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50 process engineer internship jobs found

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Onsite process engineer internship California
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EU
Apr 05, 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...
MI
Apr 01, 2026
Full time
Manufacturing Engineer
Mach Industries Huntington Beach, CA, USA
About Mach Industries Founded in 2022, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms . At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 220 employees , we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Manufacturing Engineer to own the industrialization of our products for high-rate production. In this role, you will work closely with the Product Engineering and Manufacturing teams to develop processes,...
KC
Mar 31, 2026
Full time
Engineering - Civil Engineer 0-2 Years Experience
$80,000 - $88,000 yearly
KPFF Consulting Engineers Los Angeles, CA, USA
Company Description KPFF Consulting Engineers provides structural and civil engineering services to architects, government agencies, developers, and contractors for projects with a wide range of functions. Established in 1960, KPFF has offices in Austin, Birmingham, Boise, Chicago, Des Moines, Eugene, Irvine, Lacey, Long Beach, Los Angeles, Louisville, Nashville, Newport Beach, New York City, Portland, Sacramento, Salt Lake City, San Diego, San Francisco, Seattle, Spokane, St. Louis, Tacoma, and Washington, DC. KPFF's civil engineering staff accomplishes projects for site development, parks, and recreation facilities and the improvements to existing city streets, urban arterials, and highways. Scope of services may include site planning, environmental analysis, storm drainage studies, wetlands enhancement, permit coordination, and design of site grading, drainage, storm detention, utilities, access roads, parking facilities, and public street improvements. In addition to...
PG
Mar 29, 2026
Intern
Transmission Line Civil Engineering, Intern
Pacific Gas and Electric Company Oakland, CA, USA
Requisition ID # 170874 Job Category: Administrative / Clerical Job Level: Individual Contributor Business Unit: Strategy & Growth Work Type: Hybrid Job Location: Oakland Number of Positons: 5 Department Overview Electric Operations ensures the delivery of clean, safe, reliable, and affordable energy to nearly 16 million people in Northern and Central California. Electric Operations is responsible for every aspect of PG&E's electric distribution and transmission operations and maintenance, as well as power generation operations. The organization manages over 100,000 circuit miles of electric distribution lines and over 18,000 circuit miles of interconnected transmission lines and operates and maintains hydroelectric, fossil, solar generation, and battery storage facilities. A critical component of Electric Operations is the planning, design, and maintenance of the electric transmission system. The Transmission Line (T-Line) Engineering group supports the safe,...
EU
Mar 27, 2026
Intern
Intern - Mechanical Engineer
$22.00 hourly
Emcor UK 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...
JF
Mar 26, 2026
Full time
Project Engineer
J.F. Brennan Company, Inc. Winters, CA, USA
The Project Engineer supports marine construction projects by assisting with field engineering, scheduling, documentation, and coordination activities. This role may be based out of any of our west coast locations, including Winters, CA or Poulsbo, WA , and requires travel to active job sites approximately 80% of the time . Working under the guidance of the Project Manager and Superintendent, the Project Engineer helps ensure projects are completed safely, on time, and in accordance with contract requirements. This position is ideal for early-career engineers who are eager to gain hands-on experience in marine and heavy civil construction. Responsibilities: Assist with daily engineering and construction activities on marine construction job sites. Support project scheduling efforts, including updating master schedules and short-term work plans. Help track project costs, quantities, and documentation. Assist in identifying and documenting change orders and project impacts....
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...
SD
Mar 25, 2026
Full time
Associate Manufacturing Engineer
Singularity Defense Corp. El Segundo, CA, USA
About the Company: We are a stealth-mode Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and top-tier Silicon Valley rms. We're assembling a high urgency team committed to moving fast, solving hard problems, and defending what matters most. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand. Role Overview As our Associate Manufacturing Engineer, you'll own the integrity of the production process from prototype to full-rate manufacturing. You will be the connective tissue between design, manufacturing, and quality-ensuring that our builds are repeatable, efficient, and reliable. You'll play a critical role in developing robust manufacturing processes, executing quality assurance strategies, and continuously improving product reliability in...
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...
