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18 junior engineer jobs found

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Intern junior engineer California
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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...
Te
Mar 25, 2026
Intern
Mechanical Engineering Intern (Nextest, San Jose, CA)
Teradyne San Jose, CA, USA
We are the global test and automation specialists, powering next-generation technologies through sophisticated solutions. Behind every electronic device you use, Teradyne's test technology ensures your device works right the first time, every time! Our portfolio of automation solutions help manufacturers to develop and deliver products quickly, efficiently and cost-effectively. Together, Teradyne companies deliver manufacturing automation across industries and applications around the world! We attract, develop, and retain a high-performance workforce, comprised of people with diverse backgrounds and a shared drive for excellence. We strive to foster a positive and inclusive work environment that helps employees, and communities, thrive. Our Purpose TERADYNE, where experience meets innovation and driving excellence in every connection. We are fueled by creativity and diversity of thought and in our workforce. Our employees are supported to innovate and learn something new every...
EU
Mar 23, 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...
CE
Mar 23, 2026
Intern
Civil/Environmental Engineering Intern
$20.00 - $34.00 hourly
Carollo Engineers Inc. Sacramento, CA, USA
Overview Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges. We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities. Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career...
BI
Mar 22, 2026
Intern
Intern Engineering Senior
Bourns, Inc. Riverside, CA, USA
SUMMARY OF POSITION: Under close supervision, performs engineering-related assignments as part of a cross-functional team. This may include learning and using various instruments and different software to assist engineers and designers on tests related to the design, performance, or failure of company products. SPECIFIC DUTIES: 1. As appropriate, learn to use Instron machine, CRV/noise tester, or other electrical/mechanical testers to assist engineers and designers in project tasks. 2. Work with engineering and marketing to learn the specifics of component design, manufacturing and marketing. 3. Assist engineers and test lab personnel in testing required for development and proof of design integrity. 4. Learn to analyze test results and makes charts/graphs out of testing data. 5. Assist engineers in the preparation of specifications, estimates or reports needed to manage a program through development. 6. Assist in maintaining engineering records. 7. Assist in ongoing division...
BI
Mar 22, 2026
Intern
Intern Engineering BS
Bourns, Inc. Riverside, CA, USA
SUMMARY OF POSITION: Under close supervision, performs engineering-related assignments as part of a cross-functional team. This may include learning and using various engineering software packages to assist senior engineers and designers in preparing a variety of detailed layouts, design details, or other project tasks. SPECIFIC DUTIES: 1. As appropriate, learn Pro E, other CAD software, or other engineering software packages to assist senior engineers and designers in project tasks. 2. Work with engineering and marketing to learn the specifics of component design, manufacturing and marketing. 3. Assist engineers and test lab personnel in completing testing required for development and proof of design integrity. 4. Learn to interpret test results; to modify designs to overcome performance issues. 5. Assist in process development of new programs. 6. Assist engineers in the preparation of specifications, estimates or reports needed to manage a program through development. 7....
BI
Mar 22, 2026
Intern
Intern Engineering Senior
Bourns, Inc. Riverside, CA, USA
SUMMARY OF POSITION: Under close supervision, performs engineering-related assignments as part of a cross-functional team. This may include learning and using various instruments and different software to assist engineers and designers on tests related to the design, performance, or failure of company products. SPECIFIC DUTIES: 1. As appropriate, learn to use Instron machine, CRV/noise tester, or other electrical/mechanical testers to assist engineers and designers in project tasks. 2. Work with engineering and marketing to learn the specifics of component design, manufacturing and marketing. 3. Assist engineers and test lab personnel in testing required for development and proof of design integrity. 4. Learn to analyze test results and makes charts/graphs out of testing data. 5. Assist engineers in the preparation of specifications, estimates or reports needed to manage a program through development. 6. Assist in maintaining engineering records. 7. Assist in ongoing division...
