Welding (GTAW, SMAW, GMAW, FCAW), sheet metal work, pipefitting, plumbing, machining (mill, lathe), engineering drawing interpretation, equipment repair troubleshooting, heavy machinery rigging (>1000 lb.), basic math, and geometry. 3rd Party Non-Solicitation Policy: By submitting candidates without having been formally assigned on and contracted for a specific job requisition by Avantor, or by failing to comply with the Avantor recruitment process, you forfeit any fee on the submitted candidates, regardless of your usual terms and conditions.