Electrical & Mechanical Technician

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,…

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.

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.

Join our dynamic team at OSARO as a Senior Electrical Technician, where your expertise will play a pivotal role in delivering cutting-edge smart automation solutions to our clients. At OSARO, we blend advanced software and machine learning with industry experience to enhance robotic applications, paving the way for innovative solutions in the factories and warehouses of tomorrow. Our revolutionary products empower industrial robots with the autonomy to execute a wide range of pick-and-place tasks while seamlessly integrating with complex customer software environments.In this influential role, you will contribute to expanding our team's capabilities. The ideal candidate will possess strong electrical aptitude and the ability to manage competing priorities effectively. You should be comfortable building prototypes with minimal guidance and providing constructive feedback on design elements. Significant electrical troubleshooting skills are essential, as some machinery may be sensitive to damage during prototype testing. A foundational understanding of PLC functionality and wiring is necessary for executing most upgrade tasks, along with the capability to interpret electrical schematics for wiring new sensors into the systems.Our company culture values collaboration, creativity, and curiosity, driving us to overcome technological challenges and develop truly innovative technologies. As we rapidly expand, we are committed to building world-class products with a continuous focus on research and development. We seek candidates who are passionate about their work, take ownership of their projects, and thrive on challenges. You should be someone who values your team, is direct in communication, and follows through on commitments.

Join Alten Technology USA as a Mechanical Technician where you will play a critical role in supporting engineering teams by performing tests, troubleshooting, and ensuring optimal performance of mechanical systems. Your expertise will contribute to innovative projects in a dynamic environment.

About Fellow: At Fellow, our mission is to empower coffee enthusiasts to brew exceptional coffee at home. We offer more than just elegantly designed kettles and grinders; we are a progressive brand rooted in innovation, community, and culture. We believe that great coffee transcends the final cup; it embodies the experience, the ritual, and the passionate individuals behind it. Our ultimate goal at Fellow is to foster a safe, inclusive, and rewarding workplace where all team members can thrive and contribute their authentic selves. We actively encourage individuals from underrepresented backgrounds to apply. Position Overview: Fellow is on the lookout for an enthusiastic Mechanical or Electrical Engineering Co-op to join our dynamic team. This position presents a fantastic opportunity to play a key role in the design and development of our renowned products while collaborating with seasoned engineers and product designers. The co-op will gain invaluable hands-on experience across different phases of the product development cycle, from initial concept through to production. This role is based in our San Francisco office. What You'll Do: Assist in the mechanical or electrical design of products, contributing throughout various stages from conception to launch. Support iterative prototyping to functionally validate concepts and aid in product-level decisions or user testing. Facilitate the development and execution of design and functional validation testing for mechanical and/or electrical components. Conduct root cause analysis on complex electromechanical hardware system failures.

High Voltage Electrical Engineer / TechnicianLocation: Bay Area, in-person preferredAbout the RoleAt Thunderstone, we are seeking a proactive and skilled High Voltage Electrical Engineer or Technician to play a vital role in our lab operations. You will assume responsibility for the safe and efficient functioning of our high-voltage systems, including our Marx generators. Your expertise is crucial in ensuring our core technology operates seamlessly, facilitating rapid experimentation and advancing the forefront of innovation. This position can be full-time or part-time, with a requirement for on-call availability to maintain our essential systems.Key ResponsibilitiesOversee our high-voltage pulse power systems, including Marx generators and Cockcroft–Walton multipliers, ensuring their readiness for experiments.Quickly diagnose and resolve issues using diagnostic tools like oscilloscopes and multimeters, from minor wiring adjustments to complex system optimizations.Uphold and enhance our safety protocols and electrical standards, as your commitment to safety is of utmost importance.Work collaboratively with the engineering team to support rapid experimental setups and prototyping.Provide prompt assistance for urgent troubleshooting or setup needs to minimize downtime and keep experiments on schedule.Diligently document system performance, safety checks, and improvements to contribute to a scalable and robust operation.Who We AreThunderstone is a pioneering deep-tech startup dedicated to transforming the way the world accesses critical metals. Our approach redefines traditional mining practices, which are often excavation-heavy, costly, and harmful to the environment. We utilize underground lightning (high-voltage pulses) to create microscopic pathways in ore bodies, allowing fluids to flow and extract metals without extensive digging.Our innovative methods make mining cleaner, more cost-effective, and scalable, enabling the extraction of essential metals like nickel and copper that are vital for the clean energy transition. Proudly part of the Breakthrough Energy Fellows program, we are supported by top-tier investors and strategic partners, including Rio Tinto.Join us at Thunderstone, where your contributions will not only propel our experiments forward but also help create a sustainable future for our planet.

