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57 results for Executive Personal Assistant in Costa Mesa, CA

Accounting Assistant

Fullerton, CA
onsite
Temporary to Hire
24 - 25 USD / Hourly
We are looking for an Accounting Assistant to join a manufacturing organization in Fullerton, California on a contract basis with the potential for a permanent role. This position supports both payables and receivables operations, helping maintain accurate financial records and timely transaction processing. The ideal candidate is detail-oriented, organized, and comfortable handling a mix of invoice, payment, and general accounting tasks in a fast-paced environment. Responsibilities: • Enter supplier invoices into the accounting system with a high degree of accuracy and attention to detail. • Reconcile purchase orders, invoices, and payment records to confirm transactions are complete and properly supported. • Maintain organized digital records by scanning and filing invoice documentation for audit readiness and future reference. • Work with vendors and internal purchasing teams to investigate and resolve billing differences or pricing issues. • Coordinate scheduled and off-cycle payment runs while ensuring disbursements are processed correctly and on time. • Secure approvals for invoices outside the purchase order process and apply appropriate general ledger classifications. • Record incoming customer payments promptly and allocate receipts accurately within the accounting system. • Prepare customer billing from shipping documentation and issue invoices on a daily basis. • Review employee expense submissions for required support and policy compliance, and assist with journal entry processing or other accounting projects as needed.
2026-07-13T00:00:00Z

Accounting Assistant

Monrovia, CA
onsite
Temporary / Contract
20 - 22 USD / Hourly
Robert Half is searching for entry-level Accounting Assistants for ongoing opportunities. The Accounting Assistants' duties will include: data entry, matching invoices to purchase orders or vouchers, and assisting with the processing of accounts payable and accounts receivable. If this sounds like you, please apply today!Bookkeeping:· Assist in maintaining accurate and up-to-date financial records.· Record daily transactions, including accounts payable and accounts receivable entries.Invoice Processing:· Process and verify invoices from vendors.· Ensure proper coding and documentation before submitting invoices for approval.Expense Reconciliation:· Reconcile credit card statements and receipts.· Verify and reconcile employee expense reports with receipts and company policies.Data Entry:· Enter financial data into accounting software or spreadsheets.· Maintain organized and well-documented records for easy retrieval.Assist with Financial Reporting:· Support the preparation of financial reports, including income statements and balance sheets.· Provide necessary information and documentation for financial audits.
2026-07-09T00:00:00Z

Accounting Administrative Assistant

Torrance, CA
onsite
Permanent / Full Time
52000 - 62400 USD / Yearly
We are looking for an Accounting Administrative Assistant to support day-to-day financial and administrative operations in Torrance, California. This role combines entry-level accounting duties with office coordination, helping maintain accurate records, support internal communication, and keep administrative processes organized. The ideal candidate brings strong attention to detail, comfort working with routine financial transactions, and the ability to manage multiple support tasks efficiently. Responsibilities: • Process vendor invoices, assist with payment tracking, and support basic accounts payable activities with accuracy and timeliness. • Prepare customer billing information, follow up on outstanding balances, and help maintain organized accounts receivable records. • Enter, update, and maintain financial and administrative data to ensure files and documentation remain complete and accurate. • Provide administrative support for human resources tasks such as document handling, record upkeep, and general coordination assistance. • Coordinate internal announcements and help distribute communications clearly and promptly across teams. • Assist with planning and organizing company meetings, staff activities, and external events, including scheduling and logistical support. • Track office equipment records and support basic fixed asset administration for internally used items. • Help maintain office compliance documentation, support policy-related administrative tasks, and monitor routine internal requirements. • Oversee office supply levels, place replenishment requests as needed, and maintain orderly inventory for day-to-day business use.
2026-07-08T00:00:00Z

Administrative Assistant for HR Dept

Glendale, CA
onsite
Temporary / Contract
26.6 - 30.8 USD / Hourly
We are looking for a highly organized Administrative Assistant to support a busy Human Resources team in California. This Long-term Contract position is ideal for someone who thrives in a fast-paced office setting, communicates clearly, and manages sensitive information with care. The role focuses on keeping daily operations running smoothly through strong administrative coordination, accurate documentation, and responsive internal and external support. Responsibilities: • Provide day-to-day administrative support for the Human Resources department while following established policies, procedures, and service standards. • Prepare, edit, and proofread correspondence, reports, forms, schedules, and other business documents to ensure accuracy and clear presentation. • Maintain organized paper and electronic files, track department records, and retrieve information from databases and internal systems as needed. • Respond to calls, visitors, and inquiries with courtesy, clarify procedures, and help resolve more complex issues in a timely manner. • Handle confidential employee and department information with discretion while supporting records management and documentation processes. • Assist with payroll-related paperwork, purchasing support, invoice and payment processing, and other routine financial or budget tracking activities. • Coordinate calendars, meetings, travel arrangements, and special events, including preparing agendas, distributing materials, and recording meeting notes. • Enter and update data in spreadsheets, logs, and reporting tools, and help improve office workflows through organized tracking and process support.
2026-07-09T00:00:00Z

