364 Results for

Administrative Support Jobs in Brea, CA

Jobs

New!

Los Angeles, CA6 days ago

$24–$28 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Join us in this exciting role where you will be a crucial part of our team, assisting in the delivery of top-notch financial consulting services to our esteemed clients.

New!

Rancho Cucamonga, CA2 days ago

$5,196 Per Month
Contractor

Assist in the development and preparation of reports, board items, budgets, and grant proposals; verify information and calculations; collect data and provides research assistance for various studies and reports; assist in the monitoring of budget expenditures, research variances and discrepancies, and recommend changes to budget accounts; prepare and process purchase orders and requisitions. May function as office coordinator for a college service area; coordinate work of clerical staff in various component programs; assess hourly staff skill levels and provide or arrange training as needed; coordinates accounting systems of component programs.

New!

Irvine, CA3 days ago

$20–$31 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. A growing public accounting team is seeking a detail-focused Tax Administrative Assistant to support tax professionals with the preparation, assembly, and delivery of client returns.

New!

Irvine, CA1 day ago

$23–$26

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.

New!

Corona, CA5 days ago

Temporary

The ideal candidate will be comfortable managing front desk responsibilities, assisting with administrative tasks, and providing excellent customer service in a fast-paced environment. We are seeking a professional and organized Receptionist / Administrative Assistant to join our team.

New!

Santa Ana, CA5 days ago

$25–$30 Per Hour
Temporary

We are seeking a reliable Administrative & Accounting Coordinator to support daily office operations in the manufacturing industry. Support bookkeeping: invoicing, A/R follow-up, deposits, credit card charges, reporting, and account reconciliation.

Los Angeles, CA11 days ago

$30–$40 Per Year
Full-time
Employee

Demonstrates in-depth knowledge of Microsoft Office and other relevant software and applies it to work assignments, especially Outlook, Word, Excel and PowerPoint. Uses knowledge of the function and manager’s role to independently resolve issues for managers, escalating and redirecting more technical inquiries as appropriate.

Monrovia, CA11 days ago

$24–$27 Per Hour

This role acts as a central point of contact for lab operations, ensuring efficient processing of customer samples and smooth communication across internal teams and external partners. Must be able to perform the essential physical functions of the position, including sitting, standing, walking, stooping, kneeling, andlifting upto 25 pounds, with or without reasonable accommodation.

New!

Monrovia, CA5 days ago

$22.19–$22.19 Per Hour

Assist with order intake and assignment through DM (SRs/ FIPLCs/ CHOs/ 3rd Party Infractions) and BRP3. Generate and distribute management reports using tools such as Power BI.

San Juan Capistrano, CA17 days ago

The Medical Assistant supports daily clinic operations through a combination of clinical and administrative responsibilities, including direct patient care, front office duties, and back office support. If you’re looking for a Medical Assistant job with career growth, mentorship, and meaningful patient impact, apply today and start building your future with Paloma Medical Group.

New!

Brea, CA2 days ago

$21–$25 Per Hour

This position plays an important role in supporting our paralegals by assisting with document printing, client communication, and coordinating the final steps of the estate planning process. The ideal candidate enjoys helping clients, takes pride in getting the details right, and understands that responsiveness and care make a difference in the client experience.

West Hollywood, CA23 days ago

$29–$29 Per Hour
Temporary
Contractor
Full-time

The Administrative Assistant will support our Supply Chain Department led by three directors and a team of professionals, a critical operational function within our healthcare organization. US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions.

Los Angeles, CA11 days ago

$21.50–$26 Per Year

Reconcile daily cash sale transaction payments and cash funds in the system, prepare the bank deposit, scan and process checks, prepare and submit required deposit paperwork to the Support Center. Maintain daily files for the Profit Center to include ship tickets, purchase order receivers, deposit back-ups, cash journals, and all daily reconciled reports. .

New!

Glendale, CA6 days ago

$23–$27 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Providing clinical assistance by performing routine tasks such as taking vitals, preparing patients for examinations, administering medication under the direction of a physician, and maintaining patient records.

New!

Los Angeles, CA6 days ago

$80,000–$110,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Over the years our reputation for providing our people with the very best has caught the eye of high-profile clients in business and the entertainment industry who have chosen to use us as their primary firm!

New!

