Postdoctoral Research Associate, Radiology and Imaging Services

The University of Arizona Tucson, AZ — USA

The University of Arizona Tucson, AZ USA Posted Oct 23, 2025 Due Oct 22, 2026

Diagnostic Imaging and Radiography RSS

Type: Full-Time
Category: Diagnostic Imaging and Radiography
Posted: October 22, 2025
Final date to receive applications: Open Until Filled
Posting Number: req
24239
Department: Radiology & Imaging Sciences
Location: University of Arizona Health Sciences
Address: 1501 N. Campbell Ave., Tucson, AZ, USA

The Department of Radiology and Imaging Sciences at the University of Arizona is seeking multiple Postdoctoral Research Associates to join the laboratory of Dr. Russell S. Witte, PhD
.

This role offers an exciting opportunity to lead groundbreaking research in Phase Change Ultrasound (PCUS) technology—combining ultrasound and nanotechnology to map the human lymphatic system. The successful candidate will collaborate with a multidisciplinary team of scientists and engineers to develop, evaluate, and validate PCUS and associated contrast agents in bench-top and in vivo testbeds, advancing a new imaging modality for clinical use.

The University of Arizona offers outstanding employee benefits
, including comprehensive health, dental, vision, and life insurance; paid vacation, sick leave, and holidays; tuition reduction programs for employees and eligible family members across UArizona/ASU/NAU; and access to recreation and cultural facilities.

Learn more about UArizona’s innovative work-life programs and relocation services here.

Develop imaging protocols using programmable ultrasound systems (e.g., Verasonics or Vevo F2).

Apply advanced ultrasound signal processing and beamforming principles.

Formulate and characterize nanoparticles and ultrasound contrast agents.

Conduct experiments in flow systems, tissue-mimicking phantoms, biological tissue, and animal models.

Produce high-quality, peer-reviewed publications.

Mentor graduate and undergraduate students.

Fluency in English, with excellent writing and presentation skills.

Strong motivation, independence, and ability to work in a multidisciplinary research environment.

PhD in Electrical Engineering, Biomedical Engineering, Chemical Engineering, Optical Sciences, or a related discipline.

At least three publications in biomedical imaging, advanced signal processing, or nanotechnology.

A minimum of four years of experience working with scientific hardware and instrumentation.

Strong publication record in biomedical imaging, ultrasound, signal processing and/or nanotechnology.

Experience using open-platform ultrasound systems (e.g., Verasonics Vantage/NXT, Visual Sonics F2/VADA).

Minimum four years’ experience with bioinstrumentation (oscilloscopes, function generators, scanners).

At least two years’ experience with acoustic modeling software (k-Wave, FOCUS, Field II).

Hands‑on experience formulating and characterizing nanoparticles or contrast agents.

Familiarity with one or more of the following:

• Super-resolution or localization microscopy
• Elasticity imaging
• Inverse problem-solving
• Machine learning and AI applications
• Solid Works and 3D printing

FLSA: Exempt

Full-Time Equivalent (FTE): 1.0

Work Schedule: 40 hours/week, Fiscal Year Appointment

Job Category: Research

Benefits Eligible: Yes – Full Benefits

Compensation: Based on NIH Salary Guidelines

Background Check: Name-based criminal background check (non-security sensitive)

Number of Vacancies: 3

The University of Arizona is an Equal Opportunity/Affirmative Action Institution
.
Women, minorities, veterans, and individuals with disabilities are strongly encouraged to apply
.