Engineering Jobs in Thornhill, ON

Browse 19 Engineering jobs in Thornhill, ON. Engineering jobs design, build and maintain everything from roads and plants to machines and electrical systems. Roles range from EIT and technologist positions to licensed P.Eng. engineers. It covers roles such as mechanical engineer, civil engineer, electrical engineer and process engineer.

19 open jobs

WSP

Senior Mechanical Engineer, Mission Critic...

$94,100 - $138,000 /year

Thornhill, ON, Canada
Oct 02, 2026

Full Time

AECOM

Senior Water Resources Engineer

Thornhill, ON, Canada
Sep 24, 2026

Full Time

WSP

Lead Electrical Engineer, Mission Critical...

$122,100 - $179,100 /year

Thornhill, ON, Canada
Sep 22, 2026

Full Time

WSP

Intermediate Professional, Hydraulic Engin...

$69,900 - $102,500 /year

Thornhill, ON, Canada
Sep 21, 2026

Full Time

WSP

Senior OCS Engineer, Rail and Transit

$135,200 - $179,100 /year

Thornhill, ON, Canada
Sep 17, 2026

Full Time

WSP

Traction Power Engineer, Rail and Transit

$98,800 - $130,800 /year

Thornhill, ON, Canada
Sep 17, 2026

Full Time

WSP

Senior Professional, Electrical Engineering

$135,200 - $179,100 /year

Thornhill, ON, Canada
Sep 16, 2026

Full Time

WSP

Lead Mechanical Engineer, Mission Critical...

Thornhill, ON, Canada
Sep 15, 2026

Full Time

AECOM

Civil Engineering Graduate - Highway Plann...

Thornhill, ON, Canada
Sep 08, 2026

Full Time

WSP

Senior Electrical Engineer, Water & Wastew...

$103,500 - $151,800 /year

Thornhill, ON, Canada
Aug 25, 2026

Full Time

WSP

Mechanical Engineering Co-op Student

Thornhill, ON, Canada
Aug 10, 2026

Full Time

WSP

Co-op Student, Electrical Engineering

$46,000 - $64,000 /year

Thornhill, ON, Canada
Jul 29, 2026

Full Time

WSP

Lead Track Engineer

$162,200 - $212,200 /year

Thornhill, ON, Canada
Jul 28, 2026

Full Time

WSP

Intermediate Conveyance Engineer - Civil E...

$89,800 - $118,900 /year

Thornhill, ON, Canada
Jul 27, 2026

Full Time

WSP

Senior Conveyance Engineer – Civil Enginee...

$104,100 - $138,000 /year

Thornhill, ON, Canada
Jul 27, 2026

Full Time

WSP

Lead Conveyance Engineer - Civil Engineering

$122,900 - $162,800 /year

Thornhill, ON, Canada
Jul 27, 2026

Full Time

WSP

Principal Conveyance Engineer - Civil Engi...

$147,500 - $195,400 /year

Thornhill, ON, Canada
Jul 27, 2026

Full Time

WSP

Project Engineer/ Project Manager, Rail an...

Thornhill, ON, Canada
Jul 24, 2026

Full Time

WSP

Structural Engineer, Water, Wastewater and...

$89,200 - $130,800 /year

Thornhill, ON, Canada
Jul 15, 2026

Full Time

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