Executive Assistant / Office Administrator (Harbor City)

Executive Assistant to CEO/ Office Administrator

DECOMA INDUSTRIES – Harbor City, CA
$25–$35/hour depending on experience
Part-Time | Tuesday & Thursday | 9:00 AM–5:00 PM
In Office

DECOMA INDUSTRIES is looking for a dependable, highly organized, computer-savvy Executive Assistant / Office Administrator to work directly with the President.

We are a busy general contractor managing multiple projects at once. Our office is generally relaxed, but things can move quickly and priorities can change throughout the day.

Main Responsibilities

• Manage the President’s Outlook inbox and keep email as close to inbox zero as possible
• Organize emails, folders, follow-ups, and important attachments
• Maintain organized company files in OneDrive
• Manage vendor invoices and bills in QuickBooks
• Track invoices, payments, and supporting documentation
• Prepare approximately 20–30 deposit slips per week and make bank deposits
• Assist with scheduling, follow-ups, and general office administration
• Help improve and automate office systems

What We’re Looking For

• Extremely organized, dependable, and detail-oriented
• Strong experience with Outlook, OneDrive, and QuickBooks
• Already comfortable using AI tools such as ChatGPT or Microsoft Copilot
• Interested in using AI and automation to improve office efficiency
• Comfortable creating Outlook rules, organizing email, and developing systems to automatically save important attachments into OneDrive.
• Strong general computer skills and ability to learn new software quickly
• Able to work independently and take initiative
• General understanding of construction or general contractor operations is a plus
• Reliable transportation
• Must live within approximately a 30-minute drive of our Harbor City office

We want someone who doesn’t just complete tasks, but looks for ways to organize, automate, and improve how the office operates.

Schedule: Tuesday and Thursday, 9:00 AM–5:00 PM.

This is an in-office position and is not remote. Check the website below

Feel free to send a personal message in place of a cover letter.

Pay: $25.00 - $35.00 per hour

Expected hours: 16.0 per week

Work Location: In person