Los Angeles, CA6 days ago

$70,000–$100,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Job Details: We are seeking an experienced Executive Assistant to support our CEO in the fast-paced and ever-evolving Legal Tech industry.

New!

Los Angeles, CA2 days ago

$70,000–$125,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Brea, CA1 day ago

$23–$25

New!

Los Angeles, California5 days ago

$85,746–$132,906 Per Year
Full-time

Work may also be conducted in outdoor environments, at construction sites, Railroad tracks and Right-of-Way environments, and warehouse environments, with possible exposure to individuals who are hostile or irate, moving mechanical parts, and loud noises (85+ decibels, such as heavy trucks, construction, etc.). The Contract and Compliance Administrator is a procurement officer who assists SCRRA departments with the ongoing contract administration and issuance of purchase orders for parts, construction, operations, maintenance, and professional services.

New!

Brea, CA1 day ago

$25–$25

New!

Irvine, CA3 days ago

Full-time
Employee

New!

Irvine, CA3 days ago

Full-time
Employee

2+ years of administrative, purchasing, or coordination experience (construction or real estate industry preferred)Strong organizational skills and high attention to detailAbility to manage multiple tasks and meet deadlines in a fast-paced environmentStrong communication skills, both written and verbalProficiency in Microsoft Office (Excel, Word, Outlook); experience with ERP systems (e.g., Sage, SAP, or similar) is a plusExperience working with vendors, purchase orders, or contracts is highly preferred. Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs.

New!

Irvine, CA3 days ago

Full-time
Employee

2+ years of administrative or office support experienceStrong organizational skills with the ability to multitask in a fast-paced environmentExcellent communication skills, both written and verbalProficiency in Microsoft Office (Excel, Outlook, Word)Professional, reliable, and detail-orientedAbility to work both independently and collaboratively. Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs.

New!

Los Angeles, CA3 days ago

$24–$25 Per Hour
Full-time
Employee

What We're Looking ForHigh school diploma and at least 1 year of general office experienceProficiency in Microsoft Windows, Word, and Excel; MS Access and Publisher a plusStrong written and verbal communication skillsExcellent organizational skills and attention to detailAbility to handle confidential information with discretionCompassionate, patient, and culturally sensitive approach to working with diverse populationsValid California driver's license (required if driving on company business)Bilingual skills a plus. What You'll DoHandle general office functions including correspondence, supply ordering, bulk mailings, and meeting minutesGreet and direct visitors and manage incoming callsCoordinate program logistics such as scheduling, meeting space, and meal arrangementsMaintain and develop computer databases for program statisticsPrepare professional documents including newsletters, brochures, and reportsOrganize and maintain office filing systemsProvide accurate information and referrals to clients and customers.

New!

Irvine, CA3 days ago

Full-time
Employee

Maintain and organize the investor portal, including reports, distributions, and correspondenceManage investor inquiries, document requests, and ongoing communicationsConduct regular audits of the investor database to verify contact, wire, tax, and commitment informationCoordinate annual mass investor mailings and customized mail merges (digital and physical)Track and manage communications for new funds and investorsSupport the planning and coordination of the annual investor conference, serving as the primary point of contact for presentation preparationOversee distribution of quarterly and annual reports, capital account statements, capital calls, and investor noticesCoordinate annual investor tax distributions, including 1099s, K?1s, and demand letters. Bachelor’s degree requiredMinimum of 3+ years supporting senior-level or C?suite executivesBackground in finance or legal environments strongly preferredHighly organized with exceptional attention to detailStrong written and verbal communication skillsAdvanced professionalism and discretion when handling confidential mattersProactive, solutions-oriented mindset with a desire to improve processes and efficiencyProficiency in Microsoft Office (Excel, PowerPoint, Word); comfort with databases and portals a plus.

New!

Los Angeles, CA3 days ago

$49,000–$52,000 Per Year
Full-time

You will handle day-to-day case administration through our proprietary case management system (PRISM), correspond with parties, attorneys, and neutrals, and ensure accurate scheduling, documentation, and billing processes. The American Arbitration Association (AAA) seeks a detail-oriented and service-driven Case Administrator to manage arbitration and mediation cases across a wide range of industries.

New!

Los Angeles, CA5 days ago

$21–$22 Per Hour

We're seeking a highly organized and proactive professional to provide essential support to staff and leadership teams, contributing to a mission-driven and dynamic environment. Youll work closely with executive staff to keep daily activities running seamlessly, making a real impact in public service.

