Administrative Assistant – Divisional & Corporate Support

About Tidewater:
Tidewater, Inc. is a full-service environmental, construction, and facilities firm serving Federal, State, and commercial clients across the United States and abroad. Our success is built on collaboration, quality, and integrity — and we’re looking for an organized, proactive team player to join our San Diego office.

Position Overview:

Key Responsibilities:

General & Corporate Support:

• Answer and direct phone calls and greet office visitors in a professional manner.

• Manage incoming and outgoing mail, FedEx/UPS shipments, and supply orders.

• Draft, edit, and process correspondence, reports, and internal documentation.

• Maintain organized digital and physical filing systems.

• Track and reconcile office-related expenses and vendor invoices.

• Support company communications, meetings, and scheduling as needed.

• Ensure office equipment and supplies are maintained and functioning properly.

Construction Support:

• Assist Project Managers and Field Superintendents with document control, data entry, and submittal tracking.

• Help prepare RFIs, purchase orders, and subcontractor correspondence.

• Maintain project binders, logs, and shared drive organization.

• Track timesheets, safety certifications, and field employee documentation.

• Assist with onboarding paperwork for new project staff.

• Coordinate deliveries, equipment rentals, and jobsite supply orders when needed.

Qualifications:

• 2+ years of experience in an administrative, office coordinator, or project assistant role (construction experience preferred).

• Proficiency in Microsoft Office (Word, Excel, Outlook, Teams); experience with ADP Workforce Now or SharePoint a plus.

• Excellent communication, organization, and time-management skills.

• Ability to multitask and adapt between corporate and field-related priorities.

• Professional demeanor and commitment to confidentiality.

• High school diploma or equivalent required; associate degree preferred.