Manufacturing Engineer Intern RD Rubber Technology CorporationManufacturing Engineer InternSanta Fe Springs, California$20As a manufacturing engineering & technical support intern, you prepare calculations and reports, gain experience with engineering systems, integrate tracking plans, and perform analysis of mechanical design choices. We are dedicated to remaining at the forefront of the custom rubber molded components industry through continual improvement and innovation with the use of engineered manufacturing techniques.
Art & Nature Category Management Project Intern (TikTok Shop - Art & Nature) - 2026 Start (BS/MS) TikTok IncArt & Nature Category Management Project Intern (TikTok Shop - Art & Nature) - 2026 Start (BS/MS)Los Angeles, CAAcquire and incubate merchants to support category growth; map and onboard strategic supply partners (greenhouses, crystal suppliers, artists/galleries, distributors, auction houses); drive activation, growth, retention, and operational health. We aim to bring discovery, inspiration, and joy back to shopping by making TikTok the leading, on-trend commerce platform of choice for brands, creators, and shoppers.
2026 Fall Internship - Supplier Quality Engineering Intern Vast2026 Fall Internship - Supplier Quality Engineering InternLong Beach, California$35–$40 / hourVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
Ai-First Engineering Intern XsollaAi-First Engineering InternLos Angeles, CA$20–$25 / hourThat combination is the point: senior engineers give you a bar for what production-grade, customer-facing code looks like, and your fellow interns give you a peer group to trade ideas, code, and AI workflows every week. What you build is expected to reach real users - whether that's an internal tool an engineering team adopts or a customer-facing integration - not a throwaway exercise that gets shelved after your internship ends.
Product Development & Systems Engineering Intern SprintRay IncProduct Development & Systems Engineering InternLos Angeles, CA$32–$35 / hourContribute to early-stage product concepts, V0 prototypes, and validation experiments across hardware and software Learn SprintRays 3D printing technology from the ground up-running prints, post-processing parts, troubleshooting failures, and documenting what works (and what doesn't) Work hands-on with SprintRay devices to understand workflows and identify improvement opportunities Analyze product usage data and customer behavior patterns to identify opportunities for improvement Help optimize printing workflows based on real-world testing and user feedback Document findings, create process improvements, and contribute to internal knowledge bases Build V0 prototypes or automation workflows using AI tools Participate in customer visits and user research sessions to understand real-world problems Ship features or workflow improvements end-to-end with mentorship. Currently pursuing Masters degree (or final year of undergraduate) in Industrial Engineering, Systems Engineering, Engineering Management, Product Development or related technical field Builder mentality - you've designed and built things (software prototypes, automation workflows, AI agents, side projects, startups, etc.) Data fluency - can analyze datasets and extract actionable insights Intensely curious - you take things apart (literally or figuratively) to understand how they work Strong bias for action - you'd rather build and test than debate hypotheticals Good judgment about user experience and product quality.
Test and Operations Engineering Intern - Fall 2026 HermeusTest and Operations Engineering Intern - Fall 2026Los Angeles, CAFall: Around 16 weeks (August - December) Responsibilities: Work alongside experienced engineers to support the planning, execution, and analysis of flight tests, gaining direct exposure to real-world aerospace challenges. You will work alongside engineers, technicians, and cross-functional teams to assist with hardware integration, system checkout, development testing, and test readiness activities.
Test And Operations Engineering Intern - Fall 2026 HermeusTest And Operations Engineering Intern - Fall 2026Los Angeles, CA$25–$33 / hourResponsibilities: Work alongside experienced engineers to support the planning, execution, and analysis of flight tests, gaining direct exposure to real-world aerospace challenges. You will work alongside engineers, technicians, and cross-functional teams to assist with hardware integration, system checkout, development testing, and test readiness activities.
Mechanical Engineering Intern - Fall 2026 HermeusMechanical Engineering Intern - Fall 2026Los Angeles, CA$25–$33 / hourThe Fluids Team is responsible for the design and integration of hydraulic systems, fuel systems, and their supporting structural components for cutting-edge hypersonic aircraft. Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today.
Electrical Engineer Intern Castelion CorporationElectrical Engineer InternTorrance, CaliforniaCastelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. To conform to U.S. Government export regulations, the applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
Propulsion Engineer Intern - Fall 2026 HermeusPropulsion Engineer Intern - Fall 2026Los Angeles, CAHermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. Hermeus takes various factors into account, including, but not limited to, the position's scope and responsibilities, the candidate's professional background, education and training, essential skills, and market and business considerations, when presenting a job offer.
