5 jobs in Welwyn Garden City have Maintenance Technician in the title, all from Tesco. 1 was posted in the last 7 days. Eligible for the Skilled Worker visa under SOC 5223, which is on the temporary shortage list, minimum £41,700 at the standard rate. Most metal working production and maintenance fitters in the UK earn between £30,264 and £46,176 in (ONS ASHE 2025, full-time). Visa and pay details