Los Angeles, California10 days ago

$45,000–$55,000 Per Year

Who We Are: With more than 1,000 attorneys, policy advisors, e-discovery professionals, and other business professionals across offices in California, Colorado, the District of Columbia, Florida, Georgia Illinois, Maryland, Massachusetts, Minnesota, New York, Ohio, Pennsylvania, Tennessee, Texas, Virginia, West Virginia, and throughout North Carolina and South Carolina, Nelson Mullins has strong roots in the business community and an appreciation for new directions in the business world. Overview: Nelson Mullins, an AmLaw60 law firm, is seeking an Administrative Support Assistant to provide high-level administrative support to a dynamic team of legal professionals in the downtown Los Angeles office.

New!

Los Angeles, CAToday

Key skills include proficiency in Office tools, attention to detail, organizational ability, cultural awareness, strong communication, discretion, and industry knowledge. The Administrative Assistant role is based in Culver City, CA, offering a hybrid work schedule (3-5 days/week) for a 3-month period with potential for extension.

Los Angeles, CA27 days ago

$22–$24 Per Hour

Join a dynamic team in Downtown Los Angeles as an Administrative & Meeting Support Assistant and play a vital part in supporting public meetings and administrative functions within a collaborative environment. As an Administrative & Meeting Support Assistant, you will be responsible for: Providing comprehensive administrative and clerical support across various projects and teams, ensuring all tasks are completed efficiently.

New!

Los Angeles, CAToday

$45,000–$55,000 Per Year

Responsibilities include greeting visitors, answering phones, managing conference room reservations, coordinating catering, maintaining supplies, handling security badges, processing requests via building portals, supporting attorneys and staff with correspondence, legal documents, and filing, and managing invoices and expenses. Qualifications include a high school diploma (associate degree preferred), 2+ years of relevant experience, proficiency in Microsoft Office, strong communication and customer service skills, flexibility to work variable hours, and the ability to work independently and in teams.

New!

Hawthorne, California2 days ago

The Administrative Support Coordinator provide support for the executive leadership team by managing and supporting their initiatives, operations, daily activities, events, and communications. Energetic and focused personality with a demonstrated ability to take initiative, successfully handle and prioritize multiple competing assignments and effectively manage deadlines.

Los Angeles, California17 days ago

New!

Ontario, CA5 days ago

$19.84–$25.01 Per Hour

Responsibilities may include typing, filing, data entry, answering phones, managing travel arrangements, obtaining supplies, running and preparing reports and working on special projects, preparing reports, managing all incoming and outgoing mail, composing letters, memos and proposals, communicating with executives and creating presentations. With offerings including uniforms, mats, mops, towels, restroom supplies, workplace water services, first aid and safety products, eye-wash stations, safety training, fire extinguishers, sprinkler systems and alarm service, Cintas helps customers get Ready for the Workday®.

Los Angeles, CA30+ days ago

Remote

$45,760–$58,240

As a Remote Administrative Support Specialist, you will play a crucial role in providing exceptional administrative support to our gig workers and ensuring a seamless experience on our platform. NoGigiddy, a leading gig staffing platform revolutionizing the industry, is seeking a motivated and detail-oriented Remote Administrative Support Specialist to join our dynamic team.

Costa Mesa, CA30+ days ago

$55,000–$65,000 Per Year

It’s a feat that wouldn’t be possible without our team, a diverse group of creative visionaries and innovative experts who are relentless in pursuit of one goal: to ensure our buildings don’t simply meet the needs of our tenants, residents, and communities — but exceed them, every day. As part of Brookfield — one of the largest alternative asset managers in the world — we harness our resources to bring a fresh approach, unparalleled creativity, relentless innovation, and sound Sustainability practices to the planning, development, and management of buildings everywhere.

New!

El Segundo, CA5 days ago

This includes but is not limited to conducting research, preparing statistical reports, handling information requests, coordinating personnel and appraisal records, mail distribution, office support services, managing executive schedules, planning government travel from initial booking to reimbursement voucher Page 12 of 26 Space Domain Awareness & Combat Power (SDACP) Hemisphere PWS FA8819-24-R-B002 completion (i.e., Defense Travel System), coordinating staff activities, arranging meetings, events, and conventions, and performing other clerical functions. Tasks can include but are not limited to reviewing and coordinating performance reports, ensuring documents are in compliance with Space Systems Command, Space Force, Air Force, and DoD policy, laws, and regulations, facilitating interfaces with critical internal and external acquisition organizations, ensuring completeness and quality of acquisition and requirements-related documents, and monitoring front office tasks.

