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35 process engineer intern jobs found

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Intern process engineer intern California
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Pr
Jan 31, 2026
Intern
Process Engineer Intern I
Producto Poway, CA, USA
Description Working under engineering supervision, analyze customer requirements of desired finished product and develop, modify, and test various manufacturing methods to support process development and manufacturing improvements. Conduct research and review manufacturing processes by using or gaining knowledge of product fabrication, design, and materials as well as consulting with Suppliers and operators. Key Responsibilities Collaborates with project staff to determine cost estimates of materials, time, labor, and other resources. Facilitates and contributes to the development of project plans and designs. Recommends and/or analyzes materials, equipment, and practices utilized by Manufacturing Operations. Conducts data collection activities including time and utilization studies. Enhances manufacturing test procedures/processes and associated documentation. Assists in Assessing the capabilities of suppliers and service providers. Analyzes equipment, systems,...
TT
Mar 03, 2026
Intern
Structural Engineer Intern
$20.00 - $35.00 hourly
Thornton Tomasetti, Inc. Los Angeles, CA, USA
Thornton Tomasetti applies engineering and scientific principles to solve the world's challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career. Our Structural Engineering practice collaborates with architects, building owners, and builders to design elegant solutions for projects of all types, sizes, and levels of complexity. From designing the world's tallest buildings and most extended spans to engineering inventive "jewel-box" structures and designing major expansion projects, we continually seek the best balance among the demands of form, function, sustainability, constructability, schedule, and budget. The Role We have an opportunity for a Structural Engineer...
ME
Mar 01, 2026
Intern
Intern - Engineer
$22.00 hourly
Mesa Energy Systems, Inc. West Sacramento, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary The Mesa Internship Program is a summer rotational program for students seeking experience in energy, mechanical, building, service, sustainability, sales, or project management. Mesa Energy Systems, Inc. has an opening for an Engineering Intern. This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. Interns will be responsible for providing drafting and engineering support to the Mesa Energy Systems Engineering Group. As assigned by management, the engineering intern's tasks may include, but are not limited to, job walks or site visits to gather information...
IT
Mar 01, 2026
Intern
Mechanical Engineer Intern-Summer 2026
$26.00 - $31.00 hourly
Illinois Tool Works, Inc. Alameda, CA, USA
Job Description: ITW Description: Founded in 1912, Illinois Tool Works Inc. (NYSE: ITW) is a diversified, Fortune 200 manufacturing company that delivers specialized expertise, innovative thinking and value-added products to meet critical customer needs in a variety of industries. Ranked among Fortune's Magazine's most admired companies, the company focuses on solid growth, improving profitability and strong returns across its worldwide platforms and divisions. These divisions serve customers and markets around the globe, with a significant presence in developed as well as emerging markets. ITW's revenues totaled $15.9 billion in 2024 Simco-Ion Technology Group Simco-Ion , located in Alameda CA, is an Illinois Tool Works' company. We are the world's largest manufacturer of ionization and process monitoring products. Since 1936, we've been providing solutions for electrostatic issues in a wide range of industries, such as semiconductor, life sciences, and advanced...
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...
HC
Feb 28, 2026
Intern
Intern Structural/Architectural Engineer - Summer 2026
$24.23 - $36.34 hourly
HNTB Corporation Los Angeles, CA, USA
What We're Looking For We are seeking talented civil/structural or architectural engineering interns to join our dynamic team in Los Angeles, CA for Summer 2026. Those interested in joining our team should be proactive and approach design challenges with a willingness to explore lots of ideas. We are a group of design professionals that are passionate about Aviation, Sports and Transit design that connects and inspires people. Our practice believes great design comes from a spirit of curiosity, imagination and collaboration. We value diverse perspectives during the design process and take pride in delivering solutions that are specifically tailored to each client. We view each project as an opportunity to create something truly unique that connects us as a community. HNTB is a design leader because we hire the best national talent and develop employees from within. Our culture is investing in the next generation of structural engineers with a focus on creating an inclusive,...
