Senior Nuclear Engineer & Health Physicist, Radiopharma

Arrotek Medical Ltd; Buford (GA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive benefits

Job summary

Theragenics is seeking a Senior Nuclear Engineer/Health Physicist to lead radiation engineering efforts in radiopharmaceutical manufacturing. You will design, model, and optimize shielding, dose calculations, and regulatory readiness across multiple facilities and teams to ensure safe, compliant operations.

The role emphasizes Monte Carlo transport modeling, HPGe spectroscopy, and collaboration with Engineering, Manufacturing, Quality, and Regulatory Affairs to advance innovative cancer

Qualifications

• MS/PhD in Nuclear Engineering, Health Physics, Nuclear Physics, Medical Physics, or related field.
• Minimum 5 years of radiation engineering and shielding design experience.
• Proficient with MCNP or similar Monte Carlo transport software.
• Experience with shielding analyses and dose calculations.
• Strong written and verbal communication skills.
• Ability to collaborate across multidisciplinary teams.

Responsibilities

• Perform radiation shielding analyses and dose assessments.
• Develop and validate MCNP models for transport simulations.
• Support facility, hot cell, and radiological system design.
• Assist commissioning, qualification, and manufacturing readiness.
• Prepare calculations, reports, and engineering specifications.
• Evaluate radiation detection systems including HPGe spectroscopy.
• Contribute to design reviews and risk analyses.
• Support regulatory submissions and audits.
• Drive radiation safety and process improvements.

Skills

5+ years of radiation engineering

Strong analytical and problem-solving

Excellent technical writing

Cross-functional collaboration

Education

M.S. or Ph.D. in Nuclear Engineering or Health Physics

Tools

MCNP

MicroShield

SCALE

PHITS

FLUKA

Geant4

MAVRIC

Job description

Theragenics is seeking a Senior Nuclear Engineer/Health Physicist to lead radiation engineering efforts in radiopharmaceutical manufacturing. You will design, model, and optimize shielding, dose calculations, and regulatory readiness across multiple facilities and teams to ensure safe, compliant operations.

The role emphasizes Monte Carlo transport modeling, HPGe spectroscopy, and collaboration with Engineering, Manufacturing, Quality, and Regulatory Affairs to advance innovative cancer