Jobs · Administrative · Washington

Operations & Administrative Assistant (Part-Time)

Mafix · Seattle, WA · Yesterday
On-siteAdministrativePart-time

About the role

We are looking for a reliable, resourceful, and detail-oriented Administrative Assistant to keep our Seattle office and lab running smoothly. This is a hands-on, in-person role supporting day-to-day operations for a small, fast-moving team. You'll be the person who makes sure supplies are stocked, shipments are received, vendors are paid, and the small things that keep a startup humming don't slip through the cracks.

Responsibilities

  • Manage office and lab logistics: order supplies and equipment, receive and log shipments, and coordinate with vendors
  • Support facilities upkeep and coordinate with building management and service providers
  • Assist with bookkeeping tasks such as expense tracking, invoice processing, and receipt organization
  • Help schedule meetings, coordinate travel, and support team onboarding
  • Keep records, files, and shared systems organized and up to date
  • Pitch in wherever needed to keep a growing team running efficiently

Qualifications

  • 2+ years of administrative, operations, or office coordination experience, ideally in a startup, lab, or small-business setting
  • Highly organized and self-directed, with strong attention to detail and follow-through
  • Comfortable juggling varied tasks and shifting priorities
  • Proficient with common office and productivity tools (email, calendars, spreadsheets, document sharing)
  • Reliable, discreet, and able to work independently in person in Seattle, WA
  • Experience with basic bookkeeping or procurement a plus

Pay and schedule

  • Onsite in Seattle, WA
  • Part-time (~15-20 hours/week with room to expand as the team grows, flexible scheduling)
  • Competitive hourly salary
  • Start date: ASAP

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