Mechanical Engineer - NSSS Piping

Holtec International and its subsidiary companies are designing an unfailingly safe and secure source of clean energy using nuclear fission, called the SMR-300 small modular reactor. The position is offered by SMR LLC, a member of the Holtec International family — a global turnkey supplier of equipment and systems for the nuclear, solar, geothermal, and fossil power generation sectors of the energy industry. Come join a growing multidisciplinary team of designers and engineers working on the next-generation nuclear power plant.

We are seeking detail-oriented and driven piping engineers to join our team. The piping engineer will be responsible for supporting the analysis and design of Class 1, 2, and 3 piping systems, ensuring their compliance with ASME Section III and project requirements. This role requires strong technical skills in piping stress analysis, experience using AutoPIPE and SmartPlant/Smart3D, and the ability to collaborate across design and analysis teams.

Specific Areas of Responsibility:

· Perform piping stress analysis for nuclear systems using AutoPIPE in accordance with ASME Section III requirements (NC/ND).

· Evaluate pipe supports and interface with support design teams to ensure proper integration and structural adequacy.

· Develop and maintain piping design documentation, including stress reports, isometrics, and line lists.

· Support Smart3D piping modeling and resolve layout/stress interface issues.

· Coordinate with structural, mechanical, and systems engineering teams to resolve design and analysis issues.

· Support resolution of fabrication and construction-related queries related to piping systems.

· Assist in reviewing supplier documents and interfacing with vendors as needed.

· Ensure quality and completeness of work in accordance with internal procedures and applicable codes and standards.

Minimum Qualifications:

· Bachelor’s degree in Mechanical Engineering or a related field.

· Minimum of 5 years of experience in piping analysis in the nuclear or related regulated industry.

· Direct experience performing ASME Section III Class 1/2/3 piping analysis.

· Experience with non-Section III piping codes such as ASME B31.1 or similar.

· Proficiency with AutoPIPE.

· Experience working in SmartPlant or Smart3D environments.

· Strong verbal and written communication skills.

· Ability to work in a team environment with cross-functional coordination.

· Eligible to work under 10 CFR Part 810.

Preferred Qualifications:

· Familiarity with U.S. NRC regulations for nuclear design and construction.

· Working knowledge of pipe support design principles and integration with analysis.

· Experience with other tools such as GT STRUDL, PV Elite, and/or ANSYS.

· Advanced engineering degree.

Salary range: $100,000.00-$120,000.00 

As a technology trailblazer and a prominent innovator in the clean energy industry, Holtec International fosters a meritocratic work environment conducive to continuous learning and professional growth. Holtec is an equal opportunity employer with a long-standing commitment to social equity and environmental justice. The company gives special preference to disabled veterans as a part of its recruitment policy. Detailed information on the company can be obtained by consulting the website: http://www.holtecinternational.com. Candidates interested in pursuing a career at Holtec should submit their resume along with at least three references.