28 intern mechanical engineer jobs found in San Francisco

Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization.Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. CAD Engineer/Librarian Intern (Summer 2026) As an Intern, you will have an amazing...

Watch your work come to life in landmark projects around the world when you partner with Syska Hennessy Group! Watch your work come to life in landmark projects around the world when you partner with Syska Hennessy Group! As a global leader in consulting, engineering, and commissioning services, we specialize in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning. Our dynamic work environment provides the optimal setting to take your engineering career to the next level. From our supportive culture, diverse workforce, and competitive compensation to our flexible work schedule Monday to Thursday in the office for 9 hours and Friday for 4 hours remotely at home and fun social events, it is everything you will need for an exciting, challenging, and rewarding career. We are looking for a Mechanical Engineer II - III in our San Francisco, CA or Sacramento, CA offices . Job Responsibilities As a Mechanical Engineer II-...

Join Axon and be a Force for Good. At Axon, we're on a mission to Protect Life. We're explorers, pursuing society's most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other. Life at Axon is fast-paced, challenging and meaningful. Here, you'll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter. JOIN AXON AND BE A FORCE FOR GOOD At Axon, we're on a mission to Protect Life. We're explorers, pursuing society's most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other. Life at Axon is fast-paced, challenging and meaningful. Here,...

Company Description At KPFF Consulting Engineers , we are more than just an engineering design firm . For over 65 years , we have dedicated ourselves to innovative, sustainable engineering that shapes the built environment and tackles complex infrastructure challenges . Our team culture emphasizes balance, growth, and well-being, supporting each member's professional journey with flexibility, generous benefits , and a collaborative approach to work-life integration. With nearly 1,500 professionals across 36 offices nationwide , KPFF's decentralized structure allows each office the flexibility to pursue projects aligned with their regional strengths . Learn more at www.kpff.com. Job Description About the Role KPFF is seeking a Structural Project Engineer with 3 to 5 years of professional experience for our San Francisco team. In this role, you'll take on increasing technical responsibility while staying closely involved in day-to-day structural...

About Atomic Semi Atomic Semi is building a small, fast semiconductor fab. It's already possible to build this with today's technology and a few simplifications. We'll build the tools ourselves so we can quickly iterate and improve. We're building a small team of exceptional, hands-on engineers to make this happen. Mechanical, electrical, hardware, computer, and process. We'll own the stack from atoms to architecture. Our team is optimistic about the future and we want to continue pushing the limits of technology. Smaller is better. Faster is better. Building it ourselves is better. We believe our team and lab can build anything. We've set up 3D printers, a wide array of microscopes, e-beam writers, general fabrication equipment - and whatever is missing, we'll just invent along the way. Atomic was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years. About the...

About Atomic Semi Atomic Semi is building a small, fast semiconductor fab. It's already possible to build this with today's technology and a few simplifications. We'll build the tools ourselves so we can quickly iterate and improve. We're building a small team of exceptional, hands-on engineers to make this happen. Mechanical, electrical, hardware, computer, and process. We'll own the stack from atoms to architecture. Our team is optimistic about the future and we want to continue pushing the limits of technology. Smaller is better. Faster is better. Building it ourselves is better. We believe our team and lab can build anything. We've set up 3D printers, a wide array of microscopes, e-beam writers, general fabrication equipment - and whatever is missing, we'll just invent along the way. Atomic was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years. About the...

Whether you're a recent grad or a seasoned professional, you can experience meaningful career growth at Rosendin. Enjoy a true sense of ownership as you work with a proven industry leader on some of the most exciting and high-profile projects in the nation. We offer a wide range of job opportunities, competitive compensation, full benefits, an Employee Stock Ownership Plan and more. Why Rosendin? Committed. Innovative. Engaged. If you're looking to take career to the next level and work with some of the best and brightest in the industry, we want to hear from you. We are an organization built on integrity. We have a culture that empowers people, embraces diversity, and inspires everyone to do their best. Rosendin is one of the largest electrical contractors in the United States employing over 7,000 people. We are the largest EMPLOYEE-OWNED company in the industry which means you will be a company owner too and have the unique benefit of being a shareholder at a company...

