This job listing has expired and the position may no longer be open for hire.

Mechanical Fabrication / Systems Engineer at Oak Ridge National Laboratory

Posted in Other 30+ days ago.

This job brought to you by America's Job Exchange

Type: Full Time
Location: Oak Ridge, Tennessee

Job Description:

Requisition Id 1334
Relocation: Domestic and International Relocation Assistance is available for this position

The Systems Engineering (SE) group within the Research Reactors Division (RRD) is looking for a highly motivated individual to join the SE team. The primary responsibility of the SE group is to maintain the HFIR configuration management program, provide technical support to operations and maintenance, and perform systems analysis. This position will be responsible for the Mechanical Engineering role in the SE group which performs design engineering and supports manufacturing and fabrication of reactor core components, fuel elements, control rods and plates, etc. This position will also be responsible for maintaining overall cognizance of assigned HFIR structures, systems, and components (SSCs) and providing systems engineering support for operations and maintenance.

This person reports to the Mechanical Systems Engineering Team Lead and interacts regularly with personnel at all levels within the HFIR.

Major Duties and Responsibilities:

* Prepares engineering designs for new installations and for replacement and upgrade of HFIR structures, systems, and components (SSCs).
* Performs calculations and analyses to support design basis and requirements
* Applies relevant codes and standards, such as ASTM, ASME, AWS, GD&T, QS9000, ISO14001, etc.
* Supports development of reactor core components replacement plan.
* Prepares design specifications to define and determine acceptance criteria for component upgrades.
* Prepares material specifications and provides technical support in procurement of materials.
* Project leads fabrication, machining, and assembly of reactor core components, experiments, special tooling, etc. in accordance with HFIR specifications.
* Implements modifications in accordance with RRD configuration control processes.
* Prepares and maintains as-built documentation for assigned HFIR SSCs, including engineering drawings, specifications, system descriptions, relevant databases and labeling.
*Provides project management for installation of mechanical design changes.

* Troubleshoots and analyzes system and component failures and develops corrective actions.
* Provides written work package instructions to perform and document work.
* Provides field technical supports to maintenance engineers, craft supervisors and crafts.
* Develops and implements preventive and predictive maintenance work instructions.

* Performs operability assessments to determine equipment impact on HFIR operation.
* Assists in the investigation of reportable occurrences or operating events and in the preparation of associated reports and root cause determinations

* Analyzes and trends results of preventive and predictive maintenance data.
* Analyzes equipment performance history.
* Performs overall systems health evaluation in accordance with RRD's Systems Engineering and Reliability Programs, which involves the following:
- System Health Indicators
- Identification of new and status of existing equipment/component vulnerabilities
- HFIR 3-Year Planning Activities
- Identification of Spare Parts deficiencies and single point vulnerabilities
- Walk-Downs to Assess System Configuration and Material Condition
- Evaluation of surveillance test results

Physical requirements for this job may include frequent walking and walking for long distances. Other work environment requirements may include climbing of stairs, ducking, kneeling or crawling around equipment and facilities. Exposure to ionization radiation normally associated with operation of neutron scattering instruments for scientific research is also possible.

Basic Qualifications:
* Bachelor's degree in engineering with mechanical/fabrication emphasis
* 5 or more years of experience in mechanical / manufacturing engineering
* Excellent understanding of machining and fabrication practice including welding and joining techniques combined with a sound understanding of machine design.
* A strong understanding of reading and interpreting mechanical design drawings is required as well as understanding of GD&T principles from ANSI Y14.5.
* Ability to diagnose mechanical equipment problems and develop formal work package instructions for performance and documentation of repairs.
* Experience in project management, leading maintenance tasks, procedure development, procurement of materials and equipment analysis.
* Strong verbal and written communication skills, good interpersonal skills, and work well as a team member.
DOE Security Clearance: This position requires the candidate to have or be able to obtain a 'Q' clearance.
Preferred Qualifications:
* 8 or more years of experience in mechanical / manufacturing engineering
* Experience in operation and troubleshooting of CNC lathes, precision OD grinding, forging, welding, rolling mills, and heat treat processes.
* Knowledgeable in the fundamentals of powder metallurgy principles
* An understanding of basic principles of material behavior in nuclear reactors is desirable
* Familiarity with mechanical design and maintenance activities in a nuclear reactor operating environment.
* Familiarity with the regulatory programs which define the HFIR work environment, including DOE Orders pertaining to conduct of operation and maintenance, and understanding of OSHA requirements is a plus.
Additional Requirements of this job:
* This position is a Workplace Substance Abuse Program (WSAP) testing designated position which requires passing a pre-placement drug test and participation in an ongoing random drug testing program in which employees are subject to being randomly selected for testing and undergoing testing without advance notification. The occupant of this position will also be subject to an ongoing requirement to report any drug related arrest or conviction or receipt of a positive drug test result to the Company.

The Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (ORNL) operates the High Flux Isotope Reactor (HFIR), the United States' highest flux reactor based neutron source, and the Spallation Neutron Source (SNS), the world's most intense pulsed accelerator based neutron source. Together these facilities operate 30 instruments for neutron scattering research, each year carrying out in excess of 1,000 experiments in the physical, chemical, materials, biological and medical sciences. HFIR also provides unique facilities for isotope production and neutron irradiation.

To learn more about Neutron Sciences at ORNL, please go to this link:, and technical questions regarding the position should be sent to the following e-mail address: Dr. Ke An (

Benefits at ORNL: UT-Battelle offers a quality benefits package, including a matching 401(k), contributory pension plan, paid vacation, and medical/dental plan options. Onsite amenities include a credit union, medical clinic, cafeteria, coffee stands, and fitness facilities.

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.

For more information about our benefits, working here, and living here, visit the 'About' tab at

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.
We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.

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.