Mechanical Engineer II: Nuclear Systems (Stress & Integrity)

Holtec International; Camden (NJ); On-site; USD 100,000 - 135,000; Full time

Benefits offered by this job

Health insurance

401(k) retirement plan with company 5%

Hybrid work opportunities

Job summary

Holtec International in Camden, NJ seeks a Mechanical Engineer II – Nuclear Systems to analyze, design, and assess mechanical components and reactor internals for advanced reactors including SMRs. You will perform stress analysis, fatigue evaluations, and ensure regulatory compliance across multidisciplinary projects.

The role requires knowledge of ASME III, performance of structural analyses, and collaboration with design, fabrication, and licensing teams.

Qualifications

• Bachelor’s degree in Mechanical, Structural, or Aerospace Engineering (MSE preferred)
• Eligibility to work under 10 CFR Part 810
• 5–7 years of experience in mechanical design analysis and component integrity
• Knowledge of material degradation mechanisms including brittle fracture and fatigue
• Experience with numerical modeling and simulation tools such as ANSYS, LS-DYNA, SolidWorks
• Strong technical writing, communication, and collaboration skills

Responsibilities

• Perform mechanical design and stress analysis for ASME Section III Class 1, 2, and 3 components and supports
• Conduct detailed stress analysis using industry tools (ANSYS, LS-DYNA, MATLAB, Mathcad)
• Perform fracture mechanics and fatigue life evaluations of metal structures
• Ensure compliance with nuclear codes and standards (ASME BPVC II/III/XI, ANSI/AISC N690, ANSI N14.6)
• Develop and review engineering deliverables including stress reports, design calculations, and fitness-for-service evaluations
• Review vendor reports for technical acceptance and regulatory/contract compliance
• Support fabrication, construction, and field issue resolution
• Respond to regulator requests for information in support of licensing activities
• Mentor engineers and provide technical leadership to other team members

Skills

Stress analysis

Fracture mechanics

Fatigue evaluation

Regulatory compliance

Technical writing

Education

Bachelor’s degree in Mechanical/Structural/Aerospace Engineering

Tools

ANSYS

LS-DYNA

SolidWorks

MATLAB

Mathcad

Job description

Holtec International in Camden, NJ seeks a Mechanical Engineer II – Nuclear Systems to analyze, design, and assess mechanical components and reactor internals for advanced reactors including SMRs. You will perform stress analysis, fatigue evaluations, and ensure regulatory compliance across multidisciplinary projects.

The role requires knowledge of ASME III, performance of structural analyses, and collaboration with design, fabrication, and licensing teams.