Executive Assistant & Chief of Staff for 3 Companies

Medical Biowaste Solutions Inc; California; On-site; USD 34,000 - 41,000; Full time

Job summary

Medical Biowaste Solutions Inc is seeking an Executive Assistant / Chief of Staff to serve as a trusted extension of the CEO across three growing companies. This in-person role based at our Mission Viejo Corporate Office requires travel between locations.

Location: Mission Viejo, CA (In-Person) Pay: $25–$30/hour Schedule: 32–40 hours per week. You will manage calendars, travel, meetings, and executive scheduling; coordinate daily operations; lead project launches; and support sales, proposals,

Qualifications

• 5+ years of executive or leadership support experience.
• Excellent communication and organizational skills.
• Strong project management abilities.
• Ability to work independently and in a team.
• Experience with CRM, Office and collaboration tools.

Responsibilities

• Act as an extension of the CEO and drive strategic initiatives.
• Manage calendars, meetings, travel, and scheduling.
• Coordinate operations across three companies.
• Lead project launches and ensure timely execution.
• Prepare executive reports and presentations.
• Develop SOPs and operational systems.
• Handle confidential information securely.
• Support sales, CRM updates, and proposals.

Skills

Executive support

Project management

Communication

Organization

Independence

Adaptability

Tools

Microsoft Office

Google Workspace

CRM platforms

PM software

Job description

Medical Biowaste Solutions Inc is seeking an Executive Assistant / Chief of Staff to serve as a trusted extension of the CEO across three growing companies. This in-person role based at our Mission Viejo Corporate Office requires travel between locations.

Location: Mission Viejo, CA (In-Person) Pay: $25–$30/hour Schedule: 32–40 hours per week. You will manage calendars, travel, meetings, and executive scheduling; coordinate daily operations; lead project launches; and support sales, proposals,