BI
Mar 22, 2026
Intern
Intern Engineering BS
Bourns, Inc. Riverside, CA, USA
SUMMARY OF POSITION: Under close supervision, performs engineering-related assignments as part of a cross-functional team. This may include learning and using various engineering software packages to assist senior engineers and designers in preparing a variety of detailed layouts, design details, or other project tasks. SPECIFIC DUTIES: 1. As appropriate, learn Pro E, other CAD software, or other engineering software packages to assist senior engineers and designers in project tasks. 2. Work with engineering and marketing to learn the specifics of component design, manufacturing and marketing. 3. Assist engineers and test lab personnel in completing testing required for development and proof of design integrity. 4. Learn to interpret test results; to modify designs to overcome performance issues. 5. Assist in process development of new programs. 6. Assist engineers in the preparation of specifications, estimates or reports needed to manage a program through development. 7....
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,...
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,...
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...
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...
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....
AE
Feb 11, 2026
Intern
Design Engineer Intern
AEVEX Murrieta, CA, USA
Work Arrangement This is a full-time, onsite position as part of our Internship Program. This position performs functions or is immediately available to perform functions that are considered safety sensitive for the purpose of maintenance or preventive maintenance as defined by 14 CFR 121. Therefore, employment and continued employment with the company is conditioned upon full compliance with the company's Antidrug and Alcohol Misuse Prevention Program as required by 14 CFR Part 120, 135, 145 and 49 CFR Part 40. Job Overview The Design Engineering Intern at AEVEX Aerospace supports the design team involved in aircraft structural and system modifications. Assignments may involve introductory use of 3D CAD design software or FEMAP/NASTRAN FEM software. Specific design tasks will vary, and may involve document control, design and completion of engineering drawings, review of aircraft components and sub-systems, payload integration design, aircraft weight & balance...
II
Jan 31, 2026
Intern
Product Design Engineering Intern
$20.18 - $29.68 hourly
ITT Inc. - English US Santa Clarita, CA, USA
About ITT: ITT is a leading manufacturer of critical components for harsh environments that serves fast-growing end markets in flow, aerospace and defense, energy and transportation. Building on our heritage of innovation, we partner with our customers to deliver solutions to the key industries that underpin our modern way of life. Headquartered in Stamford, CT, we have more than 11,700 employees globally with operations in ~40 countries and sales in more than 125. At our core is our engineering DNA, with 1,280+ engineers, 1,700+ active global patents and ~51 manufacturing locations. Our businesses are organized in three distinct segments, each based around our core engineering DNA: Industrial Process: A global leader in centrifugal and twin-screw pumps and engineered valves for chemical, energy, mining, and industrial applications. Our leading brands include the iconic Goulds Pumps (with more than 175 years of history), Bornemann, Habonim, Engineered Valves, Rheinhütte...
CC
Nov 01, 2025
Intern
Summer 2026 Engineering Internship
Castelion Corporation Torrance, CA, USA
About the job Summer 2026 Engineering Internship About Castelion Castelion 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. We're designing, building, and testing next-generation long-range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Summer 2026 Engineering Internships Join us for a dynamic, hands-on experience developing next-generation missile systems across disciplines such as software, guidance/navigation/control (GNC), propulsion, power electronics, manufacturing, mechanical and structural design, avionics, and system integration. As an intern, you'll contribute directly to the design, testing, and integration of advanced defense technologies all within a fast-paced, collaborative startup environment where your work has immediate impact. Key...
CC
Oct 31, 2025
Intern
Spring 2026 Engineering Internship
Castelion Corporation Torrance, CA, USA
About the job Spring 2026 Engineering Internship About Castelion Castelion 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. Were designing, building, and testing next-generation long-range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts. Spring 2026 Engineering Internship Castelion is seeking motivated and talented engineering interns for Spring 2026. This internship offers a dynamic, hands-on experience working on cutting-edge missile systems, including SW, guidance, navigation and control (GNC), propulsion, power electronics, manufacturing, mechanical/structures, avionics, system integration, etc. You will contribute directly to the development, testing, and integration of advanced defense systems, while working in a highly collaborative startup...
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