Principal Mechanical Design Engineer

Rotor Dynamics EngineerLocation: Phoenix, AZ 85034Employment Type: W2 Contract – Approximately 9 Months with the Possibility of ExtensionPay Rate: $83.00 – $95.00/hour (determined by experience)Shift: DaysWork Model: OnsiteRole OverviewBEPC is seeking an experienced Rotor Dynamics Engineer to support our client’s aerospace engineering operations in Phoenix, AZ. This senior-level position focuses on rotor dynamics, structural analysis, and mechanical design of complex rotating systems used in aerospace applications, including fans, compressors, turbines, shafts, and jet engine components.The ideal candidate will have extensive rotor dynamics experience and advanced proficiency with FEA tools and techniques. This role requires the ability to analyze vibration, stability, critical speeds, and dynamic behavior of rotating systems while providing technical leadership across complex aerospace engineering programs.Key ResponsibilitiesPerform advanced rotor dynamics and shafting structural analyses for aerospace rotating systems.Analyze vibration, stability, and dynamic behavior of fans, compressors, turbines, shafts, and related rotating components.Predict critical speeds and evaluate rotating system performance across operating speed ranges.Develop and interpret whirl speed maps and Campbell diagrams.Analyze displacement, forces, and moments resulting from rotor imbalance.Perform finite element analysis using ANSYS APDL and/or ANSYS Workbench.Apply 1D beam-based FEA techniques to rotor and shafting analyses.Support complex mechanical component and system design activities.Evaluate engineering risks and recommend appropriate design solutions.Lead technical and mechanical design reviews.Conduct engineering risk assessments and support resolution of complex technical issues.Collaborate with multidisciplinary engineering teams throughout design and development activities.Provide technical leadership and mentorship to engineering team members.Support mechanical design projects throughout the aerospace product development lifecycle.QualificationsBachelor’s or Master’s degree in Mechanical Engineering or a related technical field.Extensive rotor dynamics experience within aerospace or a related industry.Strong experience analyzing rotating systems such as fans, compressors, turbines, and shafts.Experience predicting critical speeds and developing whirl speed maps or Campbell diagrams.Experience predicting displacement, forces, and moments resulting from imbalance.Proficiency with ANSYS APDL and/or ANSYS Workbench.Proficiency with 1D beam-based finite element analysis techniques.Strong experience with rotor dynamics and shafting structural analysis.Ability to lead engineering design reviews and conduct risk assessments.Proven leadership experience supporting complex aerospace mechanical design projects.Strong problem-solving skills and attention to detail.Experience mentoring or providing technical direction to engineering teams.Familiarity with systems engineering and cross-disciplinary collaboration preferred.Experience with Product Lifecycle Management (PLM) tools and aerospace certification processes preferred.Knowledge of aerospace materials, manufacturing processes, AS9100, and MIL-STD requirements preferred.Experience with design for manufacturability, tolerance analysis, and mechanical testing methodologies preferred.About BEPCBEPC Inc., founded in 2007, is a 100% employee-owned company providing top-tier consulting and staffing solutions across industries like technology, engineering, manufacturing, and project management. At BEPC, we are driven by innovation and a commitment to excellence. We take pride in fostering a collaborative and innovative environment where our team members thrive. With competitive benefits, including medical, dental, vision, and life insurance, BEPC is dedicated to supporting our employees' personal and professional growth.