Mechanical Engineer II - Nuclear

Holtec International • Winslow Township, NJ

45d • $100,000 - $120,000 • Onsite

About The Position

The Mechanical Engineer II – Nuclear Systems supports the analysis, design, and structural integrity assessment of mechanical components, including heat exchangers, condensers, and tanks, as well as reactor internals for advanced reactors, including small modular reactors (SMRs). The role combines expertise in stress analysis, fracture mechanics, fatigue evaluation, and regulatory compliance with multidisciplinary project execution. This position is based onsite in Camden, New Jersey.

Requirements

• Bachelor’s degree in Mechanical, Structural, or Aerospace Engineering; an MSE is preferred.
• 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, or Solidworks.
• Strong technical writing, communication, and collaboration skills.

Nice To Haves

• Professional Engineer (P.Eng. or PE) license.
• Experience with PWR or SMR reactor systems.
• Familiarity with ASME Section III Class 1, 2, and 3 component design and analysis.
• Familiarity with nuclear regulatory requirements, including 10 CFR 50 and NUREG-0800.
• Experience with seismic design and analysis of equipment.
• Eligibility to work under 10 CFR Part 810.
• Master of Science in Engineering (MSE).

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 such as ANSYS, LS-DYNA, MATLAB, and Mathcad.
• Perform fracture mechanics and fatigue life evaluations of metal structures.
• Ensure compliance with nuclear codes and standards, including ASME BPVC II/III/XI, ANSI/AISC N690, and 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 and contract compliance.
• Support fabrication, construction, and resolution of field issues.
• Respond to regulator requests for information in support of licensing activities.
• Mentor engineers and provide technical leadership to team members.

Benefits

• Medical, dental, and vision coverage with an employer premium contribution and Day 1 eligibility.
• Hybrid work opportunities for eligible roles where business needs and role requirements allow.
• 401(k) plan with up to a 5% company match and immediate vesting.
• Paid time off and 11 paid holidays.
• Wellness program with rewards for participation in company-supported health initiatives.
• Commuter benefits for mass transit and commuter parking.
• Company-paid life and AD&D insurance.
• Education assistance.
• Employee Assistance Program and optional benefits, including disability, legal, identity theft, and insurance programs.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level