designing and developing innovative automated solutions. Your expertise will contribute to our mission of transforming manufacturing through advanced technology.

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 UsSpecter is pioneering a software-defined control plane for the physical world. Our mission is to safeguard American businesses by providing them with comprehensive visibility over their physical assets.We are building an innovative hardware-software ecosystem based on advanced multi-modal wireless mesh sensing technology, which will reduce the cost and time of deploying sensors by a factor of ten. Our platform aims to serve as the perception engine for a company's physical footprint, facilitating real-time visibility and autonomous management of operations.Founded by passionate visionaries from backgrounds in Anduril, Tesla, Uber, and the U.S. Special Forces, we are a small but rapidly growing team focused on empowering our partners in the evolving landscape of physical AI and robotics.The RoleWe are on the lookout for resilient and adaptable Deployment Operations Engineers who can seamlessly blend hands-on installation with technical troubleshooting. Your role will be critical in ensuring our systems are installed correctly, powered up on the first attempt, and maintain operational integrity—whether that involves running conduit, aligning antennas, commissioning radios, or documenting installations for regulatory compliance.This position is ideal for those who thrive in outdoor environments, excel under pressure, and are committed to delivering durable and high-quality work. If you have experience in the military, trades, or other high-stakes environments and want to apply that mindset to the forefront of technology, this is the place for you.

About UsEcho Neurotechnologies is an innovative startup pioneering advancements in the Brain-Computer Interface (BCI) sector. Our goal is to create state-of-the-art hardware and AI solutions that empower individuals with disabilities, enhancing their independence and overall quality of life.Our CultureWe invite you to be a part of a small yet passionate team where your expertise will play a crucial role in shaping our future. Being in an early-stage startup, you will have the chance to make impactful decisions while fostering your own professional growth in a collaborative environment.Position SummaryWe are on the lookout for a Senior Mechanical Engineer who will lead the development of our innovative Echo wearable hardware device. The role entails designing, prototyping, and assessing custom hardware solutions, managing manufacturing vendors, and overseeing design verification processes essential for the development of medical devices.Key ResponsibilitiesDesign and prototype mechanical components and assemblies, utilizing rapid prototyping, machining, and injection molding techniques.Create detailed component and assembly drawings, including tolerance stack-ups and analyses.Identify and liaise with manufacturing vendors for component and assembly production.Conduct simulations and analyses (FEA, thermal, etc.) in collaboration with vendors to inform design choices.Develop custom electromechanical systems for testing and characterization of components and assemblies.Plan and implement design verification activities systematically.

About the RoleHinge Health is on the lookout for a talented Mechanical Engineer II to join our dynamic Hardware Engineering team. In this pivotal role, you will contribute significantly to the design and development of our next-generation hardware products. As a mid-level engineer, you will tackle a range of projects, focusing on mechanical designs for advanced medical devices that are highly integrated. You will collaborate across various teams, including electrical, mechanical, and manufacturing, to successfully transition products from concept to production.The ideal candidate is passionate about addressing real-world challenges through hardware innovation—your efforts will directly enhance the lives of millions of our members by alleviating pain and improving their well-being. By joining our Hardware group within the broader R&D organization, you will be part of a highly skilled, motivated, and compact team where your ideas and contributions are valued.What You'll AchieveCreate intricate device assemblies and manufacturing fixtures using 3D CAD, integrating components like PCBAs, batteries, and connectors.Rapidly prototype and test using various technologies (3D printing, machining, etc.)Engage in all phases of product development, from exploration and prototyping to detailed design, testing, and scaling for mass production.Work closely with electrical, firmware, and senior mechanical engineers on system architecture and integration.Maintain design quality and adhere to medical device regulatory standards through clear documentation and thorough testing.Assist manufacturing and sustaining engineering by optimizing designs for cost reduction and enhanced manufacturability, supporting process or test development, and aiding in failure analysis.Hinge Health Hybrid ModelWe believe in the advantages of both remote and in-office work, and we aim to harness the best of both worlds. Employees in hybrid roles are expected to work in the office three days a week for a full eight-hour business day. Our San Francisco office features a dog-friendly work environment.