Top 475 Office intern Jobs in Irvine, Ca

Intern
UMB Financial Corporation —Costa Mesa, CA
- $33,786 - $49,698 a year
- Email
- Communication skills
- Entry level
- Paid holidays
- Health insurance
4d
intern
Robinson Hill Architecture —Costa Mesa, CA
- Organizational skills
- Internship
- Entry level
IT Intern
Niagara Bottling —Diamond Bar, CA
- $28.59 - $37.88 an hour
- Research
- Continuous improvement
- Organizational skills
- Health savings account
- AD&D insurance
Quick Apply
6d
Assurance Intern (Irvine - Spring 2027)
Eide Bailly LLP —Irvine, CA
- $25 - $32 an hour
- Overtime
- Research
- Office
- Travel
- Profit sharing
- Health insurance
3d
Legal Assistant / Legal Intern
Wong & Associates, Lawyers, P.C. —Irvine, CA
- $17 - $25 an hour
- Part-time
- Writing skills
- US work authorization
- Computer skills
Quick Apply
Office Admin Intern (Paid Part-Time)
EV Mode —Irvine, CA
- $18 - $20 an hour
- Part-time
- Bachelor of Science
- Office
- Databases
Quick Apply
Human Resources Intern - Summer 2027
Henkel —Irvine, CA
- $22 - $27 an hour
- Full-time
- Office
- Recruiting
- Business Administration
Quick Apply
4d
Administrative Assistant I - Part-Time (Temporary)
Baker College —Newport Beach, CA
- $20 - $25 an hour
- Part-time
- Hybrid work
- Office
- High school diploma or GED
- Organizational skills
Quick Apply
Temporary Part-Time Administrative Assistant, Public Health
University of California, Irvine —Irvine, CA
- $27.06 - $45.76 an hour
- Part-time
- Background check
- English
- Office
- Paid holidays
- Health insurance
4d
Intern, M2 Program Management Office
OCTA —Orange, CA
- $20 - $23 an hour
- Part-time
- Research
- Office
- Finance
12d
Human Resources Intern (Fall)
Ware Malcomb —Irvine, CA
- $17 - $21 an hour
- Office
- Internship
- Communication skills
Quick Apply
6d
Administrative Assistant
Powerstone Property Management —Irvine, CA
- Front desk
- Typing
- Entry level
Intern, Internal Communications
OCTA —Orange, CA
- $20 - $23 an hour
- Part-time
- Microsoft Excel
- Marketing
- Organizational skills
6d
Intern
Brown & Brown —Orange, CA
- $20 an hour
- Full-time
- Customer service
- Research
- Office
- Employee stock purchase plan
- Paid holidays
5d
Administrative Assistant
South Orange County Community College District —Irvine, CA
- $5,202 - $7,362 a month
- Email
- Background check
- School experience
- Word processing
- Disability insurance
- Health insurance
3d
FRP Summer 2027 Intern
Foundation Risk Partners —Orange, CA
- $19 - $20 an hour
- Seasonal
- Sales
- Office
- Analysis skills
- Paid holidays
- Disability insurance
Quick Apply
3d
COLLEGE INTERN I-III
City of Huntington Beach, CA —Huntington Beach, CA
- $17.24 - $24.53 an hour
- Temporary
- Microsoft Excel
- Customer service
- Computer literacy
2027 Summer Intern - Legal & Compliance Analyst
PIMCO —Newport Beach, CA
- $34.61 an hour
- Online Application
- English
- Office
- Analysis skills
- Relocation assistance
Administrative Assistant
City of Orange, CA —Orange, CA
- $60,453 - $77,522 a year
- Weekends as needed
- Word processing
- Writing skills
- Basic math
- Paid holidays
- Disability insurance
13d
Corporate Strategy Intern (Business Officers)
M.I.R.N.A.A. Consulting Inc. —Costa Mesa, CA
- $300 - $1,500 a week
- Part-time
- Hybrid work
- Residential
- Travel
- Contracts
- Flexible schedule
- Referral program
Quick Apply
2d

