Sentinel Dock & Door Solutions is a Canadian commercial service provider specializing in dock and door systems. Established in 2025 by Trivest Partners, a private equity firm, Sentinel was formed through the acquisition of several well‑established regional companies, including Lenworth Building Services, Pro Door & Dock Systems, Mar‑Lin Dock & Door, Door Doctor, and Secord Doors.
Together, these brands deliver expert installation, repair, and maintenance services for overhead doors, dock levelers, and related equipment across commercial and industrial facilities throughout Canada.
Door Doctor is a trusted name in the overhead door and dock industry, with over 40 years of experience and locations across Ontario and Quebec. We are currently seeking an experienced Commercial Service Technician – Overhead Doors to support service and installation work in the Ottawa area.
As a Service Technician – Overhead Doors, you will work closely with management and administrative teams to complete service and installation work for commercial clients. This is a hands‑on, customer‑focused role that requires strong technical expertise, problem‑solving skills, and clear communication.
Not located in Ottawa?
Relocation assistance available for experienced technicians willing to relocate.