Join Axon and be a Force for Good. At Axon, we're on a mission to Protect Life. We're explorers, pursuing society's most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other. Life at Axon is fast-paced, challenging and meaningful. Here, you'll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter. Your Impact Axon is committed to improving public safety by developing cutting-edge, innovative technologies. Known for developing the original TASER energy weapon, the Axon engineering team is tasked with continual excellence to keep the organization at the forefront of the market. Mechanical Design Engineers at Axon have full design ownership over next generation life-saving technology from conceptualization through...

Join Axon and be a Force for Good. At Axon, we're on a mission to Protect Life. We're explorers, pursuing society's most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other. Life at Axon is fast-paced, challenging and meaningful. Here, you'll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter. Your Impact Axon is committed to improving public safety by developing cutting-edge, innovative technologies. Known for developing the original TASER energy weapon, the Axon engineering team is tasked with continual excellence to keep the organization at the forefront of the market. Mechanical Design Engineers at Axon have full design ownership over next generation life-saving technology from conceptualization through...

Who is Elve? Elve, Inc is a deep-tech startup in Davis, CA, specializing in the design and manufacturing of high-efficiency lightweight millimeter-wave and near-THz RF power amplifiers. Our groundbreaking technology enables 100x faster wireless internet access in urban settings and remote locations, revolutionizing the future of wireless connectivity well beyond 5G. We are looking for mechanical engineers to join our team and contribute to the advancement of our technology, products, and manufacturing. If you are passionate about RF electronics, precision assembly, manufacturing, automation, and working on cutting-edge technology, then we want to hear from you! Position Summary Elve is building next generation millimeter-wave power amplifiers for advanced communications and sensing systems. We are hiring several mechanical engineers across manufacturing, engineering, and product development who enjoy solving hardware problems and improving how products are built. Mechanical...

About Giga At Giga , we develop, build, and operate AI energy infrastructure that powers the modern world. And we'reon a mission to fix the broken energy infrastructure experience - permanently. Our vertically integrated approach stacks site origination and development, infrastructure manufacturing, and power market participation under one operating system. Founded in Texas, Giga partners with AI hyperscalers, data center operators and other energy infrastructure teams to deliver projects faster. Why Join Us The Pace: You will own projects moving faster than anywhere else in the industry. The Impact: You are the person who turns "concepts" into "contracts" and "permits." The Team: Work with a world-class group of engineers and builders defining the future of AI infrastructure. Why Join Us The Pace: You will manage projects moving faster than anywhere else in the industry. The Impact: You are the person who turns "concepts" into "contracts" and...

About Fellow At Fellow, we're on a mission to help people brew ridiculously good coffee at home. But we're more than just beautifully designed kettles and grinders-we're a brand built on innovation, community, and culture. We believe great coffee isn't just about the final cup; it's about the experience, the ritual, and the people who make it all happen. This role is based in our office in San Francisco, CA and is required to be in-office 4-days per week. Availability for regular evening calls with team members and partners in Asia is required as well as occasional travel to these locations (once to twice a quarter). Who You Are As a Product Design Engineer, Electrics (Lead) , you will play a pivotal role in leading the Product engineering and design efforts for some programs, as we expand our lineup of home appliances - such as precision coffee makers, grinders, and kettles. You will actively participate in design work, including owning some CAD & performing...

Sr. Engineer, Mechanical (Building HVAC) About Us At AlfaTech we believe in more than just engineering solutions; we believe in promoting a culture of agility, collaboration, and inclusion. As a leading consulting engineering firm, we provide thoughtful engineering design that is technologically forward thinking, innovative, and environmentally conscious, ensuring that our contribution to our built environment is flexible, sustainable, and lasting across all the market segments we serve. If you're driven by a passion for engineering, innovation, and making a difference, if you thrive on challenges and adapt quickly to change, and if you are looking to be part of a dynamic team of empowered, smart, energized, professionals, then AlfaTech is the place for you. Job Summary In this role, the Senior Engineer will act as the Lead Project Engineer under the Department Head's supervision, and work on a variety of projects, from small to large, providing a very high level of technical...

WHO WE ARE: Build your career with Boldt. As a member of the Boldt team, you'll collaborate with some of the most knowledgeable professionals in the construction industry. You'll have the chance to learn new skills and seek greater responsibilities with a team that builds real value in the world around you. You'll succeed in a workplace culture that recognizes, respects, and values differences. Boldt's focus on innovation, collaboration, and employee development provides an opportunity for all our employees to Build Boldly. HOW YOUR ROLE FITS INTO BOLDT: The VDC Engineer works with project team members to support the development and implementation of model-based workflows that support project delivery. This role is responsible for supporting process development, monitoring technology usage, facilitating coordination, supporting the deployment of Project Technology solutions, and training project team members to ensure technical workflows are established, maintained, and...

