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Administrative Assistant

Job in Bellevue, King County, Washington, 98005, USA
Listing for: System One
Full Time position
Listed on 2026-06-08
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Virtual Assistant/ Remote Admin, Executive Admin/ Personal Assistant
Job Description & How to Apply Below
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, One Drive, and Share Point  

+ 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

: #161-Managed Staffing Charlotte

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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