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650 engineer intern jobs at 269 companies in Union City, CA

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Civil Engineer Intern
Concord, California, United States
$25-$34/hr OnsiteTemporary
APTIM
APTIM: Provides environmental, resilience, and infrastructure engineering solutions.
Currently enrolled in civil engineering or related degree with ≥60 credits and 3.0 GPA, able to complete 40-hour OSHA HAZWOPER, 18+ with clean driving record and US citizenship for base access; strong analytical and communication skills.
AutoCAD Civil 3D
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3mo
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Manufacturing Engineer Intern
Livermore, California, United States
$25/hr OnsiteFull Time, Internship
Ferrotec
FerrotecTokyo Stock Exchange: 6890: Manufacturer of semiconductor equipment and thermal management solutions.
Pursuing bachelor’s degree or higher; organized, detail-oriented, self-directed team player; strong math/analytical skills; proficient MS Office; able to lift up to 20 lbs.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2mo
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Intern, Mechanical Engineer (Fall term)
Scotts Valley, California, United States
OnsiteInternship
Heron Power
Heron Power: Developing solid-state transformers and power electronics to modernize electrical grids.
Pursuing a degree in mechanical engineering or related field; strong mechanical design experience; proficient in 3D CAD; basic electronics understanding; first principles design; good teamwork and communication.
CATIA
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1mo
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Fall 2026 Engineer Intern/Co-op - Underground Construction & Tunneling
San Jose or United States
OnsiteFull Time, Internship
Traylor Bros., Inc.
Traylor Bros., Inc.: Heavy civil contractor specializing in complex infrastructure construction projects.
Must be enrolled in a related engineering program (completed sophomore year), leadership and problem-solving ability, AutoCAD preferred, able to perform site fieldwork and lift up to 25 lbs, full-time availability for Jan–May term.
AutoCAD
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1d
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Mechanical Engineer Intern
Brisbane, California, United States
$30-$34/hr OnsiteInternship
Heirloom
Heirloom: Removes carbon dioxide from the atmosphere using limestone minerals.
Pursuing or recently completing a mechanical engineering degree; hands-on building experience, 3D CAD experience, engineering fundamentals, testing methodology, problem-solving, and communication skills required.
CAD, Finite Element Analysis (FEA), Arduino, Raspberry Pi, Microsoft Excel
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Intern
Concord, California, United States
$20-$30/hr OnsiteInternship
Jensen Hughes
Jensen Hughes: Provides fire protection and life safety engineering and consulting.
Pursuing a Bachelor's or Master's in engineering (2+ years completed), strong problem-solving and communication skills, and ability to support engineers on technical assignments.
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2mo
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Process Engineer (Intern)
Milpitas, California, United States
$30-$40/hr OnsiteInternship, Full Time
Six Sigma Microelectronics
Six Sigma Microelectronics: A stable, high-technology manufacturing focused on semiconductor processes and soldering of high-reliability ICs.
0+ YOEPursuing BS in Chemistry, Process/Materials/Mechanical Engineering or related; basic tools, root-cause analysis, DOE; strong problem-solving and communication; MS Office; teamwork.
MS Office, Caliper, Micrometer, Optical Comparator, Reticle, Toolmakers Microscope
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2mo
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Intern - Mechanical Engineer
San Francisco or Toronto
HybridInternship
Human Computer Lab
Human Computer Lab: A robotics startup and research lab building expressive, human-centered robots for everyday environments.
Pursuing an engineering degree; experience designing robotics hardware, prototyping with microcontrollers and PCBs, strong CAD (Onshape/SolidWorks/Fusion360) and 3D printing skills, and interest in human-robot interaction.
Onshape, SolidWorks, Fusion360, microcontrollers, PCBs, 3D printing
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1w
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Electrical Engineer Intern
San Mateo, California, United States
$47-$58/hr HybridInternship
Skydio
Skydio: Develops autonomous AI drones for defense and industrial inspection.
Pursuing an electrical engineering degree, strong EE fundamentals, familiarity with lab tools, Python/C, EDA/Cadence Allegro, PCB prototyping, and ability to obtain FAA Part 107 certification.
Python, C, Cadence Allegro, EDA, oscilloscope, signal generator
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1mo
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Security Engineer Intern
San Mateo, California, United States
$30-$50/hr HybridInternship
Notable
Notable: Automates administrative and clinical workflows for healthcare providers using AI.
Coursework or projects in security engineering/cloud/DevSecOps; ability to read code and automate with at least one language (Python, Go); familiarity with cloud security, IAM, CI/CD security, containers/Kubernetes; strong communication.
