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Office Administrator

Reliable Staffing

Mississauga, Canada

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Posted: September 10th, 2025

Job Description

We are seeking a detail-oriented, organized, and proactive Office Administrator to manage our clients day-to-day administrative operations and support their internal teams.

Key Responsibilities:

  • Manage general administrative duties, including filing, photocopying, scanning, and data entry.
  • Answer and direct incoming phone calls, emails, and in-person inquiries.
  • Maintain schedules and calendars, book meetings and appointments.
  • Order and manage office supplies and liaise with vendors or service providers.
  • Prepare and edit documents, reports, and correspondence.
  • Maintain accurate and up-to-date records and filing systems (physical and digital).
  • Assist in payroll, invoicing, and basic bookkeeping tasks (if required).
  • Support onboarding of new employees and help coordinate training logistics.
  • Ensure the office is clean, organized, and operating efficiently.
  • Uphold privacy and confidentiality in line with Ontario and Canadian regulations.

Qualifications:

  • High school diploma required
  • Post-secondary education in Business Administration, Office Management, or related field preferred.
  • 2+ years of experience in an administrative or office support role.
  • Proficiency with Microsoft Office Suite (Word, Excel, Outlook, PowerPoint) and common office technology.
  • Strong written and verbal communication skills.
  • Excellent organizational, multitasking, and time management abilities.
  • Professional, courteous, and capable of working independently or as part of a team.

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