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360 process engineering intern jobs found

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Onsite process engineering intern California
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Ra
Mar 18, 2026
Intern
Manufacturing Engineering Intern (Summer 2026)
$25.10 - $46.59 hourly
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 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 quantitative) across...
Ra
Mar 18, 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. 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 As a Manufacturing Intern, you will: 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...
EU
Mar 18, 2026
Intern
Intern - Mechanical Engineer
$22.00 hourly
Emcor UK 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...
AE
Mar 17, 2026
Full time
Design Engineer
$40.00 - $50.00 hourly
ACCO Engineered Systems San Diego, CA, USA
Job Description General Job Description: This position is responsible for the delivery of engineering services, from conceptual design through construction completion of HVAC, Plumbing, and other contract services offered by ACCO Engineered Systems. Essential Duties & Responsibilities Demonstrates understanding of a complete construction set of documents and able to execute these projects with little supervision Complete code-required energy compliance and LEED documentation Conduct engineering calculations, energy analysis, economic analysis, selection and layout of equipment, and duct & piping system design for HVAC, Plumbing, and other building systems for which ACCO offers expertise Understanding of applications engineering including psychrometrics, refrigeration, acoustics, and controls systems Assist with coordination of design and installation with Project Management, Construction and Service departments, Controls, and other trade partners. Field...
MM
Mar 15, 2026
Intern
Manufacturing Engineering Intern (Career Fair Only)
Marki Microwave, Inc. Morgan Hill, CA, USA
All internships are 10 weeks duration. Internship dates are from 6/22/2026 to 9/4/2026. All interns must be available for the entirety of the internship dates in order to be considered. JOB SUMMARY The Manufacturing Engineering Intern will be tasked with a high impact and high visibility project to develop processes, tooling, & fixturing on advanced automation equipment. This role will require access to access information controlled under the Export Administration Regulations (EAR, 15 CFR §§ 730-780),and likely the International Traffic in Arms Regulations (ITAR, 22 CFR §§ 120-130), and so applicants for this position must be one of a U.S. citizen, U.S. permanent resident, or other Protected Individual (as defined under 8 USC § 1324b(a)(3)). ESSENTIAL DUTIES AND RESPONSIBILITIES Work with the Manufacturing Engineering and Equipment Engineering Technician team to develop automated die attach, ultrasonic wire bonding, and epoxy lid attach processes. Utilize...
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,...
RE
Mar 14, 2026
Intern
Civil Design Engineering Intern
Revamp Engineering Oakland, CA, USA
Role Summary Revamp is seeking a Civil Design Engineering Intern to support utility-scale solar and battery energy storage (BESS) projects from a civil engineering perspective. This role focuses on land development design, grading, drainage, and site layout for renewable energy facilities. You will work alongside experienced civil engineers to develop and update project layouts, prepare engineering documentation, and contribute to real-world renewable energy projects that directly support the energy transition. Ideal candidates are actively pursuing a Civil or Environmental Engineering degree and have prior exposure to AutoCAD and civil design principles. Internship Program Details • Twelve-week full-time summer program, remote or in-office if local. • Approximately 40 hours per week during the summer term. • Schedule flexibility may be available to accommodate academic calendars. • Interns work under the direction of a designated manager. • Interns may be evaluated...
TT
Mar 13, 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...
Ri
Mar 13, 2026
Intern
Engineering Intern - Mechanical Modeling
$33.00 - $51.00 hourly
Rivian Palo Alto, CA, USA
About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations. Role Summary Internship Term: Summer 2026 Rivian internships are experiences optimized for student candidates. To be eligible, you must be an undergraduate or graduate student in an accredited program during the internship term with an expected graduation date between December 2026 through June 2028. Rivian's Internship Program requires active student enrollment. Information regarding your expected degree completion date is collected solely to verify...
AE
Mar 12, 2026
Intern
Mechanical Engineering Intern
Antora Energy San Jose, CA, USA
Antora builds and deploys thermal energy storage to power always-on industrial operations and data centers with low-cost energy. Factory-built in California, Antora's thermal batteries deliver reliable and cost-effective heat and power for industrial loads of any size. Antora is electrifying global industry while supporting U.S. manufacturing jobs, lowering costs for energy consumers, and enhancing the competitiveness of American industry. We are growing our company with people who put team and mission first, value connection through laughter and joy, and build with humility and openness. We are committed to continue building a diverse, passionate, and creative team dedicated to a future where every industrial facility, everywhere on earth, is powered by abundant, clean, low-cost energy. Position Summary Antora is seeking a highly-motivated Mechanical Design Engineering Intern to join our mission-driven team within the Mechanical Design Engineering organization (spanning...
