Find & Apply For Office / Administrative Assistant Jobs in Fallbrook, California

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.

What You'll Do:

Provide administrative support to managers, project teams, and field personnel.

Coordinate calendars, meetings, appointments, and project-related schedules.

Prepare, format, and maintain reports, correspondence, and project documentation.

Organize work orders, service records, contracts, and vendor paperwork.

Enter purchase orders, invoice details, and job information into company systems.

Communicate with vendors and subcontractors regarding paperwork and scheduling.

Track outstanding documents, approvals, and upcoming deadlines.

Assist with expense reports, invoice routing, and basic purchasing coordination.

Maintain electronic filing systems and ensure records are current.

Help identify administrative bottlenecks and improve office organization.