Ultrasound R&D Engineer

I'm seeking an ultrasound engineer that is knowledgeable in regard to immersion transducers for biomedical purposes. I have currently have quotes for components but need to ensure compatibility between... (Budget: min $50 USD, Jobs: Biomedical Engineering, Electrical Engineering, Engineering, Mechanical Engineering, Medical Engineering, Product Development, Research and Development, Signal Processing, Technical Documentation, Testing / QA)