Construction Project Manager Intern (Summer 2027) Arco ConstructionConstruction Project Manager Intern (Summer 2027)Irvine, CAAt ARCO, an Intern works during the summer and has the opportunity to assist Project Managers with the following: Estimating- Describing project proposals and assigning dollar values to the projects. Design meetings- Attend design meetings with owner and team to understand design proposals from structural engineers and architects.
NewClaim Professional Development Program Internship (CPDP Intern) The Travelers Companies IncClaim Professional Development Program Internship (CPDP Intern)Diamond Bar, CA$25–$26 / hourThe Travelers Claim Intern program provides qualified candidates an excellent opportunity to gain first-hand business experience, receive valuable on-the-job training, contact clients, determine coverage, scoping of losses and completing damage estimates. The actual hourly rate for this position will be determined by a number of factors, including the scope, complexity and location of the role; the skills, education, training, credentials and experience of the candidate; and other conditions of employment.
Mechanical Engineer Intern MantariMechanical Engineer InternTorrance, CaliforniaOur autonomous edge sensing fleets, deep learning forecast models, and integrated customer decision engines will create the most precise weather intelligence on the planet—empowering industry, strengthening climate resilience, providing vital intelligence to American warfighters, and opening billion-dollar markets that don’t exist yet. By building a distributed network of sensors fused with breakthrough AI, Mantari transforms raw environmental signals into actionable intelligence so that the world’s most critical outcomes, from global trade and securing grids to defending nations, are guided not by uncertainty, but by foresight.
DoD SkillBridge Intern- Safety Sturgeon Electric CaliforniaDoD SkillBridge Intern- SafetyChino Hills, CaliforniaInternSkillBridge participants will work alongside experienced professionals, develop industry-specific skills, and gain real-world experience that can support long-term career opportunities in construction, engineering, operations, logistics, safety, and corporate support functions. The MYR Group SkillBridge Internship provides transitioning service members with hands-on exposure to the electrical construction industry, offering insight into how complex infrastructure projects are planned, executed, and delivered safely and efficiently.
Software Engineer Intern MantariSoftware Engineer InternTorrance, CaliforniaOur autonomous edge sensing fleets, deep learning forecast models, and integrated customer decision engines will create the most precise weather intelligence on the planet—empowering industry, strengthening climate resilience, providing vital intelligence to American warfighters, and opening billion-dollar markets that don’t exist yet. By building a distributed network of sensors fused with breakthrough AI, Mantari transforms raw environmental signals into actionable intelligence so that the world’s most critical outcomes, from global trade and securing grids to defending nations, are guided not by uncertainty, but by foresight.
Mass Electric Industrial - Finance Analyst Intern Kiewit CorpMass Electric Industrial - Finance Analyst InternIrvine, CA$19–$23 / hourWe offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, paid parental and maternity leave, and generous paid time off. We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.
Electrical Engineer Intern - Substation (West Region) Black & Veatch Holding CoElectrical Engineer Intern - Substation (West Region)Irvine, CA$20.43–$45.16 / hourYou'll work alongside teams solving complex challenges and turning ideas into solutions that perform in the real world-gaining hands-on experience across projects, technologies, and disciplines. As employee-owners, our professionals are empowered to drive not only their personal growth, but the companys long-term achievements - and they share in the financial rewards of the success through stock ownership.
Civil Engineer Intern - Water (Southwest Region) Black & Veatch Holding CoCivil Engineer Intern - Water (Southwest Region)Irvine, CAYou'll work alongside teams solving complex challenges and turning ideas into solutions that perform in the real world-gaining hands-on experience across projects, technologies, and disciplines. All applicants must be able to complete pre-employment onboarding requirements (if selected) which may include any/all of the following: criminal/civil background check, drug screen, and motor vehicle records search, in compliance with any applicable laws and regulations.
Turbomachinery Intern Summer 2027 Rocket Lab USATurbomachinery Intern Summer 2027Long Beach, CAImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Must be enrolled in a bachelor's, master's or doctorate degree program in aerospace engineering, aeronautical engineering, astronautical engineering, thermal engineering, mechanical engineering or physics discipline and have at least one semester of school remaining post internship.
