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33 results for Office Assistant in Riverside, CA
- Long Beach, CA
- onsite
- Temporary / Contract
- 28.5 - 33 USD / Hourly
- <p>We are looking for an organized and resourceful Operations Manager to support daily operations for a Non-Profit based in Long Beach, California. This role combines office administration, front-desk coordination, vendor oversight, and financial support in a fast-paced environment. The ideal candidate will help keep workplace processes efficient, ensure supplies and services are well managed, and contribute to event coordination and onboarding activities.</p><p><br></p><p>Responsibilities:</p><p>• Oversee day-to-day administrative operations to keep the office running smoothly and efficiently.</p><p>• Coordinate purchasing activities for office materials and monitor inventory levels to prevent shortages.</p><p>• Serve as a primary front-desk point of contact by greeting visitors, answering inquiries, and directing communications appropriately.</p><p>• Process accounts payable tasks, including reviewing invoices, coordinating approvals, and supporting timely payments.</p><p>• Build and maintain productive relationships with external vendors, service providers, and office partners.</p><p>• Support commercial property-related administrative needs by helping coordinate facility matters and service requests.</p><p>• Assist with nonprofit and fund accounting support activities in alignment with organizational procedures.</p><p>• Organize community-facing and internal events by managing logistics, schedules, and vendor coordination.</p><p>• Facilitate onboarding activities for new hires, including preparing materials and coordinating office readiness.</p>
- 2026-11-12T00:00:00Z
- Fullerton, CA
- onsite
- Temporary to Hire
- 7000 - 75000 USD / Yearly
- We are looking for an experienced and organized Office Manager to support daily operations and deliver an exceptional client experience. This contract-to-permanent opportunity is ideal for someone who enjoys working directly with clients, keeping office activity on track, and contributing to a service-focused environment. The position offers the chance to play a central role in administrative coordination while helping the team maintain efficient, responsive service.<br><br>Responsibilities:<br>• Serve as a primary point of contact for clients by managing calls, messages, and in-person interactions with professionalism and care.<br>• Arrange appointments, consultations, and intake meetings while keeping calendars accurate and organized.<br>• Assemble, review, and maintain client files to confirm required paperwork is collected before scheduled meetings.<br>• Respond to routine client questions and direct more specialized matters to the appropriate team member.<br>• Oversee incoming mail, email traffic, and general office communications to support smooth day-to-day operations.<br>• Keep client information current within internal systems and maintain accurate administrative records.<br>• Guide new clients through the intake process and help create a seamless onboarding experience.<br>• Provide administrative support to tax and accounting staff, including document coordination and workflow follow-through.<br>• Track office inventory, place supply orders, and coordinate with vendors to maintain a well-run workspace.<br>• Recommend and implement practical improvements that increase efficiency, organization, and service quality.
- 2026-10-23T00:00:00Z
- San Clemente,, CA
- onsite
- Temporary / Contract
- 26.6 - 30.8 USD / Hourly
- We are looking for an organized and proactive Office Manager to support daily operations for a large residential community in San Clemente, California. This Contract position will play a key role in coordinating administrative functions, property support activities, vendor relationships, and resident service needs while helping maintain a high standard across shared spaces and facilities. The ideal candidate is comfortable balancing office management duties with project tracking, communication, and customer service in a fast-paced environment.<br><br>Responsibilities:<br>• Coordinate daily office and community support operations to help maintain shared amenities, parks, and common areas in line with established expectations.<br>• Manage relationships with outside vendors, contractors, and service partners by monitoring performance, confirming service quality, and supporting contract adherence.<br>• Collect pricing, evaluate proposals, and assist with service agreement administration, including support for bid requests and contract documentation.<br>• Track maintenance activities, reserve projects, and improvement initiatives, helping ensure timelines, updates, and related records remain current.<br>• Perform routine site reviews and walkthroughs to identify maintenance concerns, follow up on action items, and support overall community appearance.<br>• Oversee work order flow and resident service requests, coordinating timely responses and helping drive issue resolution.<br>• Prepare operational reports, budget-related materials, cost comparisons, and meeting documentation for leadership and Board review.<br>• Share updates with residents, management, and Board members regarding ongoing projects, service matters, and community information.<br>• Provide administrative support for community meetings and events while handling front office tasks such as reception coverage, office supply management, and basic accounts payable support.