OC
Mar 12, 2026
Intern
Manufacturing Engineering Intern
Ortho Clinical Diagnostics Rutherford, CA, USA
The Opportunity QuidelOrtho unites the strengths of Quidel Corporation and Ortho Clinical Diagnostics, creating a world-leading in vitro diagnostics company with award-winning expertise in immunoassay and molecular testing, clinical chemistry and transfusion medicine. We are more than 6,000 strong and do business in over 130 countries, providing answers with fast, accurate and consistent testing where and when they are needed most - home to hospital, lab to clinic. Our culture puts our team members first and prioritizes actions that support happiness, inspiration and engagement. We strive to build meaningful connections with each other as we believe that employee happiness and business success are linked. Join us in our mission to transform the power of diagnostics into a healthier future for all. The Role QuidelOrtho is looking for a Manufacturing Engineering Intern that wants to spend their summer working towards our mission: Changing Lives, One Test at a Time. Interns...
OA
Mar 08, 2026
Intern
Intern, Mechanical Engineer [Propulsion]
Odys Aviation Long Beach, CA, USA
About Odys Our mission at Odys is simple - we build safe, sustainable aircraft to cut travel time in half on the world's busiest corridors. Our flagship aircraft Alta enables travelers to skip the big-airport hassle by using city helipads and local airports to connect cities less than 1,000 miles apart (approx 40% of flights). And on average cut CO2 by 76% on tens of billions of flight miles globally. To get there, we start with our UAV called Laila for commercial logistics, medical transport, humanitarian aid, disaster relief, and defense missions. We're deploying aircraft with launch partners (Fiji Airways, Honeywell, Aramex, US Navy) beginning in late 2025 and already have firm orders for aircraft under contract. We're a team of expert engineers from deep tech and aerospace that focus on fast iterations loops (completed transition flight faster than our peers) combined with mastery of the aircraft certification process. Previously, our team developed custom drones, brought...
NB
Mar 06, 2026
Full time
Design Engineer II
Niagara Bottling, LLC Diamond Bar, CA, USA
At Niagara, we're looking for Team Members who want to be part of achieving our mission to provide our customers the highest quality most affordable bottled water. Consider applying here, if you want to: Work in an entrepreneurial and dynamic environment with a chance to make an impact. Develop lasting relationships with great people. Have the opportunity to build a satisfying career. We offer competitive compensation and benefits packages for our Team Members. Design Engineer II Design Engineer II is responsible for initial and ongoing evaluation, feasibility analyses, and optimization of Niagara's Mechanical, Electrical, and Plumbing [MEP] system designs. MEP systems include, but are not limited to: product water processing, cooling/chilled water, compressed air, HVAC, and bottling/injection molding production equipment. Detailed Description System Assessments Feasibility analyses and utility consumption modeling for expansion initiatives Evaluation and...
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...
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...
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...
Re
Feb 27, 2026
Intern
Filtration Engineering Intern
Repligen Compton, CA, USA
Overview Repligen is seeking a Filtration Engineering Intern to support hands-on engineering work at our Rancho Dominguez location. This internship offers an opportunity to contribute to practical, self-contained engineering focused project deliverables with immediate business impact. The intern will work under the guidance of the Process Engineering Manager , to support manufacturing process development and continuous improvement initiatives. This role will apply engineering design principles, hands-on experimentation, and problem-solving techniques to improve process reliability, product quality, and efficiency on the manufacturing line. Responsibilities Design, create detailed drawings, fabricate, and implement fixtures Apply practical mechanical and process design principles to real manufacturing challenges Complete at least one self-contained project from concept through implementation within an 8-12 week internship timeframe Characterize and validate equipment...
TW
Feb 27, 2026
Intern
Mechanical Engineering Intern
The Wonderful Company Shafter, CA, USA
Company Description With approximately 100,000 planted acres in California's San Joaquin Valley, Wonderful Orchards is the world's largest grower of almonds, pistachios and pomegranates. In early 2015, Wonderful Orchards ventured into the Bee business with the intention of contributing to the long-term health of bees, investing in R&D efforts and further develop best practices for the industry. Wonderful Bees is growing across the nation! Our growth is exciting, but we can't do it alone. Join us in this new venture as we look to expand and hirevarious roles! Wonderful Orchards and Wonderful Bees are a part of The Wonderful Company, a privately held $5 billion company dedicated to harvesting health and happiness around the world through its iconic consumer brands which include Wonderful Pistachios, Wonderful Halos, POM Wonderful, FIJI Water, Teleflora, and JUSTIN Wine Job Description We are seeking a motivated and responsible Wonderful Scholar for full time 8-week...
NB
Feb 26, 2026
Full time
Systems Engineer I
Niagara Bottling, LLC Diamond Bar, CA, USA
At Niagara, we're looking for Team Members who want to be part of achieving our mission to provide our customers the highest quality most affordable bottled water. Consider applying here, if you want to: Work in an entrepreneurial and dynamic environment with a chance to make an impact. Develop lasting relationships with great people. Have the opportunity to build a satisfying career. We offer competitive compensation and benefits packages for our Team Members. Systems Engineer I Systems engineering is an interdisciplinary of engineering that focuses on how to design and manage complex engineering systems over their life cycles. Issues such as reliability, logistics, coordination of different teams, evaluation measurements, and other disciplines that becomes more difficult when dealing with large or complex projects. Systems engineering deals with work-processes, optimization methods, and risk management tools in such projects. It overlaps technical and human-centered...
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