Senior Nuclear Engineer & Health Physicist for Radiopharma

Theragenics Corp; Buford (GA); On-site; USD 120,000 - 180,000; Full time

Job summary

Theragenics Corp in Buford, GA seeks a Senior Nuclear Engineer / Health Physicist to lead radiation engineering for radiopharmaceutical manufacturing. You will design, model, and optimize shielding, perform dose assessments, and support regulatory readiness across engineering, manufacturing, and quality teams.

The role requires an MS or PhD in Nuclear Engineering or related field with 5+ years of experience, proficiency with MCNP or similar transport codes, and strong written communication.

Qualifications

• MS or PhD in Nuclear Engineering, Health Physics, Nuclear Physics, Medical Physics, or related field.
• 5+ years of experience in radiation engineering, shielding design, health physics, or nuclear engineering environments.
• Demonstrated proficiency with MCNP or equivalent Monte Carlo radiation transport software, including model development and results interpretation.
• Experience performing shielding analyses, source term development, and radiation dose calculations.
• Strong analytical and problem-solving skills; excellent technical writing and communication.

Responsibilities

• Perform radiation shielding analyses, dose assessments, and source term calculations.
• Develop, validate, and interpret Monte Carlo radiation transport models using MCNP or equivalent software.
• Support facility, hot cell, process equipment, and radiological system design activities.
• Provide radiation engineering expertise during commissioning, qualification, and manufacturing readiness initiatives.
• Prepare engineering calculations, technical reports, design specifications, and engineering standards.
• Evaluate and optimize radiation detection systems, including HPGe spectroscopy applications.
• Participate in design reviews, hazard analyses, and project risk assessments.
• Support regulatory submissions and provide technical expertise during inspections and audits.
• Collaborate with multidisciplinary teams to solve complex technical and operational challenges.
• Drive continuous improvement initiatives related to radiation safety, facility performance, and operational effectiveness.

Skills

MCNP proficiency

Radiation shielding design

Nuclear engineering

Health physics

Education

MS/PhD in Nuclear Engineering or Health Physics

Tools

MCNP

MicroShield

SCALE

PHITS

FLUKA

Geant4

MAVRIC

Job description

Theragenics Corp in Buford, GA seeks a Senior Nuclear Engineer / Health Physicist to lead radiation engineering for radiopharmaceutical manufacturing. You will design, model, and optimize shielding, perform dose assessments, and support regulatory readiness across engineering, manufacturing, and quality teams.

The role requires an MS or PhD in Nuclear Engineering or related field with 5+ years of experience, proficiency with MCNP or similar transport codes, and strong written communication.