Lead safer rail construction through site supervision and subcontractor coordination with ONxpress in downtown Toronto and project sites. Support civil infrastructure delivery across the GO Transit network.
As Assistant Superintendent, you will support ONxpress Civil Contractors Joint Venture construction operations across rail and civil infrastructure works. Apply civil construction experience, technical document review, scheduling coordination, and safety-focused field oversight. Your work supports project plans, quality requirements, and coordinated delivery under the Alliance framework with Metrolinx.
Key Responsibilities: Assist day-to-day site supervision for safe, efficient construction
Coordinate subcontractors, crews, equipment, and materials
Review technical documents, shop drawings, and construction details




Maintain reports, diaries, photos, and progress tracking
Monitor specifications, quality procedures, and safety requirements
Requirements: Post-secondary education in engineering or construction management
Five or more years of civil construction experience
Rail, infrastructure, or transportation project experience preferred
Proficiency with MS Office
Solid organizational, communication, and problem-solving skills
Bring rail construction supervision, coordination, and safety expertise to ONxpress civil infrastructure projects across Toronto’s GO Transit network.

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📌 Assistant Superintendent Rail Construction (Ontario)
🏢 ONxpress
📍 Ontario