Senior Medical Physicist - Quantitative SPECT & Dosimetry

Siemens Healthineers; Hoffman Estates (IL); On-site; USD 131,910 - 181,379; Full time

Job summary

Siemens Healthineers in Hoffman Estates, IL, seeks a scientifically driven professional to lead quantitative SPECT/SPECT-CT imaging projects. You will guide reconstruction, calibration, and dosimetry workflows across platforms, collaborate with engineers, regulatory teams, and clinicians, and contribute to clinical research and publications.

You will design phantom studies, validate image formation methods, and translate clinical needs into innovative imaging solutions while communicating

Qualifications

• Ph.D., D.Sc., or M.S. in Medical Physics, Physics, Nuclear Engineering, Biomedical Engineering, or related field.
• At least 5 years of clinical or industry experience in Nuclear Medicine with hands-on SPECT/SPECT/CT.
• Deep understanding of quantitative SPECT, calibration, recovery coefficients, activity quantification and NEMA/ACR-like standards.
• Strong expertise in image reconstruction, processing, and quantitative imaging workflows.
• Experience performing radionuclide dosimetry and using established software tools.
• Ability to communicate across multidisciplinary teams and translate complex concepts.

Responsibilities

• Providing scientific leadership in quantitative SPECT and SPECT/CT imaging, reconstruction methodologies, and image quality optimization.
• Supporting development, validation, and clinical implementation of advanced quantitative imaging workflows across Siemens Healthineers platforms.
• Evaluating and optimizing clinical task‑based image formation methods.
• Designing, executing, and interpreting phantom studies to assess quantitative accuracy and system performance.
• Performing and supporting quantitative imaging analyses, calibration methodologies, and SUV measurements.
• Applying patient‑specific radionuclide dosimetry methodologies to support theranostic treatment planning and imaging initiatives.
• Collaborating with product development, systems engineering, software development, regulatory, and clinical teams to translate needs into product solutions.
• Supporting image quality assessments, performance evaluations, and validation activities using applicable standards.
• Providing scientific consultation to customers and internal stakeholders on advanced quantitative SPECT and dosimetry workflows.
• Supporting clinical research initiatives and evidence generation in Molecular Imaging technologies.
• Developing technical documentation, reports, publications, and training materials.

Skills

Quantitative imaging

Image reconstruction

Dosimetry

Phantom study design

Cross-functional collaboration

Scientific communication

Multi-disciplinary teamwork

Education

Ph.D., D.Sc., or M.S. in Medical Physics, Physics, Nuclear Engineering, Biomedical Engineering, or related field

Tools

SPECT systems

SPECT/CT

OLINDA/EXM

HERMES

4DM

Cedars

xSPECT

Job description

Siemens Healthineers in Hoffman Estates, IL, seeks a scientifically driven professional to lead quantitative SPECT/SPECT-CT imaging projects. You will guide reconstruction, calibration, and dosimetry workflows across platforms, collaborate with engineers, regulatory teams, and clinicians, and contribute to clinical research and publications.

You will design phantom studies, validate image formation methods, and translate clinical needs into innovative imaging solutions while communicating