Katherine Sonnichsen
$133,030.69asFirefighter+14.68%
Employed by City Of Markham in 2025, according to Government of Ontario public salary records.
Salary Information
Historical salary and taxable benefits from 2017 to 2025.
The Ontario Sunshine List reports that Katherine Sonnichsen was paid $133,030.69 in 2025 as Firefighter at City Of Markham. This represents a 14.68% increase over the previous year's reported salary. Katherine Sonnichsen has appeared on the Ontario Sunshine List 9 times between 2017 and 2025, with reported earnings peaking at $133,030.69 in 2025. In addition to salary, $414.45 in taxable benefits was disclosed for 2025. City Of Markham reports under the Municipalities & Services sector of Ontario's public sector salary disclosure.
Top earning Firefighters in City Of Markham
| Name | Salary |
|---|---|
| Bradley Ryan Mcdonald | $153,064.06 |
| Matthew Lum | $151,815.83 |
| John William Barber | $147,787.55 |
| Luke Travis Barron | $147,392.48 |
| Lukasz Wybraniec | $147,289.62 |
| Chris Tamaya | $144,598.65 |
| Brian Chi Yan Tran | $144,474.65 |
| Kate Elizabeth Mclellan | $143,295.02 |
| Kale Edward Hudolin | $143,149.01 |
| Jesse Nicholas Longo | $143,073.43 |
Top earning Firefighters in Ontario
| Name | Salary | Employer |
|---|---|---|
City Of Mississauga | $223,999.13 | City Of Mississauga |
City Of Brampton | $220,770.29 | City Of Brampton |
City Of Ottawa | $211,889.28 | City Of Ottawa |
City Of Ottawa | $207,930.70 | City Of Ottawa |
Town Of Hawkesbury | $204,888.99 | Town Of Hawkesbury |
City Of Ottawa | $199,600.59 | City Of Ottawa |
City Of Brampton | $198,970.78 | City Of Brampton |
City Of Hamilton | $197,422.16 | City Of Hamilton |
City Of Brampton | $197,394.53 | City Of Brampton |
City Of Hamilton | $196,762.29 | City Of Hamilton |
Other employees at City Of Markham
| Name | Position | Salary |
|---|---|---|
| Wajahat Qazi Sohail Project Manager | Project Manager | $133,488.98 |
| Colin John Clark On-Shift Trainer | On-Shift Trainer | $133,377.01 |
| James R Bingham Supervisor, Parks Operations | Supervisor, Parks Operations | $133,321.67 |
| Kyle Francis Mcmullen Firefighter | Firefighter | $133,295.03 |
| Rafael Sampang Abo Project Manager | Project Manager | $133,214.11 |
| Arthur P Zalewski Supervisor, Utility and Right-of-Way | Supervisor, Utility and Right-of-Way | $132,860.18 |
| Daniel Nathan Cresswell Firefighter | Firefighter | $132,526.83 |
| Thomas Victor Rozon Firefighter | Firefighter | $132,425.28 |
| Hai Li Fire Prevention Officer | Fire Prevention Officer | $132,424.96 |
| Jennifer Anne Marie Wagner Firefighter | Firefighter | $132,422.58 |