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Irvine Onsite intern

34 intern jobs found in Irvine

ME
Mar 12, 2026  
Intern - HVAC Sales
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 current students seeking experience in the energy, mechanical, building, service, sustainability, sales, or project management fields. Mesa interns will “rotate” across all job functions and present a final project at the end of the program while completing various tasks and support functions along the way. Interns will be responsible for providing support to the local branch and its service, operations, administrative, and sales teams. Tasks or support requested will include, but not be limited to, job walks or site visits to gather information...
Mesa Energy Systems, Inc. Irvine, CA, USA Intern
Uo
Mar 25, 2026  
Operations Assistant Supervisor
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu . Student Housing is a self-funded, large and complex campus department consisting of 6 housing communities and 3 support units, with more than 300 staff employees, 300-400 student employees and an annual operating budget of $120 million. Student Housing provides housing for...
University of California, Irvine Irvine, CA, USA
Uo
Mar 24, 2026  
Senior Finance Analyst
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu .   At UC Irvine's Department of Ophthalmology and Gavin Herbert Eye Institute, our faculty of internationally recognized physicians, surgeons and scientists provide highly specialized training to future ophthalmologists, access to leading-edge clinical trials and sight-saving...
University of California, Irvine Irvine, CA, USA
ES
Mar 24, 2026  
Senior Accountant
$70,000 - $100,000 yearly
Senior Accountant Company Description: Easy Street Capital is a private real estate lender headquartered in Austin, Texas. We provide fast, simple, and reliable financing for real estate investors around the country. Defined by an experienced team and innovative loan programs, Easy Street Capital is the ideal financing partner for real estate investors of all experience levels and specialties. Whether an investor is fixing and flipping, financing a cash-flowing rental, or building ground-up, we have a solution to fit those needs. Job Description: As a Senior Accountant at Easy Street Capital, you will convert detailed loan-level data from multiple sources into timely, GAAP-compliant financial statements. We are looking for a highly organized and driven individual to join our Accounting Team at the premier private lender in Texas. You’ll get to work at a fun, fast-paced, and growing company in one of our vibrant downtown offices, or as a remote worker. Responsibilities...
Easy Street Capital Irvine, CA, USA
ES
Mar 24, 2026  
Cash Management Specialist
$85,000 - $105,000 yearly
Cash Management Specialist Easy Street Capital is a private real estate lender serving real estate investors around the country. Defined by an experienced team and innovative loan programs, Easy Street Capital is the ideal financing partner for real estate investors of all experience levels and specialties. Whether an investor is fixing and flipping, financing a cash-flowing rental, or building ground-up, we have a solution to fit those needs. Job description: We are looking for a an experienced Cash Management Specialist based in the Irvine, California area, with a minimum of 3 years of mortgage servicing experience to join our team. Responsibilities will be focused on s upporting core mortgage servicing operations with a focus on payment processing, cash reconciliation, and investor accounting. This role is responsible for ensuring accurate posting of borrower payments, reconciliation of loan activity, and timely investor reporting and remittances. The ideal...
Easy Street Capital Irvine, CA, USA
GH
Mar 24, 2026  
Administrative Assistant
$65,000 - $75,000 yearly
Administrative Assistant The Administrative Assistant plays a critical role in keeping the business running smoothly and efficiently. This position is ideal for someone with a can-do attitude, strong follow-through, and a willingness to jump in wherever needed. Youll support multiple departments, help solve problems as they arise, and ensure day-to-day operations stay organized, accurate, and moving forward.This role requires flexibility, initiative, and comfort handling a wide variety of administrative and operational tasks including accounts payable, HR, investor relations, and other responsibilities as business needs evolve. Core Responsibilities Proactively support daily business operations to ensure the office and teams run efficiently Assist with Accounts Payable, including invoice processing, tracking, and coordination with internal and external accounting partners Help develop, implement, and maintain operational policies, procedures, and initiatives Support the COO...
GATC Health Corp Irvine, CA, USA
Uo
Mar 23, 2026  
Senior Academic Graduate Coordinator / Graduate Coordinator
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu . Founded in 1965, the Henry Samueli School of Engineering educates more than 4,700 students (3,700+ undergraduates and 1,000+ graduates) with an integrative approach that blends fundamentals, research and hands-on experience. The School's aim is to unleash innovation, create...
