Senior Mechanical Engineer

Naval Nuclear Laboratory•Idaho Falls, ID

37d•Onsite

About The Position

Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy's submarines and aircraft carrier Fleets. Looking for a lifetime career? Apply today! Our Production Systems Engineering unit is seeking an experienced Mechanical Engineer to support and lead the development, planning, and execution of radiological mechanical systems throughout their full life cycle. In this role, you’ll research, design, verify, and develop mechanical and electromechanical equipment and fluid systems, recommending improvements that enhance safety, performance, efficiency, and cost. You may work in specialized areas such as thermal hydraulics, propulsion plant systems, component design, modeling and simulation, shock and vibration, acoustics, or structural analysis. Responsibilities include coordinating fabrication, installation, testing, operation, and maintenance activities, analyzing engineering problems using data‑driven methods, applying engineering standards, and preparing or reviewing technical documentation for system installation and operations.

Requirements

Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 6 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 4 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering or science field and a minimum of 1 year of relevant experience; or Currently a Senior Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company.

Nice To Haves

Experience with ventilation, HVAC, compressed air systems, and pump design
Proven project management expertise
Demonstrated ability to work independently, showing self‑reliance and strong motivation

Responsibilities

Support and lead the development, planning, and execution of radiological mechanical systems throughout their full life cycle.
Research, design, verify, and develop mechanical and electromechanical equipment and fluid systems.
Recommend improvements that enhance safety, performance, efficiency, and cost.
Coordinate fabrication, installation, testing, operation, and maintenance activities.
Analyze engineering problems using data‑driven methods.
Apply engineering standards.
Prepare or review technical documentation for system installation and operations.