Thermal-Hydraulics Test Engineer II

Thermal-Hydraulics Test Engineer II

Holtec International is seeking a Thermal-Hydraulics Test Engineer II to support validation of thermal-hydraulic performance for safety-related and non-safety-related systems as part of the SMR-300 design certification and commercialization effort. This role is integral to ensuring test programs accurately reflect design requirements and support regulatory and technical objectives. The Thermal-Hydraulics Test Engineer II works within a multidisciplinary engineering team to develop, execute, and document test programs.

This includes translating design and analysis requirements into test specifications, supporting test loop setup and execution, and delivering high-quality data packages to internal and external stakeholders.

Minimum required qualifications include:

• B.S. in Mechanical Engineering, Nuclear Engineering, Chemical Engineering, or closely related discipline
• 0–2 years of relevant laboratory or test engineering experience
• Experience interpreting engineering drawings and P&IDs
• Experience with data reduction, analysis, and visualization
• Experience working in a QA-controlled or safety-related environment
• Ability to support on-site testing, extended test campaigns, and occasional travel
• Ability to work with minimal direction to solve complex technical problems and provide timely recommendations
• Excellent technical writing, interpersonal, and communication skills

Additional desirable qualifications:

• M.S. in Mechanical Engineering, Nuclear Engineering, Chemical Engineering, or closely related discipline
• 3–5 years of relevant engineering experience, preferably in laboratory or test engineering environments
• Experience with test loop/facility setup, commissioning, and operation
• Proficiency with Python and/or MATLAB for data reduction and visualization
• Familiarity with instrumentation selection, calibration, and data acquisition systems
• NQA-1 quality assurance experience and knowledge of U.S. NRC licensing processes
• Experience developing test plans, procedures, reports, and design verification documentation
• Experience interacting directly with internal or external test sponsors

Specific areas of responsibility include:

• Develop test requirements based on SMR-300 design and analysis inputs
• Translate technical requirements into detailed test plans, procedures, and specifications
• Support design, setup, commissioning, and operation of thermal-hydraulic test loops and facilities
• Execute test programs, including on-site testing and extended test campaigns
• Ensure proper data acquisition, validation, and quality control in accordance with QA standards
• Perform data reduction, analysis, and visualization to support engineering conclusions
• Prepare comprehensive test reports and data packages for internal and external stakeholders
• Collaborate with cross-functional engineering teams to ensure alignment between testing and design objectives
• Interface with test sponsors to define requirements, communicate progress, and deliver results
• Ensure all testing activities comply with applicable safety, quality, and regulatory requirements
• Identify and resolve technical issues encountered during test planning and execution
• Support continuous improvement of test methods, tools, and processes

Salary Range: $105,000-$125,000 annually. Holtec International offers a competitive benefits package to eligible associates, which includes:
Medical, dental, and vision insurance 401(k) retirement plan with company match Paid time off and 9 Paid Holidays, 2 Floating Holidays Company-paid life and AD&D insurance Employee Assistance Program Wellness resources and voluntary benefits Training and educational assistance