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Irvine intern

61 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 17, 2026  
Pharmacy Technician 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
OU
Mar 16, 2026  
Project Administrator
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. OHLA USA, Inc. is seeking a Project Administrator.  The Project Administrator reports to the Project Manager and Lead Project Administrator. This is a full-time onsite role.  Responsibilities: Personnel Craft/Field New Hire paperwork Upload and update employee data such as Union Pay Upgrades, tax forms, etc. E-Verify Assist project safety staff and IT with coordinating equipment for project staff Accounts Payable Complete 3-way match Work with Project...
OHLA USA Irvine, CA, USA
Uo
Feb 26, 2026  
Per Diem Pharmacy Technician II - Inpatient Pharmacy Irvine - 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
ME
Mar 17, 2026  
Sales Development Representative
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 Sales Development Representative is responsible for generating new business opportunities through research, cold calling, outreach, and lead qualifications. This role supports revenue growth by identifying potential clients, engaging prospects, and assisting with early‑stage account management. The SDR also supports client retention efforts through coordinated follow‑ups and participation in renewal activities. Essential Duties & Responsibilities: Lead Generation & Sales Outreach • Conduct cold calls, researched outreach, and proactive solicitation to develop new sales opportunities. •...
Mesa Energy Systems, Inc. Irvine, CA, USA
Uo
Mar 17, 2026  
Clinical Nurse II - Irvine Operating Room - FT, Days (PB to 140352)
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 17, 2026  
Clinical Nurse II - Irvine Operating Room - FT, Days
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
EMCOR Facilities Services, Inc.
Mar 17, 2026  
Commercial Facilities Maintenance Technician
About Us: From commercial office space and manufacturing to multi-site retail portfolios, we manage and support over 1 billion square feet of facilities space for the nation’s leading organizations. We provide comprehensive facility services ranging from mechanical maintenance and self-performed, site-based operations to energy-efficiency upgrades and supplier-managed interior/exterior maintenance. Job Summary: Responsible for delivering effective, efficient, and timely delivery of the Company’s line of services to multiple customers within an assigned geographic territory. Is provided a company vehicle and tools and travels to a variety of customer sites to maintain commercial properties. Performs perform preventative, corrective and predictive maintenance, troubleshooting and general service of buildings, equipment and grounds. Conducts “face to face” relationship with Customers to provide quality workmanship and high work standards to maintain a professional working...
EMCOR Facilities Services, Inc. Irvine, CA, USA
Uo
Mar 17, 2026  
Clinical Nurse II -Irvine Operating Room - FT, Days (PB to 123002)
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
ME
Mar 17, 2026  
Senior Account Manager
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: As a Sr. Account Manager, you will be responsible for developing sales, profits, and relationships with potential clients. The candidate is to focus his/her efforts on selling clients the complete EMCOR Service operations, maintenance, repair, replacement, and energy solution package. Essential Duties & Responsibilities: This position will be responsible for developing sales presentations, prospecting for new accounts and providing clients with product services/information.  This position also has responsibility for maintaining client pricing and payments, A/R management, client correspondence, P/L...
Mesa Energy Systems, Inc. Irvine, CA, USA
ME
Mar 17, 2026  
Maintenance Sales Associate
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: A Maintenance Sales Associate is responsible for developing relationships that will result in the sale of maintenance contracts with existing and new clients in all vertical markets that EMCOR/Mesa is now pursuing, or any markets Mesa determines to pursue in the future. Maintenance Sales Associates will focus their efforts on developing new client relationships (clients who have no existing relationship with Mesa), informing clients about the complete maintenance opportunities, repair, replacement, service and or energy efficiency packages with the intent of selling Mesa products and services. To fully realize...
Mesa Energy Systems, Inc. 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
ME
Mar 12, 2026  
Administrative Sales Support
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 Administrative Sales Support position will provide general sales assistance to the local office sales team. This position utilizes skills to make certain that sales personnel have the proper information and assist with job requirements for customer sales. Essential Duties & Responsibilities: • Agreement and alignment with EMCOR/ Mesa’s written philosophy of sales, established processes and procedures related to sales. • Provide accurate, timely support to the sales team or other sales team member when designated. • Learn and understand Energy Benchmarking, Energy Star, Energy Analysis, Air Advice...
Mesa Energy Systems, Inc. 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 10, 2026  
Intercollegiate Athletics Media Relations Assistant
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 mission of Intercollegiate Athletics at the University of California, Irvine is to facilitate and enrich the education and personal growth of its students through their participation in competitive NCAA Division I athletics. Intercollegiate Athletics is committed to the welfare of...
University of California, Irvine Irvine, CA, USA
Uo
Mar 10, 2026  
Applications Programmer - Limited
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: Under direct supervision applies professional software concepts and department / unit and campus, medical center or Office of the President policies and procedures to small projects or portions of projects. Resolves routine programming problems. Works on...
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 05, 2026  
Temporary Groundskeeper
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: Job duties include, but are not limited to:  Coordinate and perform maintenance of exterior landscapes, including gardening, planting, tree care, and playing‑field upkeep. Manage erosion control, pest management, and exterior fire‑prevention projects. Repair and...
University of California, Irvine Irvine, CA, USA
 
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