University of California, Irvine Irvine, CA, USA
GL
Mar 19, 2026  
Senior Software Engineer
$137,000 - $160,000 yearly
Senior Software Engineer About GoodLeap: GoodLeap is a technology company delivering best-in-class financing and software products for sustainable solutions, from solar panels and batteries to energy-efficient HVAC, heat pumps, roofing, windows, and more. Over 1 million homeowners have benefited from our simple, fast, and frictionless technology that makes the adoption of these products more affordable, accessible, and easier to understand. Thousands of professionals deploying home efficiency and solar solutions rely on GoodLeaps proprietary, AI-powered applications and developer tools to drive more transparent customer communication, deeper business intelligence, and streamlined payment and operations. Our platform has led to more than $30 billion in financing for sustainable solutions since 2018. GoodLeap is also proud to support our award-winning nonprofit, GivePower, which is building and deploying life-saving water and clean electricity systems, changing the lives of more...
GoodLeap Irvine, CA, USA
FirstCarbon Solutions
Mar 18, 2026  
Senior Accounts Receivable Specialist
$36.00 - $45.50 hourly
FirstCarbon Solutions  (FCS), an ADEC Innovation is searching for a Senior Accounts Receivable Specialist (CG06) to join our team. The ideal candidate will have will have Deltek Vision experience and a strong background in accounting and administrative functions, be familiar with organizational policies and procedures, and exhibit independent judgment in managing workflow within the Accounting/Finance Division. This position partners closely with Project Managers, Project Directors, and the Project Operations Manager to ensure accurate billing, timely collections, and a smooth client experience. Salary Range : $36.00 – $45.50 hourly   Duties and Responsibilities  Client Billing & Invoicing Review monthly billing draft documents and determine billable items for each project based on contract terms, project status, and internal guidance. Create and lead monthly billing meetings with Project Managers to review draft billing packages and confirm accuracy. Prepare marked...
FirstCarbon Solutions Irvine, CA, USA
BA
Mar 18, 2026  
Senior Financial Analyst
About Dunmor   Dunmor is a premier direct lender focused on providing senior debt financing to residential and multifamily real estate investors across the country. Our lending solutions include bridge loans, value-add loans, new construction loans, and permanent portfolio loans designed to help investors   acquire, improve, and grow their real estate portfolios.  At our core, Dunmor exists to make the lending process faster, clearer, and more dependable for our borrowers. As a FinTech commercial lender in rapid-growth mode, we combine deep real estate lending expertise with technology that supports every part of the loan lifecycle. From underwriting and funding to portfolio management, we are building systems that help our team move efficiently while delivering a consistent, reliable experience for our clients.  We are a company that values practical thinking, strong collaboration, and people who take ownership of their work. As we continue to grow, we are building...
BARHD937 Irvine, CA, USA
Uo
Mar 17, 2026  
California Science Project Executive Director
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu .   The University of California, Irvine School of Education is a diverse, dynamic and collaborative community focused on advancing education sciences and contributing to improved education opportunities and outcomes for individuals across the education lifespan, from early childhood to...
University of California, Irvine Irvine, CA, USA
Uo
Mar 17, 2026  
Staff Pharmacist II-Inpatient Pharmacy Irvine-FT Variable Shift
Overview: UCI Health is the clinical enterprise of the University of California, Irvine, and the only academic health system based in Orange County. UCI Health is comprised of its main campus, UCI Medical Center , a 459-bed, acute care hospital in in Orange, Calif., four hospitals and affiliated physicians of the UCI Health Community Network in Orange and Los Angeles counties and ambulatory care centers across the region. Listed among America’s Best Hospitals by U.S. News & World Report for 23 consecutive years, UCI Medical Center provides tertiary and quaternary care and is home to Orange County’s only National Cancer Institute-designated comprehensive cancer center , high-risk perinatal/neonatal program and American College of Surgeons-verified Level I adult and Level II pediatric trauma center , gold level 1 geriatric emergency department and regional burn center . UCI Health serves a region of nearly 4 million people in Orange County, western Riverside County and...
