Administrative Assistant

Administrative Assistant

Location: Everett, WA / Bellevue, WA Schedule: Hybrid 3+ days onsite Type: Full-Time

Overview

System One is seeking an Administrative Assistant to support a cutting-edge organization focused on advancing next-generation radiopharmaceutical technologies for cancer treatment. This role will provide executive and administrative support within a fast-paced, high-growth environment supporting conference coordination, travel, onboarding activities, event planning, and day-to-day operational support.

This is an excellent opportunity for a highly organized, detail-oriented professional who thrives in a collaborative environment and enjoys supporting executive teams in a mission-driven organization.

Responsibilities

• Support executives and partner closely with senior executive assistants on daily administrative activities
• Coordinate conferences, meetings, and events including registrations, hotel accommodations, transportation, and scheduling logistics
• Assist with calendar management and conference room scheduling
• Prepare and process travel arrangements and expense reports
• Support onboarding activities for new hires, including tracking action items and updating SharePoint resources
• Assist with preparation of meeting agendas, note taking, and meeting logistics
• Copy, scan, file, and maintain documentation and records
• Edit and proofread presentations, spreadsheets, reports, and other documents
• Travel between Bellevue and Everett sites as needed to support meetings and events
• Provide additional administrative and operational support as assigned

Qualifications

• 3+ years of administrative support experience in a professional environment
• Experience coordinating conferences and events, including domestic and international travel logistics
• Strong proficiency with Microsoft Office Suite, including Teams, OneDrive, and SharePoint
• Excellent written and verbal communication skills
• Strong organizational skills with the ability to prioritize multiple tasks effectively
• High attention to detail with strong proofreading and editing skills
• Ability to work independently with minimal supervision
• Professional demeanor with strong interpersonal and customer service skills
• Ability to maintain confidentiality and exercise sound judgment
• High school diploma required; college degree preferred or equivalent relevant experience

Preferred Experience

• Experience supporting executive-level personnel
• Experience working in fast-paced or highly regulated environments
• Familiarity with onboarding coordination and event management

Additional Requirements

• Ability to work onsite in Bellevue and Everett, WA as needed
• Personal transportation required
• Flexibility to occasionally support meetings outside standard business hours
• Ability to lift up to 25 lbs occasionally

System One Holdings, LLC