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Administrative Assistant III Salaries in Hamilton, ON

• What is the average Administrative Assistant III salary for Hamilton, ON?
  How much does an Administrative Assistant III in Hamilton, ON make? The median annual Administrative Assistant III salary in Hamilton, ON is C$75,619, as of September 23, 2026, with a range usually between C$68,142-C$83,870 not including bonus and benefit information and other factors that impact base pay. However, the salary for someone with the title Administrative Assistant III 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 III in Hamilton, ON.

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

• Job Description for Administrative Assistant III
  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 independently within established procedures associated with the specific job function. Has gained proficiency in multiple competencies relevant to the job. Typically requires 3-5 years of related experience. View full job description

• Similar Job titles to Administrative Assistant III
  • Actuarial Assistant III
  • Administrative Assistant I
  • Administrative Assistant II
  • Administrative Assistant IV
  • Assistant Property Manager III
  • Executive Assistant III
  • Financial Assistant III
  • HR Operations Assistant III

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

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

• Most Popular Jobs Titles for Hamilton, ON
  • Hamilton, ON Art Director
  • Hamilton, ON Technical Writer III
  • Hamilton, ON Public Relations Specialist III
  • Hamilton, ON Print Production Coordinator I
  • Hamilton, ON Industrial Designer III
  • Hamilton, ON Environmental Engineering Manager

• Categories that include Administrative Assistant III
  • Administrative, Support, and Clerical

• Administrative Assistant III 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