Nuclear Engineer

Nuclear Engineer

Job Description

The Senior Health Physicist / Nuclear Engineer implements key elements of the Radiation Protection Program and provides expert radiological support across production, research and development, and project activities. This role focuses on minimizing personnel exposure to radiological hazards, ensuring strict compliance with applicable regulations and procedures, and supporting continuous improvement in radiation safety practices. The position requires advanced technical knowledge of radiation safety, regulatory requirements, and radiological analysis, as well as the ability to interpret data, lead projects, and train personnel.

Responsibilities

• Lead program functions and support groups that use radioactive materials, ensuring safe and compliant operations.

• Implement assigned elements of the Radiation Protection Program and maintain alignment with corporate and site policies.

• Maintain operational compliance with U.S. and international regulatory agencies and guidelines, including FDA, EU, Health Canada (HC), TGA, PIC/S, ISO, USP, NRC, and cGMP requirements.

• Inspect and audit operations involving the use of radioactive materials to verify adherence to regulatory requirements, permits, procedures, and internal policies.

• Recommend and implement corrective actions when inspections or audits identify nonconformances or opportunities for improvement.

• Develop and implement Radiological Work Permits for non-routine radiological activities, ensuring appropriate controls and monitoring are in place.

• Provide radiation safety support to assigned projects and lead radiation safety-related initiatives from planning through execution.

• Write clear and accurate technical reports to support regulatory compliance, internal documentation, and project deliverables.

• Serve as backup for Health Physics Technicians, performing their duties as needed to maintain continuous coverage.

• Conduct regular radiological surveys across site-wide facilities to verify compliance with regulatory and program requirements.

• Perform instrument calibrations, leak testing of radiation-emitting sources, and environmental sampling and analysis of radiological samples.

• Generate, organize, and maintain documentation and records in accordance with program and regulatory documentation requirements.

• Conduct radiological incident investigations, present findings to the Health Physics Manager or Radiation Safety Officer, and recommend and implement corrective actions where appropriate.

• Promote and implement safety programs to maintain a safe working environment through training, awareness initiatives, and consistent adherence to policies, programs, and procedures.

• Develop, implement, and periodically review Standard Operating Procedures related to the safe use of radioactive materials and regulatory compliance.

• Review proposed regulations and evaluate their potential impact on radiation protection programs and facility operations.

• Provide radiological support during emergency conditions and response activities, including off-hours support when required.

• Maintain ongoing compliance with federal, state, local, and industry radiation protection regulations and best practices.

• Perform similar and related duties as assigned to support overall radiation safety and program objectives.

Essential Skills

• Bachelor's degree or equivalent certification in radiation or physical sciences and at least 3 years of industry experience; or an Associate's degree or equivalent with at least 5 years of radiation monitoring experience; or an equivalent combination of education and experience that provides comparable knowledge, skills, and abilities.

• Demonstrated ability to work independently and cross-functionally with multiple teams and stakeholders.

• Strong interpersonal and communication skills, with the ability to convey complex technical information clearly.

• Advanced knowledge of radiation and health physics principles, including associated mathematics.

• Advanced knowledge of U.S. Nuclear Regulatory Commission (NRC) requirements and guidance and practical experience implementing them.

• Advanced knowledge of industry best practices for radiation safety and their implementation in operational environments.

• Experience with safety training and safety procedures related to radiation safety programs.

• Hands-on experience in radiation monitoring and radiation safety program implementation.

• Ability to conduct radiological surveys, instrument calibrations, leak tests, and environmental sampling and analysis.

• Ability to develop and implement Radiological Work Permits and Standard Operating Procedures.

• Capability to conduct audits, inspections, and incident investigations and to recommend effective corrective actions.

Additional Skills & Qualifications

• Certifications from the American Board of Health Physics or the National Registry of Radiation Protection Technicians are preferred but not required.

• Project management experience, including leading radiation safety-related projects.

• Laboratory experience in a radiological or related technical environment.

• Technical writing experience, particularly in preparing regulatory reports, procedures, and program documentation.

• Advanced knowledge of cyclotron operations and associated radiological controls.

• Advanced knowledge of sample collection and analysis techniques for NRC compliance.

• Experience supporting radiopharmaceutical production or similar regulated environments is advantageous.

• Experience reviewing and interpreting regulatory changes and assessing their impact on existing programs.

Work Environment

This role follows a standard schedule of Monday through Friday, 7:00 a.m. to 3:30 p.m., with the expectation of occasional support beyond normal work hours, including off-shift, weekend, night, and holiday coverage as business needs or radiological emergencies require.

Job Type & Location

This is a Permanent position based out of Maryland Heights, MO.

Pay and Benefits

The pay range for this position is $90000.00 - $100000.00/yr.

Medical, Dental, Vision, 401k

Workplace Type

This is a fully onsite position in Maryland Heights,MO.

Application Deadline

This position is anticipated to close on Jul 21, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.