Senior Medical Physicist – Molecular Imaging (SPECT & SPECT/CT)

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We are seeking a Senior Medical Physicist to provide scientific and technical leadership in nuclear medicine imaging using SPECT and SPECT/CT instruments for general nuclear medicine applications, such as multi-modal quantitative imaging, image based internal dosimetry, and clinical workflow optimization. This individual will serve as a key subject matter expert supporting product development, clinical validation, customer engagement, and scientific collaboration across the Molecular Imaging organization.

This role offers the opportunity to work at the intersection of clinical practice, imaging science, and product innovation while helping shape the future of quantitative nuclear medicine and theranostics.

You are responsible for:

Providing scientific leadership in quantitative SPECT and SPECT/CT imaging, reconstruction methodologies, and image quality optimization.

Supporting the development, validation, and clinical implementation of advanced quantitative imaging workflows across Siemens Healthineers Molecular Imaging platforms.

Evaluating and optimizing clinical task-based image formation methods.

Designing, executing, and interpreting phantom studies to assess quantitative accuracy, lesion detectability, contrast recovery, image noise characteristics, and overall system performance.

Performing and supporting quantitative imaging analyses, calibration methodologies, recovery coefficient studies, SUV measurements, and activity concentration assessments.

Applying patient-specific radionuclide dosimetry methodologies to support theranostic treatment planning, response assessment, and quantitative imaging initiatives.

Collaborating with product development, systems engineering, software development, regulatory, and clinical teams to translate clinical needs into innovative product solutions.

Supporting image quality assessments, performance evaluations, acceptance testing, and validation activities using applicable NEMA, IEC, and industry standards.

Providing scientific consultation and technical expertise to customers, field organizations, and internal stakeholders on advanced quantitative SPECT and dosimetry workflows.

Supporting clinical research initiatives, scientific collaborations, and evidence-generation activities that advance Molecular Imaging technologies.

Developing technical documentation, scientific reports, presentations, publications, and training materials for internal and external audiences.

Required Qualifications:

Ph.D., D.Sc., or M.S. in Medical Physics, Physics, Nuclear Engineering, Biomedical Engineering, or a related scientific discipline.

Minimum of 5 years of clinical and/or industry experience in Nuclear Medicine with demonstrated hands-on experience using SPECT and SPECT/CT imaging systems.

Deep understanding of quantitative SPECT and SPECT/CT imaging, including calibration methodologies, recovery coefficient analysis, activity quantification, image quality assessment, and instrument assessments following NEMA NU1, IEC61675-2, ACR or similar.

Strong expertise in image reconstruction, image processing, and quantitative imaging workflows.

Experience performing radionuclide dosimetry using established methodologies and software tools.

Knowledge of nuclear medicine instrumentation and detector physics, including detector technologies, collimator performance, system sensitivity, spatial resolution, and count-rate behavior.

Experience conducting phantom studies, image quality evaluations, and system performance assessments.

Strong analytical, problem-solving, and scientific communication skills.

Demonstrated ability to work effectively across multidisciplinary teams and communicate complex technical concepts to diverse audiences.

Preferred Qualifications:

Board certification through ABR, CCPM, or an equivalent medical physics certification organization.

Clinical experience with Siemens Healthineers Molecular Imaging platforms such as Symbia TruePoint, Symbia Intevo (Bold), SYMBIA Pro.specta with IQ•SPECT(+), and xSPECT technologies.

Experience supporting theranostics programs, quantitative imaging initiatives, or clinical research studies.

Experience with OLINDA/EXM, HERMES Medical Solutions, or other related platforms.

Experience with Nuclear Cardiology software such as 4DM, Cedars or other related platforms.

Experience with Nuclear Neurology software.

Experience collaborating with physicians, technologists, and administrators.

Scientific publication record and presentations at professional meetings such as SNMMI, EANM, RSNA, IEEE NSS/MIC,AAPM or similar organizations.

Familiarity with advanced image analysis techniques, AI-assisted image reconstruction, and quantitative imaging of biomarkers.

Who we are : We are a team of more than 72,000 highly dedicated Healthineers in more than 70 countries. As a leader in medical technology, we constantly push the boundaries to create better outcomes and experiences for patients, no matter where they live or what health issues they are facing. Our portfolio is crucial for clinical decision-making and treatment pathways.

How we work: When you join Siemens Healthineers, you become one in a global team of scientists, clinicians, developers, researchers, professionals, and skilled specialists, who believe in each individual’s potential to contribute with diverse ideas. We are from different backgrounds, cultures, religions, political and/or sexual orientations, and work together, to fight the world’s most threatening diseases and enable access to care, united by one purpose: to pioneer breakthroughs in healthcare. For everyone. Everywhere. Sustainably.

To find out more about Siemens Healthineers businesses, please visit our company page here .

The base pay range for this position is:

$131,910 - $181,379

Factors which may affect starting pay within this range may include geography/market, skills, education, experience, and other qualifications of the successful candidate.

If this is a commission eligible position the commission eligibility will be in accordance with the terms of the Company's plan. Commissions are based on individual performance and/or company performance.

The Company offers the following benefits for this position, subject to applicable eligibility requirements: medical insurance, dental insurance, vision insurance, 401(k) retirement plan. life insurance, long-term and short-term disability insurance, paid parking/public transportation, paid time off, paid sick and safe time.

Equal Employment Opportunity Statement: Siemens Healthineers is an Equal Opportunity and Affirmative Action Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.

EEO is the Law: Applicants and employees are protected under Federal law from discrimination. To learn more, click here .

Reasonable Accommodations: Siemens Healthineers is committed to equal employment opportunity. As part of this commitment, we will ensure that persons with disabilities are provided reasonable acc