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Intern

UMB Financial Corporation -
Costa Mesa, CA

Apply Now

Job Details

Full-time
$33,786 - $49,698 a year
4 days ago

Benefits

Paid holidays
Health insurance
Dental insurance
Flexible spending account
Tuition reimbursement
Paid time off
Adoption assistance
Employee assistance program
Vision insurance
401(k) matching
Gym membership

Qualifications

Client onboarding
Accounts receivable management
Account maintenance
Spreadsheets
Trust administration
Customer interaction during outreach
Communication skills
Account opening
Entry level
Audit support

Full Job Description

The Corporate Trust team is a nationally recognized and ranked provider of bond trustee and agency services to the corporate and municipal marketplaces. Our trust services reach beyond traditional offerings to servicing aviation, reinsurance, and funeral trusts, while our agency business provides solutions for escrow and other transactional needs. Our team provides bond trustee and agency services to municipal and corporate issuers of taxable or tax-exempt debt. We also provide escrow-related and custodial services to corporations, not-for-profits, partnerships, and other business entities and individuals.

As the Corporate Trust Intern, you will work within the Corp Trust and Escrow group, helping with municipal bond administration and trustee services. As a Corporate Trust Intern, you will have a healthy mix of team-oriented and autonomous work.

How you will spend your time:

You will gain exposure to different teams and business partners in the Corp Trust and Escrow industry
You will help new accounts be onboarded
You will assist in keeping accounts current and in good standing
You will assist with client outreach and take action steps for ticklers and aged receivables
You will complete audit confirmations for clients
You will be apart of ongoing training for professional development within Corporate Trust

We’re excited to talk with you if:

You are currently enrolled in a bachelor’s program
You are proficient Excel
You are proficient in professional written and verbal communication
You have an interest in numbers and calculations

This position was posted on 09/03/2026. The application deadline for this position is 45 days from the posting date unless filled earlier.

Compensation Range:

$33,786 - $49,698

The posted compensation range on this listing represents UMB’s good faith and reasonable estimate based on its budget and what it expects to be the starting pay for this role, but the actual compensation may vary by geographic location, experience level, and other job-related factors. Please see the description of benefits included with this job posting for additional information.

UMB offers competitive and varied benefits to eligible associates, such as Paid Time Off; a 401(k) matching program; annual incentive pay; paid holidays; a comprehensive company sponsored benefit plan including medical, dental, vision, and other insurance coverage; health savings, flexible spending, and dependent care accounts; adoption assistance; an employee assistance program; fitness reimbursement; tuition reimbursement; an associate wellbeing program; an associate emergency fund; and various associate banking benefits. Benefit offerings and eligibility requirements vary.

Are you ready to be part of something more?
You're more than a means to an end—a way to help us meet the bottom line. UMB isn't comprised of workers, but of people who care about their work, one another, and their community. Expect more than the status quo. At UMB, you can expect more heart. You'll be valued for exactly who you are and encouraged to support causes you care about. Expect more trust. We want you to do the right thing, no matter what. And, expect more opportunities. UMBers are known for having multiple careers here and having their voices heard.

UMB and its affiliates are committed to inclusion and diversity and provide employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex (including gender, pregnancy, sexual orientation, and gender identity), national origin, age, disability, military service, veteran status, genetic information, or any other status protected by applicable federal, state, or local law. If you need accommodation for any part of the employment process because of a disability, please send an e-mail to [email protected] to let us know the nature of your request.

If you are a California resident, please visit our Privacy Notice for California Job Candidates to understand how we collect and use your personal information when you apply for employment with UMB.

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Refine Your Search

office intern jobs in irvine, ca

Intern

intern

IT Intern

Assurance Intern (Irvine - Spring 2027)

Legal Assistant / Legal Intern

Office Admin Intern (Paid Part-Time)

Human Resources Intern - Summer 2027

Administrative Assistant I - Part-Time (Temporary)

Temporary Part-Time Administrative Assistant, Public Health

Intern, M2 Program Management Office

Human Resources Intern (Fall)

Administrative Assistant

Intern, Internal Communications

Intern

Administrative Assistant

FRP Summer 2027 Intern

COLLEGE INTERN I-III

2027 Summer Intern - Legal & Compliance Analyst

Administrative Assistant

Corporate Strategy Intern (Business Officers)

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