Job Summary. Shower Door Installer / Residential Glazier / Commercial Glazier - Experience Required. Duties. Installing Shower doors/ replacing I.G. (insulated units). Work Hours. Standard hours are Mon-Fri, 8am to 5pm, subject to adjustment for specific projects and for overall work load. Occasional overtime required, depending upon overall work load. Occasional Saturday work required, depending upon overall work load. Valid driver's license wit...