Summer 2027 Internship - Architectural Engineering General MatterSummer 2027 Internship - Architectural EngineeringLos Angeles, CaliforniaThis role offers a unique opportunity to work alongside experienced engineers and project teams delivering large-scale industrial and nuclear infrastructure projects, including our flagship uranium enrichment facility. You will gain hands-on experience supporting integrated building systems design, multidisciplinary coordination, and construction planning for complex facilities.
Intern/Co-op - Midstream Logistics and Storage Mechanical/Civil/Electrical Engineering (Summer 2027) Marathon Petroleum CorpIntern/Co-op - Midstream Logistics and Storage Mechanical/Civil/Electrical Engineering (Summer 2027)La Palma, CALogistics & Storage (L&S) is comprised of four primary components: Logistics & Storage Engineering (L&SE): Logistics & Storage Engineering (L&SE) is an engineering service and project management organization comprised of engineering and other resources that primarily manage project work associated with Marathon Pipe Line (MPL), Terminals, and Marine organizations within MPLX. Marathon Pipe Line (MPL): MPL operates pipeline systems that move crude oil from production fields, other pipeline companies, and offshore platforms to MPC refineries, other refineries, and other pipeline systems.
Intern/Co-op – Geotechnical Engineering (Summer 2027) Langan Engineering & Environmental ServicesIntern/Co-op – Geotechnical Engineering (Summer 2027)Irvine, California$25–$32 / hourA student actively pursuing a 4-year or advanced degree in Civil or Geotechnical Engineering; Geotechnical coursework preferred; A cumulative GPA of 3.0 or greater is preferred; Working knowledge of AutoCAD and Microsoft Office Suite applications; Excellent written and verbal communication skills; Strong attention to detail with excellent analytical, multitasking, and judgment capabilities; Ability to effectively work independently and in a team environment; and. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.
Architectural Designer Intern (Summer 2027) CRB Group, Inc.Architectural Designer Intern (Summer 2027)Irvine, CAAs an AEC firm, we proudly specialize in industries that inherently carry important social responsibility - we recognize our impact and influence in the communities we serve and pursue corporate responsibility through the lens of people, community, and planet. Will work on a variety of architectural assignments, likely on more than one project simultaneously, and will be expected to work closely with architectural staff members to ensure assignments are completed accurately and efficiently.
Process Utilities Engineer Intern (Summer 2027) CRB Group, Inc.Process Utilities Engineer Intern (Summer 2027)Irvine, CAAs an AEC firm, we proudly specialize in industries that inherently carry important social responsibility - we recognize our impact and influence in the communities we serve and pursue corporate responsibility through the lens of people, community, and planet. Join our firm for an internship journey where you'll dive into real-world project work, learn from industry leaders and fully immerse yourself in the CRB employee experience.
Intern/Co-op – Site/Civil Engineering (Summer 2027) Langan Engineering & Environmental ServicesIntern/Co-op – Site/Civil Engineering (Summer 2027)Irvine, CaliforniaStudent actively pursuing a four year or advanced degree in Civil Engineering; Cumulative GPA of 3.0 or greater is preferred; Working knowledge of AutoCAD or Civil 3D, and Microsoft Office Suite applications; Excellent written and verbal communication skills; Strong attention to detail with excellent analytical, multitasking, and judgment capabilities; Ability to effectively work independently and in a team environment; and. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.
Project Engineer Intern - Summer 2027 (BREA, CA, US, 92821) Colas SAProject Engineer Intern - Summer 2027 (BREA, CA, US, 92821)BREA, CASince 1923, Sully-Miller has become one of the premier construction contractors in Southern California, building much of the region's infrastructure including airports, seaports, rail and intermodal, military/federal, roads, highways, and specialty projects. The Project Engineer Intern will support the project team by assisting with various operational tasks while gaining practical experience in business practices and project management.
Human Resources Intern - Summer 2027 (BREA, CA, US, 92821) Colas SAHuman Resources Intern - Summer 2027 (BREA, CA, US, 92821)BREA, CASince 1923, Sully-Miller has become one of the premier construction contractors in Southern California, building much of the region's infrastructure including airports, seaports, rail and intermodal, military/federal, roads, highways, and specialty projects. The Human Resources Intern will support the HR department by assisting with daily administrative tasks, recruitment processes, employee onboarding, and maintaining employee records.
Process Utilities Engineer Intern (Summer 2027) CRB Group, IncProcess Utilities Engineer Intern (Summer 2027)Irvine, CAAs an AEC firm, we proudly specialize in industries that inherently carry important social responsibility - we recognize our impact and influence in the communities we serve and pursue corporate responsibility through the lens of people, community, and planet. Join our firm for an internship journey where you'll dive into real-world project work, learn from industry leaders and fully immerse yourself in the CRB employee experience.
Equipment Intern - Summer 2027 (IRWINDALE, CA, US, 91706) Colas SAEquipment Intern - Summer 2027 (IRWINDALE, CA, US, 91706)irwindale, CASince 1923, Sully-Miller has become one of the premier construction contractors in Southern California, building much of the region's infrastructure including airports, seaports, rail and intermodal, military/federal, roads, highways, and specialty projects. The Colas USA Family of Companies provides competitive pay, outstanding benefits, career advancement opportunities, professional education, and extensive training for every employee.