- 2026-11-12T00:00:00Z
- Pasadena, CA
- onsite
- Temporary / Contract
- 23 - 25 USD / Hourly
- <p>We currently have excellent ongoing opportunities for highly skilled and motivated Office Managers to lead operations at a growing company. Are you a deeply passionate self-starter who is looking to grow their career? Then we have a position for you. Please email your resume and call 626.463.2031 for immediate consideration.</p><p>How you will make an impact</p><p>· Leading overall office administration</p><p>· Handling copy services, word processing, mail and distribution services, office reception, office equipment, utility services and communication systems</p><p>· Evaluating and improving office production</p><p>· Assisting in developing and revising office policies and procedure for improved work flow</p><p>· Assisting the Operations Manager and Director in monitoring budget for office related items and staff</p><p><br></p>
- 2026-11-04T00:00:00Z
- Pasadena, CA
- onsite
- Temporary / Contract
- 23 - 25 USD / Hourly
- <p>Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)</p><p>We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you. Please email your resume and call 626.463.2031 for immediate consideration.</p><p>· Answer phones and greet visitors</p><p>· Schedule appointments and maintain calendars</p><p>· Schedule and coordinate staff and other meetings</p><p>· Collate and distribute mail</p><p>· Prepare communications, such as memos, emails, invoices, reports and other correspondence</p><p>· Write and edit documents from letters to reports and instructional documents</p><p>· Create and maintain filing systems, both electronic and physical</p><p><br></p><p>If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now</p>
- 2026-11-04T00:00:00Z
- Monrovia, CA
- onsite
- Temporary / Contract
- 22 - 23 USD / Hourly
- <p>Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)</p><p>We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you. Please email your resume and call 626.463.2031 for immediate consideration. </p><p>How you will make an impact</p><ul><li>Fielding telephone calls</li><li>Receiving and directing visitors</li><li>Word processing, filing and faxing</li><li>Support on diverse projects for other employees as needed</li></ul><p><br></p><p>If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now </p>
- 2026-11-04T00:00:00Z
- Diamond Bar, CA
- remote
- Temporary / Contract
- 22 - 24 USD / Hourly
- We are looking for an experienced Administrative Assistant to support daily operations for a manufacturing organization in California. This Long-term Contract position is ideal for someone who brings strong coordination skills, clear communication, and an experienced approach to managing schedules, meetings, and office support tasks. The successful candidate will help keep administrative activities organized, provide reliable day-to-day assistance, and contribute to a focused and efficient work environment.<br><br>Responsibilities:<br>• Coordinate calendars, schedule appointments, and manage meeting logistics to ensure leaders and teams stay organized.<br>• Prepare for meetings by arranging agendas, organizing materials, and confirming timing, attendees, and virtual or onsite details.<br>• Record key discussion points during meetings and distribute accurate, timely summaries and action items.<br>• Handle travel planning and event support, including reservations, itineraries, and coordination with internal and external participants.<br>• Perform basic research and gather information needed to support projects, meetings, and administrative requests.<br>• Provide phone and email support by responding to inquiries and directing messages to the appropriate contacts.<br>• Maintain administrative records, enter data accurately, and help keep documentation current and accessible.<br>• Act as a proactive point of communication by following up on tasks, sharing updates, and anticipating administrative needs.
