A tried-and-true curriculum that assists professionals like gas engineers advance their careers and get employment is provided by the College of Contract Management. To work or becoming a gas engineer at 30, you must register, complete an apprenticeship to gain experience, and enroll in a course to get a certificate in gas installation or maintenance. https://www.uniccm.com/blog/steps-to-become-a-gas-engineer-in-the-uk-a-comprehensive-guide