2 principal structural engineer jobs found

Join us to shape communities, collaborate with passionate professionals, and grow with a company that invests in your success, where you're not just an Employee but an Owner. About Our Firm Since 1968, NTH Consultants, Ltd. has been a critical part of the infrastructure engineering and environmental services that strengthen our communities and protect our ecosystem. From geotechnical engineering and environmental consulting to structural design, electrical power engineering, construction management, and beyond, we provide solutions that support the success and sustainability of projects. When you join NTH, you'll gain more than a job- you'll become part of a team that values your career, your growth, and your life. We are committed to providing a flexible and supportive environment, professional development opportunities, and a vibrant culture that celebrates collaboration and innovation. Our culture is built on accountability, ownership, inclusion, integrity, safety, and...

The Principal Engineer for Ball Screw Design & Development serves as the technical authority for precision ball screw mechanisms used in aerospace, defense, medical, and industrial applications. This role owns the design architecture, analytical approach, materials selection, manufacturing methods, and validation strategy of new ball screw products. The Principal Engineer provides deep subject-matter expertise, leads complex development efforts, and mentors engineering teams to ensure product performance, reliability, and manufacturability. Major Responsibilities: Lead the design, development, and analysis of ball screw assemblies, including screw shafts, nuts, return systems, recirculation mechanisms, and drive interfaces. Define ball screw geometry, preload strategy, lead accuracy, life requirements, and lubrication approaches based on system needs and environmental constraints. Perform detailed analytical modeling: load distribution, Hertzian contact stress, fatigue...