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26 materials engineer intern jobs found

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Intern materials engineer intern California
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CV
Mar 01, 2026
Intern
R & D Engineering Intern-CM
Cla-Val Costa Mesa, CA, USA
Applicants are considered for positions within the company without regard to race, color, creed, religion, sex, sexual orientation, gender, gender identity and/or expression, age, national origin or ancestry, physical or mental disability, military or protected veteran status, marital or parental status, medical condition unrelated to the person's ability to perform the job, pregnancy, genetic information, political affiliation, citizenship, or any other basis protected by federal, state, or local laws. Any offer of employment is contingent upon your successful completion of a pre-employment substance abuse and physical screening, verification of documents pertaining to your right to work in the United States using E-VERIFY, and completion of required employment documents GRISWOLD INDUSTRIES R&D Engineer Intern JOB DESCRIPTION : Job Summary: Under moderate to extensive supervision, apply mechanical & electrical engineering principles to product development...
DC
Feb 28, 2026
Intern
Manufacturing Engineering Intern
DCX-CHOL Enterprises, Inc. Los Angeles, CA, USA
Company Overview: DCX-CHOL Enterprises Inc. is a leading source for high performance interconnect products. We design, engineer, and produce cable assemblies, wiring harnesses, conduit assemblies, custom connectors, wire enclosures and much more! We are privately held American owned Small Business made up of five (5) vertically integrated manufacturing and assembly divisions, each with their own history, specializations and products. Position Purpose: The Manufacturing Engineering Intern will support the Manufacturing Engineering Department with day-to-day activities related to manufacturing documentation, production support, and process improvement. This internship is designed to provide hands-on learning experience in cable assembly, electro-mechanical manufacturing, basic 3D printing, and ERP-based production systems within an aerospace and defense manufacturing environment. Position Description: The intern will work closely with Manufacturing Engineers, Production, and...
EC
Feb 15, 2026
Intern
Substation Design Engineer Intern -Part Time
E2 Consulting Engineers, Inc. Remote (Pasadena, CA, USA)
About the Organization E2 Consulting Engineers, Inc. (E2) is a professional services firm established in 1988 specializing in a full spectrum of engineering services including project engineering and design, federal base operations and infrastructure support services, gas pipeline construction and inspection services, environmental consulting and remediation, and information technology services. Overview The substation Protection & Control design deliverables include one-line & three-line diagrams, AC & DC elementary & logic diagrams, front & rear panel elevations and wiring, supervisory & control drawings, electrical vendor equipment wiring diagrams, complete cable schedule and bill of materials. The substation Physical design deliverables include general arrangement drawings, electrical equipment plan & elevation drawings, above & below grade conduit & grounding drawings, relay house layout and complete bill of materials....
Fo
Feb 05, 2026
Intern
Project Engineer Summer Internship
$27.00 hourly
Forgen Rocklin, CA, USA
Forgen is dedicated to building a better future - for generations. Location: Rocklin, CA Position Summary Forgen is seeking students pursuing degrees in Civil Engineering, Construction Management, or related field; and other interested candidates to join our various project locations for internship opportunities. This internship applies the general knowledge of the physical sciences and mathematics underlying engineering and specialized knowledge of the mechanics of solids (particularly of soils), hydraulics, theory of structure, strength of materials, engineering geology and surveying. The Project Engineer Intern assists with the overall execution of projects in accordance with the established budget, schedule, contract plans and specifications. Ensure the company's safety culture is documented, communicated, and enforced in accordance with the company's established policies and procedures. Forgen Overview Forgen is a leading geotechnical and specialty civil...
CP
Jan 17, 2026
Intern
Mechanical Engineer Intern
CalPortland Mojave, CA, USA
Job Summary CalPortland is seeking a summer intern for the Mojave cement plant. This internship is ideal for a student interested in mechanical engineering. The intern will have the opportunity to work on a variety of heavy capital projects and/or maintenance projects. Exposure to a cement plant. Compensation $23.00-$27.00/hr Responsibilities Complete Safety and MSHA training and any other site/job specific required training Carry-out and practice all Safety training and Company policies in the CalPortland workplace Provide help, designing and budgeting for projects at multiple plant locations Additional work with reliability and project engineers Assist in routine housekeeping and maintenance of the facilities Learn about other CalPortland departments and interface as required Attend Summer Intern Orientation event at Corporate Headquarters in Las Vegas, NV Perform plant tasks as assigned Education Currently pursuing a bachelor's degree in Civil...