University of California, Irvine Irvine, CA, USA
Uo
Mar 11, 2026  
Financial Analyst 2
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu . Pediatrics Responsibilities: Under general supervision of the Finance Director, the incumbent has responsibility for analysis and review of assigned deparment accounts. Accounts may include both clinical funds as well as contracts and grants. The incumbent is responsible for...
University of California, Irvine Irvine, CA, USA
Uo
Mar 09, 2026  
Per Diem Staff Physician
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu .   Responsibilities: The staff physician in Occupational Health is responsible for the provision of occupational health clinical services under the direction of the Medical Director of Occupational Health. Job duties include administration of employee-based medical surveillance...
University of California, Irvine Irvine, CA, USA
Uo
Mar 06, 2026  
Planning Analyst
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu .   Institutional Research, Assessment, and Planning (IRAP) provides reliable and accurate data, insights, and guidance to help inform campus units with their decision-making, planning, and reviews. Our goal is to enhance campus excellence across teaching, research, and service and...
University of California, Irvine Irvine, CA, USA
Uo
Mar 05, 2026  
Beall Applied Innovation Assistant Director, Facilities and Technology Services
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu . UCI Beall Applied Innovation's (BAI) purpose is to measurably improve lives through access to UCI-developed knowledge. We partner with researchers and industry to move UCI knowledge and discoveries into products and markets. With this goal, we collaborate closely with...
University of California, Irvine Irvine, CA, USA
Uo
Mar 04, 2026  
Per Diem Occ Health Staff Physician
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu .   Responsibilities: The staff physician in Occupational Health is responsible for the provision of occupational health clinical services under the direction of the Medical Director of Occupational Health. Job duties include administration of employee-based medical surveillance...
University of California, Irvine Irvine, CA, USA
OU
Mar 04, 2026  
Senior Project Administrator - AP and Job Cost
Overview: Who is  OHLA USA ? We are a company who believes in building a better, safer, more sustainable world for generations to come. We are committed to making a difference within our communities, who depend on the safety and reliability of the structures we build and is possible with our main asset,  our people!   OHLA USA brings together the construction industry's most diverse talent who thrive in a collaborative work environment and appreciate challenges and opportunities.   We currently have an opportunity for a Senior Project Administrator in Irvine, CA . The Senior Project Administrator will be responsible for providing administrative support to the project operations team so that they can build a successful project. This is a full-time in-office. Responsibilities: Supervising, Training and leading of regional Project Administrative Team Assist all project administrators with any questions they have on process or need assistance with (invoices, sub...
OHLA USA Irvine, CA, USA
Ensemble Health Partners
Mar 03, 2026  
Patient Access Specialist - PRN
Thank you for considering a career at Ensemble Health Partners! Ensemble Health Partners is a leading provider of technology-enabled revenue cycle management solutions for health systems, including hospitals and affiliated physician groups. They offer end-to-end revenue cycle solutions as well as a comprehensive suite of point solutions to clients across the country. Ensemble keeps communities healthy by keeping hospitals healthy. We recognize that healthcare requires a human touch, and we believe that every touch should be meaningful. This is why our people are the most important part of who we are. By empowering them to challenge the status quo, we know they will be the difference! O.N.E Purpose: Customer Obsession:  Consistently provide exceptional experiences for our clients, patients, and colleagues by understanding their needs and exceeding their expectations. Embracing New Ideas:  Continuously innovate by embracing emerging technology and fostering a...
Ensemble Health Partners Irvine, KY, USA Part time
Uo
Mar 01, 2026  
Temporary Admitting Worker Positions
Overview: Founded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is ranked among the nation’s top 10 public universities by U.S. News & World Report. The campus has produced five Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UC Irvine has more than 36,000 students and offers 224 degree programs. It’s located in one of the world’s safest and most economically vibrant communities and is Orange County’s second-largest employer, contributing $7 billion annually to the local economy and $8 billion statewide. To learn more about UC Irvine, visit www.uci.edu .   This recruitment is for  Temporary  Full-Time  Admitting Worker  positions through UCI's internal temporary staffing department.   Positions can be located at: UC Irvine - Campus  UC Irvine Medical Center - Orange  Costa Mesa Laguna Hills Newport Beach Santa Ana Anaheim...
University of California, Irvine Irvine, CA, USA
 
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