CRH - Staker Parson Companies [Field Technician / Maintenance Technician] As a Shop Mechanic at CRH, you'll: Repair and maintain construction equipment and mechanical equipment; Troubleshoot problems, making economical and durable repairs; Dismantle devices to gain access to and remove defective parts using hoists and hand tools; Service vehicles/equipment to include oil changes, greasing, adding fluids, etc...Hiring Immediately >>