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42 results for Executiveadmin Assistant in Costa Mesa, CA

Sr. Administrative Assistant

Newport Beach, CA
onsite
Temporary to Hire
34.0385 - 43 USD / Hourly
We are looking for a highly organized Sr. Administrative Assistant to support leadership and client-facing operations in California. This contract position offers a path to a permanent role and is ideal for someone who thrives in a fast-paced banking environment and can balance executive support, client coordination, and follow-through on critical activities. The person in this role will help keep priorities moving, maintain strong communication across teams, and contribute to a high standard of service for both internal and external stakeholders. Responsibilities: • Coordinate calendars, internal meetings, and conference calls for leadership while capturing key discussion points and monitoring follow-up actions. • Support client and prospect interactions by preparing materials, attending meetings when needed, and ensuring next steps are documented and completed. • Organize, review, print, and route loan-related documentation, including tracking signature status and maintaining accurate records. • Gather required information for deposit and lending processes and assist with account-related and operational banking activities. • Perform wire callback support and respond to complex client issues with professionalism, urgency, and sound judgment. • Maintain a structured system for action items, project updates, and service requests so deadlines and client expectations are consistently met. • Travel locally to branch locations, client offices, or residences to deliver or retrieve signed documents and provide administrative support tied to banking transactions. • Contribute to outreach efforts, special assignments, and service initiatives that enhance client experience, team effectiveness, and brand presence. • Follow banking policies and compliance procedures, including proper escalation of unusual activity and adherence to regulatory standards.
2026-05-15T00:00:00Z

Jr. Administrative Assistant

Cheviot Hills, CA
onsite
Temporary / Contract
50000 - 54000 USD / Yearly
We are looking for a Jr. Administrative Assistant for an asset management company in West LA. This is a contract to hire position focused on administrative coordination, document handling, and accurate tracking of violation and insurance-related records. The ideal candidate is organized, attentive to detail, and comfortable managing routine office tasks while supporting day-to-day departmental operations. This is an onsite role, and the firm offers growth opportunities for motivated candidates. Responsibilities:• Review incoming toll notices, assess each item, and determine the appropriate next steps for resolution.• Prepare customer charges for toll-related items through the accounting system and respond to internal requests for supporting details.• Maintain accurate records that track received violations, current status, and follow-up actions.• Process insurance correspondence, including cancellation notices, and upload documentation into company records.• Examine parking citations and similar notices, then coordinate payment handling when required.• Sort departmental mail and route materials to the appropriate team members in a timely manner.• Assist with reporting, data entry, and other administrative tasks that help keep the department organized and efficient.• Provide additional operational support to management and the broader team as assigned.
2026-04-27T00:00:00Z

Office Assistant

Monrovia, CA
onsite
Temporary / Contract
19 - 20 USD / Hourly
We have local ongoing opportunities for Office Assistants / Administrative Assistants. Are you a self-starter who loves handling multiple projects at once with a positive outlook? Then we have a position for you. Please apply today for immediate consideration. How you will make an impact· Filing, copying and faxing for multiple departments· Maintain office facility· Route calls appropriately· Data entry If you have a winning team attitude approach and you are eager to grow your career to the next level, we want to hear from you! This position is perfect for you if you love thriving in a dynamic environment. Contact us now!
2026-05-06T00:00:00Z