CP
Oct 03, 2025
Intern
Mechanical Engineer Intern
CalPortland CA, USA
Job Summary CalPortland is seeking a summer intern for the Oro Grande cement plant. This internship is ideal for a student interested in mechanical engineering. The intern will have the opportunity to work with the plants mechanical/maintenance department. This intern will gain insight into the cement and building materials industry. Compensation $20.50-$27.00/hr DOE Responsibilities Complete Safety and MSHA training and any other site/job specific required training Carry-out and practice all Safety training and Company policies in the CalPortland workplace Provide support to the Oro Grande Maintenance Mechanical team. Assist in PM instruction develeopment Learn about cement plant operations Additional work with plant engineers Assist in routine housekeeping and maintenance of the facilities Learn about other CalPortland departments and interface as required Attend Summer Intern event at Corporate Headquarters in Las Vegas, NV Perform plant tasks as...
AS
Apr 01, 2026
Intern
Electrical Engineering Intern - Fall
Atomic Semi San Francisco, CA, USA
About Atomic Semi Atomic Semi is building a small, fast semiconductor fab. It's already possible to build this with today's technology and a few simplifications. We'll build the tools ourselves so we can quickly iterate and improve. We're building a small team of exceptional, hands-on engineers to make this happen. Mechanical, electrical, hardware, computer, and process. We'll own the stack from atoms to architecture. Our team is optimistic about the future and we want to continue pushing the limits of technology. Smaller is better. Faster is better. Building it ourselves is better. We believe our team and lab can build anything. We've set up 3D printers, a wide array of microscopes, e-beam writers, general fabrication equipment - and whatever is missing, we'll just invent along the way. Atomic was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years. About the...
AS
Apr 01, 2026
Intern
Mechanical Engineering Intern - Fall
Atomic Semi San Francisco, CA, USA
About Atomic Semi Atomic Semi is building a small, fast semiconductor fab. It's already possible to build this with today's technology and a few simplifications. We'll build the tools ourselves so we can quickly iterate and improve. We're building a small team of exceptional, hands-on engineers to make this happen. Mechanical, electrical, hardware, computer, and process. We'll own the stack from atoms to architecture. Our team is optimistic about the future and we want to continue pushing the limits of technology. Smaller is better. Faster is better. Building it ourselves is better. We believe our team and lab can build anything. We've set up 3D printers, a wide array of microscopes, e-beam writers, general fabrication equipment - and whatever is missing, we'll just invent along the way. Atomic was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years. About the...
Ra
Apr 01, 2026
Intern
Manufacturing Engineering Intern (Summer 2026)
Ralliant Hollister, CA, USA
PacSci EMC, a Ralliant Operating Company, delivers innovative energetic material solutions that enable mission success across aerospace and defense. As part of our commitment to developing future talent, we are seeking a Manufacturing Engineering Intern for Summer 2026, with probability of part time thereafter . In this role, you will gain hands-on experience in a fast-paced, highly regulated environment while supporting engineering and manufacturing initiatives. You will collaborate with engineers, technicians, and cross-functional teams on real-world projects that drive operational excellence, product quality, and continuous improvement. Key Responsibilities Support the development and completion of compliance matrices. Assist in preparing and updating PFMEA documentation. Contribute to risk assessments for manufacturing processes. Participate in the design of tooling to support production. Conduct process development experiments and report findings. Actively...
KS
Mar 27, 2026
Intern
Intern, Mechanical Engineering
Kulicke & Soffa Santa Ana, CA, USA
Job Description Working with various Engineers on ME team, intern will assist in completing tasks. Assembly and testing new designs and/or commercial components along with data collection/reporting are the primary tasks. Analysis of results, test report writing and review will be required. Additional work with NX CAD to help design and detail parts used in assemblies may be required (no prior NX experience needed). Responsibilities See above Qualifications 3+ years of Mechanical Engineering college completion. Familiar with using a CAD program (Solidworks or AutoCAD or equivalent). Hands on skills, ability to put together mechanical assemblies, use measurement equipment and interest in mechanical assembies.
