Water Treatment Student Intern Johnson Service GroupWater Treatment Student InternLos Gatos, CARequired: Pursuing state certification to operate at a Drinking Water Treatment Facility or Advanced Water Treatment Facility. This hands-on internship provides experience in water treatment operations under the guidance of certified operators.
Water Conservation Student Intern Johnson Service GroupWater Conservation Student InternSan Jose, CAAssist in staffing public outreach events and the implementation of long-term programs such as the Landscape Rebate Program, including performing inspections and scheduling appointments and duties. Develop the skills and knowledge needed to assist in the implementation of water conservation programs through processing applications and answering the hotline calls.
SSG Design Engineering Intern (Fall 2026) CadenceSSG Design Engineering Intern (Fall 2026)San Jose, CA$35–$62 / hourOur customers are the world's most innovative companies, delivering extraordinary electronic products from chips to boards to complete systems for the most dynamic market applications including hyperscale computing, 5G communications, automotive, mobile, aerospace, consumer, industrial, and healthcare. It can involve RTL implementation of a specified micro-architecture in System Verilog, simulating and debugging RTL logic, running synthesis, place & route and other Electronic Design Automation (EDA) tools to study and achieve timing, area, and power goals.
Field Sales Engineering Intern - Summer 2026 Amphenol TCSField Sales Engineering Intern - Summer 2026Santa Clara, CaliforniaAmphenol Corporation is one of the world’s largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable. Amphenol Corporation is one of the world's largest designers and manufacturers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial and high-speed specialty cable.
Site/Civil Engineering Intern Tetra Tech IncSite/Civil Engineering InternOakland, CAWith 25,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. Join Tetra Tech's California team as a Site/Civil Engineering Intern supporting a diverse mix of infrastructure projects across municipal, commercial, and private clients.
NewManufacturing Equipment Engineering Intern Peak EnergyManufacturing Equipment Engineering InternBurlingame, CA$30–$35 / hourDay to day, you will partner closely with cross-functional teams including Process, Quality, Design, Manufacturing, and Engineering Technicians to help deliver fully operational, production-ready manufacturing lines. One day you might be helping develop a vision-based inspection system in the lab; another, you could be out on the pilot line working alongside engineers and technicians to troubleshoot equipment, improve tooling, or engineer a manufacturing process that can scale to commercial production.
Engineering Intern (Civil & Survey) Tetra Tech IncEngineering Intern (Civil & Survey)Oakland, CA$22–$25 / hourWith 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. About Tetra Tech: Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide.
2026 Fall Engineering Intern Estes Energy2026 Fall Engineering InternSan Francisco, CARoughly 3.9 million barrels of diesel (5.8 TWh of energy) are burned every day in the U.S., mostly by commercial vehicles and equipment — emitting 1.66 megatonnes of CO, 353 kilotonnes of NOx, and 9.92 kilotonnes of SOx daily. Contribute to the design, build, and test of components or subsystems within our power systems (mechanical, electrical, controls, battery, manufacturing, or systems engineering — depending on your focus).
Electrical Engineering Intern [Fall 2026] Figure AI IncElectrical Engineering Intern [Fall 2026]San Jose, CA$40–$45 / hourExperience with power electronics (motor driver, switch mode power supplies…), digital electronics (MCU, FPGA, Ethernet, USB, SPI, I2C…), and analog electronics (filters, ADC/DAC…). Responsibilities: Design and test full or sub sections of PCBAs on the Humanoid like power distribution boards, battery management systems, sensing boards, motor controllers, or computer boards.
Engineering Intern FluencyEngineering InternSan Francisco, CaliforniaRather than hiring into a fixed role, we place interns into one of three tracks based on your skillset and interests, decided together during your first two weeks: Product Engineering: Build user-facing features end to end and ship real product to real users, working across the stack with designers and product leads. Our OS-level agent maps how work actually happens across every application an employee uses, with zero integrations required, then surfaces where AI will deliver real ROI and measures the impact of every transformation initiative.
Process Engineering Intern BillionToOne IncProcess Engineering InternUnion City, CAOur revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA,a breakthrough that has already transformed the lives of over half a million patients worldwide. At BillionToOne, we've built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all.
