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Mechanical Designer  Oak Ridge, TN  Posted: 9/12/2023
Job Description

Job ID#:


Job Category:


Position Type:



1 Year w/ Opt

Positions Available:



EGS is seeking a Specialty Mechanical Designer to join our team at the Y-12 National Security Complex in Oak Ridge, TN, which provides integral mission support to the NNSA.


This position is full-time and will serve the Y-12 National Security Complex in Oak Ridge, TN.



Specialty Mechanical Designers will produce 3D equipment models and build to print fabrication packages for specialty and first of a kind equipment utilizing CREO 3D CAD software Equipment examples include gloveboxes, furnaces, high vacuum systems, gas transfer/analysis systems, process skids, metal casting, and machining equipment. This position is for a designer with machine/equipment design experience, and not strictly drafting support.

To be successful in this position, applicants should have experience and future career interests in the following skills/subject areas:



  • Create part/assembly models and drawings using CREO Parametric and Windchill PDM
  • Produce a variety of design outputs including but not limited to interface control drawings, build-to-print fabrication drawings, and bills of materials.
    • Consistent application of product numbering, assembly/drawing structure, and drawing numbers
    • Use of drafting standards such as ASME Y14.100 or the Drawing Requirements Manual
    • Application of ASME Y14.5 for dimensional tolerances and inspection criteria
    • Tolerance stack-up and error analysis calculations
  • Ensure design outputs are of sufficient detail for use by the end user/design requestor.
  • Select materials and library components which are compatible with corrosive gases and solutions.
  • Possess the knowledge in respective technical standards, principles, theories, concepts and techniques of mechanical design and fabrication.
  • Demonstrate competence in applying engineering and design fundamentals to the design and fabrication of complex mechanical components, mechanisms, and systems.
  • Possess general shop experience with metal cutting tools and sheet metal fabrication (e.g., mills, lathes, wire EDM, bending, water/laser cutting, etc.).
  • Design fixtures and tooling for part fabrication, inspection, and assembly.
  • Apply welding, non-destructive examination, and leak checking code references, symbols, and notes in accordance with AWS and/or ASME standards.
  • Define the acceptance criteria, inspections, and testing required to qualify equipment and components.
  • Perform technical evaluations to disposition non-conformances, respond to request for waivers/deviations, and support engineering change packages.
  • Conduct technical evaluations of custom and off-the-shelf components to identify attributes which are critical to performance.
  • Provide Design For Assembly (DFA) and Design For Manufacturability (DFM) reviews of designs to be fabricated.


Group/Project Coordination:

  • Support estimates, execution, and reporting of mechanical design and drafting activities to defined project schedules.
  • Integrate equipment into existing facilities, including interface control documents and coordinating tie-ins with facility engineering representatives.
  • Coordinate design reviews and design document transmittals.
  • Support the fabrication, installation, testing, readiness, and startup of custom designed equipment.
  • Promote a professional code of conduct and ethical behavior.
  • Demonstrate the ability to work in a project team environment and communicate well with other disciplines, customers, and stakeholders
  • Provide technical direction and trouble-shooting skills.
  • Perform peer-review of drawings generated by other designers.



  • Promote a strong security culture. This involves understanding how to produce design outputs in/with areas, computers, and communication channels which have multiple levels of security control.
  • Perform design scope on sensitive projects while maintaining excellent. communication with the classification office, derivative classifiers, reviewing officials, and high-risk property management.
  • Communicate the importance of protecting proprietary or sensitive information and complying with cybersecurity policies and guidelines.



  • Maintain configuration management of design outputs through Windchill PDM (project data management), to ensure revision control and change control activities/workflows.
  • Perform design activities in accordance with documented design procedures, processes instructions, and forms (e.g.: Design Control, Design Reviews, Drawing Preparation, Drafting Standards, and Change Control Procedures).

Job Requirements

Minimum Security Clearance:

Ability to Obtain Q


Required Qualifications:

  • Must possess an Associate degree in a technical field.
  • A minimum of 5 years' experience with CREO Parametric 3D CAD software.
  • A minimum of 5 years' experience in machine/equipment design.
  • Hours will be 06:00 - 16:30, Monday through Thursday on-site at Y-12 in Oak Ridge, TN.
  • Successful drug screening.
  • Must be eligible to obtain and maintain a security or clearance badge.


Preferred Qualifications:

  • 10 years plus of direct experience.
  • A degree from an ABET accredited Engineering program.
  • Active Q – Clearance Preferred.
  • Glovebox design experience.
    • American Glovebox Society standards of practice & guidelines experience.
  • Design experience with custom industrial equipment and process skids on government projects.


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