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Thomas Thor is a recruitment, executive search and consulting organisation providing services to the global nuclear and other complex regulated industries. Following the union of Thomas Thor and KeySource HCI in 2016, we proudly operate as KeySource Global for our Executive Search Services internationally (

Our clients include nuclear regulators, operators, engineering companies, equipment manufacturers and research organisations. Our ten offices are located close to our clients, in Europe, the Middle East, and North America. Our multinational and multilingual staff have an unrivalled global network in the nuclear industry.

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Senior Project Engineer
Thomas Thor Associates Welland
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Senior Engineer - Plant Electrical Systems
Thomas Thor Associates Toronto
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Regional Communications Lead
Thomas Thor Associates Whitehaven
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Project Controls Analyst III
Thomas Thor Associates Monroe, MI
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Site Security Engineer
Thomas Thor Associates Belgium
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