Join Sofar Ocean's MissionAt Sofar Ocean, we are dedicated to connecting the world's oceans through cutting-edge technology. We develop and maintain the largest privately owned network of marine weather sensors, empowering exceptional marine weather forecasts. Our innovative data solutions help clients enhance operational efficiency, decrease emissions, and better understand the ramifications of climate change on extreme weather and ocean health. We are committed to building the ocean intelligence necessary for a sustainable future.Your Role in Our TeamWe are expanding our team at Sofar Ocean, where we deploy thousands of cost-effective, global ocean sensors in remote locations. We are currently looking for an Electro-Mechanical Assembly Technician to be an integral part of our dynamic production team. In this hands-on role, you will utilize your assembly skills to build our advanced smart buoys and sensing platform systems, making a tangible difference for the planet's oceans while collaborating with passionate colleagues.This position is based on-site at our Pier 28 facility in San Francisco, CA, with typical working hours from 8 AM to 4:30 PM.Key ResponsibilitiesAssemble and test electromechanical components according to specific work instructions, engineering designs, and bills of materials (BOM).Conduct in-process inspections on box builds, sub-assemblies, PCBAs, and cables to ensure quality standards are met.Aid in maintaining production schedules by completing builds promptly and communicating any obstacles.Identify and escalate defects, workmanship issues, or shortages in components as necessary.Log assembly and testing data using Sofar's traceability database.Assist with New Product Introduction (NPI) builds and other engineering tasks, including mechanical modifications and rework.Safely and effectively operate hand tools, power tools, and basic production equipment.Achieve daily production quality and productivity targets.Collect all necessary components, sub-assemblies, tools, and materials for specific work orders.Maintain a clean and safe workspace in accordance with OSHA guidelines and company protocols.Participate in cross-training for other production functions as directed by the company.Adapt quickly to new projects and complete tasks within defined timelines.

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.

Join Zūm, a dynamic Series E startup transforming the school transportation industry with the backing of top investors like Sequoia Capital, SoftBank, Spark Capital, and GIC. We are on a mission to revolutionize the outdated school transportation sector, operating in over 15 states across the U.S., with primary hubs in San Francisco, Los Angeles, and Seattle. As we expand our services to the East Coast and Midwest, we leverage technology to deliver innovative solutions for managing school district transportation systems. Our initiatives include launching our own charter platform, developing proprietary SaaS products, and leading a nationwide effort to electrify school transportation fleets, contributing energy back to the grid. Recognized as a CNBC 50 disruptor and a Financial Times 500 fastest-growing company, Zūm is committed to making a difference.As a Diesel Technician/Mechanic at Zūm, you will play a crucial role in ensuring the safety and efficiency of our fleet of school buses. Your responsibilities will include diagnosing issues, performing repairs, and executing maintenance protocols in line with regulatory standards and industry best practices.

Join Mariana Minerals as a Mechanical Maintenance Technician, where you will play a crucial role in ensuring the smooth operation of our machinery and equipment. As part of our dedicated team, you will be responsible for performing routine maintenance, troubleshooting mechanical issues, and implementing effective solutions to enhance operational efficiency.

