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STS Accelerator Systems Mechanical Engineer

Date: Sep 12, 2022

Location: Oak Ridge, TN, US, 37380

Company: Oak Ridge National Laboratory

Requisition Id 9021 


We are seeking a Mechanical Engineer who will focus on the mechanical design and integration of beam transport line sub-systems for the Second Target Station (STS) project.  This position resides in the Accelerator Systems group in the STS Directorate at Oak Ridge National Laboratory (ORNL).  


The STS is a >$1Billion, Department of Energy project to be constructed at the ORNL Spallation Neutron Source (SNS).  The STS will provide wholly new capabilities for the study of a broad range of materials with neutron scattering and support thousands of users from the physical, materials, and applied sciences and industry. The science capabilities provided by the instrument suite at the STS will complement those of the two existing DOE Office of Science neutron scattering user facilities at ORNL, the First Accelerator Station (FTS) of the SNS and the High Flux Isotope Reactor (HFIR). The STS will deliver the highest peak brightness of cold neutrons in the world, which together with advances in neutron optics, instrumentation, and detectors, will ensure US leadership in neutron scattering for decades to come.


The STS Accelerator Systems group is responsible for the design, fabrication, installation, and testing of all hardware necessary to transport the 700 kW, 15 Hz proton beam to a rotating tungsten target, to create 22 beams of moderated neutrons.


Major Duties/Responsibilities: 

    • Work with Accelerator Systems mechanical and electrical engineers and designers to develop beamline assembly and component design packages as assigned
    • Provide direction to designers in the development and documentation of mechanical design solutions for beamline components and assemblies, including magnet systems, beam instrumentation, vacuum systems and process systems
    • Collaborate with Neutron Science Directorate (NScD) operations to ensure operations requirements are captured
    • Ensure traceability between operations requirements, accelerator requirements, design features and design verification test plans
    • Lead and participate in design reviews and drive peer review of designs within the accelerator systems scope
    • Draft, track, review, and manage the following project document types:
      • Interface control documents describing the interfaces between the assigned Accelerator Systems scope and technical scope in conventional facilities, the rest of the Accelerator Systems scope and integrated control systems
      • Requirements definition documents
      • Design and Analysis Calculations (DACs)
      • Hardware drawings
      • Technical Specifications
      • Design Failure Modes & Effects Analyses (DFMEAs) and Fault Trees
      • Hazard analyses
      • Statements of Work
      • Installation Plans
      • Test Plans
    • Deliver assigned work packages to meet the project schedule
    • Ensure compliance with Environment, Safety and Health (ES&H) and QA requirements
    • Ensure that the Scope of Work on project procurements is technically complete and integrated with cost and schedule requirements
    • Develop strong working relationships across the project with Control Account Managers, line managers, vendors, sponsors, and project support organizations including ES&H, QA, procurement, business, project controls, and human resources
    • Represent the STS Project by participating in and presenting project information at reviews, conferences and workshops


Basic Qualifications:

  • BS in Mechanical Engineering or related discipline
  • A minimum of three years of experience in applicable engineering work
  • Experience working within multidisciplinary technical teams
  • Proficient in the use of CAD systems such as Creo/Pro-E, Solidworks, AutoCAD
  • Working knowledge of GD&T and drafting standards
  • Proficient in stress calculations
  • Understanding of finite element analysis concepts
  • Excellent written and oral communication skills
  • Motivated self-starter with the ability to work independently and to participate creatively in collaborative teams across the project and with NScD operations
  • Ability to function well in a fast-paced environment, set priorities to accomplish multiple tasks within deadlines, and adapt to ever changing needs


Preferred Qualifications:

  • Demonstrated ability to communicate design concepts
  • Demonstrated ability to quickly grasp, prioritize and analyze complex technical problems
  • Experience with directing designers in the creation of engineering drawings and checking designer output
  • Working level proficiency in Creo CAD software and Windchill Project Lifecycle Management software
  • Proficient in the use of Ansys Mechanical Finite Element Analysis software
  • Experience with Project Lifecycle Management systems for documentation control
  • Experienced in working with vendors to procure custom capital equipment
  • Demonstrated project management skills


 Relocation:  Moving can be overwhelming and expensive. UT-Battelle offers a generous relocation package to ease the transition process. Domestic and international relocation assistance is available for certain positions. If invited to interview, be sure to ask your Recruiter (Talent Acquisition Partner) for details.
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This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

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ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply.  UT-Battelle is an E-Verify employer.

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