Turbomachinery Intern Spring 2027 Rocket Lab USATurbomachinery Intern Spring 2027Long Beach, CATo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Must be enrolled in a bachelor’s, master's or doctorate degree program in aerospace engineering, aeronautical engineering, astronautical engineering, thermal engineering, mechanical engineering or physics discipline and have at least one semester of school remaining post internship.
Process Engineer Intern - Drinking Water Black & Veatch Holding CoProcess Engineer Intern - Drinking WaterIrvine, CA$19.41–$41.95 / hourPossesses knowledge of conventional water treatment and is familiar with some of the processes such as advanced treatment, drinking water treatment, treatment facility, reverse osmosis, microfiltration, disinfection, oxidation, pilot testing, bench testing, PFAS, clarifiers, DBPs, taste and odor (T&O), ozone, ultraviolet (UV), advanced oxidation (AOP). You'll work alongside teams solving complex challenges and turning ideas into solutions that perform in the real world-gaining hands-on experience across projects, technologies, and disciplines.
Manufacturing Engineer Intern Co-Op Precision Castparts CorpManufacturing Engineer Intern Co-OpSouth Gate, CABasic understanding of total quality management systems and tools, such as systematic problem-solving, root cause analysis, process design, demand flow, bills of material structure, process plans, routings, and Value Stream Mapping. is the market leader in manufacturing large, complex structural investment castings, airfoil castings, forged components, aerostructures and highly engineered, critical fasteners for aerospace applications.
Operations Co-Op Intern Precision Castparts CorpOperations Co-Op InternGarden Grove, CA$21–$23 / hourStudents will work directly alongside experienced operations leaders and spend the majority of their time on the production floor driving improvements, solving real operational problems, and delivering measurable results while learning how manufacturing systems are led, improved, and sustained. is the market leader in manufacturing large, complex structural investment castings, airfoil castings, forged components, aerostructures and highly engineered, critical fasteners for aerospace applications.
Propulsion Design Intern Summer 2027 Rocket Lab USAPropulsion Design Intern Summer 2027Long Beach, CATo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Additional perks include subsidized EV charging, onsite fitness centers (where available), discounted gym memberships, complimentary snacks and beverages, 50% employee discount on our popular merch store, and a variety of other employee discounts.
Software Engineer Intern Hadrian AutomationSoftware Engineer InternTorrance, CaliforniaBacked by leading investors including JPMorgan Chase, Valor Equity Partners, Andreessen Horowitz, Founders Fund, 137 Ventures, Lux Capital, T. Rowe Price, and Morgan Stanley, we’re building the future of American manufacturing—and looking for exceptional people to help make it happen. Series D at a $7.87B valuation, Hadrian is rapidly expanding our manufacturing footprint, launching new capabilities across welding, casting, forging, electronics, additive manufacturing, and more, while scaling our Factory-as-a-Service platform to transform how critical products are built.
Fluid Component Intern Summer 2027 Rocket Lab USAFluid Component Intern Summer 2027Long Beach, CAImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. As a Fluid Component Intern based at Rocket Lab's site in Long Beach, California, you will have the opportunity to support the Components team in working to design second generation devices to achieve the next level of maturity and reliability for future missions.
Propulsion Intern Summer 2027 Rocket Lab USAPropulsion Intern Summer 2027Long Beach, CAImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Additional perks include subsidized EV charging, onsite fitness centers (where available), discounted gym memberships, complimentary snacks and beverages, 50% employee discount on our popular merch store, and a variety of other employee discounts.
Propulsion Design Intern Spring 2027 Rocket Lab USAPropulsion Design Intern Spring 2027Long Beach, CAImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Additional perks include subsidized EV charging, onsite fitness centers (where available), discounted gym memberships, complimentary snacks and beverages, 50% employee discount on our popular merch store, and a variety of other employee discounts.
Structural Analysis Intern Spring 2027 Rocket Lab USAStructural Analysis Intern Spring 2027Long Beach, CAImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Additional perks include subsidized EV charging, onsite fitness centers (where available), discounted gym memberships, complimentary snacks and beverages, 50% employee discount on our popular merch store, and a variety of other employee discounts.
Fluid Component Intern Spring 2027 Rocket Lab USAFluid Component Intern Spring 2027Long Beach, CAImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. As a Fluid Component Intern based at Rocket Lab's site in Long Beach, California, you will have the opportunity to support the Components team in working to design second generation devices to achieve the next level of maturity and reliability for future missions.