Why Join GigaThe Pace: We operate at a speed that most companies only talk about. If you've been feeling stagnant in your previous role, you'll find excitement here.The Impact: Every individual at Giga contributes to meaningful work. With no bureaucratic delays, your contributions will be visible in our outputs.The Team: Join a team of top-tier professionals shaping the future of AI infrastructure. We attract high performers from the most innovative companies, drawn by the significance of our work.The Moment: AI requires power, and that's where we come in. Giga is the backbone of the AI revolution. This industry is on the verge of massive growth, and you'll be at the forefront of it.What You'll DoAt Giga, our mission is to design and manufacture data centers that support the rapid growth of AI. We are moving beyond conventional construction methods to a product-centric approach, creating and mass-producing high-performance infrastructure that meets the surging demand for computational power. As the Lead Electrical Engineer, you will be responsible for shaping the power architecture and electrical framework of these cutting-edge facilities.This is a unique chance to establish the electrical foundation of a fast-growing infrastructure company. Rather than managing just one 50 MW project, you will develop the Plan of Record (POR) for Giga Data Centers, a standardized, manufactured product that will be implemented globally.You will set the benchmark for high-density AI power delivery, designing medium and low voltage distribution systems, backup generation, and UPS solutions that can accommodate the most demanding computational tasks worldwide. The AI boom is the defining industrial challenge of our time, and you will construct the engine that drives it. Your designs will be rapidly manufactured and deployed, making a tangible impact across numerous facilities.Where You'll WorkIf you are located outside our Houston, Long Beach, Reno, or San Francisco offices, this position will be performed remotely from your home office. However, you must be willing to travel as necessary to our job sites and one of our hub locations.ResponsibilitiesDevelop and manage the electrical Plan of Record for Giga Data Centers, establishing the

Join our dynamic team at AECOM as a Senior Electrical Engineer, where you will be at the forefront of innovative projects that shape our cities and communities. In this role, you will leverage your extensive expertise to design electrical systems for a variety of infrastructure projects, ensuring compliance with industry standards while fostering sustainable practices.Your responsibilities will include collaborating with multidisciplinary teams, reviewing and approving engineering designs, and providing mentorship to junior engineers. This is an exciting opportunity to make a significant impact in the field of electrical engineering.

ABOUT PAX At PAX, we are dedicated to transforming lives through outstanding consumer experiences. Our commitment to innovation, scientifically-backed quality, and award-winning design has established us as a leader in the industry for nearly two decades. Millions trust our high-performance products, which are crafted for precision, purity, and consistency. Our culture revolves around prioritizing people, making impactful contributions together, and enjoying the journey. We believe that exceptional products, a fulfilling employee experience, and robust operational rhythms are interconnected. PAX has garnered accolades for its brand, culture, and products from esteemed publications, including The New York Times’ Wirecutter, TIME, Fast Company, GQ, Gear Patrol, mg Magazine, and High Times. Furthermore, we are proud to be certified Plastic Negative across all product lines by rePurpose Global, ensuring that we remove twice as much plastic from nature as we use in our products. ROLE OVERVIEW As a Senior Mechanical Engineer reporting to the Director of Mechanical Engineering, you will spearhead the design of innovative, cost-effective, and reliable products that meet delivery schedules. You will also troubleshoot and enhance existing products while collaborating closely with engineering colleagues to devise optimal solutions for complex design, structural, thermal, and battery life challenges. Proficiency in sketching and prototyping new concepts, along with familiarity with engineering best practices, will be essential. You may also guide and oversee the work of junior team members. Our products are celebrated for their exquisite design, high quality, and reliability. Our Mechanical Engineers play a vital role in shaping the architecture and detailed design of all our products, working in tandem with the Hardware team to realize the product vision. This role is pivotal in leading the development of future innovations. Key Responsibilities: Collaborate with cross-functional teams to develop high-quality products that exceed customer expectations. Partner with Industrial Design to evaluate product features for manufacturability and recommend efficient processes and equipment. Lead the development of mechanical product architectures, assemblies/modules, parts, and accessories. Design detailed mechanical components, including complex assemblies and sub-systems. Conduct feasibility studies to ensure designs meet mechanical robustness, scheduling, and cost targets. Oversee both internal and external prototyping efforts. Facilitate design reviews and promote engineering best practices.