ES
Feb 27, 2026
Intern
Mechanical Engineer Intern
EchoStar San Diego, CA, USA
Company Summary EchoStar builds solutions that help families and communities stay connected. We'll launch your career and empower you to change lives. Our brands include Boost Mobile, DISH TV, Gen Mobile, Hughes and Sling TV. We serve millions of customers with offerings ranging from satellite to streaming services and global to personal networking solutions. Department Summary Our Technology teams challenge the status quo and reimagine capabilities across industries. Whether through research and development, technology innovation or solution engineering, our team members play a vital role in connecting consumers with the products and platforms of tomorrow. Job Duties and Responsibilities EchoStar has an exciting opportunity for a Mechanical Engineer Intern . This position will be located at our office in San Diego, CA Key Responsibilities: Create 3D models on a Creo CAD system, generate detailed drawings, perform product testing, build prototypes, generate...
ME
Feb 26, 2026
Intern
Intern - Mechanical Engineer
$22.00 hourly
Mesa Energy Systems, Inc. El Cajon, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary The Mesa Internship Program is a summer rotational program for students seeking experience in energy, mechanical, building, service, sustainability, sales, or project management. Mesa Energy Systems, Inc. has an opening for an Engineering Intern. This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. Interns will be responsible for providing drafting and engineering support to the Mesa Energy Systems Engineering Group. As assigned by management, the engineering intern's tasks may include, but are not limited to, job walks or site visits to gather information...
ME
Feb 22, 2026
Intern
Intern - Engineer
$22.00 hourly
Mesa Energy Systems, Inc. Bakersfield, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary The Mesa Internship Program is a summer rotational program for students seeking experience in energy, mechanical, building, service, sustainability, sales, or project management. Mesa Energy Systems, Inc. has an opening for an Engineering Intern. This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. Interns will be responsible for providing drafting and engineering support to the Mesa Energy Systems Engineering Group. As assigned by management, the engineering intern's tasks may include, but are not limited to, job walks or site visits to gather information...
ME
Feb 05, 2026
Intern
Intern - Mechanical Engineer
$22.00 hourly
Mesa Energy Systems, Inc. Grover Beach, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary The Mesa Internship Program is a summer rotational program for students seeking experience in energy, mechanical, building, service, sustainability, sales, or project management. Mesa Energy Systems, Inc. has an opening for an Engineering Intern. This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. Interns will be responsible for providing drafting and engineering support to the Mesa Energy Systems Engineering Group. As assigned by management, the engineering intern's tasks may include, but are not limited to, job walks or site visits to gather information...
CW
Jan 31, 2026
Intern
Engineering Intern
California Water Service Group CA, USA
California Water Service Job Description: The Engineering Intern is responsible for assisting with projects and tasks across the State of California, within the assigned Engineering department. The position will provide support of projects, regulatory requirements, and Company goals, and may work on small projects, as well as large projects under the guidance of a project manager within the Engineering Department. The position will last for approximately 1 year, with the expectation that the intern would work full time during the summer and part time during the school year. The intern will work with their manager to establish a schedule that will allow them to complete their work while still attending their university classes. INTERNSHIP REQUIREMENTS: One-year commitment from June 1, 2026, through May 28, 2027 Summer - full time (32-40 hours per week) Fall/Spring/Winter - based on school schedule 100% on-site, no remote option Eligibility for employment in the US is...
ME
Jan 31, 2026
Intern
Intern - Mechanical Engineer
Mesa Energy Systems, Inc. San Leandro, CA, USA
About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary The Mesa Internship Program is a summer rotational program for students seeking experience in energy, mechanical, building, service, sustainability, sales, or project management. Mesa Energy Systems, Inc. has an opening for an Engineering Intern. This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. Interns will be responsible for providing drafting and engineering support to the Mesa Energy Systems Engineering Group. As assigned by management, the engineering intern's tasks may include, but are not limited to, job walks or site visits to gather information...