Software Engineering Intern (Summer 2026) ZettabyteSoftware Engineering Intern (Summer 2026)Palo Alto, CaliforniaYou'll contribute to real production code across cloud-native infrastructure, platform tooling, and backend services—working alongside a senior engineering team that moves fast and ships impactful work. Leverage AI-assisted coding tools (GitHub Copilot, Cursor IDE, ChatGPT, etc.) to move fast and write quality code.
SSG Design Engineering Intern (Fall 2026) Cadence SystemsSSG Design Engineering Intern (Fall 2026)San Jose, CaliforniaOur customers are the world’s most innovative companies, delivering extraordinary electronic products from chips to boards to complete systems for the most dynamic market applications including hyperscale computing, 5G communications, automotive, mobile, aerospace, consumer, industrial, and healthcare. It can involve RTL implementation of a specified micro-architecture in System Verilog, simulating and debugging RTL logic, running synthesis, place & route and other Electronic Design Automation (EDA) tools to study and achieve timing, area, and power goals.
Mechanical Engineering Intern, Brain Interfaces NeuralinkMechanical Engineering Intern, Brain InterfacesSouth San Francisco, CAOur team also develops test infrastructure to accelerate hardware development and manufacturing, designs electronics packaging for our charger and implant electronics, and creates tooling to interface the implant with the surgical robot. Job Description and Responsibilities: As a Mechanical Engineering Intern, you will support the design and production of hardware solutions for our brain-computer interface devices, including components for surgical robotics, automation, microfabrication, and more.
Mechanical Engineering Intern, Robotics NeuralinkMechanical Engineering Intern, RoboticsSouth San Francisco, CARequired Qualifications: 6+ months experience of in the application of technical skills outside of the classroom (examples depending on the role: laboratory, research, extracurricular project teams, open source contributions, volunteering, personal projects or prior internship/work experience). Job Description and Responsibilities: As a Mechanical Engineering Intern at Neuralink, you will have the opportunity to design and produce hardware solutions for our brain-machine interface devices, including surgical robotics, automation, microfabrication, and more.
Software Engineering Intern Beacon SoftwareSoftware Engineering InternSan Francisco, CaliforniaYou will work directly with our senior engineers on the platforms that power how we operate the portfolio: data ingestion across 25+ portcos, internal tools used by our operating team every day, and AI-powered workflows that we are embedding into both Beacon HQ and the portfolio products themselves. How We Use AI in Our Hiring Process: To ensure transparency, we want candidates to know that Beacon Software uses Artificial Intelligence and AI-enabled tools to assist with screening, reviewing, organizing and highlighting profiles and applications that match the key requirements for each role.
Electrical Engineering Intern - Fall Atomic SemiElectrical Engineering Intern - FallSan Francisco, California$105,000–$126,000 / yearYou will work closely with other engineers to develop lithography systems, deposition tools, vacuum chambers, nanometer precision motion control, plasma etching systems, and related tools. Working at Atomic Semi We’re an early-stage hardware startup with solid funding, world-class advisors, and a lab/office in San Francisco, CA.
Development Engineering Intern (Fall 2026) First Solar IncDevelopment Engineering Intern (Fall 2026)Santa Clara, CA$27.50–$31.25 / hourAbility to wear personal protective equipment is required (including but not limited to; steel-toed shoes, gloves, safety glasses, hearing protection, protective jacket or apron and arm guards, and a condition of employment and continued employment (requires little or no facial hair) for those requiring respirator use. Basic Internship Scope (Project): Develop novel perovskite chemistries to enhance photovoltaic device efficiency, stability, and reproducibility.
Product Design Engineering Intern, Summer 2026 Mill Industries IncProduct Design Engineering Intern, Summer 2026San Bruno, CA$35–$45 / hourTens of thousands of Mill's residential food recyclers are already helping households divert millions of pounds of food scraps every year, paving the way for our upcoming launch of Mill Commercial-the industry's first end-to-end solution for managing, understanding, and preventing food waste in commercial environments (e.g. We build smart systems and infrastructure for homes, businesses, and municipalities that transform food scraps from landfill-bound waste into valuable resources, including chicken feed.
Software Engineering Intern InsteadSoftware Engineering InternSan Francisco, CaliforniaWhat makes us unique: we hold full government approvals with the IRS, 48 states, and all cities to e-file 1040, 1041, 1120, 1120S, and 1065, with 706, 709, 990, 5500, 2290, and PPT coming for tax year 2026. You'll ship production code that hundreds of accounting firms use, work alongside senior engineers, and get hands-on experience building with AI tools from day one.