Administrative Assistant Job at Addison Group in San Mateo

Administrative Assistant

Addison Group is working with a fast-paced and growing professional services organization in need of an Administrative Assistant for their Foster City office. This position is perfect for someone polished, proactive, and eager to take ownership of administrative operations in a dynamic, people-facing environment.

The Administrative Assistant will support senior leadership and client teams by ensuring smooth day-to-day functions, project logistics, and executive support. This role will play a key part in shaping the culture of the office and driving operational efficiency as the team continues to grow.

Key responsibilities include:

• Manage scheduling, travel coordination, and calendar management for executives
• Prepare meeting spaces and assist with internal and external meeting logistics
• Track and submit expense reports, invoices, and other administrative documentation
• Support project teams with meeting coordination, agenda prep, and follow-up
• Maintain a clean, organized, and welcoming office environment
• Collaborate with cross-functional teams across the U.S. and internationally
• Handle special projects and operational tasks as needed

Qualifications:

• 2-4+ years of administrative experience, preferably in a professional or client-facing environment
• High school diploma required; associate's or bachelor's degree preferred
• Proficiency in Microsoft Office (Outlook, Word, Excel, PowerPoint)
• Strong communication skills both written and verbal
• Confident, dependable, and detail-oriented with excellent time management
• Able to manage multiple priorities with professionalism and poise

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Reasonable accommodation is available for qualified individuals with disabilities, upon request.