Office Administrator

Santa Monica, CA
onsite
Temporary / Contract
30 - 35 USD / Hourly
Part-Time Administrative & Accounting Specialist (30 Hours/Week) Position OverviewWe are seeking a highly organized, dependable, and detail-oriented professional to join our team in a part-time, 30-hour-per-week Administrative & Accounting Specialist role. This position is ideal for someone who enjoys working in a collaborative, hospitality-oriented office environment and brings a strong blend of administrative support and accounting experience.The right person for this role is a strong culture fit for a small team: positive, professional, adaptable, service-minded, and willing to support a variety of office, financial, and operational needs. This individual will play a key role in keeping day-to-day office functions running smoothly while also supporting accounting processes, financial reporting, and data management. Key ResponsibilitiesAccounting & Financial Support<ul><li>Post and code financial transactions in QuickBooks Online in alignment with the approved budget.</li><li>Manage accounts payable and accounts receivable, including invoice processing and payment tracking.</li><li>Issue and process checks and wire payments while maintaining accurate records.</li><li>Run financial reports and help monitor budget-to-actual performance.</li><li>Assist with compiling financial data for budgeting, audit support, and other reporting needs.</li><li>Maintain organized digital and paper financial files.</li><li>Create and update Excel spreadsheets for tracking, reporting, and analysis.</li><li>Provide timely and accurate transaction documentation and support to external accounting partners as needed.</li></ul>Administrative & Office Support<ul><li>Serve as the first point of contact for the office by answering phones, greeting visitors, and directing inquiries professionally.</li><li>Help maintain a welcoming, organized, and professional office environment.</li><li>Manage office supply inventory and coordinate ordering as needed.</li><li>Liaise with outside vendors for office services, equipment, maintenance, and technology support.</li><li>Assist with scheduling, meeting preparation, and virtual meeting setup using tools such as Zoom or Microsoft Teams.</li><li>Provide proofreading and general administrative support for reports, correspondence, and internal documents.</li><li>Support file organization, data tracking, and other administrative needs across departments.</li><li>Assist with CRM data entry and list management; prior CRM experience is preferred.</li></ul>
2026-05-06T00:00:00Z

Human Resources Assistant

Oceanside, CA
onsite
Temporary / Contract
21 - 25 USD / Hourly
Robert Half is seeking an HR Assistant to support a busy human resources department within a fast-paced professional environment. The HR Assistant will play a key role in supporting onboarding, employee records management, recruiting coordination, and day-to-day HR operations. The ideal HR Assistant is organized, detail-oriented, and capable of handling sensitive information with professionalism and confidentiality. A positive attitude, reliability, and willingness to support multiple HR functions are essential. This contract to potential permanent opportunity is located in the San Diego region and may be onsite or hybrid. Key Responsibilities for the HR Assistant:<ul><li>Support onboarding and new hire documentation processes</li><li>Maintain employee files and update HRIS records accurately</li><li>Assist with interview scheduling and recruiting coordination</li><li>Respond to employee inquiries regarding HR policies and procedures</li><li>Prepare HR-related documents, reports, and correspondence</li><li>Track required trainings, certifications, and employee documentation</li><li>Support benefits administration and payroll coordination tasks</li><li>Assist with audits, compliance projects, and special HR initiatives</li><li>Manage shared HR inbox and maintain confidentiality of employee information</li></ul>
2026-05-07T00:00:00Z

HOA Administrative Assistant

Oceanside, CA
onsite
Temporary / Contract
24 - 32 USD / Hourly
Join a Team That Keeps Communities Running SmoothlyA well-established property management group in Oceanside is seeking an organized and service-focused HOA Administrative Assistant to support daily operations for a large residential apartment community. This role is ideal for someone who enjoys working in a fast-paced office environment, communicating with residents, and keeping administrative processes organized and on track. You’ll work closely with property managers, vendors, board members, and residents to help ensure the community operates efficiently and professionally. What You’ll Be Responsible For<ul><li>Support day-to-day administrative operations for the HOA management team</li><li>Coordinate resident communications, notices, and community updates</li><li>Answer phones, emails, and resident inquiries in a professional and timely manner</li><li>Schedule meetings, prepare agendas, and assist with meeting minutes</li><li>Maintain vendor records, contracts, and work order documentation</li><li>Assist with accounts payable tasks, invoice tracking, and administrative reporting</li><li>Organize and maintain electronic and physical files</li><li>Coordinate maintenance requests and follow up on service completion</li></ul>
2026-05-08T00:00:00Z

Accounting Assistant

Cerritos, CA
onsite
Temporary to Hire
22 - 23 USD / Hourly
We are looking for an Accounting Assistant to support day-to-day administrative and accounting operations of our client's corporate office in Cerritos, California. This opportunity is ideal for someone who enjoys keeping financial records organized, handling office support tasks, and assisting a busy accounting team with accuracy and efficiency. The role combines clerical coordination, document management, deposit preparation, and accounts payable support in an organized office environment. Responsibilities:• Manage incoming and outgoing mail by collecting, sorting, opening, and distributing correspondence throughout the office.• Review received checks, identify the appropriate entity, and document the information accurately for processing and tracking.• Prepare and organize bank deposits for remote deposit capture and enter related deposit details into internal spreadsheets.• Coordinate shipping activity, including arranging and tracking FedEx packages as needed.• Scan accounting and administrative documents, confirm image quality, and ensure complete records are captured.• Provide support to the accounts payable function through invoice copying, scanning, filing, and expense report documentation.• Create and format letters, reports, and other written materials requested by accounting leadership and office staff.• Maintain orderly department files, archive year-end accounting records for storage, and assist with additional administrative projects as assigned.
2026-05-14T00:00:00Z

