Senior Onsite Project Coordinator

Ultimate Staffing Services; Poway (CA); On-site; USD 40,000 - 41,000; Full time

Job summary

Ultimate Staffing Services in Poway, CA is seeking an experienced Project Coordinator to provide high‑level administrative support and ensure efficient project management and coordination. This role requires a detail‑oriented, proactive professional able to handle multiple tasks.

Responsibilities include managing calendars, coordinating project setup, documentation, reporting, and acting as a liaison between customers, staff, vendors, field teams, and management.

Qualifications

• 5+ years of administrative, project coordination, or related experience.
• Strong organizational, time-management, and multitasking skills.
• Excellent written and verbal communication abilities.
• Experience managing complex calendars and competing priorities.
• Professional judgment, discretion, and integrity with confidential information.
• Proficiency in Microsoft Office and ability to learn new software.
• ServiceTitan experience preferred.
• Experience in construction, service, manufacturing, or trades industries is a plus.

Responsibilities

• Provide administrative and project coordination support to leadership and management.
• Manage calendars, meetings, scheduling, and project timelines.
• Coordinate project setup, documentation, reporting, and workflow processes.
• Prepare and maintain project files, records, correspondence, and reports.
• Serve as a liaison between customers, office staff, vendors, field teams, and management.
• Track project milestones and follow up on action items.
• Assist with purchasing, material orders, proposals, and operational reporting.
• Utilize company software, including ServiceTitan and Microsoft Office.
• Identify process improvements and maintain confidentiality of sensitive information.
• Perform additional administrative and project support duties as needed.

Skills

Organizational skills

Time management

Multitasking

Tools

ServiceTitan

Outlook

Excel

Word

Job description

Ultimate Staffing Services in Poway, CA is seeking an experienced Project Coordinator to provide high‑level administrative support and ensure efficient project management and coordination. This role requires a detail‑oriented, proactive professional able to handle multiple tasks.

Responsibilities include managing calendars, coordinating project setup, documentation, reporting, and acting as a liaison between customers, staff, vendors, field teams, and management.