11 mechanical engineer jobs found in San Francisco, CA

About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary The Mesa Internship Program is a summer rotational program for students seeking experience in energy, mechanical, building, service, sustainability, sales, or project management. Mesa Energy Systems, Inc. has an opening for an Engineering Intern. This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. Interns will be responsible for providing drafting and engineering support to the Mesa Energy Systems Engineering Group. As assigned by management, the engineering intern's tasks may include, but are not limited to, job walks or site visits to gather information...

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...

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...

The Company Join Halo Industries and be part of a company that's transforming the semiconductor industry with our innovative laser technology. Founded in 2014 and supported by significant funding as of 2024, we're focused on creating efficient solutions that dramatically reduce waste and improve material performance across various sectors such as automotive, telecommunications, and power electronics. The Opportunity We are looking for a Mechanical Engineering Intern to assist our engineering team in the design, development, and testing of precision mechanical systems and equipment. As a Mechanical Engineering Intern, you will have the opportunity to contribute to real projects and support our mission of deploying cutting-edge technology in high-precision manufacturing environments. Your responsibilities will include assisting with CAD modeling, prototyping, conducting tests, and analyzing mechanical systems and components. If you're eager to gain hands-on experience in...

Company Overview Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world's transition to clean energy, with the ultimate goal to dramatically improve people's quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables. Job Summary Kairos Power is seeking a highly motivated, multi-skilled intern with experience in Computational Fluid Dynamics (CFD) modeling, heat transfer and validation. This role will be part of the Modeling and Simulation CFD team which supports methodology development, engineering design, and testing programs for the KP-FHR and associated components through thermal-hydraulic analysis, with a specialization in CFD. This role will perform CFD validation...

Job Title Bridge Engineering Intern Location Walnut Creek - Walnut Creek, CA 94596 US (Primary) Category Engineering: Structures Salary Grade $21.00 - $25.00 Full Time/Part Time Internship Posting Details Mark Thomas is hiring entry-level Bridge Engineering Interns in Walnut Creek! This 10-week summer program gives current undergraduate and graduate students the chance to assist staff with entry-level tasks. Tasks will vary depending on the assignment and department. These tasks may include contributing to the preparation of plans, drawings, exhibits, estimates, reports, gathering data, and/or performing technical calculations. Work activities may also include routine field tasks. Summer interns can work up to 40 hours per week, and there's an option to continue part-time (15-25 hours/week) during the school year, making this an excellent way to keep learning and growing while completing your studies. RESPONSIBILITIES • Provides QA/QC support by following the...

Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have an internship opening for an undergraduate student who is majoring in architecture or engineering (civil, structural, electrical, or mechanical). This internship is designed to provide valuable professional experience while contributing to impactful, real-world projects. Interns will work closely with architects and engineers on capital infrastructure projects within LLNL's...

Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have an internship opening for an undergraduate student who is majoring in architecture or engineering (civil, structural, electrical, or mechanical). This internship is designed to provide valuable professional experience while contributing to impactful, real-world projects. Interns will work closely with architects and engineers on capital infrastructure projects within...

Acute Care Technology At ZOLL, we're passionate about improving patient outcomes and helping save lives. We provide innovative technologies that make a meaningful difference in people's lives. Our medical devices, software and related services are used worldwide to diagnose and treat patients suffering from serious cardiopulmonary and respiratory conditions. The Acute Care Technology division of ZOLL Medical Corporation develops and delivers innovative lifesaving products and software solutions to EMS, hospital, public safety, and military customers globally. Products include AEDs, trauma kits, ventilators, temperature management solutions, and more. Our dedicated employees take pride in their commitment to improving patient outcomes while delivering world-class customer service. Candidate must be enrolled in a degree program at the start of the internship in order to be eligible. Job Summary: This position is responsible for providing technical support within the...

Pivotal is the leader in the emerging market of electric Vertical Takeoff and Landing (eVTOL) aircraft. We design, develop, and manufacture light eVTOL aircraft and are renowned for the BlackFly aircraft the world's first light eVTOL to fly manned missions and enter the consumer market. Efficient, compact, and simple, Pivotal aircraft are designed for a wide range of consumer, public service, and defense applications. Our distinctive tilt-aircraft architecture and scalable platform have been flying for over 10 years. Last year we announced our next-generation aircraft, the Helix, which is rapidly progressing toward general release and scalable production in early 2026. Mobility is one of the most highly-valued areas of modern technology investments. This is the right company, in the right space, the right strategy, at the right time. If you are ready for adventure, we invite you to join our amazing team and grow with us. Responsibilities Assist in mechanical design and 3D...

Are you a civil engineering student eager to apply what you've learned in the classroom to real-world projects? As a Student Engineer at MacKay & Somps , you'll gain hands-on experience supporting land development and public infrastructure efforts across Northern California. You'll work side by side with professional engineers, designers, and surveyors, helping bring communities to life through thoughtful, well-executed design. This is a great opportunity to explore career paths in civil engineering , strengthen your technical skills, and contribute to meaningful projects in a supportive and team-oriented environment. Must be authorized to work in the United States. Student Engineers work under the direction of Project Engineers , Project Managers , and CAD Designers , providing design and production support on a variety of projects, including: Preparing plans, exhibits, and figures for land development and public infrastructure projects Assisting with grading,...