Im
Mar 26, 2026
Intern
Engineering Intern
Imerys Lompoc, CA, USA
The Company Imerys is the world's leading supplier of mineral-based specialty solutions for the industry with €3.4 billion in revenue and 12,300 employees in 40 countries in 2025. The Group offers high value-added and functional solutions to a wide range of industries and fast-growing markets such as solutions for the energy transition and sustainable construction, as well as natural solutions for consumer goods. Imerys draws on its understanding of applications, technological knowledge, and expertise in material science to deliver solutions which contribute essential properties to customers' products and their performance. As part of its commitment to responsible development, Imerys promotes environmentally friendly products and processes in addition to supporting its customers in their decarbonization efforts. Imerys is listed on Euronext Paris (France) with the ticker symbol NK.PA. The Position Engineering Intern Job Summary Intern - Summer 2026...
TA
Mar 26, 2026
Intern
Maintenance Engineering Intern
Toray Advanced Composites USA, Inc. Morgan Hill, CA, USA
Toray Advanced Composites (TAC) is a leading supplier of advanced composite materials for aerospace, sporting goods, motorsport, and industrial markets. You will find our thermoset composite products on nearly every satellite, space launch vehicle, unmanned aircraft, military and commercial aircraft in production today. TAC also provides composites materials to industrial and recreational applications including mountain bikes, medical prosthetics, and sports equipment. Our thermoplastic prepregs, known in the industry as Cetex®, are found in a wide range of commercial and military aircraft, including large wing structures and interior applications like seats and galleys. Our Cetex products are available in unidirectional tape or fabric form in a variety of engineered thermoplastic resins including PAEK, PEKK, PEEK, PPS, PEI as well as a full line of performance thermoplastics including Nylon, PET, PC/ABS, HDPE, and PP. Summary of Functions: The Maintenance Engineering Intern...
Co
Mar 26, 2026
Intern
Civil Engineering College Summer Intern (Public Works)
City of Gilroy, CA CA, USA
Salary: $16.90 - $18.84 Hourly Location : CA 95020, CA Job Type: Internship Job Number: FY 25/26 -00046 Department: Public Works Opening Date: 03/24/2026 Closing Date: 4/14/2026 5:00 PM Pacific CIVIL ENGINEERING COLLEGE SUMMER INTERNSHIP Public Works Department, Engineering Division 15 - 25 hours per week $16.90 - $18.84 per hour This is an on-site position that actively supports department operations. The City of Gilroy is an equal opportunity employer and supports workforce diversity, equity, inclusion and belonging. ABOUT THE POSITION Are you a motivated and aspiring Civil Engineer looking to apply your knowledge in a real-world setting? The City of Gilroy is recruiting for a Civil Engineering Intern to support critical projects that directly impact the community. As an Intern, you will assist in the design, analysis, and implementation of infrastructure projects, gaining exposure to municipal engineering processes. As a Civil Engineering Intern, you...
Co
Mar 25, 2026
Intern
Civil Engineering College Summer Intern
City of Gilroy, CA CA, USA
Salary: $16.90 - $18.84 Hourly Location : CA 95020, CA Job Type: Internship Job Number: FY 25/26 -00045 Department: Utilities Department Opening Date: 03/23/2026 Closing Date: 4/14/2026 5:00 PM Pacific CIVIL ENGINEERING COLLEGE SUMMER INTERNSHIP Utilities Department, Engineering Division 15 - 25 hours per week $16.90 - $18.84 per hour This is an on-site position that actively supports department operations. The City of Gilroy is an equal opportunity employer and supports workforce diversity, equity, inclusion and belonging. ABOUT THE POSITION Are you a motivated and aspiring Civil Engineer looking to apply your knowledge in a real-world setting? The City of Gilroy Utilities Department is recruiting for a Civil Engineering Summer Intern to support critical municipal utilities projects that directly impact the community. As an Intern, you will assist in the design, analysis, and implementation of water, wastewater, and stormwater infrastructure...
Ra
Mar 22, 2026
Intern
Manufacturing Engineering Intern (Summer 2026)
Ralliant Hollister, CA, USA
Job Description PacSci EMC, a Ralliant Operating Company, delivers innovative energetic material solutions that enable mission success across aerospace and defense. As part of our commitment to developing future talent, we are seeking a Manufacturing Engineering Intern for Summer 2026, with probability of part time thereafter . In this role, you will gain hands-on experience in a fast-paced, highly regulated environment while supporting engineering and manufacturing initiatives. You will collaborate with engineers, technicians, and cross-functional teams on real-world projects that drive operational excellence, product quality, and continuous improvement. Key Responsibilities Support the development and completion of compliance matrices. Assist in preparing and updating PFMEA documentation. Contribute to risk assessments for manufacturing processes. Participate in the design of tooling to support production. Conduct process development experiments and report...