- 2026-10-29T00:00:00Z
- Fallbrook, CA
- onsite
- Temporary / Contract
- 22 - 26 USD / Hourly
- <p>A busy field services company is looking for a resourceful Administrative Assistant to support office operations and coordinate the paperwork behind its day-to-day projects. This role offers variety, from managing schedules and organizing project files to communicating with vendors and helping field personnel stay on top of deadlines. The ideal candidate is proactive, organized, and comfortable balancing several priorities at once.</p><p><strong>What You’ll Do:</strong></p><ul><li>Provide administrative support to managers, project teams, and field personnel.</li><li>Coordinate calendars, meetings, appointments, and project-related schedules.</li><li>Prepare, format, and maintain reports, correspondence, and project documentation.</li><li>Organize work orders, service records, contracts, and vendor paperwork.</li><li>Enter purchase orders, invoice details, and job information into company systems.</li><li>Communicate with vendors and subcontractors regarding paperwork and scheduling.</li><li>Track outstanding documents, approvals, and upcoming deadlines.</li><li>Assist with expense reports, invoice routing, and basic purchasing coordination.</li><li>Maintain electronic filing systems and ensure records are current.</li><li>Help identify administrative bottlenecks and improve office organization.</li></ul>
- 2026-11-02T00:00:00Z
- Anaheim, CA
- onsite
- Temporary / Contract
- 25.65 - 29.7 USD / Hourly
- We are looking for an Administrative Assistant to join a construction and contractor organization in Anaheim, California on a Long-term Contract basis. This position supports daily office operations by managing incoming calls, assisting the service team, and helping maintain a responsive front office during peak seasonal demand. The role is well suited for someone who enjoys a fast-paced environment, communicates effectively, and can adapt to a variety of administrative needs across the office.<br><br>Responsibilities:<br>• Manage a high volume of inbound phone calls, especially during busy seasonal periods, and direct inquiries to the appropriate team members.<br>• Provide front desk and reception coverage when regular reception staff are unavailable due to absence or scheduled time off.<br>• Deliver courteous and attentive service to commercial clients while maintaining a positive first impression for the organization.<br>• Assist the service department with clerical and administrative tasks that help keep daily operations running smoothly.<br>• Work closely with the service team to gain familiarity with departmental workflows, procedures, and support needs.<br>• Cross-train with service coordinators so coverage can be provided when other team members are away from the office.<br>• Complete general office support activities such as data entry, document handling, and other administrative assignments between calls.<br>• Collaborate with multiple departments to ensure timely communication and consistent administrative support throughout the office.
- 2026-11-12T00:00:00Z
- Alhambra, CA
- onsite
- Temporary / Contract
- 23 - 25 USD / Hourly
- <p>Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)</p><p>We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you. Please email your resume and call 626.463.2031 for immediate consideration.</p><p>· Answer phones and greet visitors</p><p>· Schedule appointments and maintain calendars</p><p>· Schedule and coordinate staff and other meetings</p><p>· Collate and distribute mail</p><p>· Prepare communications, such as memos, emails, invoices, reports and other correspondence</p><p>· Write and edit documents from letters to reports and instructional documents</p><p>· Create and maintain filing systems, both electronic and physical</p><p><br></p><p>If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now</p>
- 2026-11-04T00:00:00Z
- Costa Mesa, CA
- onsite
- Temporary / Contract
- 45.6 - 52.8 USD / Hourly
- We are looking for an experienced Executive Assistant to support senior leadership in a high-visibility contract position based onsite in Costa Mesa, California. This five-week assignment requires someone who can manage schedules, coordinate meetings and travel, and communicate effectively in both written and verbal interactions. The ideal candidate is organized, discreet, and confident handling day-to-day executive support in a fast-paced office environment.<br><br>Responsibilities:<br>• Manage complex calendars for executive leadership, including scheduling internal and external meetings and adjusting priorities as needs change.<br>• Coordinate travel logistics such as itineraries, bookings, and related arrangements to ensure smooth executive travel plans.<br>• Prepare for meetings by organizing agendas, tracking schedules, and attending sessions to capture key details and support follow-up actions.<br>• Draft clear handwritten and written correspondence for clients, business contacts, and personal outreach on behalf of executives.<br>• Serve as a dependable onsite partner by handling daily administrative needs with strong judgment and attention to presentation.<br>• Use Microsoft Office and Zoom to create documents, manage communications, and support virtual and in-person meetings effectively.