TT
Nov 14, 2025
Intern
Structural Engineer Intern
$20.00 - $35.00 hourly
Thornton Tomasetti, Inc. San Francisco, CA, USA
Thornton Tomasetti applies engineering and scientific principles to solve the world's challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career. Our Structural Engineering practice collaborates with architects, building owners, and builders to design elegant solutions for projects of all types, sizes, and levels of complexity. From designing the world's tallest buildings and most extended spans to engineering inventive "jewel-box" structures and designing major expansion projects, we continually seek the best balance among the demands of form, function, sustainability, constructability, schedule, and budget. The Role We have an opportunity for a Structural Engineer...
Ra
Mar 03, 2026
Intern
Electronics Engineer Intern (Summer 2026)
Ralliant Hollister, CA, USA
Job Description PacSci EMC, an operating company under Ralliant , is seeking an Electronics Engineering Intern to join our team for Summer 2026 . In this role, you will support the development, documentation, and improvement of electronic hardware designs used in aerospace and defense applications, including printed circuit board assemblies (PCBAs), cable harnesses, and integrated electronic components. This internship provides hands-on experience partnering with design engineers, supplier partners, and manufacturing teams to ensure designs are robust, manufacturable at scale, and compliant with performance, quality, and reliability requirements. Key Responsibilities Assist in updating electrical schematics and PCB layout documentation in accordance with engineering change processes. Support creation and maintenance of Bills of Materials (BOMs), part specifications, and configuration control documentation. Perform part research and assist in evaluating alternate...
Ra
Mar 03, 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 Intern for Summer 2026, with the possibility of extending to 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: Development and completion of compliance matrix PFMEA Risk assessment Design of tooling Process development experiments Participate in group design reviews Work in configuration management system to manage program documentation Conduct data reporting and analysis (qualitative and...
Ra
Mar 02, 2026
Intern
Mechanical Engineering Intern
Ralliant Hollister, CA, USA
PacSci EMC, an operating company under Ralliant , is seeking a Mechanical Engineering Intern to join our team for Summer 2026. This internship provides hands-on experience partnering with design engineers, supplier partners, and manufacturing teams to ensure designs are robust, manufacturable at scale, and compliant with performance, quality, and reliability requirements. Key Responsibilities Assist in updating drawings utilizing SolidWorks. Support creation and maintenance of Bills of Materials (BOMs), part specifications, and configuration control documentation. Perform part research and assist in evaluating alternate component options. Record test results, anomalies, and support root cause and corrective action (RCCA) activities. Collaborate with Manufacturing Engineering and Supplier Quality to troubleshoot build issues. Review supplier datasheets and manufacturing guidelines to ensure alignment with design intent. Participate in Design for...
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...
AM
Feb 28, 2026
Intern
Mechanical Engineer Intern
$29.50 - $33.50 hourly
Analytical Mechanics Associates Mountain View, CA, USA
Job Description: AMA is accepting applications for an on-site summer internship position at NASA Ames Research Center in Mountain View, CA. Work will be in support of the Entry Systems and Vehicle Development Branch at NASA. The successful candidate will play an important role in the direct application of technologies and capabilities to design, develop, test, and prototype atmospheric Entry, Descent, and Landing (EDL) systems. Responsibilities: NASA ARC is seeking support for thermal protection and entry systems projects, including SPEED (Stratospheric Projectile Experiment of Entry Dynamics): • Design, prototyping, integration and testing of capsule ejection mechanisms and subsystems • Development and analysis of entry capsules for flight tests • CAD modeling and documentation of flight hardware designs • Fabrication and testing support for prototype entry vehicles • Collaboration with engineering teams on entry system technologies • Support for ground test...
LL
Feb 28, 2026
Intern
Architecture or Engineering Undergraduate Intern - Summer 2026
$9,681 monthly
LLNL Livermore, CA, USA
Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have an internship opening for an undergraduate student who is majoring in architecture or engineering (civil, structural, electrical, or mechanical). This internship is designed to provide valuable professional experience while contributing to impactful, real-world projects. Interns will work closely with architects and engineers on capital infrastructure projects within LLNL's...
Ra
Feb 26, 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...
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