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Senior Scientific Software Engineer

Date: May 12, 2022

Location: Oak Ridge, TN, US, 37922

Company: Oak Ridge National Laboratory

Requisition Id 8247 




Oak Ridge National Laboratory (ORNL) is the United States Department of Energy's largest science and energy laboratory tasked to provide the United States government agencies and departments with technology and expertise to support national and homeland security needs. Our diverse capabilities span scientific and engineering disciplines, enabling the Laboratory to explore fundamental science challenges and to carry out the research needed to accelerate the delivery of solutions to the marketplace. We invite applications for the position of Senior Software Engineer within the Workflow Systems Group in the Data in the Artificial Intelligence Section in the Computer Science and Mathematics Division.


 Job Duties and Responsibilities:


  • Contribute to the development of one or more of ORNL software products developed and maintained by the Workflow Systems Group (ADIOS, MGARD, EFFIS, …).
  • Utilize well established software engineering principles to create and harden ORNLs software technologies.
  • Work closely with customers to meet their software requirements, address bugs, and achieve their scientific goals.


Basic Requirements:


  • A minimum of a BS Degree in computer science, or a related field.
  • 8+ years of experience in modern object-oriented programming languages including C++, Python, outside of degree.
  • Experience with parallel I/O.
  • Demonstrated software development experience in computational science, engineering, computer science, or applied math.
  • The ability to work on a team in a dynamic group environment as the team meets daily, practices Continuous Integration, collaborates on the source code and has regular deadlines.
  • Experience in parallel and/or distributed computing.
  • Strong programming skills in C/C++


Preferred Requirements:


  • MS and 7+ years of software engineering experience outside of the degree.
  • Experience working with scientific application teams.
  • Experience with software development methodologies, such as version control systems like Git and Subversion and knowledge of UML.
  • Excellent communication and writing skills
  • Prior experience developing or contributing to large, complex software systems.
  • Experience in large scale data management.
  • Activity within the broader open-source software community would be looked upon favorably, but is not required.
  • Regular presentations or tutorials at relevant conferences.
  • A track-record in developing detailed documentation in multiple formats


Benefits at ORNL:  


UT Battelle offers an exceptional benefits package to include matching 401K, Pension Plan, Paid Vacation and Medical / Dental plan. Onsite amenities include Credit Union, Medical Clinic and free Fitness facilities. 




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