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Rotordynamics Engineer

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Concepts NREC

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Location:
United States , White River Junction

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Category:
Research and Development

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Contract Type:
Not provided

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Salary:

100000.00 - 140000.00 USD / Year
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Job Description:

We are seeking a Rotordynamics Engineer to lead and support the analysis, design, validation, and troubleshooting of high-performance rotating machinery systems. This role spans the full product lifecycle—from early conceptual studies and trade analyses through detailed modeling, testing, field support, and root cause investigations. The ideal candidate has strong theoretical foundations in rotor dynamics, practical experience with real-world turbomachinery, and the ability to collaborate across aerodynamic, structural, mechanical, manufacturing, testing, and software development teams. Level and scope of responsibility will be adjusted based on experience.

Job Responsibility:

  • Conduct comprehensive rotordynamics analyses including: Lateral, torsional, and axial vibration studies
  • Critical speed maps and Campbell diagrams
  • Stability analysis and log decrement evaluation
  • Unbalance and forced response
  • Transient and steady-state simulations
  • Develop analytical and numerical models of rotor–bearing–seal systems using industry-standard and in-house tools
  • Analyze system sensitivity to bearing stiffness, damping, support flexibility, and operating conditions
  • Provide input on design of shafts, and support structures
  • Interface with clients to discuss analysis goals, required information, and project timeline
  • Assist in selecting appropriate bearing technology for various applications
  • Demonstrate understanding of advantages, limitations, and dynamic behavior of common turbomachinery bearing technologies
  • Assess seal dynamics and rotordynamic cross-coupling effects
  • Optimize bearing performance and system stability through detailed parametric analysis
  • Work with test engineers to: Define instrumentation and test plans
  • Support test execution
  • Correlate analytical predictions with measured data
  • Diagnose vibration, instability, and resonance issues in operating machinery
  • Conduct root cause analysis of machinery failures and propose corrective actions
  • Provide technical support during commissioning, troubleshooting, and maintenance
  • Contribute to internal methods development and best practices
  • Support commercial software development through: Formulating engineering problems
  • Researching state-of-the-art methods and modeling techniques
  • Performing validation and verification
  • Testing and documenting new functionality
  • Collaborate closely with software development teams to translate engineering needs into analytical capability
  • Prepare detailed technical reports, documentation, and presentations
  • Clearly communicate technical findings to internal teams and external customers
  • Contribute to proposal efforts and technical reviews as needed

Requirements:

  • B.S. or M.S. in Mechanical Engineering or closely related field
  • Strong fundamentals in rotordynamics, vibrations, and dynamics of rotating systems
  • Experience with rotordynamic analysis tools (e.g., DyRoBeS, XLTRC2, ARMD, or equivalent)
  • Experience correlating analytical models with experimental data
  • Be familiar with relevant industry standards (API, aerospace, energy sector requirements)
  • Strong problem-solving ability and engineering judgment
  • Excellent written and verbal communication skills

Nice to have:

  • Experience with high-speed turbomachinery (compressors, turbines, pumps, expanders)
  • Exposure to experimental testing, instrumentation, and data acquisition
  • Programming/scripting experience (MATLAB, Python, or similar)
  • Experience contributing to analysis method or software development

Additional Information:

Job Posted:
March 04, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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