Certificate in ship welding Welding technician (Marine) Read blueprints and drawings and take or read measurements to plan layout and procedures Determine the appropriate welding equipment or method based on requirements Set up components for welding according to specifications (e.g. cut material with powered saws to match measurements) Operate angle grinders to prepare the parts that must be welded Align components using calipers, rulers etc. and clamp pieces Weld components using manual or semi-automatic welding equipment in various positions (vertical, horizontal or overhead) Repair machinery and other components by welding pieces and filling gaps.