[Remote] Senior Mechanical Engineer ASME Lead

Note: The job is a remote job and is open to candidates in USA. Hansell Tierney is an advanced energy technology organization developing next-generation reactor systems and highly engineered nuclear components. The Senior Mechanical Engineer ASME Lead will provide technical leadership for the design, analysis, certification, and code compliance of pressure-retaining components and reactor systems within a highly regulated engineering environment.

Responsibilities

• Perform detailed design, analysis, and documentation activities for ASME Section III Class HB pressure boundaries and Class HG internals
• Develop and maintain design specifications, calculations, load evaluations, and qualification reports in accordance with ASME Section III requirements
• Prepare, review, and certify Design Specifications (DS), Design Reports (DR), and engineering design packages for nuclear pressure-retaining components
• Perform or review finite element stress analyses and mechanical calculations to ensure design integrity and code compliance
• Utilize commercial stress analysis tools, including ANSYS, to evaluate complex engineered systems
• Collaborate with multidisciplinary engineering teams to establish design requirements and resolve technical challenges
• Support material selection, fabrication requirements, inspection criteria, and acceptance standards for nuclear components
• Interface with quality organizations, third-party reviewers, Authorized Nuclear Inspectors, and regulatory stakeholders during audits, reviews, and certification activities
• Participate in engineering change processes, nonconformance evaluations, and corrective action development
• Maintain knowledge of ASME Section III revisions, NRC guidance, and applicable industry standards
• Provide technical mentorship and guidance to engineers across multiple disciplines
• Support licensing, compliance, and customer deliverables related to pressure-retaining equipment and reactor systems

Skills

• Bachelor's degree in Mechanical Engineering or equivalent technical discipline
• Minimum of 10 years of equipment and component design experience (relevant Master's degree may substitute for two years of experience)
• Active Professional Engineer (P.E.) license
• Working experience with ASME Boiler and Pressure Vessel Code Section III
• Demonstrated experience certifying Design Specifications and Design Reports for nuclear pressure-retaining components
• Deep understanding of ASME Section III, NQA-1 quality requirements, and applicable NRC regulations
• Experience performing finite element stress analysis and mechanical analysis for complex engineered systems
• Proficiency with commercial stress analysis tools, particularly ANSYS
• Strong analytical, problem-solving, technical writing, and communication skills
• Ability to work effectively within multidisciplinary engineering teams in highly regulated environments
• Experience supporting advanced reactor, nuclear energy, or other highly regulated engineering programs
• Experience leading code compliance reviews and interacting with regulatory bodies or Authorized Nuclear Inspectors
• Knowledge of component qualification, structural integrity assessments, and lifecycle management for pressure-retaining equipment
• Experience mentoring engineers and providing technical leadership across multidisciplinary teams
• Experience supporting licensing activities and regulatory submittals

Benefits

• Benefits available to eligible employees or consultants may include medical, dental, and vision insurance
• Paid sick leave
• Retirement savings plans
• Paid time off
• Other employer-sponsored programs

Company Overview