New!

Los Angeles, CAToday

This Administrative Support-Customer Service role in Los Angeles, California offers $869.07 per week with a shift from 6:00 AM to 2:30 PM, five days a week, starting on 01/19/2026. Located in Los Angeles, candidates can enjoy the city's vibrant culture, iconic landmarks, and diverse dining options while working in a dynamic environment.

Los Angeles, CA30+ days ago

$65,000–$85,000 Per Year

Arrowhead is leading the field in bringing the promise of RNAi to address diseases outside of the liver, and our clinical pipeline includes disease targets in the liver and lung with a promising pipeline of preclinical candidates. Travel & Congress Management: Coordinate and manage domestic and international travel arrangements for various congresses, including flights, accommodations and event logistics, ensuring a smooth and efficient experience.

New!

Chino, CAToday

This Program Administrator role supports Transportation Operations Management (TOM) ACES by managing project workflows, tracking, and stakeholder alignment. Key responsibilities include overseeing project deliverables, identifying process improvements, monitoring reporting, and coordinating multiple work streams.

Corona, CA19 days ago

$20–$25 Per Hour

Communication Technology Services, CTS, is one of the largest integrators and managed service providers for mobile networks in the U.S. The company specializes in the design, installation and support of Distributed Antenna System (DAS), Small Cell, and 4G/5G Private Wireless Networks for the mobile network operators, enterprise and venue owners and network infrastructure owners. Support construction billing processes, including invoice preparation, change order tracking, cost reconciliation, and maintaining accurate billing and financial records.

Los Angeles, California30+ days ago

$69,500–$100,800 Per Year

The firm has approximately 2,500 lawyers and professionals serving clients in major centers of business, finance, technology, and government in Boston, Chicago, Dublin, Hong Kong, London, Los Angeles, Milan, New York, Paris, San Francisco, Seoul, Shanghai, Silicon Valley, Singapore, Tokyo and Washington, D.C. The firm has consistently been recognized for its leading practices in many areas, including asset management, private equity, M&A, finance, real estate, tax, antitrust, life sciences, health care, intellectual property, litigation & enforcement, privacy & cybersecurity, and business restructuring. The Legal Administrative Assistant will coordinate travel arrangements, including booking flights, hotels, and ground transportation, and will process invoices and expense reports, reviewing submissions for accuracy, ensuring correct coding, and resolving discrepancies in a timely manner.

New!

Garden Grove, CA2 days ago

$24–$33

This role is ideal for someone who thrives in a fast-paced healthcare environment and enjoys coordinating schedules, supporting participants and families, and providing excellent customer service. The Administrative Assistant will help ensure smooth clinic operations by coordinating specialty appointments, arranging transportation, maintaining records, and collaborating with interdisciplinary teams.

Pasadena, California27 days ago

$22–$30 Per Hour

We are seeking a detail-oriented Administrative Assistant / Collections Coordinator to support our office operations and accounts receivable process. This role requires prior experience in restoration or construction, as well as strong organizational, communication, and follow-up skills.

Long Beach, CA30+ days ago

Under the responsibility of the Chief of Projects & Construction Management or the Chief of Planning, Major Projects and Activations and Program Management, the Administrative Assistant will perform administrative functions that may include human resources, administration, management, budgetary financial and program analysis, office support services, document control, procurement and logistics, contract management, and a variety of other related administrative matters in support of the Projects & Construction Management Section or Planning and Program Management Major Projects and Activations. Positions will be assigned to specific sections within the department, including Capital Development, Projects & Construction, Business Management, and Maintenance & Operations, and report to the respective Section Supervisor in support of medical center tasks.

Costa Mesa, CA27 days ago

$32.69–$33.65 Per Hour

This role is ideal for a proactive professional who has successfully supported senior leadership teams, managed high-level administrative responsibilities, and created professional presentations and marketing materials with exceptional attention to detail. We are seeking a highly polished Senior Administrative Assistant with strong executive support experience and a creative eye for graphic design to join a respected organization in Costa Mesa.

