According to the BLS salary reports, the median salary for a sterile processing technician is around $40,950 per annum. The annual salary for the top 10 percent sterile processing technicians is more than $59,150, while the lowest 10% of them earned less than $28,860 per year.n average starting hourly wage for a sterile processing technician in the United States ranges from between $9.88 – $18.26 per hour which gradually increases by $1.98 – $27.96 overtime.