In addition, a well-established forensic science technician receives a much higher salary ranging from between $48,279 to $86,474 per annum. An average hourly wage for a forensic science technician geneticist ranges from between 14.90–$38.62 per hour.On an average, a forensic science technician in USA receives an annual salary ranging from between $28,043 – $58,346. In addition, a bonus of about $42,101 will be credited to his or her account.In fact, a forensic science technician receives his or her total earnings ranging from between $25,168 – $77,762 per annum.n addition, a well-established forensic science technician receives a much higher salary ranging from between $48,279 to $86,474 per annum. An average hourly wage for a forensic science technician geneticist ranges from between 14.90–$38.62 per hour.