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Technical Staff - Software Developer Nuclear Security Modeling

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Date: Apr 5, 2019

Location: Oak Ridge, TN, US, 37831

Company: Oak Ridge National Laboratory

Requisition Id 779 


The Nuclear Security Modeling (NSM) group within the Nuclear Nonproliferation Division (NND), Nuclear Security Sciences Directorate, Oak Ridge National Laboratory (ORNL), seeks highly motivated applicants for software development, with emphasis in the development of modeling and simulation software used for nuclear security applications.


Main Duties and Responsibilities


The successful candidate will be responsible for implementing and testing software enhancements across a suite of nuclear security modeling tools. Software will be written in, but not limited to: Fortran, C++, Java and Python. Development efforts include: meteorological dispersion, component integration, continuous integration, emergency response, health physics, testing and documentation. Additional responsibilities include the support of multiple platforms and operating systems such as Android, Windows, Mac and Linux, desktop, mobile and web; and general technical support for nuclear engineering staff and end users.


The selected candidate will be responsible for interacting with staff working on projects in a team environment. The candidate is expected to be able to work independently, participate in weekly development cycles and lead software development tasks, fully document work performed, and effectively interface with project managers and developers.




Candidates must have an MS or a BS and equivalent experience in computer science, computer engineering, meteorology, nuclear engineering, or a related field. Experience in or an understanding of software development cycles is desirable, but the skills for learning and interest in software development cycles is essential.


The candidate must have demonstrated problem-solving skills and a willingness to apply those skills to a variety of problems. Excellent communication skills including verbal, presentation and writing skills are required to enable effective interaction with technical peers and program managers.


This position requires the ability to obtain and maintain a clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program



Work Directions and Interfaces


The NSM group is an applied nuclear engineering group that utilizes its expertise in theory, modeling and experimentation to analyze the security implications in the production, processing, diversion and detonation of nuclear materials. The group's core area of expertise includes reactor physics and nuclear data; nuclear chemical engineering; nuclear safeguards and detection modeling; nuclear forensics and attribution; and nuclear weapons physics and fallout. The group has applied its expertise in applications such as the production of plutonium in reactors; spent fuel assay and verification; passive nuclear measurements modeling; active interrogation systems modeling; reactor physics measurements and modeling; and nuclear fallout modeling and analysis.


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.


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 (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.

If you have trouble applying for a position, please email

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.

Nearest Major Market: Knoxville