Office Assistant: Customer-Facing, Organized & Efficient (9–2)

Operation Support Inc; Fontana (CA); On-site; USD 34,000 - 42,000; Full time

Job summary

ADP, Inc. is seeking an in-office Administrative Assistant in Fontana, CA. The role involves answering incoming calls, managing office supplies, and coordinating meals and events for internal teams and clients.

You will be responsible for organizing digital and physical files, with an emphasis on excellent communication and strong organizational skills. Proficiency in Excel, PowerPoint, and Teams is required, and familiarity with social media is a plus.

Qualifications

• Must have strong organization skills and attention to detail.
• Proficiency in Microsoft Office (Excel, PowerPoint, Teams) required.
• Customer-facing communication experience preferred.
• Familiarity with social media platforms is a plus.

Responsibilities

• Answer incoming calls on company phone.
• Maintain office supply inventory.
• Order and manage meals/events for internal team and clients.
• Digitally and physically organize company files; strong organization required.

Skills

Excellent communication

Organization skills

Social media familiarity

MS Office proficiency

Tools

Excel

PowerPoint

Teams

Job description

ADP, Inc. is seeking an in-office Administrative Assistant in Fontana, CA. The role involves answering incoming calls, managing office supplies, and coordinating meals and events for internal teams and clients.

You will be responsible for organizing digital and physical files, with an emphasis on excellent communication and strong organizational skills. Proficiency in Excel, PowerPoint, and Teams is required, and familiarity with social media is a plus.