Senior Nuclear Shielding Engineer: Radiation Design & Licensing

Holtec International; Almondsbury; Hybrid; GBP 95,000 - 130,000; Full time

Benefits offered by this job

Private health insurance

25 days annual leave

Hybrid work opportunities

Education assistance

Employer matched pension

Life insurance

Enhanced maternity/paternity benefits

Job summary

Holtec International is seeking a Senior Nuclear Radiation Shielding Engineer to support SMR-300 design, analysis, and licensing. The role involves hands-on technical work, developing source terms, optimizing shielding, and preparing regulatory documentation.

You will mentor junior staff, benchmark models against data, and coordinate with internal teams and regulatory bodies to ensure defensible radiological analyses. Hybrid work options apply in Almondsbury area.

Qualifications

• Demonstrated experience in radiation shielding design and source term development.

Responsibilities

• Develop radiation source terms for normal operation and postulated accidents.
• Perform radiation transport analyses to evaluate dose rates in plant systems.
• Design and optimize radiation shielding to meet occupational exposure limits.
• Prepare licensing documentation and participate in regulatory reviews.
• Mentor junior engineers in analysis techniques and documentation.

Skills

Radiation shielding design

Source term development

Dose assessment

Regulatory compliance

Python scripting

Technical writing

Education

Bachelor's degree in Nuclear Engineering/Physics

Master's degree with 8+ years

PhD with 6+ years

Tools

MCNP

SCALE

ADVANTG

GALE

ARCON96

RADTRAD

Job description

Holtec International is seeking a Senior Nuclear Radiation Shielding Engineer to support SMR-300 design, analysis, and licensing. The role involves hands-on technical work, developing source terms, optimizing shielding, and preparing regulatory documentation.

You will mentor junior staff, benchmark models against data, and coordinate with internal teams and regulatory bodies to ensure defensible radiological analyses. Hybrid work options apply in Almondsbury area.