Finance/Accounting Intern - Summer 2027 (BREA, CA, US, 92821) Colas SAFinance/Accounting Intern - Summer 2027 (BREA, CA, US, 92821)BREA, CASince 1923, Sully-Miller has become one of the premier construction contractors in Southern California, building much of the region's infrastructure including airports, seaports, rail and intermodal, military/federal, roads, highways, and specialty projects. The Finance/Accounting Intern will assist the Accounting/Finance team in carrying out various accounting programs and procedures as part of the company's internship program.
Project Engineer Intern - Summer of 2027 The Boldt CompanyProject Engineer Intern - Summer of 2027Whittier, CA$25–$29 / hourFull timeBoldt does not accept unsolicited resumes or candidate submissions at any time, including agencies with an active agreement—unless the submission is expressly requested by the Enterprise Support Talent Acquisition team. As a Project Engineering Intern at Boldt, you will work side by side with project engineers, superintendents, and craft professionals to support the successful delivery of projects.
Summer 2027 Tax Credits & Incentives Intern Baker Tilly Advisory Group, LPSummer 2027 Tax Credits & Incentives InternIrvine, CaliforniaBaker Tilly Advisory Group, LP and Baker Tilly US, LLP, trading as Baker Tilly, are independent members of Baker Tilly International, a worldwide network of independent accounting and business advisory firms in 141 territories, with 43,000 professionals and a combined worldwide revenue of $5.2 billion. Baker Tilly is a leading advisory, tax and assurance firm, providing clients with a genuine coast-to-coast and global advantage in major regions of the U.S. and in many of the world's leading financial centers - New York, London, San Francisco, Los Angeles, Chicago and Boston.
Summer 2027 Internship - Mechanical Engineering (HVAC) General MatterSummer 2027 Internship - Mechanical Engineering (HVAC)Los Angeles, CaliforniaYou’ll work alongside experienced engineers to design, model, and analyze air‑conditioning, ventilation, and hydronic systems for a wide range of commercial and industrial projects. In the process, we are restoring America’s ability to produce nuclear fuel to power AI, advanced manufacturing and critical industries our country relies on to remain competitive.
Summer 2027 Internship - Electrical Engineering (Buildings) General MatterSummer 2027 Internship - Electrical Engineering (Buildings)Los Angeles, CaliforniaWe’re looking for an Electrical Engineering (Intern) on the Buildings team with a strong interest in electrical systems design for industrial and mission‑critical facilities to join our growing engineering team. In the process, we are restoring America’s ability to produce nuclear fuel to power AI, advanced manufacturing and critical industries our country relies on to remain competitive.
Construction Project Management Internship EnclosConstruction Project Management InternshipLos Angeles, CAInternWhat We're Looking ForCurrently pursuing a degree in Engineering, Construction Management, Architecture, Business, or a related fieldPassion for construction and interest in pursuing a career in project managementAbility to read and interpret architectural/mechanical drawings (preferred)Willingness to learn project management tools and thrive in a fast-paced environmentAbility to work onsite at a construction jobsiteProgram DetailsFull-time during summer (10–12 weeks), with the potential for part-time continuation during the school yearInternship locations include:SacramentoLos AngelesNew York CityDenverSan Francisco Las VegasInternship positions are not eligible for benefits, incentive bonus, or holiday pay. With a legacy spanning generations, we've delivered hundreds of award-winning projects that have redefined what's possible in architecture, including:World Trade Center Transit Center – New York CitySmithsonian National Museum of African American History & Culture – Washington, D.C.Allegiant Stadium – Home of the Las Vegas Raiders30 Hudson Yards – New York CityChase Center – San FranciscoWhen you join Enclos, you don't just work on buildings - you help shape landmarks.
Project Engineer Intern - Summer 2027 Helix Electric IncProject Engineer Intern - Summer 2027CA$21–$28 / hourOur commitment to empowering people and powering projects is realized by our exceptional team of dedicated and highly skilled experts working together and never settling for good enough. QUALIFICATIONS: Enrolled in a bachelor's degree program such as Construction Management, Electrical Engineering, Civil Engineering, Architectural Engineering, or a related field.
Engineering Intern - Energy & Resources (Summer 2027) Stantec IncEngineering Intern - Energy & Resources (Summer 2027)Irvine, CA$23.47–$34.50 / hourStantec is an industry leading consultant engineering firm that is actively involved with a wide range of hydropower and dam projects, developing feasibility studies for future projects, and solving unique problems with innovative custom designs to meet the client's needs. Primary Location: United States | CA | Irvine Other Locations: United States | CA | Pasadena Organization: BC-2308 E&R-US Southwest Employee Status: Temporary Business Justification: New Position Travel: No Schedule: Full time Job Posting: 18/09/2026 08:09:19 Req ID: 1007785.
Environmental Engineering Intern (Summer 2027!) CDM Smith IncEnvironmental Engineering Intern (Summer 2027!)Irvine, CAIn addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing. We provide career opportunities that span a variety of disciplines and geographic locations, with projects that our employees plan, design, build and operate as diverse as the needs of our clients.
Intern/Co-op – Site/Civil Engineering (Summer 2027) LanganIntern/Co-op – Site/Civil Engineering (Summer 2027)Irvine, California$25–$32 / hourStudent actively pursuing a four year or advanced degree in Civil Engineering; Cumulative GPA of 3.0 or greater is preferred; Working knowledge of AutoCAD or Civil 3D, and Microsoft Office Suite applications; Excellent written and verbal communication skills; Strong attention to detail with excellent analytical, multitasking, and judgment capabilities; Ability to effectively work independently and in a team environment; and. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.