Executive Assistant

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

Job summary

Medical Biowaste Solutions Inc. is seeking an Executive Assistant / Chief of Staff to work with the CEO across three companies in Mission Viejo, CA. This in-person role focuses on proactive operations, strategic support, and daily management of priorities.

The ideal candidate has 5+ years supporting executives, strong organizational skills, and proficiency with MS Office, Google Workspace, CRM tools, and PM software. Travel between locations is expected.

Qualifications

• 5+ years supporting executives or leadership teams.
• Excellent communication and organizational skills.
• Strong project management abilities.
• Experience with Microsoft Office, Google Workspace, CRM, and PM tools.

Responsibilities

• Act as an extension of the CEO by managing daily priorities and helping execute strategic initiatives.
• Manage calendars, meetings, travel, and executive scheduling.
• Coordinate daily operations across three companies.
• Lead project launches and oversee execution.
• Track milestones and hold projects accountable to deadlines.Conduct outreach to enterprise accounts and coordinate meetings.
• Support sales, proposals, CRM updates, and follow‑up.
• Prepare executive reports and presentations.
• Build operational systems and SOPs.
• Handle confidential information professionally.
• Willingly take on new responsibilities as the business evolves.

Skills

Executive support

Project management

Calendar management

Communication

Team collaboration

Tools

Microsoft Office

Google Workspace

CRM platforms

PM software

Job description

Job Description

Location: Mission Viejo, CA (In-Person)

Pay: $25–$30/hour

Schedule: 32–40 hours per week

Position Overview

We're seeking a highly organized, proactive, and business-minded Executive Assistant / Chief of Staff to serve as a true extension of the CEO while supporting three growing companies. This role combines executive support, operations management, project coordination, sales support, strategic planning, and day-to-day decision-making. The ideal candidate is flexible, enjoys wearing multiple hats, adapts quickly to changing priorities, and proactively solves problems.

Work Environment

• Based out of our Corporate Office in Mission Viejo, California.
• Some administrative responsibilities may be performed from another company location as business needs require.
• Reliable personal transportation is required, as travel between locations is expected.
• This is an in-person role that requires flexibility and adaptability.

Key Responsibilities

• Act as an extension of the CEO by managing daily priorities and helping execute strategic initiatives.
• Manage calendars, meetings, travel, and executive scheduling.
• Coordinate daily operations across three companies.
• Lead project launches and oversee execution.
• Track milestones and hold projects accountable to deadlines.Conduct outreach to enterprise accounts and coordinate meetings.
• Support sales, proposals, CRM updates, and follow‑up.
• Prepare executive reports and presentations.
• Build operational systems and SOPs.
• Handle confidential information professionally.
• Willingly take on new responsibilities as the business evolves.

Qualifications

• 5+ years supporting executives or leadership teams preferred.
• Excellent communication and organizational skills.
• Strong project management abilities.
• Comfortable working both independently and as part of a team.
• Experience with Microsoft Office, Google Workspace, CRM platforms, and project management software.
• Professional, resourceful, adaptable, and detail‑oriented.