Python, Go, Terraform, OPA, Conftest, GitHub Actions, GitLab, SIEM, CI/CD, OWASP Top 10
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Mechanical Engineer Intern - Mechanism and Structures Design (Fall 2026)
Sunnyvale, California, United States
$5k-$6k/mo OnsiteFull Time, Internship
Strata Robotics
Strata Robotics: Developing autonomous robotic platforms for heavy outdoor construction.
Pursuing BS/MS in Mechanical Engineering, hands-on prototype build/assembly/test experience, NX CAD proficiency, fixture and mechanism design, shop comfort, attention to detail.
NX
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2w
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Robot Learning Engineer Intern
South San Francisco, California, United States
OnsiteInternship
Gritt Robotics
Gritt Robotics: Developing autonomous robots to automate outdoor construction tasks.
Pursuing MS/PhD (exceptional undergraduates considered), strong PyTorch and deep learning skills, experience in IL/RL, publications or substantial projects, ability to own end-to-end projects, and legal authorization to intern in the U.S.
PyTorch, Isaac, MuJoCo
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1d
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ASIC Design Engineer Intern (Video Silicon IP) - 2027 Summer
San Jose, California, United States
OnsiteInternship
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Currently pursuing a master's in computer science, electrical engineering, or a related discipline; knowledge of video codecs; RTL/SystemVerilog or HLS; UVM, SystemC, or DPI; Python programming.
FPGA, ASIC, SystemVerilog, High-level Synthesis (HLS), UVM, SystemC, DPI, Python
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3mo
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Software Engineer Intern
San Francisco, California, United States
OnsiteInternship
Kos
Kos: AI-powered automated financial operations for industrial infrastructure.
CS/ML student; hands-on project or internship; proficient in Python, TypeScript, or Go; experience with LLMs/agents; production-ready coder; able to work in SF onsite.
Python, TypeScript, Go, LLMs, agents, ERP integration
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3mo
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Software Engineer Intern
San Francisco, California, United States
OnsiteFull Time
Phonely
Phonely: AI-powered voice platform for automated customer phone interactions.
Pursuing or recently completed degree in Computer Science or related field; experience with JavaScript/TypeScript and modern frontend frameworks; familiarity with Next.js; strong problem-solving and debugging skills; ability to work with customers and teammates; eager to learn quickly.
JavaScript, TypeScript, React, Next.js, Python, AWS, GCP, Kubernetes, Redis, Datadog
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1w
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Platform Engineer, Intern
Berkeley, California, United States
$150/hr OnsiteInternship, Temporary
METR
METR: Develops scientific methods to assess frontier AI capabilities and risks.
Familiarity with UNIX/Linux, low-level programming (C/C++/Rust), web development (React/TypeScript), LLM concepts, and ability to learn infrastructure and cloud tooling quickly.
UNIX, Linux, C, C++, Rust, React, TypeScript, AWS, IAM, ECS, Lambda, PostgreSQL, Terraform, Pulumi, CDK, Kubernetes, Inspect
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2w
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Application Engineer Intern
San Jose, California, United States
$20-$30/hr OnsitePart Time
Advantest
AdvantestTokyo Stock Exchange: 6857: Manufacturer of automated test systems for the semiconductor industry.
Progress toward or completion of BS/MS in EE/CE/CS, coursework in device physics, circuits and OOP, prior SJSU EE182, strong analytical and problem-solving skills.
Java, Python, Git, SmarTest 8, V93000, ATE
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5d
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AI Engineer, Intern
Berkeley, California, United States
OnsiteInternship
Postman
Postman: Platform for building, testing, and managing software APIs.
Currently pursuing a BS/MS/PhD in CS, Data Science, or related; hands-on ML experience; strong Python or Rust fundamentals; exposure to PyTorch or JAX, Pandas, and SQL; clear communication skills.
PyTorch, JAX, Optax, Orbax, TensorStore, Grain, Python, Rust, Pandas, SQL, AWS, GCP, Azure, Docker, vLLM, Triton, Ray Serve
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2mo
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Project Engineer Intern - Summer 2027
Sacramento or Oakland or Commerce or San Diego or Goodyear or Manassas
$21-$28/hr OnsiteFull Time
Helix Electric
Helix Electric: Provides electrical contracting and design-build services for complex projects.
Enrolled in a bachelor’s degree program; construction or engineering focus; internship or related experience preferred; strong communication, math, and organizational skills.
BIM, Accubid, Excel, AutoCAD, Microsoft Office
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[Summer 2027] Software Engineer Intern
San Mateo, California, United States
$62/hr HybridFull Time, Internship
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
Pursuing an undergraduate or graduate degree in computer science, engineering, or a related field; proficiency in at least one listed programming language; collaborative and eager to learn.
Go, Node.js, Ruby, Python, C++, Lua, Swift, C#, Java, machine learning frameworks, agentic coding tools, large language models (LLMs)
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