Duluth, MN 55804 • (36.7 miles) • Full Time • 9/6/2026

GENERAL JOB SUMMARY: The Master Electrician is responsible for performing a variety of electrical trade functions such as the installation, maintenance, or repair of equipment for the generation, distribution, or utilization of electric energy at the Great Lakes Toxicology and Ecology division-Duluth laboratory facility. This position may be expected to respond to after-hour emergency situations.ESSENTIAL DUTIES AND RESPONSIBILITIES:Perform installation, preventative maintenance and repairs to buildings, physical plant equipment, support equipment, control systems, and utility systems.Test electrical currents or components for continuity, using electrical test equipment.Work from drawings, layouts, blueprints, or other specifications, locating and diagnosing trouble in the electrical syste