126 2026 intern jobs at 45 companies in Cotati, CA
2mo
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Acoustic Data Intern (Fall 2026)
San Francisco, California, United States
$62/hr OnsiteFull Time, Internship
Pursuing a Master’s or PhD in EE/CS/Mathematics/Physics or related; experience with Python and C/C++, ML/AI, acoustic simulations, data pipelines (SQL, Spark); strong communication; available full-time Mon–Fri for a 12-week internship Sept–Dec 2026.
Python, C/C++, SQL, Spark, Databricks, COMSOL, Treble, pyroomacoustics, SMAART
2d
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Secondaries & Primaries Intern – September 2026 I SF
San Francisco, California, United States
OnsiteFull Time, Internship
May 2026 graduate or undergraduate student available full time through December; requires English fluency, corporate finance knowledge, Excel modeling, analytical, writing, organization, and motivation.
Microsoft Excel
3mo
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Political Data Intern - Fall 2026
Oakland or United States
RemoteInternship, Volunteer
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.
WeVote Ballot Guide, Twitter
1mo
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Accounting Intern (Fall 2026)
South San Francisco, California, United States
$34/hr OnsiteFull Time, Internship
Must have completed second year of undergraduate studies in Accounting (Masters eligible). Comfortable with spreadsheets, basic accounting tasks, journal entries, reconciliations, and supporting month-end close.
Microsoft Excel, Google Sheets
3w
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Administrative Intern (December 2026)
San Francisco, California, United States
$18-$20/hr HybridInternship
Office experience, calendar management, Excel reporting, strong written/spoken English, analytical skills, multitasking and client relationship abilities.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Teams
2mo
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Research Intern (Fall 2026)
San Francisco, California, United States
OnsiteFull Time, Internship
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.
PyTorch, JAX
1mo
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Growth Intern (Summer 2026)
San Francisco, California, United States
$28-$50/hr OnsiteFull Time, Internship
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.
Notion, Excalidraw, Zapier, HubSpot
1mo
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2026 Fall Engineering Intern
San Francisco, California, United States
OnsiteMultiple Commitments Available
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.
1mo
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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/hr OnsiteFull Time
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.
2mo
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Frontier Agents Intern (Fall 2026)
San Francisco, California, United States
$58-$63/hr OnsiteInternship
Pursuing a Masters or PhD in CS/EE/Information Science or related field; publications in top ML/NLP/speech venues; strong ML/DL fundamentals; experience with PyTorch or JAX; Python proficiency; familiarity with transformer architectures and LLMs.
PyTorch, JAX, Python, FlashAttention, Mamba, FlexGen, Petals, RedPajama
2mo
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Acoustic Data Intern (Fall 2026)
San Francisco, California, United States
$62/hr OnsiteFull Time, Internship
Pursuing a Master's or PhD in EE/CS/Math/Physics or related; experience with Python and C/C++; machine learning and acoustic simulation experience; familiarity with data pipelines, SQL/Spark, and visualization; strong communication.
Python, C/C++, SQL, Spark, Databricks, COMSOL, Treble, pyroomacoustics, SMAART
2mo
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CTE Intern
Santa Rosa, California, United States
$21/hr OnsiteFull Time
Must be a 2026 high school graduate; willingness to learn, attention to detail, teamwork, job/shift flexibility, and positive attitude.
Enterprise Resource Planning (ERP), Shop Floor Control Production/Test tracking system
1w
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RF Hardware Intern (Fall 2026)
San Francisco, California, United States
$40-$60/hr OnsiteInternship
Enrolled MS or PhD in EE/RF-related field, available for a fall-start onsite internship in San Francisco; experience with RF circuits, lab instruments, embedded C/C++, Python, and PCB/Altium is preferred.
Python, C/C++, Altium Designer, ADS, HFSS, CST, VNA, spectrum analyzer, signal generator, oscilloscope, power meter, SDR, SPI, I2C, UART
1mo
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Investment Banking Intern (Fall 2026)
San Francisco, California, United States
OnsiteFull Time
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.
Microsoft Excel, PowerPoint
1mo
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Mechanical Engineering Intern (Summer 2026)
San Francisco, California, United States
OnsiteInternship, Full Time
Pursuing a mechanical engineering (or related) degree, proficiency with 3D CAD, understanding of tolerancing and manufacturing, available full-time in-person in San Francisco for ≥10 weeks.
3D CAD
1mo
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Corporate Wellness Intern - Fall 2026
South San Francisco, California, United States
OnsitePart Time, Internship
Currently enrolled in a bachelor's or master's in exercise science/kinesiology/related, accepting course credit for an unpaid 12-16 week onsite internship, CPR/AED and First Aid required, minimum 20 hours/week.
1mo
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Reliability Design Intern (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Currently pursuing a B.S. in electrical or computer engineering; interest in power electronics and hardware development; ability to design, build, and test hardware; willingness to learn reliability analysis and DFMEA; coding ability for testing.
LTSpice, PSPICE, ADS, Python
1w
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Customer Advocacy Intern (Fall 2026)
San Francisco, California, United States
$27/hr OnsiteInternship, Full Time
Pursuing a related degree, available for a full-time 12-week fall internship in San Francisco, strong writing and research skills, project management, and ability to work cross-functionally with AI tools to scale customer advocacy.
3mo
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Software Engineer Intern (Fall / Winter 2026)
San Francisco or Canada
RemoteInternship
Enrolled in a post-secondary program; available for a full-time 3-6 month internship; remote; roles across frontend, backend, full-stack, and infrastructure.
3w
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Customer Advocacy Intern
San Francisco or United States
$25-$30/hr RemoteInternship
BA/BS (graduated 2026), strong writing and organizational skills, comfort with spreadsheets and systems, interest in AI workflows and customer storytelling.
Salesforce
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