Mechanical Engineer 4

This role performs design and stress analyses of pressure vessels, reactor vessel internals, and/or primary equipment supports in accordance with ASME BPVC Section III and applicable regulatory requirements. The Nuclear Steam Supply System (NSSS) Component Engineering organization develops technical requirements and design parameters for a modular advanced light water reactor (ALWR) NSSS.

Nuclear Component Analysis Mechanical Engineer
(ASME Section III / ANSYS) 

Position Summary

The Nuclear Steam Supply System (NSSS) Component Engineering organization develops technical requirements and design parameters for a modular advanced light water reactor (ALWR) NSSS. This role performs design and stress analyses of pressure vessels, reactor vessel internals, and/or primary equipment supports in accordance with ASME BPVC Section III and applicable regulatory requirements. Work is performed under ASME NQA-1 quality assurance requirements and relevant U.S. Nuclear Regulatory Commission (NRC) guidelines.

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Essential Duties & Responsibilities

• Apply strong working knowledge of engineering discipline principles and their practical application, including applicable nuclear industry codes, standards, and regulations.
• Perform and document component evaluations to ASME BPVC Section III, including (but not limited to):
  • Pressure and mechanical/thermal loading analysis
  • Primary stress
  • Primary + secondary stress intensity range
  • Fatigue evaluations
• Use evaluation results to optimize component design.
• Perform advanced finite element analyses using ANSYS; utilize CAD tools as needed.
• Interpret engineering scope and project requirements and execute analysis plans accordingly.
• Acquire, maintain, and develop required training qualifications.
• Provide guidance and mentoring to other staff in NSSS Component Analysis.
• Collaborate with other disciplines to coordinate design activities and resolve technical issues.
• Develop working knowledge of related engineering fields to support multi-disciplinary team execution.
• Provide technical direction to less experienced engineers; serve as a technical lead for the NSSS Component Analysis Group.
• Maintain responsibility for technical results, engineering oversight, and quality of deliverables.
• Perform other duties as assigned.

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Core Competencies

To perform successfully in this role, the individual must demonstrate the following:

Problem Solving

• Resolves problems efficiently; gathers and evaluates information appropriately.
• Develops solutions to complex problems requiring creativity and innovation.
• Operates independently while seeking input appropriately for sensitive/complex decisions.

Oral & Written Communication

• Communicates clearly and professionally in all situations.
• Creates, reads, and interprets complex technical documentation.
• Communicates technical concepts effectively with management and senior customer stakeholders.
• Builds strong cross-functional relationships and interpersonal networks.

Planning & Organizing

• Manages large projects with minimal oversight.
• Prioritizes tasks, tracks timelines and deadlines, and uses time effectively.

Leadership

• Leads project teams and drives accountability for results.

Adaptability

• Handles shifting priorities and competing demands; manages interruptions and delays effectively.

Dependability

• Consistently reliable, punctual, and responsive to leadership expectations; seeks feedback for improvement.

Team Building

• Builds trust and strong working relationships across teams.

Safety Culture

• Models safe behavior and influences peers to meet high safety standards.

Quality Assurance

• Demonstrates commitment to QA regulations/standards including 10 CFR 50 Appendix B, 10 CFR 21, and ASME NQA-1.

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Minimum Skills, Qualifications & Abilities

Education

• B.S. in Engineering (Mechanical Engineering preferred) from a 4-year ABET-accredited college or university (required).
• Advanced degree (preferred).
• Professional Engineer (P.E.) (preferred).

Experience

• 10+ years of full-time relevant engineering experience (required).
• Extensive experience using ANSYS to perform stress analysis in accordance with ASME BPVC Section III, Subsections NB, NG, and/or NF (required).

Desired / Additional Experience

• Seismic and/or dynamic analysis
• Programming/scripting (e.g., ANSYS APDL, MATLAB, Python)

Industry / Regulatory Requirement

• Must be eligible to work under DOE 10 CFR Part 810.

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Physical Demands

• Ability to communicate clearly via phone, in-person interaction, and computer use.
• Ability to learn new concepts quickly and apply them accurately in a fast-evolving environment.
• Ability to sit/stand/walk/bend frequently; use hands for office equipment; reach with hands/arms.
• Ability to travel locally and nationally using common transportation methods.

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Disclaimer

Employees must be able to perform the essential duties and responsibilities with or without reasonable accommodation efficiently and accurately, without posing a significant safety threat to themselves or others. This description reflects the general nature and level of work and is not an exhaustive list of responsibilities, duties, or skills.

** Johnson Service Group (JSG) is an Equal Opportunity Employer. JSG provides equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, marital status, protected veteran status, or any other characteristic protected by law.

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