MC
Mar 22, 2026
Full time
Project Engineer
Murray Company Mechanical Contractors CA, USA
Come grow with us... At Murray Company, how we operate is defined by shared values that are 100 years in the making - Safety, Quality, Honesty, Hard Work and Pride of Ownership. These values have led to our company consistently being in the top 15% on ENRs Best Specialty Contractor's list. Bring your enthusiasm and unique perspective to Murray Company where you will have the opportunity to grow with us professionally, personally, and financially. Join a team that cares about helping you thrive and succeed. You'll work alongside talented colleagues while establishing lifelong friendships and making a difference in our company and the specialty contracting community. Position Summary The Project Engineer (PE) position at Murray Company is a key entry point into construction project management, and our PE's play a critical role in the success of each project. As a Project Engineer, you will have the opportunity to work alongside best-in-industry project managers and field...
PC
Mar 22, 2026
Full time
Plant Optimization Engineer (Kingsburg, CA)
$83,000 yearly
Packaging Corporation of America Kingsburg, CA, USA
As a Fortune 500 company, Packaging Corporation of America (PCA) is an ideas and solutions company. Our corrugated packaging business seeks to be the leader in helping our customers - large and small - package, transport and display products of all kinds. Our white paper business delivers Paper With Purpose by providing the highest level of customer service and operational excellence. We have approximately 15,000 team members in more than 100 locations in the United States that strive to meet the local needs of our customers. Our mission is to serve the needs of our customers, today and tomorrow, with products and services that exceed expectations for performance and environmental responsibility. People • Customers • Trust PCA is currently recruiting for a Plant Optimization Engineer based at the Kingsburg, CA corrugated box plant facility. Description of role: The Plant Optimization Engineer Position (POE) is a developmental program which focuses on hiring recent college...
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...
LL
Feb 26, 2026
Full time
Electrical Engineer
$129,150 - $196,476 yearly
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 opening for an Electrical Designer/Engineer who will prepare construction documents for new construction, remodeling, and modifications of facilities and infrastructure at Lawrence Livermore National Laboratory (LLNL). This position is in the Design & Engineering Division within the Project Management Office (PMO). You will contribute to the planning, design, and...
LL
Feb 26, 2026
Full time
Electrical Engineer
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 opening for an Electrical Designer/Engineer who will prepare construction documents for new construction, remodeling, and modifications of facilities and infrastructure at Lawrence Livermore National Laboratory (LLNL). This position is in the Design & Engineering Division within the Project Management Office (PMO). You will contribute to the planning, design, and...
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...
DM
Feb 20, 2026
Full time
Manufacturing Engineer II
Dexter Magnetic Technologies Torrance, CA, USA
Magnetic Component Engineering ("MCE"), a subsidiary of Dexter Magnetic Technologies ("Dexter"), manufactures permanent magnets and magnetic assemblies made to demanding customer specification in the aerospace / defense, semiconductor equipment, medical, and industrial end markets. MCE is based in Torrance, CA and operates one 48,000 square foot facility with 85 employees. For more information on Magnetic Component Engineering, please visit: https://www.mceproducts.com/ Basic Purpose and Objective of the Position The Manufacturing Engineer II supports production operations by developing, improving, and sustaining manufacturing processes. This role builds on entry-level machining experience and focuses on applying engineering fundamentals to CNC machining, tooling, documentation, and continuous improvement initiatives. The engineer works closely with machinists, quality, and engineering teams to improve safety, quality, delivery, and cost. Major Responsibilities - reasonable...
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...
CA
Dec 25, 2025
Full time
Quality Engineer
$65,000 - $90,000 yearly
CaptiveAire Redding, CA, USA
Position Summary : This role will be working within the manufacturing facility and will be responsible for maintaining total quality and training for multiple product lines. Why Work for CaptiveAire? Nation's leading manufacturer of commercial kitchen ventilation systems, and now offering a complete solution of fans, heaters, ductwork and HVAC equipment. Our primary purpose is to provide fully integrated, sustainable HVAC Systems. Leader in the industry for over 40 years with innovative technologies, unmatched service, competitive pricing, and rapid lead times. Mission: to provide the highest quality products and service to our users at the lowest possible price Strong commitment to the development of our employees, including continuous education opportunities like sponsorship for Professional Engineering license and continuous education through weekly webinars and company developed technical videos What our employees have to say: I love the mindset of continuous...
MI
Sep 28, 2025
Full time
Build Engineer
Mach Industries Huntington Beach, CA, USA
About Mach Industries Founded in 2022, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms . At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 180 employees , we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Build Engineer to own the transformation of our products from new designs to reality. In this role, you will work closely with the Product Engineering and Manufacturing teams to build first articles, enable...
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