- 2026-11-13T00:00:00Z
- Pasadena, CA
- onsite
- Temporary / Contract
- 28 - 30 USD / Hourly
- <p>Robert Half has upcoming opportunities for experienced Executive Assistants. The executive assistant will report directly to and support director level, vice-presidents, and C-level executives. Please submit your resume and call 626.463.2031 to schedule your interview. Responsibilities may include:</p><p>· Providing administrative assistance, such as writing and editing e-mails, drafting memos, and preparing communications on the executive’s behalf</p><p>· Maintaining comprehensive and accurate records </p><p>· Performing minor accounting duties </p><p>· Organizing meetings, including scheduling, sending reminders, and organizing catering when necessary</p><p>· Answering phone calls in a polite and professional manner</p><p>· Welcoming visitors and identifying the purpose of their visit before directing them to the appropriate department</p><p>· Managing the executive’s calendar, including making appointments and prioritizing the most sensitive matters</p><p><br></p>
- 2026-11-04T00:00:00Z
- Azusa, CA
- onsite
- Temporary to Hire
- 32 - 44 USD / Hourly
- We are looking for an Executive Assistant to support operational leadership within a mission-driven non-profit organization in California. This contract-to-permanent position is ideal for a highly organized individual who can manage executive-level coordination, maintain momentum on priority projects, and handle sensitive information with discretion. The role requires strong judgment, effective communication, and the ability to keep meetings, reporting, travel, and administrative workflows running smoothly across multiple stakeholders.<br><br>Responsibilities:<br>• Manage high-level administrative support for operations leadership, ensuring daily activities, priorities, and deliverables are organized and executed efficiently.<br>• Track assigned initiatives and action items for Operations managers, providing regular status updates and helping keep short- and long-term projects on schedule.<br>• Coordinate calendars, meetings, interviews, and appointments, while preparing agendas, documenting discussions, and distributing meeting materials and notes promptly.<br>• Serve as a key administrative link between Operations and internal departments, helping streamline communication and maintain alignment across teams and leadership groups.<br>• Prepare, revise, and format correspondence, reports, spreadsheets, presentations, and other business documents on behalf of executive and senior leaders.<br>• Maintain secure electronic and manual records, safeguarding confidential files and ensuring information is accurate, accessible, and well organized.<br>• Compile data, research findings, and statistical information for operational reporting, committee work, clinical discussions, and board or advisory meeting materials.<br>• Arrange travel, conference registration, lodging, and related logistics for leaders, staff, and occasional guests, while supporting event coordination as assigned.<br>• Monitor department-related expenses, assist with budget tracking, reconcile administrative card activity, and help obtain approvals for purchases and expenditures.<br>• Order office supplies, furnishings, and equipment, while supporting vendor coordination, pricing review, and contract-related administrative tasks.
- 2026-11-11T00:00:00Z
- Alhambra, CA
- onsite
- Temporary / Contract
- 28 - 30 USD / Hourly
- <p>Robert Half has upcoming opportunities for experienced Executive Assistants. The executive assistant will report directly to and support director level, vice-presidents, and C-level executives. Please submit your resume and call 626.463.2031 to schedule your interview. Responsibilities may include:</p><p>· Providing administrative assistance, such as writing and editing e-mails, drafting memos, and preparing communications on the executive’s behalf</p><p>· Maintaining comprehensive and accurate records </p><p>· Performing minor accounting duties </p><p>· Organizing meetings, including scheduling, sending reminders, and organizing catering when necessary</p><p>· Answering phone calls in a polite and professional manner</p><p>· Welcoming visitors and identifying the purpose of their visit before directing them to the appropriate department</p><p>· Managing the executive’s calendar, including making appointments and prioritizing the most sensitive matters</p><p><br></p>
- 2026-11-04T00:00:00Z
- Santa Ana, CA
- onsite
- Permanent / Full Time
- 70000 - 90000 USD / Yearly
- We are looking for an organized Legal Assistant to support a busy civil litigation practice in California. This role is ideal for someone who thrives in a fast-paced law firm environment, manages multiple priorities with care, and produces high-quality work with minimal supervision. You will work closely with attorneys on litigation support, document preparation, filing coordination, and day-to-day administrative needs while contributing to a collaborative office culture.<br><br>Responsibilities:<br>• Support a group of attorneys with a broad range of litigation-related administrative and document tasks in a high-volume practice.<br>• Coordinate and submit court filings in state courts and assist with federal filings when needed, ensuring accuracy and timeliness.<br>• Prepare legal documents and assemble tables of authorities, tables of contents, correspondence, and other case materials for attorney review.<br>• Maintain attorney schedules by tracking deadlines, appointments, and key case-related commitments while helping keep priorities organized.<br>• Process expense reports and related administrative items for assigned attorneys using internal systems and firm procedures.<br>• Manage document handling and file organization within the firm’s document management platform and other office technologies.<br>• Provide general litigation support by assisting with client communications, formatting documents, and maintaining organized records.<br>• Contribute to smooth daily office operations while adapting to workload changes across multiple attorney desks.