Newport Beach, CA30+ days ago

Resource's typical working day: The purpose of this position is to provide business operations administrative support to a corporate real estate brokerage team. May perform administrative duties specific to department such as, conducting research, updating databases, and preparing collateral materials for mass mailings.

Santa Ana, CA17 days ago

$18–$20 Per Hour

Duties of the Administrative Assistant include providing support to our managers and employees, assisting in daily office needs, and managing our company’s general administrative activities. We work closely with city, county, and state social service agencies, police departments, victim advocates, family resource centers, nonprofit agencies, and community service programs.

Costa Mesa, CA25 days ago

As an Administrative Assistant at High Seas, you will play a crucial role in supporting the General Manager and ensuring effective communication and system management within our dynamic environment. We are seeking a motivated Administrative Assistant to support our General Manager in ongoing business operations and ensure smooth daily operations at our vibrant dispensary.

El Segundo, California18 days ago

$80,000–$110,000 Per Year

Provide comprehensive administrative support, including creating reports and briefings, reviewing staff packages, answering phones, managing conference rooms, scheduling meetings, supporting in/out-processing, managing mail, updating recall rosters, and tracking personnel actions. This Task Order (TO) provides the MilComm & PNT Directorate with a broad range of acquisition capabilities to execute effective and responsive integrated program management of space-related research, development, production, operations and maintenance, and lifecycle acquisition activities.

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Administrative Support Jobs in Brea, CA

Administrative Assistant Jobot

Administrative Assistant II, Distance Education Chaffey College

Tax Administrative Assistant Jobot

Administrative Assistant Vaco LLC

Receptionist / Administrative Assistant Kinetic Personnel Group

Administrative Assistant Kinetic Personnel Group

Administrative Assistant WinCorp Solutions

Administrative Coordinator PEAK Technical Staffing

Administrative Assistant Careers Integrated Resources Inc

Medical Assistant / Medical Support Specialist Paloma Medical Partners, A California General Partnership

Legal Administrative Assistant - Paralegal Assistant The Wagon Legacy

Administrative Assistant US Tech Solutions, Inc.

Sr Profit Center Office Administrator Hajoca Corporation

Medical Assistant (Primary Care, Oncology, OB/GYN, Women's Health) Jobot

Litigation Legal Assistant / Legal Secretary (No Family Law Experience required) Jobot

Executive Assistant Jobot

Litigation Legal Assistant Jobot

Human Resources Admin Vaco LLC

Contract & Compliance Administrator MetroLINK

HR Assistant Vaco LLC

Administrative Coordinator Company Confidential

Administrative/Purchasing Coordinator Company Confidential

Office Administrator Company Confidential

Temp HR Admin Assistant Company Confidential

Executive Assistant Company Confidential

Case Administrator (Legal Services/Administrative Support) American Arbitration Association Inc.

Administrative Support for a government client-Hiring now! 837342 Helpmates

Administrative Support Assistant Nelson Mullins Riley & Scarborough, LLP

Administrative Assistant II (support SVP) TriOptus LLC

Administrative & Meeting Support Assistant- Government background helpful 836598 Helpmates

Receptionist - Administrative Support Assistant Dykema

AUJS - Administrative Support Specialist Allied Universal

Administrative Support Coordinator Allied Universal

Administrative Support Professional Cintas

Remote Administrative Support Specialist - No Degree Required NoGigiddy

Insurance Administrative Support Brookfield Properties

Administrative Support Services - Secret Clearance Solutions Through Innovative Technologies, Inc

Administrative Support - Customer Service TotalMed Staffing

Specialist, Administrative Support Arrowhead Pharmaceuticals

Program Administrative Support, NAST ACES Amazon

Administrative Assistant- SoCal Communication Technology Services (CTS)

Legal Administrative Assistant Ropes & Gray

Administrative Assistant (PACE Clinic ) at Garden Graove, CA Aroha Technologies

Administrative Assistant / Collections Ultimate Staffing Services

Administrative Assistant Terrestris Global Solutions

Sr. Administrative Assistant 836603 Helpmates

Administrative/Operations - Administrative Assistant Veterans Sourcing Group

Administrative Assistant Casa de la Familia

Administrative Assistant High Seas

Executive Administrative Assistant Apogee Engineering, LLC

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