Accounting Assistant

Fullerton, CA
onsite
Temporary to Hire
23.75 - 27.5 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.
2026-05-14T00:00:00Z

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.
2026-05-06T00:00:00Z

Accounting Assistant

Riverside, CA
onsite
Temporary / Contract
19.7885 - 25 USD / Hourly
We are looking for an Accounting Assistant to support both financial operations and administrative coordination for a mission-driven organization in Moreno Valley, California. This Long-term Contract position is ideal for someone who is comfortable balancing daily accounting tasks with hands-on office support in a fast-paced, service-oriented environment. The role offers the opportunity to contribute to accounts payable, accounts receivable, reporting support, and general administrative needs while working with teams that serve vulnerable populations. Responsibilities:• Process outgoing payments accurately, including invoice review, coding, and check handling for accounts payable activities.• Record incoming funds and maintain accounts receivable activity with a strong focus on high-volume transactions tied to grants, housing, and assistance programs.• Reconcile financial records and support routine balancing tasks to help maintain accurate accounting data.• Assist with gathering, organizing, and preparing information needed for internal reports and operational tracking.• Provide day-to-day administrative support to department leadership and respond to shifting team priorities as needed.• Maintain financial documentation and related records in an orderly manner to support compliance and audit readiness.• Use QuickBooks Online to enter, update, and monitor accounting information across assigned workflows.• Support cross-functional tasks and special projects that help keep office and finance operations running smoothly.
2026-05-14T00:00:00Z

Medical Staff Administrative Assistant

Santa Monica, CA
onsite
Temporary / Contract
32 - 45 USD / Hourly
A Healthcare Company is seeking a highly organized and detail-oriented Medical Staff Administrative Assistant to support the medical staff team, with a primary focus on peer review coordination. This role is ideal for an administrative professional with strong medical terminology knowledge, excellent documentation skills, and the ability to manage sensitive information with professionalism and discretion. Familiarity with physician credentialing and recredentialing processes is helpful, but direct credentialing experience is not required. Key Responsibilities:<ul><li>Provide administrative support to the medical staff office with a primary emphasis on peer review activities</li><li>Coordinate and organize peer review cases, including gathering, tracking, and documenting case-related information</li><li>Prepare materials for committee review and assist with follow-up on items requiring committee attention</li><li>Take accurate meeting minutes for peer review and other medical staff committee meetings</li><li>Maintain detailed, organized, and confidential documentation related to case reviews and hospital issues requiring committee evaluation</li><li>Assist in monitoring and supporting committee workflows to help ensure timely review processes</li><li>Work closely with internal teams and medical staff to support communication and documentation needs</li><li>Support medical staff operations related to physician credentialing and recredentialing, as needed</li><li>Handle sensitive and confidential information in accordance with hospital policies and professional standards</li></ul>Benefits: Medical, Dental and Vision Insurance. 401K Retirement, Sick Time Off and Tuition Reimbursement.
2026-05-16T00:00:00Z

Human Resource Assistant

Rialto, CA
onsite
Temporary / Contract
25.65 - 27 USD / Hourly
We are looking for a Human Resource Assistant to support compensation and benefits activities for a government organization in Rialto, California. This Contract position is expected to last 2 to 3 months and offers a four-day workweek from Tuesday through Friday. The ideal candidate will bring strong administrative accuracy, responsive customer service, and experience handling employee information in a fast-paced HR environment. Responsibilities: • Enter and maintain compensation and benefits information with a high level of accuracy in HR records and related systems. • Respond to employee questions regarding pay, benefits, and general HR matters while providing attentive customer support. • Collect, review, and organize employee documents and personal data needed for compensation and benefits processing. • Assist with benefits coordination tasks, including tracking enrollments, updates, and supporting required follow-up actions. • Support compensation-related administrative work by preparing records, verifying details, and ensuring information is complete. • Help maintain orderly and confidential employee files in accordance with organizational and regulatory standards.
2026-05-14T00:00:00Z

