Aecon in Toronto is seeking a corporate and securities counsel to advise on mergers, acquisitions, divestitures, and other corporate transactions, draft, review and negotiate transaction documents, and support regulatory filings for Aecon’s public and private offerings. You are a Ontario-licensed lawyer with 2–4 years post-call experience, experienced in domestic and cross-border M&A;, and able to balance legal risk with business objectives in a quick‑paced, matrixed setting.