You may want to consider something other than "specialist", Erik.

Master of Public Health
http://www.dooyoo.de/studienfaecher/gesundheitswissenschaftl...

PUBLIC HEALTH SPECIALIST, #X17
BASIC PURPOSE:
Positions within this job family are assigned responsibilities for planning, performing or supervising technical and professional work involving consumer protection and public health services. This includes performing inspections, surveys, and investigations to identify and eliminate conditions hazardous to life and health, providing consultative services and assistance in assigned areas of responsibility, ensuring corrective actions are taken to eliminate public health or other hazards, and ensuring compliance with applicable statutes and regulations.
Education and Experience requirements at this level consist of a bachelor’s degree with at least 30 semester hours in a biological, medical or physical science, food science or technology, chemistry, nutrition, engineering, epidemiology or closely related scientific field.
http://www.opm.state.ok.us/jfd/x-specs/x17.htm