Legal Assistant

Beverly Hills, CA
onsite
Permanent / Full Time
85000 - 110000 USD / Yearly
High-End Plaintiff Trial Firm Seeks Litigation Legal Assistant About Firm & Position:A highly regarded California-based plaintiff trial firm headquartered in Beverly Hills seeks a Litigation Legal Assistant to support attorneys handling complex personal injury and civil litigation matters. The environment is professional, collaborative, and trial-focused, with a reputation for strong mentorship and long employee tenure. This Litigation Legal Assistant position will support two attorneys and play an important role in keeping cases moving efficiently through the litigation process. The Litigation Legal Assistant will work closely with attorneys handling active litigation matters in both federal and state courts. This Litigation Legal Assistant role offers the opportunity to be involved in sophisticated litigation matters while working alongside experienced trial lawyers in a supportive environment. Litigation Legal Assistant Responsibilities:<ul><li>Support two attorneys in managing active litigation matters.</li><li>Prepare, format, and file pleadings in federal and California state courts.</li><li>Draft correspondence, pleadings, and basic litigation documents for attorney review.</li><li>Maintain litigation calendars including court deadlines, hearings, and discovery schedules.</li><li>Organize and maintain litigation files and case documentation.</li></ul>Hours: 40-hour work week.Perks:<ul><li>High-end plaintiff trial practice handling sophisticated litigation matters.</li><li>Supportive firm culture with strong employee retention.</li><li>We have successfully placed multiple legal assistants with the firm who have remained long-term, including one assistant celebrating eight years with the firm this week.</li></ul>Salary: $85,000-$105,000 (DOE) Benefits:<ul><li>100% employer-paid medical benefits for employee</li><li>401(k) eligibility after 12 months of employment</li></ul> TO APPLY, ONLY send resume directly to Vice President of Direct Hire, Samantha Graham at Samantha [dot] Graham [at] RobertHalf [dot] [com]
2026-04-20T00:00:00Z

Legal Assistant

Irvine, CA
onsite
Temporary to Hire
31.6635 - 36.663 USD / Hourly
We are looking for a Legal Assistant to join a busy law firm team, supporting attorneys across matters involving construction, commercial disputes, government contracts, surety, and bankruptcy. This permanent, onsite role is a contract position with the potential to become permanent and is well suited for someone who thrives in a fast-moving legal environment, manages competing priorities with precision, and brings a strong service mindset to attorney support. The position offers the opportunity to contribute to a collaborative practice while building toward long-term growth. Responsibilities: • Prepare, proofread, and finalize pleadings, correspondence, and other legal documents for filing and distribution. • Maintain accurate case calendars and monitor litigation deadlines to help ensure timely filings and responses. • Research court rules, procedural requirements, and filing timelines using available legal and court resources. • Communicate with courts and related offices regarding filing status, scheduling matters, and case updates. • Coordinate depositions by arranging dates, confirming participants, and managing supporting logistics. • Provide day-to-day legal and administrative assistance for multiple attorneys across several practice areas. • Support document handling and case organization through systems such as iManage, SurePoint, Microsoft Office, and Adobe Acrobat. • Assist with additional office and case support tasks such as file intake, matter opening, invoice entry, time entry, and reimbursement processing when needed.
2026-05-04T00:00:00Z

