These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research.. 5 years of hands-on experience in field service, maintenance, or bench level troubleshooting of electronic systems, including: LINACs (medical or industrial); HV power supplies, modulators, klystrons, SSPAs, TWTAs; RF systems and interlocks.