- 2026-11-06T00:00:00Z
- Irvine, CA
- onsite
- Permanent / Full Time
- 70000 - 100000 USD / Yearly
- <p><strong>Looking to join a modern, growing litigation firm where your career can continue to evolve?</strong></p><p><br></p><p>Our client, a <strong>tech-forward civil litigation firm in Irvine</strong>, is seeking a <strong>Legal Assistant with 3+ years of litigation experience</strong> to join its collaborative team. This is an excellent opportunity for someone who enjoys working in a fast-paced environment, values mentorship, and wants to be part of a firm that embraces technology and continuous improvement.</p><p>This position offers the chance to work closely with experienced attorneys while receiving ongoing training and professional development in a supportive team environment.</p><p><br></p><p>What You'll Do</p><ul><li>Support attorneys throughout all phases of civil litigation</li><li>Prepare, revise, and proofread legal documents and correspondence</li><li>Manage attorney calendars, deadlines, and court filings</li><li>Coordinate depositions, mediations, and hearings</li><li>Prepare discovery, pleadings, and trial-related documents</li><li>Communicate with clients, opposing counsel, and court personnel</li><li>Maintain electronic files and utilize the firm's technology-driven systems</li></ul><p>What They're Looking For</p><ul><li>3+ years of civil litigation legal assistant experience</li><li>Experience with California state court filings (federal experience is a plus)</li><li>Strong organizational and time management skills</li><li>Excellent written and verbal communication</li><li>Ability to prioritize multiple deadlines in a fast-paced practice</li><li>Positive attitude with a desire to learn and grow</li></ul><p>Why This Firm?</p><ul><li>Growing civil litigation practice with long-term stability</li><li>Tech-forward environment utilizing modern legal technology</li><li>Direct mentorship from experienced attorneys and leadership</li><li>Ongoing training and career development</li><li>Collaborative, team-oriented culture</li><li>Opportunity to make a meaningful impact as the firm continues to expand</li></ul><p>Schedule</p><ul><li><strong>Onsite daily – Irvine</strong></li></ul><p>If you're looking for a firm that values professional development, embraces innovation, and offers long-term growth, I'd love to connect.</p><p><strong>Please send your resume to Quidana.Dove<at>RobertHalf.<com> for a confidential discussion.</strong></p>
- 2026-10-16T00:00:00Z
- Irvine, CA
- onsite
- Permanent / Full Time
- 90000 - 110000 USD / Yearly
- <p>If you're a seasoned Litigation Legal Assistant looking for a firm where people build careers—not just jobs—this opportunity deserves your attention.</p><p>Our client is a highly respected Orange County litigation firm with a thriving commercial and employment practice, a strong reputation in the legal community, and a track record of retaining top talent. As the firm continues to grow, they are seeking an experienced Legal Assistant to join their collaborative team.</p><p><br></p><p>The firm continues to experience steady growth and is seeking an experienced Legal Assistant to support a busy team of attorneys handling sophisticated litigation matters in state and federal courts.</p><p>This is an excellent opportunity to join a collaborative, professional environment that offers long-term career stability, challenging work, and a supportive team culture.</p><p>Responsibilities</p><ul><li>Support attorneys handling commercial and employment litigation matters</li><li>Prepare, revise, and proofread pleadings, motions, discovery, and correspondence</li><li>E-file documents in California State and Federal Courts</li><li>Maintain attorney calendars and track litigation deadlines</li><li>Coordinate depositions, mediations, hearings, and client meetings</li><li>Prepare TOAs, TOCs, exhibits, and litigation binders</li><li>Manage case files and document organization</li><li>Assist with trial preparation and related litigation support</li></ul><p>Qualifications</p><ul><li>7+ years of litigation legal assistant experience</li><li>Strong experience with both California State and Federal Court procedures</li><li>Advanced e-filing experience in state and federal courts</li><li>Experience supporting commercial litigation, employment litigation, or other complex civil litigation matters</li><li>Proficiency with Microsoft Office Suite and litigation support software</li><li>Excellent organizational, communication, and multitasking skills</li><li>Ability to thrive in a fast-paced, deadline-driven environment</li></ul><p>Why Consider This Opportunity?