Marson Mao

City of Toronto/Senior Systems Integrator Technology Services

At a Glance
2025

Latest Salary

$165,873

2025

Total Compensation

$166,819

Incl. $947 benefits

Employer Rank

#1,655

City of Toronto

Years on List

2010–2025

Salary History

Full History
2010–2025

Year	Employer	Position	Salary	Benefits	Total
2025	City Of Toronto	Senior Systems Integrator Technology Services	$165,873	$947	$166,819
2024	City Of Toronto	Senior Systems Integrator Technology Services	$153,198	$912	$154,110
2023	City Of Toronto	—	$143,909	$1,011	$144,920
2022	City Of Toronto	Senior Systems Integrator Technology Services	$138,036	$947	$138,983
2021	City Of Toronto	Senior Systems Integrator Technology Services	$130,265	$936	$131,202
2020	City Of Toronto	Senior Systems Integrator Technology Services	$136,230	$907	$137,136
2019	City Of Toronto	Senior Systems Integrator, Information Technology	$134,559	$2,710	$137,269
2018	City of Toronto	Manager Application Services	$140,680	$1,655	$142,335
2017	City of Toronto	Senior Systems Integrator 311	$145,500	$879	$146,379
2016	City of Toronto	Senior Systems Integrator 311	$118,172	$863	$119,035
2015	City of Toronto	Senior Systems Integrator 311	$115,158	$835	$115,993
2014	City of Toronto	Senior Systems Integrator 311	$120,753	$801	$121,555
2013	City of Toronto	Senior Systems Integrator 311	$109,497	$769	$110,265
2012	City of Toronto	Senior Systems Integrator 311	$101,366	$679	$102,045
2011	City of Toronto	Senior Systems Integrator, Information Technology	$109,697	$639	$110,335
2010	City of Toronto	Senior Systems Integrator, Information Technology	$109,360	$604	$109,965

Take-Home Pay
(After Tax) · 2025 estimate

In 2025, Marson Mao's $165,873 salary works out to roughly $112,621 after income tax, CPP and EI — an effective rate of about 28.8%. Among those listed as Senior Systems Integrator Technology Services in 2025, the median was $137,320; this salary sits about 21% above it. Compared with 2024, when the figure was $153,198, that is a rise of about 8%. Most Municipalities & Services employees belong to OMERS, so actual take-home is likely another 7–10% lower after pension contributions.

Estimated net pay: ~$112,621
Effective income-tax rate (excl. CPP/EI): ~28.8%
CPP + EI contributions: ~$5,507
vs. 2025 Senior Systems Integrator Technology Services median: +21%

Where does $165,873 rank on the Sunshine List? →

Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.

Also at City of Toronto

#	Name	Position	Salary	Total
1	Paul Johnson	City Manager	$523,925	$540,877
2	Na-Koshie Lamptey	Medical Officer Of Health	$475,421	$477,202
3	Jagdeep Sharma	Deputy City Manager Development And Growth	$426,929	$443,489
4	Stephen N Conforti	Chief Financial Officer And Treasurer	$411,336	$427,813
5	William M Johnston	Deputy City Manager Infrastructure And Development Services	$405,071	$418,199
6	David W Jollimore	Deputy City Manager Corporate Services	$393,933	$407,002
7	Wendy Walberg	City Solicitor	$393,556	$406,297
8	Paul Andrew Raftis	Deputy City Manager Community And Emergency	$392,468	$394,921
9	Katherine Bassil	Deputy City Manager Community And Emergency	$378,369	$390,993
10	Mary Madigan-Lee	Chief People Officer	$357,357	$361,957