LM
Mar 22, 2026
Intern
Mechanical Engineering Intern
$21.00 hourly
Lyons Magnus LLC Fresno, CA, USA
Job Type Internship Description Lyons Magnus leads the food industry with creativity and innovation, crafting top-quality products across all manufacturing phases, from raw materials to marketing. With over 2000 diverse items for industrial ingredient and food service sectors, Lyons caters to leading restaurant chains nationally and internationally. At Lyons, our diverse and talented staff is the heart of our organization. We foster a thriving work environment where employees are engaged in shaping both the company's and their own future. The Mechanical Engineering Intern will support the Engineering team at our Fresno manufacturing facility, which produces syrups and sauces. This role is designed to provide hands-on exposure to manufacturing operations, process improvement, and plant performance. The intern will work on real projects that improve efficiency, reduce waste, and support safe, high-quality production. This internship is structured to provide meaningful project...
IV
Mar 22, 2026
Intern
Intern, Process Engineering
II-VI Aerospace & Defense Fremont, CA, USA
Job Description Primary Duties & Responsibilities Responsible for designing fixtures/tooling as needed for prototype build, assist senior engineers in performing process development activities in the OSA lab, perform Design of Experiments (DOEs) to determine optimum solutions to manufacturing issues. Education & Experience No experience necessary. Must be enrolled in college per the Coherent Internship Guidelines. Skills Capable of using Solid Works to design simple fixtures/tooling. Work effectively in a team setting as well as an individual contributor with limited supervision. Working Conditions This role will be based on-site in Fremont, CA. Regular use of a computer and other office equipment is necessary. Cleanroom work may be needed Use of mechanical dimension inspection equipment Physical Requirements Sitting for extended periods while working on a computer or in meetings. Use of hands and fingers for typing, writing,...
Ra
Mar 22, 2026
Intern
Summer 2026 Internship - Electrical Engineering (Facilities)
Radiant El Segundo, CA, USA
Overview We are seeking an Electrical Facilities Engineering Intern to support the design, documentation, and operation of electrical systems across our facilities and manufacturing infrastructure in El Segundo. This role offers hands-on experience working on real projects spanning design, construction, and day-to-day operations of critical electrical systems. Responsibilities Support the development and maintenance of electrical documentation, including single-line diagrams, panel schedules, and as-built drawings, ensuring accuracy and proper revision control. Assist in updating drawing packages to reflect field changes, redlines, and commissioning feedback across active projects. Contribute to lighting design and layout, including fixture selection, basic load calculations, and coordination with architectural and MEP teams. Assist in reviewing machine electrical specifications, ensuring alignment with facility infrastructure and supporting design coordination and construction...
TA
Mar 15, 2026
Intern
Design Engineering Intern
$20.00 - $22.00 hourly
TA Aerospace Santa Clarita, CA, USA
Job Summary The Design Engineering Intern completes projects related to new product development in support of new business initiatives. Specific tasks include creating project plans, assisting with component design, from initial part/product conceptualization to full engineering development, and creating prototypes. Project work includes day to day interaction with the Business Unit Team, including Sales, Quality, Operations, Supply Chain, R&D, and Manufacturing Engineering. The Intern will also assist with technical engineering support of current product lines through value analysis, product quality improvements, manufacturability, and performance optimization in the field. Throughout the assignment, professional mentoring and guidance will be provided by TA's leadership. Successful interns will be considered for full-time positions upon graduation, should positions be available. Primary Responsibilities Assist in generating product designs in accordance with TA / Industry...
IV
Mar 15, 2026
Intern
Intern - Mechanical Engineer
II-VI Aerospace & Defense Fremont, CA, USA
Job Description Primary Duties & Responsibilities Support liquid cooling projects Support collecting & analyzing engineering data Thermal design and testing Perform miscellaneous mechanical designs. Perform mechanical stress analysis to support optical design. Document all design/testing/simulation process Education & Experience Minimum rising Senior (completed 3 years by start) of Bachelor degree in science Majors: Mechanical Engineering Relevant coursework: Machine design, heat transfer knowledge in Solidworks, 3D printing, FEA Open to currently enrolled students or those who have graduated within one year of the internship start date. Skills & Other Requirements Excellent written and verbal communication. Team-oriented but able to work independently when needed. Adaptable and eager to learn in a fast-paced environment. Attention to detail and time management. [Any role-specific skills, like Excel, programming,...
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