</p><ul><li>Join a thriving and highly regarded Orange County litigation firm</li><li>Sophisticated commercial and employment litigation practice</li><li>Stable, growing firm with an excellent reputation in the legal community</li><li>Supportive attorneys and collaborative team environment</li><li>Meaningful work with direct exposure to complex litigation matters</li><li>Long-term career growth potential</li><li>Competitive compensation and comprehensive benefits package</li></ul><p>Benefits</p><ul><li>Medical, dental, and vision insurance</li><li>401(k) retirement plan</li><li>Paid vacation, sick time, and holidays</li><li>Professional development opportunities</li><li>Additional benefits to be discussed during the interview process</li></ul><p>If you're an experienced litigation legal assistant seeking a stable firm, sophisticated work, and a team-oriented culture, we'd love to connect with you.</p><p>Submit resumes to Vice President, Quidana Dove at Quidana.Dove<at>RobertHalf.<com></p>
- 2026-10-30T00:00:00Z
- Rialto, CA
- onsite
- Temporary / Contract
- 18.2115 - 23 USD / Hourly
- <p>We are looking for an Accounting Assistant to support accounts receivable operations for a manufacturing organization in San Bernardino, California. This is a Contract position expected to last approximately two months, with the potential to continue based on business needs. The person in this role will help keep customer account activity current, manage a steady flow of financial data, and provide dependable administrative support in a fast-paced office setting.</p><p><br></p><p>Responsibilities:</p><p>• Manage a group of customer accounts and keep receivable records accurate and up to date.</p><p>• Review incoming payment information, enter transactions efficiently, and maintain organized financial documentation.</p><p>• Follow up on outstanding balances through light collection activity on a regular weekly basis.</p><p>• Perform high-volume data entry with close attention to accuracy and timeliness.</p><p>• Assist with invoice coding and support day-to-day administrative tasks related to accounting operations.</p><p>• Use QuickBooks Desktop to process and track accounts receivable activity, with training available as needed.</p><p>• Apply basic Excel skills to enter, update, and verify accounting data and account details.</p>
- 2026-11-12T00:00:00Z
- Irvine, CA
- onsite
- Temporary / Contract
- 26.6 - 30.8 USD / Hourly
- We are looking for a detail-oriented Project Assistant to support construction operations in Irvine, California. This Long-term Contract position will focus on project accounting, subcontractor documentation, payroll coordination, and administrative support across active jobs. The ideal candidate brings strong construction industry experience and can keep financial records, compliance materials, and project paperwork organized in a fast-paced environment.<br><br>Responsibilities:<br>• Process a large volume of payables for construction projects while confirming billing details align with project documentation and approved costs.<br>• Examine vendor and subcontractor invoices, validate purchase orders and change-related charges, and apply accurate cost coding before submission.<br>• Partner with project teams to clear approval delays, research billing variances, and follow through on payment-related issues.<br>• Maintain subcontractor files by organizing agreements, insurance records, notices, lien documentation, and other required compliance materials.<br>• Track payment support items such as schedules of values, accrual data, invoices, and release documents to help ensure timely disbursements.<br>• Gather and review craft employee time records, confirm labor classifications and coding, and coordinate corrections with field leadership as needed.<br>• Support monthly financial close activities by preparing accrual information and ensuring accounting submissions are complete and on schedule.<br>• Keep project records current, including purchase orders, contract changes, correspondence, and files needed for audits, reporting, and closeout.<br>• Assist with final project administration by coordinating reconciliations, collecting outstanding documentation, and helping prepare final payment packages.