Entry Level HR Assistant

Los Angeles, CA
onsite
Temporary / Contract
20 - 25 USD / Hourly
Job Description: Entry-Level HR Assistant / HR Data Entry Coordinator<ul><li>Support the HR team with accurate data entry and maintenance of employee records</li><li>Enter, update, and audit employee information in HR systems, including Workday</li><li>Assist with onboarding documentation and employee file management</li><li>Maintain confidentiality of sensitive employee and company information</li><li>Review HR data for accuracy and resolve discrepancies in a timely manner</li><li>Support benefits administration and other HR administrative processes</li><li>Help track and process new hires, terminations, transfers, and status changes in Workday</li><li>Assist with employee onboarding and general HRIS updates</li><li>Generate basic HR reports and support recordkeeping needs</li><li>Provide administrative support to the HR team with day-to-day tasks</li><li>Communicate professionally with employees and internal stakeholders regarding HR documentation</li><li>Ensure compliance with company policies and HR procedures</li></ul>Preferred Qualifications<ul><li>Entry-level HR experience, internship, or administrative support experience in an HR environment</li><li>Experience with data entry and maintaining accurate records</li><li>Familiarity with Workday and HRIS systems</li><li>Strong attention to detail and organizational skills</li><li>Ability to handle confidential information with discretion</li><li>Proficiency in Microsoft Office, especially Excel and Outlook</li><li>Strong written and verbal communication skills</li><li>Ability to multitask and work in a fast-paced environment</li></ul>
2026-05-15T00:00:00Z

Legal Practice Assistant

Irvine, CA
onsite
Temporary to Hire
31.6635 - 36.663 USD / Hourly
We are looking for an experienced Legal Practice Assistant to support a busy Commercial Litigation team in Irvine, California. This contract opportunity is ideal for a meticulous legal assistant who thrives in a fast-paced law firm setting and can manage litigation support with precision. The role will partner closely with attorneys on civil and commercial litigation matters, helping keep filings, calendars, and case materials organized and compliant. Candidates who are comfortable with court procedures, document preparation, and deadline-driven work will be well positioned for success. Responsibilities: • Prepare, revise, and proofread litigation documents to ensure proper formatting, consistency, and compliance with court and firm standards. • Coordinate state and federal court filing activities, including electronic submissions and related procedural support for active matters. • Maintain attorney calendars by tracking hearings, filing deadlines, and case milestones using calendaring tools such as Compulaw. • Research court-specific requirements and local rules to support accurate filings and timely case management. • Provide day-to-day practice support for a team of attorneys, helping manage workflow across an attorney group. • Organize case materials, exhibits, and supporting documents in electronic formats, including compiling, combining, and managing PDF files. • Assist with litigation preparation by assembling binders, case documentation, and other materials needed for hearings, depositions, and trial readiness. • Support discovery-related work by helping prepare, organize, and track draft responses and related case documents.
2026-05-12T00:00:00Z

Legal Practice Assistant

Irvine, CA
onsite
Temporary / Contract
35 - 62 USD / Hourly
Our client, a reputable and growing law firm in South Orange County, is seeking an experienced Legal Practice Assistant / Legal Secretary (4–9 years) to support a busy team of litigation and corporate attorneys. This role requires a highly organized, detail-oriented detail oriented who can manage complex litigation support while also assisting with corporate transactional workflows. The ideal candidate thrives in a fast-paced, deadline-driven environment and can work both independently and collaboratively in a hybrid setting. Key Responsibilities Litigation Support (Primary Focus) Provide full litigation support from case inception through trial, including: Drafting, formatting, and proofreading: Pleadings, motions, discovery, and correspondence Preparing TOCs/TOAs (Table of Contents / Table of Authorities) Manage e-filing in: California state courts (mandatory) Federal courts (CM/ECF preferred) Calendar and track: Court deadlines, hearings, depositions, and trial dates Litigation deadlines using docketing systems and court rules Prepare and organize: Hearing binders, trial binders, and exhibits Deposition notices, subpoenas, and deposition summaries Coordinate with: Courts, opposing counsel, court reporters, and vendors Corporate / Transactional Support (Preferred) Assist attorneys with corporate transactional matters, including: Preparing and revising agreements (NDAs, engagement letters, basic contracts) Proofreading and formatting corporate documents Maintain corporate records and assist with: Entity formations and filings (Secretary of State experience preferred) Corporate minute books and governance documents Support closing processes: Signature page tracking Compilation of closing binders Administrative & Attorney Support Manage complex attorney calendars, including: Scheduling meetings, deadlines, and travel Coordinate internal and external communications with clients Prepare and submit time entries, billing edits, and expense reports Open new matters and maintain client files (electronic and physical) Assist with conflict checks and engagement documentation Handle general administrative tasks, including document management and file organization
2026-05-09T00:00:00Z