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Administrative Assistant I Salaries in Oshawa, ON

• What is the average Administrative Assistant I salary for Oshawa, ON?
  How much does an Administrative Assistant I in Oshawa, ON make? The median annual Administrative Assistant I salary in Oshawa, ON is C$57,446, as of September 23, 2026, with a range usually between C$51,982-C$63,948 not including bonus and benefit information and other factors that impact base pay. However, the salary for someone with the title Administrative Assistant I may vary depending on a number of factors including industry, company size, location, years of experience and level of education. Our team of Certified Compensation Professionals has analyzed survey data collected from thousands of HR departments at companies of all sizes and industries to present this range of annual salaries for people with the job title Administrative Assistant I in Oshawa, ON.

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• About this chart
  This chart describes the expected percentage of people who perform the job of Administrative Assistant I in Oshawa, ON that make less than that salary. For example 50% of the people who perform the job of Administrative Assistant I in Oshawa, ON are expected to make less than the median.
  Source: HR Reported data as of September 23, 2026

• Job Description for Administrative Assistant I
  Provides administrative support to an individual, team, department or group in an organization. Collects, reviews and analyzes data and prepares reports, charts, budgets, and other presentation materials utilizing word processing, spreadsheet, or specialized software. Prepares and distributes reports or other communications on a regular schedule. Maintains files, databases, and archives of relevant records. Screens calls and responds to or routes routine inquiries from external or internal sources with appropriate correspondence or other messaging. Schedules and coordinates meetings, travel, and other group activities. May manage expense reporting, invoicing, office supply inventory, or other routine processes. Requires a high school diploma. Typically reports to a supervisor or manager. Works under the close direction of senior personnel in the functional area. Possesses a moderate understanding of general aspects of the job. May require 0-1 year of general work experience. View full job description

• Similar Job titles to Administrative Assistant I
  • Administrative Assistant II
  • Administrative Assistant III
  • Administrative Assistant IV
  • Executive Assistant I
  • Financial Assistant I
  • HR Operations Assistant I
  • Human Resources Assistant I
  • Laboratory Assistant I

• Level of Education
  • Administrative Assistant I Salaries with a High School Diploma or Technical Certificate
  • Administrative Assistant I Salaries with an Associate's Degree
  • Administrative Assistant I Salaries with a Bachelor's Degree
  • Administrative Assistant I Salaries with a Master's Degree or MBA
  • Administrative Assistant I Salaries with a JD, MD, PhD or Equivalent

• Most Popular Cities for Administrative Assistant I in Canada
  • Fredericton, NB Administrative Assistant I
  • Moncton, NB Administrative Assistant I
  • Halifax, NS Administrative Assistant I
  • Oshawa, ON Administrative Assistant I
  • Ottawa, ON Administrative Assistant I
  • Charlottetown, PE Administrative Assistant I
  • Montreal, QC Administrative Assistant I
  • Quebec, QC Administrative Assistant I
  • Sherbrooke, QC Administrative Assistant I

• Most Popular Jobs Titles for Oshawa, ON
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• Categories that include Administrative Assistant I
  • Administrative, Support, and Clerical
  • Entry Level

• Administrative Assistant I Salaries by Province in Canada
  • Alberta
  • British Columbia
  • Manitoba
  • New Brunswick
  • Newfoundland and Labrador
  • Nova Scotia
  • Northwest Territories
  • Nunavut
  • Ontario
  • Prince Edward Island
  • Quebec
  • Saskatchewan
  • Yukon

• Administrative, Support, and Clerical Jobs by Salary Range
  • <$30K
  • $30K–$50K
  • $50K–$80K
  • $80K–$100K
  • >$100K