A growing construction and development firm in Oceanside is seeking a proactive and energetic Administrative Assistant to support project managers and office leadership. This role is ideal for someone who thrives in a fast-paced environment where organization and communication drive success. You’ll play a key role in keeping projects moving forward, ensuring documentation is accurate, and supporting both field and office operations. Core Responsibilities<ul><li>Coordinate project documentation and maintain organized job files</li><li>Assist with scheduling meetings, site visits, and subcontractor coordination</li><li>Prepare proposals, contracts, and change order documentation</li><li>Track project timelines and assist with status reporting</li><li>Communicate with vendors, subcontractors, and internal teams</li><li>Maintain office supplies and coordinate administrative logistics</li><li>Support accounting with invoice tracking and document collection</li></ul>

<ul><li>2+ years of administrative or project support experience</li><li>Strong organizational and time-management skills</li><li>Proficiency in Microsoft Office and document management systems</li><li>Ability to communicate professionally with multiple stakeholders</li><li>Comfortable working in a deadline-driven environment</li><li>Construction or project-based experience preferred</li></ul>

<h3 class="rh-display-3--rich-text">TalentMatch®</h3> Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s <a href="https://www.roberthalf.com/us/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/us/en/privacy">Privacy Notice</a>.

Oceanside, CA
onsite
Temporary
23.00 - 25.00 USD / Hourly
A growing construction and development firm in Oceanside is seeking a proactive and energetic Administrative Assistant to support project managers and office leadership. This role is ideal for someone who thrives in a fast-paced environment where organization and communication drive success. You’ll play a key role in keeping projects moving forward, ensuring documentation is accurate, and supporting both field and office operations. Core Responsibilities<ul><li>Coordinate project documentation and maintain organized job files</li><li>Assist with scheduling meetings, site visits, and subcontractor coordination</li><li>Prepare proposals, contracts, and change order documentation</li><li>Track project timelines and assist with status reporting</li><li>Communicate with vendors, subcontractors, and internal teams</li><li>Maintain office supplies and coordinate administrative logistics</li><li>Support accounting with invoice tracking and document collection</li></ul>
2026-02-16T18:43:57Z