- 2026-11-11T00:00:00Z
- Costa Mesa, CA
- onsite
- Temporary to Hire
- 33.25 - 38.5 USD / Hourly
- We are looking for a detail-oriented Project Assistant to support a busy team in Costa Mesa, California within the defense manufacturing industry. This contract opportunity with permanent potential is well suited for someone who thrives in a fast-moving environment and enjoys keeping projects, schedules, and daily operations organized. The role will partner closely with stakeholders to coordinate administrative and project-related activities while adapting to evolving team priorities.<br><br>Responsibilities:<br>• Coordinate calendars, schedule meetings, and organize conference room arrangements to support daily team operations.<br>• Maintain project rosters, track updates, and keep records accurate and accessible for internal stakeholders.<br>• Assist with timeline management by monitoring deadlines, following up on action items, and helping teams stay on schedule.<br>• Provide administrative and project coordination support across multiple assignments in a fast-paced environment.<br>• Prepare, scan, organize, and distribute project documentation using Microsoft Office and internal business systems.<br>• Support scheduling and coordination activities related to project execution, including master schedule updates where needed.<br>• Communicate with team members and partners to ensure meetings, materials, and project logistics are aligned.<br>• Contribute to evolving processes and tools as the team grows and operational needs expand.
- 2026-11-12T00:00:00Z
- Irvine, CA
- onsite
- Temporary / Contract
- 25.3365 - 29.337 USD / Hourly
- We are looking for a detail-oriented Project Assistant to support construction project operations in Irvine, California. This Long-term Contract position focuses on project accounting, subcontractor documentation, payroll coordination, and administrative support across active jobs. The ideal candidate will bring strong construction industry experience and the ability to manage deadlines, financial records, and communication with internal teams, vendors, and subcontractors.<br><br>Responsibilities:<br>• Process a large volume of project-related payables by reviewing invoices and confirming alignment with contract terms, purchase orders, approved changes, and cost codes.<br>• Partner with project managers, engineers, vendors, and subcontractors to resolve billing issues, secure approvals, and keep payment activity on schedule.<br>• Maintain complete accounts payable files, monitor open items and vendor statements, and assist with reconciliations to support accurate financial records.<br>• Organize and update subcontractor documentation, including agreements, insurance records, change documentation, notices, and lien release materials required for payment.<br>• Track subcontractor billing details such as schedules of values, accrual information, invoices, and closeout paperwork while following compliance requirements.<br>• Collect and review craft employee time records, validate hours and job classifications, and coordinate with field leadership to address payroll discrepancies before submission.<br>• Support month-end financial activities by preparing subcontractor accrual information and coordinating with project and accounting teams for timely reporting.<br>• Maintain orderly project files for correspondence, purchase orders, subcontracts, change records, and audit support documentation.<br>• Assist with project closeout activities, including final payment coordination, reconciliations, required releases, and follow-up on outstanding items.<br>• Identify administrative or accounting inconsistencies and help improve processes that strengthen project documentation and reporting accuracy.
- 2026-11-12T00:00:00Z
- Santa Fe Springs, CA
- onsite
- Temporary to Hire
- 33 - 43 USD / Hourly
- We are looking for a Project Assistant to support scheduling coordination, service planning, and day-to-day operational alignment for field-based work in California. This contract opportunity with potential for a permanent role is ideal for someone who thrives in a fast-moving environment, enjoys balancing multiple priorities, and can keep teams informed and organized. The person in this role will help connect operational needs with technician availability, maintain accurate scheduling records, and contribute to efficient service delivery.<br><br>Responsibilities:<br>• Organize and adjust daily and long-range schedules for field personnel across multiple service areas to support customer commitments and operational priorities.<br>• Match technician availability with incoming work demand, including service visits, preventive maintenance, and project-related assignments.<br>• Update scheduling details, service records, and assignment changes within Salesforce and other tracking tools to keep information accurate and current.<br>• Communicate revised timelines, priority updates, and assignment changes to technicians, supervisors, and operations partners.<br>• Work closely with local leadership to help maintain appropriate coverage levels and address staffing gaps before they affect service delivery.<br>• Review schedule overlaps, resource constraints, and conflicting appointments, then recommend practical solutions to improve workflow.<br>• Monitor open service needs and contribute to planning activities that support workload balancing and resource forecasting.<br>• Prepare reports and maintain documentation related to scheduling activity, workload trends, and operational support efforts.<br>• Assist with process improvement efforts tied to workforce coordination, scheduling efficiency, and project support activities.
