Senior Pipe Stress Engineer at Holtec International
Location: Madrid, MD, ES.
Full time on site position offers great opportunities for career growth.
The Senior Piping Engineer leads the analysis, design, and structural integrity assessment of nuclear piping systems and reactor components for advanced reactors including SMRs.
This role combines deep technical expertise in piping stress analysis, fracture mechanics, and regulatory compliance with strong leadership in multidisciplinary project execution.
Location: Camden, NJ (On-site).
Important Eligibility Requirement: This position involves work subject to U.S. Department of Energy regulations under 10 CFR Part 810.
Candidates must be legally eligible to obtain authorization to work with certain nuclear technologies and technical information.
Eligibility will be evaluated as part of the hiring process.
Primary Responsibilities
Lead nuclear piping design and stress analysis for ASME Section III Class 1, 2, and 3 systems
Perform advanced fracture mechanics, fatigue, SCC crack growth, and fitness-for-service evaluations
Develop and implement methodologies such as Leak-Before-Break (LBB) and High Energy Line Break (HELB)
Conduct piping stress analysis using industry tools (AutoPIPE, ANSYS, ABAQUS, PIPESTRESS)
Analyze pipe supports per ASME NF and coordinate with support design teams
Develop and review engineering deliverables including stress reports, calculations, and line lists
Interface with Smart3D/SmartPlant models to resolve layout and flexibility issues
Ensure compliance with nuclear codes and standards (ASME BPVC III/XI, B31.1, B31.3, API-579, BS**)




Provide technical leadership in probabilistic fracture mechanics and risk-informed methodologies
Support fabrication, construction, and field issue resolution
Review vendor and supplier documentation for compliance
Lead R&D; programs and participate in benchmarking and regulatory initiatives
Develop proposals, schedules, and project budgets
Mentor engineers and lead multidisciplinary teams
Requirements
Bachelor's degree in Mechanical, Structural, or Nuclear Engineering (MSE/PhD strongly preferred)
15+ years of experience in nuclear piping analysis and component integrity
Extensive experience with ASME Section III Class 1, 2, 3 piping analysis
Expertise in fracture mechanics and structural integrity assessment
Experience with piping tools such as AutoPIPE and Smart3D environments
Knowledge of pipe support design and integration
Familiarity with nuclear regulatory requirements (US NRC, CSA, REGDOC)
Strong leadership, communication, and collaboration skills
Eligibility to work under 10 CFR Part 810
Preferred Qualifications
Professional Engineer (P.Eng. or PE) license
Experience with BWR, CANDU, or SMR reactor systems
Experience with probabilistic tools such as xLPR or PRAISEExperience using GT STRUDL, PV Elite, or similar tools
Advanced research background and publication record
Experience contributing to codes, standards, or industry working groups
Teaching, mentoring,



or academic collaboration experience
Company Culture
A Generation Ahead by Design Investing in people who power the future.
We believe great work deserves great rewards.
Our benefits go beyond the basics, reflecting our commitment to supporting your whole self... your health, your future, and your career growth.
This includes:
Compensation
Annual compensation based on skills and experience ranging from $145,000 to $165,000
Benefits
Industry-leading medical, dental, and vision coverage with a generous employer premium contribution and Day 1 eligibility
FLEX Program – Hybrid work opportunities available for eligible roles, where business needs and role requirements allow
401(k) retirement plan with up to a 5% company match and immediate vesting to support long-term financial security
Paid time off and 11 paid holidays to support rest, balance, and recharge
Wellness program offering rewards for participation in company-supported health initiatives
Commuter benefits supporting mass transit and commuter parking options
Company-paid life and AD&D; insurance for added peace of mind
Education assistance to support continued education and professional growth
Employee support and voluntary benefits, including an Employee Assistance Program and optional coverage such as disability, legal, identity theft, and insurance programs
Benefits eligibility and offerings may vary based on role, location, and employment status
If you're driven to solve meaningful challenges and make a lasting impact, we invite you to build your career at Holtec—a generation ahead by design.
#J-***-Ljbffr

📌 Senior Pipe Stress Engineer At Holtec International (Madrid)
🏢 Holtec International
📍 Madrid