Mechanical Engineer - NSSS Piping

Holtec International; Camden (NJ); On-site; USD 100,000 - 120,000; Full time

Job summary

A clean energy innovator in New Jersey is seeking detail-oriented piping engineers to support the design of nuclear piping systems. This role involves performing stress analysis using AutoPIPE, collaborating with cross-functional teams, and ensuring compliance with ASME standards. Candidates should have a Bachelor's in Mechanical Engineering and at least 5 years of relevant experience. The company offers a work environment focused on innovation and professional growth with a competitive salary range of $100,000–$120,000.

Qualifications

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

Responsibilities

• Perform piping stress analysis for nuclear systems using AutoPIPE.
• Evaluate pipe supports and interface with design teams.
• Develop and maintain piping design documentation.

Skills

Piping stress analysis

AutoPIPE

Team collaboration

Strong communication skills

Education

Bachelor’s degree in Mechanical Engineering

Tools

SmartPlant

Smart3D

GT STRUDL

PV Elite

ANSYS

Job description

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.