Ultrasound Specialist IV (#RH5154)
$47.62-$57.88 Hourly / $8,253.92-$10,032.70 Monthly / $99,047.14-$120,392.42 Yearly


Under general supervision, performs the most complex ultrasound imaging procedures, may serve as lead worker over ultrasound technicians and students; may perform radiologic and/or mammography procedures if required, and does related other work as required in accordance with Rule 3, Section 3 of the Civil Service Rules.


Incumbents in the classification of Ultrasound Specialist IV act in a lead capacity and perform some of the same work as lower-level technologists but also perform the most complex imaging procedures involving the use of special techniques and/or equipment in at least three specialized modalities. One of the three modalities must be cardiovascular or vascular ultrasound procedures.


  • Obtains images of internal organs with ultrasound techniques as an aid to differentiation of cysts, abscesses and other pathological conditions.
  • Selects the appropriate operating mode for the specific ultrasonic examinations of cardiac motions, recognizes abnormal conditions, and adjusts recording techniques to obtain appropriate display.
  • Measures biparietal diameter; tests and records fetal heartbeat; conduct examinations of pregnant patients to determine placenta location, fetal position, multiple gestation, and abnormalities.
  • Conducts fetal echocardiograms; checks the patient’s history to anticipate the effects of previous surgery, childbirth and other conditions which could affect the ultrasonic image of internal organs.
  • Prepares and position patients for display of area to studied; posts results.
  • Demonstrates ultrasound techniques to radiologic technology student interns, resident physicians and others: monitors students’ performance of procedures, correcting faulty techniques and explaining appropriate methods. Documents students progress and maintains appropriate records.
  • Trains, assigns, monitors and reviews the work of ultrasound technologist and Radiologic Technologists assigned to ultrasound: schedules assigned staff.
  • Evaluates and recommends changes in procedures, equipment and other aspects of ultrasound unit.
  • May perform radiologic or mammography procedures, if licensed. 


Experience: Four years of full-time paid work experience performing ultrasound examinations in a physician's office, clinic or hospital including one year of experience equivalent to an Ultrasound Specialist III in San Joaquin County. 

Education: Graduation from an approved ultrasound/vascular technology education program. 

Experience: Three years of experience including one year of experience equivalent to an Ultrasound Specialist III in San Joaquin County. 

Education: Graduation from a two-year allied health education program that is patient care related. 

Experience: Four years of full time clinical ultrasound/vascular experience including one year of experience equivalent to an Ultrasound Specialist III in San Joaquin County. 

Special Requirement: Must demonstrate competence to perform at least three ultrasound modalities such as abdominal, cardiovascular, vascular, obstetrical/gynecological ultrasound procedures. 

Certification: Certification as a Radiologic Technologist and/or Certification in Mammography by the Department of Health, State of California may be required.


The theory and techniques of ultrasound; operation and care of ultrasound equipment; methods of positioning patients for ultrasound procedures, physical and organic anatomy; operation of transducers and camera; methods of positioning patients for ultrasound and mammography procedures, physical and organic anatomy; operation of transducers and camera; advanced structural and organic anatomy in three areas of specialization.


Position requires sitting, standing, manual dexterity, bending or stooping and lifting of patients; position patients for a variety of imaging examinations; must be able to communicate effectively both verbally and in written form: work independently and carry out ultrasound techniques; operate a variety of standard and complex equipment; sterile procedures; anatomy and physiology to perform a wide variety of imaging procedures; principles of physics, electricity, and related physical sciences as applied to various diagnostic imaging procedures; principles, methods and techniques of leadership and supervision; independently produce images of such quality to minimize call back of patients; develop protocols and quality assurance studies.


Mobility-Frequent operation of a keyboard; standing for long periods of time; walking, pushing/pulling, and operation of heavy equipment; occasional sitting for long periods of time and stair climbing; Frequency of Lifting-Constant lifting of 5 lbs. or less; frequent restraining, lifting/turning heavy objects or people; occasional lifting of 5 to above 70 lbs.; Visual Requirements-Constant need for overall vision, hand/eye coordination and reading/close up work; frequent need for color perception, depth perception and field vision; Dexterity-Constant holding, reaching and grasping; frequent writing; Hearing/Talking-Constant hearing of normal speech and talking in person; frequent hearing on the telephone/radio and talking on the radio; occasional hearing of faint sounds; Emotional/Psychological Factors-Constant public contact; decision making; concentration and working alone; trauma, grief and death; occasional weekend/night work and overtime/travel; Environmental Conditions-Occasional exposure to hazardous materials.

San Joaquin County complies with the Americans with Disabilities Act (ADA) and, upon request, will consider reasonable accommodations to enable individuals with disabilities to perform essential job functions.

CLASS: RH5154; EST: 7/11/2001; REV: 6/13/2003;