136 2026 intern jobs at 58 companies in Fairfax, CA
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Secondaries & Primaries Intern – September 2026 I SF
San Francisco, California, United States
OnsiteFull Time, Internship
Ardian: Investing across private markets to deliver long-term performance globally.
May 2026 graduate or undergraduate student available full time through December; requires English fluency, corporate finance knowledge, Excel modeling, analytical, writing, organization, and motivation.
Sunday: Developing autonomous robots to perform household chores.
Currently enrolled in a BS/MS engineering program; experience with CAD (OnShape or SolidWorks), prototyping, DFM/DFA, and hands-on manufacturing or intern/project experience preferred.
WeVote: Provides digital voter guides and open-source civic technology.
Interest in civic engagement, detail-oriented, able to collaborate remotely, located in the US, access to device/internet, 10 hrs/week for 10–12 weeks (Fall interns), alignment with nonpartisan mission.
Estes Energy: Develops zero-emission battery systems for commercial vehicle electrification.
Pursuing an engineering degree or equivalent hands-on experience; able to design, build, and test components or subsystems; run experiments, analyze data, document results, and take ownership of a project.
Lambda: Provides high-performance GPU cloud infrastructure for AI development.
Current JD student, preferably 2L or 3L, with contracts coursework, strong legal writing and analytical skills, and willingness to use AI-assisted tools; must work at least one day weekly in San Francisco.
Phonic: Building a platform for lifelike, reliable voice AI agents.
Proven original research work; proficiency in PyTorch or JAX; strong math, probability, optimization, and linear algebra skills; ability to design experiments and implement models from papers; strong written and verbal communication.
SellScale: AI-powered sales automation software for outbound lead generation.
Prior product marketing/content creation/video editing experience in a startup; able to work in San Francisco office 3–5 days/week; interest in agentic AI; familiarity with Notion, Excalidraw, Zapier, and HubSpot.
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
2026 high school graduates for a one-year manufacturing internship; willingness to learn, positive attitude, attention to detail, teamwork, and shift flexibility. May perform materials handling, assembly, testing, quality inspection, and ERP data entry.
ERP, Shop Floor Control Production/Test tracking system
2026-2027 Health, Safety and Environment Intern (Returning Intern)
Richmond or Pasadena or Bakersfield or Belle Chasse or Pascagoula or Midland or Covington or Geismar or El Segundo or Houston or Ames or Greeley or San Ramon or Salt Lake City or Denver
$24-$38/hrOnsiteFull Time
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOEPursuing a bachelor’s, master’s, or PhD in relevant environmental, safety, or engineering fields; ≤2 years experience; willing to work domestic and international locations; strong regulatory and analytical interest.
Anyware Robotics: Develops autonomous mobile robots for warehouse and logistics automation.
Pursuing an engineering degree; experience designing PCBAs and working with electrical circuits, sensors, actuators, PLCs/microcontrollers, and diagnostic tools; strong communication skills.
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Undergraduate student in nuclear engineering or a relevant scientific discipline with neutron detection, experimental nuclear physics, experimental design, and Python or C++ experience; must be eligible as a U.S. person.
ComCap: Boutique investment bank advising the digital commerce and technology sectors.
Junior or senior undergraduate with 3.5+ GPA, US work authorization, financial modeling and Excel skills, PowerPoint, strong writing and communication, research and valuation ability.
Fort Collins or Minnesota or Massachusetts or California or Denver or Loveland or Boulder or St. Paul or Boston or San Jose or Palo Alto or Berkeley
$26-$36/hrOnsiteInternship
Advanced EnergyNasdaq: AEIS: Provides precision power conversion and control technology solutions.
Post-graduate Electrical or Computer Engineering student with GPA above 3.25, lab debugging experience, Windows and MS Office proficiency, and ability to use electrical test and design tools.
oscilloscopes, power meters, multimeters, logic analyzers, firmware interface tools, Windows, Microsoft Office Suite, CAD, UART, SPI, I2C
CloudflareNYSE: NET: Provides security and performance services for internet properties.
Currently pursuing or recently completed a bachelor's degree in marketing, communications, hospitality, event management, business, or related field; strong organization, communication, collaboration, and problem-solving skills.
Astranis: Builds and operates small geostationary communications satellites.
Pursuing a degree in Mechanical, Electrical, or Aerospace Engineering; onsite 5 days/week; strong interest in hardware reliability; good communication; ability to multitask.
Python, MATLAB, Data Acquisition (DAQ), Thermal Chamber, Vibration Table
Zipline: Operates an autonomous drone delivery system for medical supplies.
0+ YOEPursuing undergrad/grad in engineering or related fields; second year completed; in-person internship at SSF or Dallas; CAD (NX) and manufacturing/process knowledge; APQP/PPAP awareness; RCA/CA tools; strong problem-solving in fast-paced setting.
New York City or San Francisco or Los Angeles or Irvine or McLean or Washington
HybridInternship, Full Time
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
First- or second-year student at an ABA-accredited law school with strong legal research, writing, analytical, grammar, organizational, and deadline-management skills; Westlaw and Microsoft Office experience required.
Haladir: Decisional AI layer for logistics and supply chain optimization.
B2B software sales experience across the full cycle, technical competency with APIs, data, AI tools, and automation, willingness to relocate and travel frequently, and US work authorization.