Rotordynamics Engineer - Mechanical Engineer

Napakiak Ventures; Oak Ridge (TN); On-site; USD 120,000 - 180,000; Full time

Job summary

Napakiak Environmental and Construction (NEC) seeks a Rotordynamics Development and Testing Engineer to lead innovation and testing for UF6 centrifuge production. You will oversee pilots, analytics, and robust testing protocols to ensure high-precision rotor performance.

The role requires advanced rotordynamics knowledge, DSP expertise, and strong software skills (Python/C++/MATLAB), with a track record in evaluating high‑speed rotating systems.

Qualifications

• Must have strong rotordynamics expertise and problem-solving in high-speed systems.
• Experience with dynamic testing methodologies and validations.
• Proficient in DSP concepts and data acquisition for high‑speed measurements.

Responsibilities

• Lead rotordynamics innovation for centrifuge manufacturing and design.
• Conduct experiments and model-based simulations to resolve complex rotordynamics issues.
• Design and guide advanced test systems with data acquisition and signal processing.
• Perform dynamic testing for system balancing and modal analysis using various methods.
• Lead independent engineering projects and document findings for stakeholders.
• Prepare comprehensive engineering reports detailing testing protocols and results.

Skills

Rotordynamics

Dynamic testing

DSP

Python

C++

MATLAB

FEA

Education

BS Mechanical Engineering

MS Mechanical Engineering

Tools

ANSYS

Job description

Company Overview

Napakiak Environmental and Construction (NEC) is a leading provider of information technology, technology development, and environmental and construction services, specializing in Federal and Commercial projects. The company is committed to delivering high‑quality solutions that meet stringent regulatory standards and client requirements.

Position Overview

The Rotordynamics Development and Testing Engineer will spearhead engineering process innovation and rigorous testing activities to support the manufacturing of gas centrifuges for UF6 enrichment. This role demands a proven background in rotordynamics and dynamic testing, coupled with expertise in signal processing and software development. The ideal candidate will adeptly follow established engineering protocols while driving new methodologies for enhanced centrifuge design and production.

Key Responsibilities

• Serve as the resident expert on rotordynamics, leveraging current methodologies and developing avant‑garde techniques to optimise centrifuge manufacturing and design processes.
• Champion both experimental investigations and model‑based simulations to resolve complex rotordynamics challenges, ensuring design robustness and operational efficiency.
• Architect and guide the construction of advanced test systems, encompassing state‑of‑the‑art data acquisition, digital signal processing architectures, and high‑speed signal analysis to capture critical performance metrics.
• Lead initiatives in dynamic testing for system balancing, utilizing a spectrum of techniques — from traditional influence coefficient methods to comprehensive experimental modal analysis and innovative hybrid approaches.
• Independently execute sophisticated engineering projects, making informed decisions that reflect a deep understanding of underlying principles and industry best practices.
• Prepare, document, and present both routine and in‑depth engineering reports, ensuring clear communication of testing protocols, results, and recommendations to key stakeholders.

Minimum Qualifications

• Bachelor of Science in Mechanical Engineering with 10 years of relevant experience, or a Master’s degree in Mechanical Engineering with 5 years of targeted industry experience.
• Demonstrated expertise in one or more of the following areas:
• Rotordynamics and associated problem‑solving techniques
• Dynamic testing methodologies in high‑speed systems
• Advanced digital signal processing (DSP) methods
• Software development using languages and tools such as Python, C++, MATLAB, etc.
• Finite Element Analysis (FEA) using platforms like ANSYS
• Must be eligible to obtain a DOE Q Clearance.

Preferred Qualifications

• Advanced degrees (Master of Science or higher) in Mechanical Engineering.
• Candidates with extensive hands‑on experience in the field and a proven track record of leading complex engineering projects will be favored.
• Possession of an active DOE Q Clearance is an added advantage.

This role represents a unique opportunity to lead cutting‑edge rotordynamic initiatives and contribute directly to the next generation of advanced UF6 enrichment technology.

Napakiak Environmental and Construction (NEC) is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.