The Presidio Trust is seeking an Engineering Technician (Transportation) to join it's Planning and Compliance Department. The Presidio Trust is an innovative federal agency responsible for preserving and sharing the Presidio-a 1,500-acre national park site at the Golden Gate that blends rich history, cultural significance, and extraordinary natural beauty. Once a military post under three flags and the ancestral homeland of the Ramaytush Ohlone, the Presidio is now one of the most biologically diverse parks in the nation and a vibrant destination with beaches, museums, trails, homes, and workplaces. Reporting to the Transportation Manager, the Transportation Engineering Technician performs a wide range of technical and analytical assignments supporting transportation projects, infrastructure management, and data systems that advance the development and management of a safe and sustainable transportation network for all modes in the Presidio. Our ideal candidate enjoys using their...

Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. Senior Manufacturing Engineer, Machining The Senior Manufacturing Engineer, Machining is...

HOK is a collective of future-forward thinkers and designers who are driven to face the critical challenges of our time. We are dedicated to improving people's lives, serving our clients and healing the planet. Together, we cultivate a culture of design excellence at the confluence of art and science, blending the power of creative expression with a clear sense of purpose. Project Engineers will be responsible for the successful delivery of small to medium size building projects, or working as part of a large team responsible for an area on major projects, including developing concepts and producing the design. RESPONSIBILITIES: Strategic Looks for ways to improve engineering design and design processes in a particular discipline. Looks for new trends in Engineering design in a particular discipline and how to apply them to our projects. Project Management and Technical Improvement 10% time devoted to project management tasks and technical improvement initiatives....

Description At United, we have some of the best aircraft in the world. Our Technical Operations team is full of aircraft maintenance technicians, engineers, planners, ground equipment and facilities professionals, and supply chain teams that help make sure they're well taken care of and ready to get our customers to their desired destinations. If you're ready to work on our planes, join our Tech Ops experts and help keep our fleet in tip-top shape. Job overview and responsibilities Studies, analyzes, and seeks solutions to problems related to the design, operation, maintenance, performance, modification, or repair of aircraft, and their components Uses a structured, logical, and analytical approach in problem solving Defines maintenance program, configuration, and serviceability criteria ensuring safe and legal operations Analyzes and implements regulatory requirements Evaluates the effects of modifications or new equipment on reliability and performance Evaluates the...

Company Description A venture-backed defense technology company is developing advanced directed-energy laser platforms designed to counter small unmanned aerial threats. The team operates in a fast-paced, hardware-focused environment where concepts move quickly from lab prototype to field deployment. We are seeking an experienced Senior Laser Systems Engineer to architect, develop, and validate beam-delivery and targeting subsystems for next-generation laser platforms. This role owns end-to-end beam-train design, automated aiming systems, and materials testing across both pulsed and continuous-wave (CW) regimes. Job Description Key Responsibilities Design and assemble complete optical beam paths including coatings, mirrors, fiber/optic interfaces, and precision alignment fixtures to meet power and beam-quality targets Architect and integrate automated aiming and targeting subsystems, combining optomechanics, sensors, and control-system interfaces for precision tracking...

About Estes Energy: Estes develops and manufactures exceptional zero-emission power systems that unlock true scale and performance for the electrification of the commercial vehicle and equipment markets. Estes will democratize electrification by enabling powertrain solutions at better cost and performance than diesel solutions, for both high-volume established OEMs making thousands of vehicles per year, and industry newcomers making next generation electrified vehicles and equipment. Here's the ugly truth. Approximately 3.9 million barrels of diesel fuel (equal to 5.8 Terawatt-hours of energy) are consumed every day across the United States, mostly by commercial vehicles and equipment. That's 1.66 megatonnes of CO2 GHG emissions every day. That's 353 kilotonnes of NOx and 9.92 kilotonnes of SOx gases emitted, poisoning our people and planet, every day.We exist to move the needle on transitioning a century old diesel burning industry to electric. What are our principles to...