Results for Project Assistantcoordinator Jobs in Fairfield, CA

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Project Assistant

Martinez, CA
onsite
Temporary to Hire
27 - 30 USD / Hourly
We are looking for a Project Assistant to support construction operations in Martinez, California through accurate coordination, documentation, and administrative oversight. This is a temporary to hire position and works closely with project management and field teams to provide administrative, project, and cost accounting support to throughout the construction process. This role partners closely with field personnel, project managers, accounting, and clients to ensure accurate project tracking, billing, documentation, and personnel records. Project Assistant Key Responsibilities: Project Accounting & Billing-<ul><li>Audit labor hours across internal and client systems to ensure accuracy.</li><li>Track and allocate labor, equipment, materials, and project-related costs.</li><li>Generate invoices and support project billing processes.</li><li>Process updates related to new hires, labor rates, and employee classifications.</li><li>Reconcile project records and assist with customer payment tracking.</li></ul>Personnel Administration-<ul><li>Process onboarding and site access requests for new personnel.</li><li>Maintain employee records, certifications, and organizational charts.</li><li>Prepare manpower and staffing reports as needed.</li></ul>Project & Site Support-<ul><li>Maintain project documentation, packing slips, invoices, and records.</li><li>Support project tracking, reporting, and document control activities.</li><li>Manage office supply inventory and assist with general site administration.</li><li>Provide administrative support to both field and office teams.</li></ul>Qualifications:<ul><li>Strong organizational, multitasking, and follow-up skills.</li><li>Excellent attention to detail and accuracy.</li><li>Effective written and verbal communication skills.</li><li>Ability to work independently and meet deadlines in a fast-paced environment.</li><li>Customer-focused, collaborative, and team-oriented mindset.</li><li>Experience in construction administration, project coordination, billing, payroll, accounting support, or document control is preferred.</li></ul>If you are interested in this Project Assistant role, please apply today to be considered!
2026-10-16T00:00:00Z

Project Assistant

South San Francisco, CA
onsite
Temporary to Hire
26.6 - 30.8 USD / Hourly
Are you organized, detail-oriented, and looking for an opportunity to build a career in construction estimating? Robert Half is partnering with Pribuss Engineering, a respected engineering and construction organization in South San Francisco, to identify an Estimating Coordinator to join their team.This is an excellent opportunity for someone who enjoys working with numbers, documents, vendors, and project details — and wants to learn the ins and outs of plumbing estimating and commercial construction from experienced professionals. What You'll DoAs an Estimating Coordinator, you'll provide critical administrative and organizational support to the Plumbing Estimating team while developing hands-on knowledge of construction estimating. Responsibilities will include:<ul><li>Support the Plumbing Estimating Department with day-to-day administrative and organizational needs.</li><li>Organize, review, and maintain construction plans, specifications, bid documents, and estimating files.</li><li>Prepare and maintain estimating spreadsheets, material lists, quote logs, and bid documentation using Microsoft Excel and other estimating tools.</li><li>Request, collect, organize, and track quotes from vendors, suppliers, subcontractors, and other partners.</li><li>Assist with preparing bid packages, scope summaries, and supporting documentation for project estimates.</li><li>Learn to read construction plans and specifications and identify plumbing-related scope and requirements.</li><li>Assist with basic plumbing takeoffs and quantity counts using Bluebeam and other estimating software as your skills develop.</li><li>Maintain bid calendars, deadlines, quote logs, and other department tracking systems.</li><li>Communicate with vendors, suppliers, subcontractors, and internal team members to gather information and follow up on outstanding items.</li><li>Upload and organize project documentation using platforms such as Procore and BuildingConnected.</li><li>Provide data entry, document control, and general administrative support to ensure estimates are complete and accurate.</li><li>Develop knowledge of plumbing systems, construction methods, material costs, labor production, and the California Plumbing Code through hands-on training and mentorship.</li><li>Take on increasingly advanced estimating responsibilities as your knowledge and experience grow.</li></ul>
2026-10-15T00:00:00Z

Part-Time Workplace Coordinator

South San Francisco, CA
onsite
Temporary / Contract
25 - 30 USD / Hourly
Part-time schedule Monday, Tuesday & Thursday 8AM - 5PM Robert Half has an exciting opportunity with an innovative AI and data technology company. We seeking a polished, organized, and service-minded Workplace Coordinator to help create a welcoming, efficient, and engaging office environment. This is an exciting part-time opportunity for someone who enjoys being the go-to person in the workplace—keeping the office running smoothly, supporting employees and visitors, coordinating vendors, and making sure the day-to-day office experience is exceptional. What You’ll Do<ul><li>Serve as the friendly and professional face of the workplace, welcoming employees, candidates, clients, and visitors.</li><li>Manage day-to-day office operations and ensure the workplace is clean, organized, stocked, and ready for employees.</li><li>Coordinate office supplies, snacks, beverages, kitchen supplies, and other workplace necessities.</li><li>Monitor inventory and place orders as needed to maintain appropriate stock levels.</li><li>Coordinate with building management, maintenance teams, cleaning services, and other workplace vendors.</li><li>Receive and distribute packages, mail, and deliveries.</li><li>Help coordinate office lunches, catering, snacks, beverages, and employee events.</li><li>Assist with meeting room setup, office events, and special workplace projects.</li><li>Keep common areas, conference rooms, kitchens, and shared spaces organized and presentable.</li><li>Support employee requests and quickly resolve day-to-day workplace needs.</li><li>Maintain workplace calendars, vendor schedules, and other administrative records.</li><li>Assist with onboarding logistics, including preparing workspaces and coordinating supplies or equipment for new employees.</li><li>Identify opportunities to improve the employee experience and make the office more efficient.</li><li>Provide general administrative and operational support as needed.</li></ul>
2026-10-05T00:00:00Z