- 2026-11-06T00:00:00Z
- Irvine, CA
- onsite
- Temporary / Contract
- 31.35 - 36.3 USD / Hourly
- We are looking for a highly organized Senior Administrative Assistant to provide dedicated support to senior leadership in Irvine, California. This Long-term Contract position is ideal for a resourceful and detail-oriented individual who can manage competing priorities, protect executive time, and handle sensitive matters with sound judgment. The role requires strong coordination skills, effective communication, and the ability to keep projects, meetings, and travel arrangements running smoothly in a fast-paced environment.<br><br>Responsibilities:<br>• Oversee a complex executive calendar by aligning meetings, appointments, and business commitments according to priority, urgency, and overall impact on leadership objectives.<br>• Coordinate meeting logistics from planning through follow-up, including preparing agendas, gathering supporting materials, recording key discussion points, and distributing clear action items with owners and deadlines.<br>• Act as a central point of contact for internal and external stakeholders, ensuring requests are handled promptly, updates are communicated clearly, and issues are resolved with minimal disruption.<br>• Maintain organized and confidential records for corporate, legal, and operational documents, and retrieve materials quickly when needed for business or legal review.<br>• Partner with attorneys and related contacts by tracking document requests, monitoring legal deadlines, supplying required information, and reviewing invoices for accuracy before processing.<br>• Support assigned projects by documenting requirements, communicating with stakeholders, monitoring progress against timing and scope expectations, and preparing concise status updates for leadership.<br>• Prepare for executive meetings with investors, legal counsel, affiliates, and guests by arranging logistics, assembling presentation materials, and ensuring visitors have the information needed before arrival.<br>• Manage domestic and international travel plans, including air, hotel, ground transportation, and itinerary coordination, while adapting quickly to schedule changes.<br>• Provide additional administrative and personal support such as coordinating shipments, handling deliveries and pickups, organizing events, and arranging business or personal gifts as requested.
- 2026-11-13T00:00:00Z
- Pasadena, CA
- onsite
- Temporary / Contract
- 20 - 22 USD / Hourly
- <p>We currently have an opening for an articulate, skilled Receptionist. In this role, you will greet visitors, handle incoming calls and perform general administrative duties. Proficient Receptionists will also assist other administrative staff with overflow work, including word processing, data entry and Internet research tasks.</p><p><br></p><p>· Answer and direct phone calls in a polite and friendly manner</p><p>· Welcome visitors in a warm and friendly manner, and answer any questions visitors have</p><p>· Maintain reception area and all common areas in a clean and tidy manner at all times</p><p>· Operate standard office equipment on a regular basis, including a fax machine, a copy machine, and a computer</p><p>· Keep detailed and accurate records of visitor requests and of calls received</p><p>· Receive deliveries; sort and distribute incoming mail</p><p>· Take inventory of supplies and restock as needed</p><p>· Maintain the general office filing system</p>
- 2026-11-04T00:00:00Z
- Arcadia, CA
- onsite
- Temporary / Contract
- 20 - 22 USD / Hourly
- <p>We currently have an opening for an articulate, skilled Receptionist. In this role, you will greet visitors, handle incoming calls and perform general administrative duties. Proficient Receptionists will also assist other administrative staff with overflow work, including word processing, data entry and Internet research tasks.</p><p>Receptionists with 1 or more years of experience managing multi-line phone systems (15+ lines) looking for new opportunities should apply today. Excellent career opportunity for a career-minded Receptionist with a strong desire to succeed! This is opportunity is available exclusively through Robert Half. For immediate consideration email your resume and call 626.463.2031</p><p>· Answer and direct phone calls in a polite and friendly manner</p><p>· Welcome visitors in a warm and friendly manner, and answer any questions visitors have</p><p>· Maintain reception area and all common areas in a clean and tidy manner at all times</p><p>· Operate standard office equipment on a regular basis, including a fax machine, a copy machine, and a computer</p><p>· Keep detailed and accurate records of visitor requests and of calls received</p><p>· Receive deliveries; sort and distribute incoming mail</p><p>· Take inventory of supplies and restock as needed</p><p>· Maintain the general office filing system</p>
- 2026-11-04T00:00:00Z