Embedded Software Engineer Intern Castelion CorporationEmbedded Software Engineer InternTorrance, CaliforniaCastelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. To conform to U.S. Government export regulations, the applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
NewFrontend Engineer Intern (6 month internship) Centerfield Media Holdings LLCFrontend Engineer Intern (6 month internship)Los Angeles, CAYoull ship real features - building new applications from scratch and extending or redesigning existing products, contributing to high-traffic sites like Savings.com. As a Frontend Engineer Intern at Centerfield, youll join our engineering team building intuitive, high-performance consumer-facing web interfaces used by millions of shoppers.
Intern, Safety & Environmental Orange County Transportation AuthorityIntern, Safety & EnvironmentalOrange, CaliforniaAs a College Intern supporting the Health, Safety, Environmental & Compliance (HSEC) team, you'll gain hands-on experience working alongside industry professionals on projects that advance workplace safety, environmental compliance, and organizational sustainability. Current full-time enrollment in an accredited college or university pursuing a degree in Environmental Science, Occupational Safety, Public Health, Environmental Engineering, Industrial Hygiene, Business Administration, or a related field.
Corporate & Institutional Banking Undergraduate Intern – Agency Finance PNC BankCorporate & Institutional Banking Undergraduate Intern – Agency FinanceCalabasas, CaliforniaRequired Education and Experience : Working toward bachelor’s degree, preferred business relevant majors (e.g., Finance, Accounting, IT, Economics, Marketing, Math, Statistics, HR, Management, Communications, Business Law, Psychology, Logistics, Engineering, Computer Science, Actuarial Sciences), junior status. Interns will work directly with the Relationship Team and senior management to support daily operations related to underwriting (portfolio administration, periodic reviews, due diligence reviews, loan documentation and fulfillment) and sales functions (pre-call planning, client research, pre-screen, relationship reviews, and loan structuring).
Battery Engineering Intern (Summer 2026) Impulse Space Propulsion Inc.Battery Engineering Intern (Summer 2026)Redondo Beach, CAThis position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Impulse Space's spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR).
Intern, Power Electronics Engineering Harbinger MotorsIntern, Power Electronics EngineeringGarden Grove, California$25–$35 / hourHarbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.
Project Management Intern SprintRay IncProject Management InternLos Angeles, CA$25–$32 / hourTo All Recruitment Agencies: Without a written agreement signed by an officer of SprintRay: a) SprintRay does not accept resumes from recruiting agencies, headhunters, or any other party expecting payment in the event SprintRay speaks with or hires a candidate from such submitted resume; b) SprintRay is not responsible for any fees related to unsolicited resumes or related Terms of Service, and c) Unsolicited resumes received will be considered the property of SprintRay and will be processed accordingly. The Project Management Intern will be responsible for supporting the execution of projects with a focus on regulatory compliance and long-term sustainment: R&D Support: Coordinate and track daily activities for 5-10 person cross-functional teams focused on the delivery of new hardware features and systems.
Precision Cleaning Intern (Fall 2026) Impulse SpacePrecision Cleaning Intern (Fall 2026)Redondo Beach, CA$30 / hourTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Support design of cleaning methods that improve manufacturability and repeatability; collaborate with suppliers or internal teams on cleaning equipment, chemistry, or tooling.
Finance & AI Automation Intern Faraday & Future IncFinance & AI Automation InternEl Segundo, CAKey Responsibilities: AI & Automation: Use AI tools (and basic Python or no-code tools where helpful) to help speed up data cleaning, categorization, research, and reporting that the team does manually today; help build, test, and document small automations and AI workflows under the guidance of the finance team. The Company, together with its controlled subsidiaries, operates across multiple technology-driven areas, including AI electric vehicles, robotics, and its crypto business (AIXC), all under its upgraded Global EAI Industry Bridge Strategy, marking the beginning of a new chapter in AI mobility and Web3 integration.
Community Operations Intern Faraday & Future IncCommunity Operations InternEl Segundo, CAThe Company, together with its controlled subsidiaries, operates across multiple technology-driven areas, including AI electric vehicles, robotics, and its crypto business (AIXC), all under its upgraded Global EAI Industry Bridge Strategy, marking the beginning of a new chapter in AI mobility and Web3 integration. Industry Knowledge: Solid understanding of the North American humanoid robotics industry (e.g., Tesla Optimus, Figure, 1X) and the Web3 space - community culture, DAO governance, and common playbooks such as airdrops, whitelists, and NFT communities.