Thanasis Triantafillos

$154,235.29asNuclear Security Officer First Line Manager Assistant

Employed by Ontario Power Generation in 2025, according to Government of Ontario public salary records.

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Position

Nuclear Security Officer First Line Manager Assistant

Employer

Ontario Power Generation

Salary Information

Historical salary and taxable benefits from 2016 to 2025.

YearPositionSalaryBenefitsPerformance
2025
Nuclear Security Officer First Line Manager Assistant
$154,235.29
$6,578.06
9.17%
2024
Nuclear Security Officer First Line Manager Assistant
$141,282.26
$5,555.46
1.05%
2023
Nuclear Security Officer
$142,786.88
$5,399.14
7.33%
2022
Nuclear Security Officer
$133,029.27
$4,862.50
5.75%
2021
Nuclear Security Officer
$125,798.79
$4,392.47
0.03%
2020
Nuclear Security Officer
$125,830.72
$3,965.27
9.28%
2019
Nuclear Security Officer
$115,144.03
$3,464.47
6.1%
2018
Nuclear Security Officer
$108,523.26
$3,469.94
0.14%
2017
Nuclear Security Officer
$108,676.69
$3,822.15
2.84%
2016
Nuclear Security Officer
$105,677.87
$1,241.04
—

Thanasis Triantafillos earned $154,235.29 as Nuclear Security Officer First Line Manager Assistant at Ontario Power Generation in 2025, according to the Ontario Sunshine List. This represents a 9.17% increase over the previous year's reported salary. Thanasis Triantafillos has appeared on the Ontario Sunshine List 10 times between 2016 and 2025, with reported earnings peaking at $154,235.29 in 2025. In addition to salary, $6,578.06 in taxable benefits was disclosed for 2025. Ontario Power Generation reports under the Ontario Power Generation sector of Ontario's public sector salary disclosure.

Top earning Nuclear Security Officer First Line Manager Assistants in Ontario Power Generation

NameSalary
Richard Stevens$206,110.43
Sheldon Wilson$204,585.11
Marc Chandler$185,920.56
Riley Falls$183,395.40
Mark Jacobs$179,586.47
Jason Monkman$176,888.21
Wesley Cheshire$176,766.95
Gilbert Levesque$176,012.21
Lance Peterson$175,830.07
James Balancio$172,359.49

Other employees at Ontario Power Generation

NameSalary
Boris Romanovsky
Electrical and Control Technician
$154,263.95
Enzo Vizza
Nuclear Operator
$154,248.24
Cristina Micu
Senior Technical Engineer/Officer
$154,246.48
Yaxiong Guo
Senior Advisor Contract Management
$154,243.89
Derek Stockfish
Operating Engineer Foreman – Construction
$154,236.77
Stephen Link
Mechanical Technician/Technologist
$154,233.49
John Norlock
Electrician Foreman Construction
$154,231.27
Andrew Yaraskavitch
Supervising Nuclear Operator First Line Manager Assistant
$154,218.08
Brent Lassila
Plumber/Pipefitter Foreman – Construction
$154,209.94
Khanjankumar Patel
Project Leader
$154,205.30