The Lineworker Apprentice position at National Grid is designed for individuals who have completed the overhead pre-line school and passed the Test on Record. This apprenticeship provides hands-on training and experience in the Overhead Lines Department, focusing on the skills necessary to assist line crews in setting poles and constructing transmission lines. The role requires physical ability to work at heights and operate various tools and equipment under supervision, with the goal of progressing to a Line Worker 1/C position.