Human Resources (HR) Assistant

Los Angeles, CA
onsite
Temporary / Contract
22 - 26 USD / Hourly
We are looking for an organized Human Resources Assistant to support daily HR operations in Los Angeles, California. This Human Resources Assistant position will help maintain employee records, coordinate onboarding documentation, and provide administrative assistance across a range of personnel activities. The ideal candidate is detail-oriented, comfortable handling confidential information, and able to keep multiple tasks moving efficiently in a fast-paced environment. Key Responsibilities:• Process check requests and record related expenses accurately within budget tracking processes.• Assemble and prepare onboarding packets and personnel folders for incoming employees.• Maintain organized filing systems for both new employee and separation documentation.• Draft and update employee letters related to transfers, status changes, and other personnel actions.• Keep organizational charts current by reflecting staffing updates and reporting changes.• Gather, review, and upload required compliance documents to ensure records remain complete.• Coordinate the distribution of employee recognition items for milestones such as birthdays and work anniversaries. Benefits: Health, Dental, Vision, 401k, and Sick Time Off.
2026-07-10T00:00:00Z

Human Resources (HR) Assistant

Los Angeles, CA
onsite
Temporary / Contract
23.75 - 25 USD / Hourly
Our non-profit client in Century City is looking for a dedicated and detail-oriented Temporary HR Assistant to help with an I-9 project. For this project you will be helping with I-9’s and various other HR related tasks. Looking for someone who has experience with I-9’s and has strong attention to detail. The project will be around 30-60 days and is onsite Monday – Friday, 9:00AM – 5:30PM. Responsibilities:• Review, sort, and organize personnel records for a workforce of approximately 60 to 100 employees, ensuring files are complete and easy to access.• Support HR documentation activities connected to a workforce platform transition, maintaining accuracy and consistency across employee records.• Scan, upload, and manage documents using digital tools such as OneDrive and Adobe to keep files current and properly stored.• Assist with employment eligibility processes, including coordination of E-Verify related tasks.• Manage and validate I-9 documentation with a strong understanding of compliance standards and recordkeeping requirements.• Perform administrative support duties tied to audits, screening process tracking, and general employee file maintenance.• Communicate with internal stakeholders in a thorough and attentive manner to resolve missing information and keep documentation workflows moving.• Work independently on assigned tasks while also collaborating with the broader HR team to meet project timelines.
2026-07-10T00:00:00Z

Part-Time Receptionist & Administrative Assistant

El Segundo, CA
onsite
Temporary / Contract
19 - 21 USD / Hourly
Part-Time Receptionist & Administrative Assistant Location: Onsite – in El SegundoSchedule: Monday, Tuesday, Wednesday | 8 hours per day (24 hours per week) so you would work 3 days out of the week Position Summary Client is seeking a dependable, highly organized Part-Time Receptionist & Administrative Assistant to support daily office operations and provide administrative support to the executive leadership team. This role serves as the front line of the organization while also handling essential administrative, HR, and financial support functions to keep the office running smoothly. Key Responsibilities Front Office & Reception Serve as the primary point of contact for all inbound and outbound callsGreet visitors and manage front desk coverageCoordinate meeting rooms and assist with event schedulingExecutive & Administrative Support Provide administrative support to the CEO, President, and COOSchedule meetings, appointments, and company eventsPrepare, update, and manage executive business cards and materialsAssist with travel requests and itinerary coordinationFinance & Purchasing Support Process expense reports and employee reimbursementsEnter financial data and assist with basic accounting trackingHandle purchasing requests and vendor coordinationHR & Employee Support Coordinate employee onboarding and offboardingSupport new hire orientation and training logisticsMaintain personnel files and administrative HR documentationOffice Operations Manage shipping and receivingMaintain filing systems and office recordsOrder and track office suppliesSupport preparation of event and promotional materialsProvide general office and administrative support as neededRequired Skills & Qualifications
2026-06-29T00:00:00Z