About this role
Assistant Offshore Crane Operator (Leiden, ZH, NL, 2332 AA) Heerema Posted on Jun 30, 2026 From land-based cranes to offshore giants. Take the next step in your career with Heerema Contractors. Join our team and learn to operate the world's largest offshore cranes while working on iconic projects that help shape the future of global energy. Your role in the story As an Assistant Offshore Crane Operator you will learn how to operate the biggest offshore cranes in the world in a challenging marine environment. Initially under the guidance of experienced Crane Operators and after this initial period you are responsible for the mechanical operation of some of the largest offshore cranes in the world, with lifting capacities ranging from 3,000 to 10,000 metric tons. You will be a key player in a professional team of offshore specialists where you operate the crane while following instructions from a dedicated banksman and his team of riggers on deck, while continuously monitoring the instruments in the operator's cabin. In addition, you regularly inspect, check and report on the mechanical condition of the crane and related machinery, ensuring safe and reliable operations at all times. What you will be working on - Operating offshore cranes in accordance with procedures and instructions - Adhering to safe working practices as per industry standards at all times, - Correctly understanding and strictly following emergency stop signals, radio communication and hand signals - Performing daily inspections and reporting defects or malfunctions (e.g. corrosion, structural damage, wire wear, paint damage) - Verifying that loads are correctly rigged and safe for lifting, prior to lifting - Assisting with crane maintenance as instructed by the (Assistant) Chief Engineer and/or Chief Electrician - Monitoring and verifying correct functioning of machinery and equipment and rectifying issues where possible - Assisting with reeving activities - ...