Nuclear Pipe Stress Engineer: Advanced Analysis & Integrity

SI Solutions, LLC; Oregon; Hybrid; USD 90,000 - 154,000; Full time

Job summary

Structural Integrity Associates, Inc. is seeking a Pipe Stress Analysis Engineer to design, analyze, and evaluate piping systems per ASME III/Division 1 and B31 codes.

You will perform and review stress, fatigue, flexibility, and dynamic analyses to support operating plant assessments, license renewals, uprates, and legacy conversions in a nuclear-focused business unit. The role requires strong analytical skills, attention to detail, and the ability to work with cross-functional teams.

Qualifications

• B.S. in Mechanical or Civil Engineering; M.S. preferred.
• 3 to 10 years of experience performing piping stress, flexibility, fatigue, or dynamic analysis.
• Working knowledge of ASME Section III, Division 1 piping design and analysis rules.
• Proficiency with one or more piping analysis programs (AutoPIPE, CAESAR II, PIPESTRESS, ANSYS).
• Ability to interpret, verify, and clearly communicate complex analysis results.

Responsibilities

• Perform and review piping stress, flexibility, fatigue, and support-load analyses per ASME Section III and B31 standards.
• Develop and evaluate load cases for pressure, weight, thermal expansion, seismic, and other loads.
• Build and troubleshoot piping models using commercial and legacy software.
• Evaluate piping flexibility, nozzle loads, supports, and fatigue life.
• Prepare calculation packages, reports, and engineering justifications.
• Support failure evaluations, wall-thinning assessments, and fitness-for-service analyses.

Skills

Piping stress analysis

ASME code knowledge

Finite element analysis

Effective communication

Independent work

Education

B.S. Mechanical or Civil Engineering

M.S. preferred

Tools

AutoPIPE

CAESAR II

PIPESTRESS

ME101

ANSYS

Job description

Structural Integrity Associates, Inc. is seeking a Pipe Stress Analysis Engineer to design, analyze, and evaluate piping systems per ASME III/Division 1 and B31 codes.

You will perform and review stress, fatigue, flexibility, and dynamic analyses to support operating plant assessments, license renewals, uprates, and legacy conversions in a nuclear-focused business unit. The role requires strong analytical skills, attention to detail, and the ability to work with cross-functional teams.