Administrative Coordinator

Moraga, CA
onsite
Temporary to Hire
26 - 30 USD / Hourly
We are looking for a PART-TIME (approximately 24-32 hours per week) Administrative Coordinator to support a boutique wealth management office while also overseeing the day-to-day coordination of vacation rental properties in Moraga, CA. This is a direct hire opportunity, ideal for someone who is highly organized, service-oriented, and comfortable balancing client-facing administrative work with property-related logistics. The role requires strong follow-through, effective communication, and the ability to keep multiple schedules, requests, and priorities moving efficiently. Administrative Coordinator Responsibilities:• Manage front-line administrative support for the office, including handling inbound calls, responding to routine inquiries, and maintaining a positive client experience.• Retrieve and organize account-related information and monitor the progress of wire activity, escalating questions or delays as needed.• Coordinate calendars, arrange appointments, and ensure meetings and client commitments are scheduled accurately and efficiently.• Serve as a point of contact for clients by providing timely updates, answering questions, and directing requests to the appropriate parties.• Oversee reservation activity for multiple vacation rental homes, including confirming bookings, tracking availability, and supporting a smooth guest experience.• Arrange turnover logistics for rental properties by scheduling cleaning services, maintenance visits, and move-in or move-out coordination.• Process or track rental-related payments and help ensure property operations remain organized and on schedule.• Maintain clear records, task lists, and administrative documentation to support both office operations and rental property coordination. If you are interested in this Administrative Coordinator position, please submit your resume today to be considered!
2026-10-15T00:00:00Z

Office Assistant

Oakland, CA
onsite
Temporary / Contract
25 - 28 USD / Hourly
We are hiring an Office Assistant to provide administrative support and help ensure efficient day-to-day office operations.Responsibilities:<ul><li>Answer phones and greet visitors</li><li>Manage filing, data entry, and document preparation</li><li>Order office supplies and maintain common areas</li><li>Assist with scheduling meetings and calendar coordination</li><li>Support mail distribution and general office tasks</li><li>Provide administrative support to multiple departments</li></ul>
2026-10-17T00:00:00Z

Document Coordinator

Oakland, CA
onsite
Temporary / Contract
24 - 25 USD / Hourly
Document CoordinatorBrief Job DescriptionWe are hiring a Document Coordinator to manage document flow, ensure version control, and maintain accurate records across departments. This role is ideal for someone highly organized and detail-oriented.Responsibilities<ul><li>Organize, track, and maintain digital and paper documents</li><li>Ensure proper formatting, version control, and document accuracy</li><li>Route documents for review, approval, and filing</li><li>Support compliance with recordkeeping procedures</li><li>Assist with document retrieval and audit preparation</li><li>Maintain document logs and reporting as needed</li></ul>
2026-10-09T00:00:00Z

Part-Time Office Assistant

San Ramon, CA
onsite
Temporary / Contract
24 - 28 USD / Hourly
About Robert Half:Robert Half is a specialized talent solutions and staffing firm that connects skilled professionals with leading companies across a variety of industries. Our team partners with organizations throughout the Bay Area to support hiring needs in Administrative, Customer Service, Finance & Accounting, Human Resources, and other professional disciplines. This is not an active opening with a specific client at this time. We are proactively connecting with Office Assistants interested in upcoming temporary and temp-to-hire opportunities. By applying, you'll have the chance to be considered for future roles that match your skills and career goals. Robert Half client is seeking a reliable and detail-oriented Part-Time Office Assistant to support daily office operations and help keep the team organized and efficient. This is an ongoing opportunity ideal for a professional who thrives in a fast-paced environment and enjoys providing high-level administrative support.Key Responsibilities:<ul><li>Manage calendars, schedule meetings, and coordinate appointments</li><li>Answer and direct phone calls and emails professionally</li><li>Prepare correspondence, reports, and other documents</li><li>Maintain filing systems and accurate records</li><li>Order office supplies and support general office operations</li><li>Assist with data entry, expense reports, and invoice processing</li><li>Support internal teams with administrative projects and workflow coordination</li><li>Greet visitors and provide front-office support as needed</li></ul> If you are interested in this Office Assistant position, please submit your resume today to be considered!
2026-10-02T00:00:00Z

7 results for Project Assistantcoordinator in Fairfield, CA