We are seeking a dynamic and results-oriented Mechanical Engineering Lead to join our team in San Francisco. In this pivotal role, you will lead and oversee mechanical engineering projects, ensuring innovative solutions that meet client specifications and industry standards.Your expertise will guide a team of engineers and technicians, fostering a collaborative environment that encourages creativity and excellence. You will be responsible for project planning, resource allocation, and the successful execution of engineering tasks, while maintaining high levels of quality and safety.

Role overview AECOM is hiring a Senior Mechanical Engineer in San Francisco. This role leads project work and collaborates with teams across disciplines. The focus: designing, developing, and implementing mechanical systems that support efficiency and sustainability goals.

Join Gridware as a Senior Electrical Research Engineer, where you'll play a pivotal role in advancing innovative electrical solutions. We are looking for an expert who is passionate about research and development in electrical engineering. In this role, you'll collaborate with a dynamic team to design, analyze, and optimize electrical systems that will drive our technology forward.

DoorDash Labs is an innovative team at DoorDash, dedicated to developing autonomous delivery robots and cutting-edge autonomy solutions that power DoorDash's delivery platform, utilized by millions worldwide. If you are passionate about the intersection of robotics and service technology, we would love to connect with you!About the RoleWe are on the lookout for a highly skilled and hands-on Senior Electrical Engineer to spearhead the design and development of electrical systems for our four-wheeled autonomous delivery robot. This pivotal role involves delivering high-quality, production-ready hardware that encompasses high-speed digital design, PCB assembly, RF integration, harnessing, and board-level packaging.This position is highly technical, ideal for individuals who can navigate both system-level concepts and intricate circuit designs with ease.What You’ll DoDesign and innovate electrical systems for a complex mobile robotic platform, from initial concept to production.Lead high-speed digital design initiatives, including PCIe, MIPI, Ethernet, DDR, and multi-gigabit SERDES.Oversee PCBA development, including schematic capture, stack-up definition, layout guidance, impedance control, and design for manufacturability.Drive RF integration efforts including Wi-Fi, LTE/5G, GNSS, Bluetooth, RADAR, and LiDAR, focusing on antenna placement, layout constraints, and signal integrity.Develop and assess cable harness designs, connector selection, grounding strategies, and environmental robustness.Collaborate closely with mechanical engineers on board packaging, thermal management, vibration resistance, and environmental sealing.Define and implement power distribution architectures, battery interfaces, protection circuits, and system monitoring.Ensure adherence to EMI/EMC and regulatory standards (FCC/CE) including CISPR-25 and FCC Part 15 Class A.Support prototype builds and troubleshoot hardware/firmware interface issues, quickly identifying root causes and driving corrective actions.Establish design standards and conduct comprehensive design reviews within the electrical engineering team.Engage cross-functionally with firmware, robotics, systems, manufacturing, and reliability teams.

Stressfree provides automotive care for drivers in San Francisco, California. The team values skilled technicians who take pride in their craft and help customers stay on the road. Role overview The Automotive Technician position focuses on diagnosing and repairing vehicle issues. This role handles routine maintenance and ensures that every job meets strict safety and quality standards. Main responsibilities Diagnose mechanical and electrical problems in vehicles Complete repairs and replace parts as needed Perform scheduled maintenance tasks Maintain accurate records of work completed Follow company and industry safety procedures Requirements Experience with vehicle diagnostics and repairs Attention to detail and a commitment to quality Strong work ethic and reliability Interest in the automotive industry Technicians who care about their work and want to join a team that values high standards are welcome to apply.