AECOM is seeking a Senior Electrical Engineer to join our Canadian Data Center team in Markham, Ontario. This senior, hands-on role focuses on scalable electrical design for hyperscale and mission-critical facilities, with mentorship of junior engineers and collaboration with clients and multidisciplinary teams. You will design medium- and low-voltage distribution, backup-power systems, and grounding, while advancing energy-productive designs and coordinating with stakeholders across disciplines.