Contractor - Senior Mechanical Engineer

Jobtome; Corvallis (OR); Remote; USD 103,000 - 117,000; Full time

Job summary

Johnson Service Group (JSG) is recruiting a Contractor Senior Mechanical Engineer for NSSS Vessels and Structures. Work remotely within the contiguous United States with travel as needed; 40 hours per week on a contract through mid-2027.

Responsibilities include design and stress analyses per ASME Section III, mentoring staff, and ensuring compliance with NQA-1 and NRC guidelines. Qualifications include a BS in Engineering (ME preferred), 10+ years of experience with ANSYS, CAD, and FE analysis;

Qualifications

• BS in Engineering, preferably Mechanical, ABET-accredited; advanced degree preferred.
• At least 10 years of full-time relevant experience with ANSYS stress analysis per ASME Section III.
• Proficiency in ANSYS APDL, MATLAB and Python; PE certification preferred.

Responsibilities

• Perform design and stress analyses of pressure vessels and primary equipment supports per ASME BPVC Section III.
• Lead NSSS Component Analysis, mentor staff, and provide technical direction.
• Coordinate with multi-disciplinary teams to resolve design and regulatory challenges.

Skills

ANSYS

Stress analysis

CAD

ASME III Analysis

Education

PE certification

Tools

ANSYS Workbench

MATLAB

Python

Job description

Johnson Service Group (JSG) is a professional staffing firm, and we are recruiting a Contractor Senior Mechanical Engineer within its Nuclear Steam Supply System (NSSS) Vessels and Structures division. This role offers the opportunity to join one of the industry leaders in developing small modular reactor (SMR) technology and deploying next‑generation Advanced Light Water Reactors (ALWR) as they advance from design to plant implementation. Location: This position allows the work to be performed REMOTELY within the contiguous United States, with travel as required for business needs. Hourly rate range: $75.00 - $85.00 p/h (DOE) Citizen Status: Due to Federal DOE regulations, U.S. Citizenship or Permanent Resident is required Eligibility: Eligible to work under Department of Energy 10 CFR Part 810 Travel: 10-25% Duration/Hours: This is a 40 hour/week contract position anticipated to last through mid-2027.

POSITION SUMMARY

The Nuclear Steam Supply System (NSSS) Component Engineering organization generates technical requirements and associated design parameters for the modular advanced light water reactor (ALWR) NSSS. Utilizing proven state‑of‑the‑art methodologies, NSSS components are engineered to nuclear industry standards. The person in this position performs design and stress analyses of pressure vessels and/or primary equipment supports in accordance with ASME BPVC Section III and applicable regulatory requirements. All work within the NSSS Component Engineering organization is completed under ASME NQA-1 quality assurance requirements and respective U.S. Nuclear Regulatory Commission guidelines.

ESSENTIAL DUTIES AND RESPONSIBILITIES

Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes, standards, and regulations. Performs and documents evaluations of components to the rules and requirements of Section III of the ASME Boiler and Pressure Vessel Code, including but not limited to analysis of components for pressure, mechanical/thermal loadings, including Primary Stress plus Secondary stress intensity range, and Fatigue. Utilizes the results from these evaluations to optimize component(s) design. Significant experience with ANSYS finite element software and CAD packages. Interprets scope and project requirements. Acquires, maintains, and develops training qualifications. Provides guidance and mentoring to other staff members in all areas of NSSS Component Analysis. Interacts with co‑workers and other disciplines to promote effective coordination of design activities and resolution of technical problems. Individuals should be interested in acquiring general knowledge of principles and practices of related fields to function on multi‑disciplinary teams. Provides mentoring and technical direction to less experienced engineers. Serves as a technical lead for the NSSS Component Analysis Group. Responsible for results and engineering oversight. Performs other duties as assigned.

MINIMUM SKILLS, QUALIFICATIONS AND ABILITIES

Education: A minimum of a B.S. degree in Engineering, preferably Mechanical Engineering, from a four‑year ABET‑accredited college or university is required. An advanced degree is preferred. A professional engineer (P.E.) certification is preferred. Experience: A minimum of 10 years of full‑time relevant working experience is required. Candidates must have extensive experience utilizing ANSYS to perform stress analysis in accordance with Section III of the ASME Boiler and Pressure Vessel Code, Subsections NB and/or NF. Additional experience in the following areas is desired: Computer programming skills (e.G., ANSYS APDL, MATLAB, Python). Must have expertise in ASME Section III Analysis with ANSYS Workbench. Industry Requirements: Eligible to work under Department of Energy 10 CFR Part 810.

CORE COMPETENCIES

Problem solving: Identifies and resolves problems on time, gathers and reviews information appropriately. Develops resolutions to complex problems that require the frequent use of creativity and innovation. Uses own judgment and acts independently; seeks input from other team members as appropriate for complex or sensitive situations. Oral/written communication: Listens carefully and speaks clearly and professionally in all situations. Edits work for accuracy and clarity; is able to create, read, and interpret complex written information. Communicates technical information effectively with management and senior customer stakeholders to coordinate cross?organizational activities and gain cooperation. Ability to develop strong interpersonal networks within the organization. Planning/organizing: Able to manage large projects and complete tasks with minimal oversight from leadership. Prioritizes and plans work activities, organizes personal and project timelines and deadlines, tracks project timelines and deadlines, and uses time efficiently. Leadership: Often leads to cooperative effort among members of a project team with responsibility for results. Adaptability: Adapts to changes in the work environment, manages competing demands and can deal with frequent interruptions, changes, delays, or unexpected events. Dependability: Consistently on time, responds to management expectations and solicits feedback to improve performance. Team Building: Capable of developing strong interpersonal networks and trust within the organization. Safety Culture: Adheres to the company’s Safety culture and is expected to model safe behavior and influence peers to meet high standards. Quality Assurance: Commits to the understanding and implementation of quality assurance regulations, standards, and guidelines of 10 CFR 50 Appendix B, 10 CFR 21, and ASME NQA-1.

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. Ability to understand and communicate clearly using a phone, personal interaction, and computers. Ability to learn new job functions and comprehend and understand new concepts quickly and apply them accurately in a rapidly evolving environment. The employee is frequently required to sit and stand; walk; bend; use hands to operate office equipment; and reach with hands and arms. Ability to travel nationally and locally using common forms of transportation.

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. #D305